# Latest **URL:** https://forum.codecrafters.io/latest.md?page=1 [Latest](https://forum.codecrafters.io/latest.md) · [Categories](https://forum.codecrafters.io/categories.md) · [Tags](https://forum.codecrafters.io/tags.md) **Page:** 2 --- ## [\#lc6 Failing, not able to replicate the error locally](https://forum.codecrafters.io/t/lc6-failing-not-able-to-replicate-the-error-locally/16192)
**Author:** [@Gautam1608](https://forum.codecrafters.io/u/Gautam1608)\ **Replies:** 2\ **Last updated:** [July 2, 2026, 4:38am UTC](https://forum.codecrafters.io/t/lc6-failing-not-able-to-replicate-the-error-locally/16192 "2026-07-02T04:38:28Z")
I’m stuck on Stage #lc6 Latest Code: Gautam-Shell/app/main.py at main · Gautam1608/Gautam-Shell · GitHub Code Submit output: \[tester::#LC6\] Running tests for Stage #LC6 (Filename Completion - Directory completion) \[te… --- ## [\#GP4 failing, unsure why](https://forum.codecrafters.io/t/gp4-failing-unsure-why/16194)
**Author:** [@kylexd](https://forum.codecrafters.io/u/kylexd)\ **Replies:** 2\ **Last updated:** [July 2, 2026, 3:54am UTC](https://forum.codecrafters.io/t/gp4-failing-unsure-why/16194 "2026-07-02T03:54:05Z")
I’m stuck on Stage #GP4 I’ve tried capturing OS-specific home env vars in addition to user.home (which I expect should be all that is needed) and the home directory seems correct but the tests are failing. I think eith… --- ## [Working locally but failing submit #ue6](https://forum.codecrafters.io/t/working-locally-but-failing-submit-ue6/16188)
**Author:** [@Gautam1608](https://forum.codecrafters.io/u/Gautam1608)\ **Replies:** 3\ **Last updated:** [June 30, 2026, 6:50pm UTC](https://forum.codecrafters.io/t/working-locally-but-failing-submit-ue6/16188 "2026-06-30T18:50:57Z")
I’m stuck on Stage #ue6. Here are my logs: \[tester::#ZV2\] ✓ Prompt line matches "$ wc grape-" \[tester::#ZV2\] Pressed "\" (expecting autocomplete to "wc grape-90.txt" followed by a space) \[your-program\] $ wc grape-g… --- ## [ClaudeCode - Stage: Advertise the read tool: Runs locally, fails over server (API\_KEY error)](https://forum.codecrafters.io/t/claudecode-stage-advertise-the-read-tool-runs-locally-fails-over-server-api-key-error/16189)
**Author:** [@ronaldcumbal](https://forum.codecrafters.io/u/ronaldcumbal)\ **Replies:** 1\ **Last updated:** [June 30, 2026, 5:45pm UTC](https://forum.codecrafters.io/t/claudecode-stage-advertise-the-read-tool-runs-locally-fails-over-server-api-key-error/16189 "2026-06-30T17:45:11Z")
Hi, I can run this stage correctly in my local computer, but it fails the tests over the server. This is the error: \[your\_program\] Traceback (most recent call last): \[your\_program\] File “”, line 203, in \_run\_module\_… --- ## [Free challenge for the next month?](https://forum.codecrafters.io/t/free-challenge-for-the-next-month/16136)
**Author:** [@AmbientSagittarius](https://forum.codecrafters.io/u/AmbientSagittarius)\ **Replies:** 3\ **Last updated:** [June 30, 2026, 5:39pm UTC](https://forum.codecrafters.io/t/free-challenge-for-the-next-month/16136 "2026-06-30T17:39:27Z")
We’re 2 days away from entering Aug 2026. I’d like to know what the free challenge for the next month will be, I assume it’s been finalized. --- ## [Help needed for #PM5](https://forum.codecrafters.io/t/help-needed-for-pm5/16187)
**Author:** [@HadiSaleemi666](https://forum.codecrafters.io/u/HadiSaleemi666)\ **Replies:** 5\ **Last updated:** [June 29, 2026, 8:16pm UTC](https://forum.codecrafters.io/t/help-needed-for-pm5/16187 "2026-06-29T20:16:24Z")
So I figured out a lot of problems on this stage and attempted a lot of fixes. This specific error, though, I am not quite sure how to fix or what to do about it. import sys, os, subprocess, shlex, readline redirect… --- ## [Improve error message for test #EC3](https://forum.codecrafters.io/t/improve-error-message-for-test-ec3/16185)
**Author:** [@hedgehog-359](https://forum.codecrafters.io/u/hedgehog-359)\ **Replies:** 2\ **Last updated:** [June 28, 2026, 6:11pm UTC](https://forum.codecrafters.io/t/improve-error-message-for-test-ec3/16185 "2026-06-28T18:11:01Z")
I have a suggestion on Stage #EC3 (stage passed). This took me some time to debug despite being a simple issue. I’ve tried .. (see below). Here are my logs: \[tester::#EC3\] Running tests for Stage #EC3 (Lists - Blockin… --- ## [\#QP2 submission failing because of a #UN3 failure](https://forum.codecrafters.io/t/qp2-submission-failing-because-of-a-un3-failure/16186)
**Author:** [@aniketpt](https://forum.codecrafters.io/u/aniketpt)\ **Replies:** 5\ **Last updated:** [June 28, 2026, 5:42pm UTC](https://forum.codecrafters.io/t/qp2-submission-failing-because-of-a-un3-failure/16186 "2026-06-28T17:42:29Z")
When I submitted my solution for stage #QP2, it passed the tests for the target stage, but failed for stage #UN3 (a stage from previous section). My code already passed that stage, so I am trying to understand why its fa… --- ## [Help needed for #YT5](https://forum.codecrafters.io/t/help-needed-for-yt5/16182)
**Author:** [@HadiSaleemi666](https://forum.codecrafters.io/u/HadiSaleemi666)\ **Replies:** 3\ **Last updated:** [June 26, 2026, 5:26pm UTC](https://forum.codecrafters.io/t/help-needed-for-yt5/16182 "2026-06-26T17:26:03Z")
I’m stuck on Stage #YT5 and it feels like its because of bad programming practices. ive been sitting here for I think around 8 hours straight, probably more tryna figure out what to do. I’ve tried two distinct approache… --- ## [Test not registering prompt on build your own shell in golang](https://forum.codecrafters.io/t/test-not-registering-prompt-on-build-your-own-shell-in-golang/16181)
**Author:** [@hamza-m-masood](https://forum.codecrafters.io/u/hamza-m-masood)\ **Replies:** 4\ **Last updated:** [June 24, 2026, 4:55pm UTC](https://forum.codecrafters.io/t/test-not-registering-prompt-on-build-your-own-shell-in-golang/16181 "2026-06-24T16:55:24Z")
I’m stuck on Stage #QP2 As you can see by running the same code, the prompt correctly appears. But for some reason the test fails to recognize the prompt. Are the tests open source? Can I view the code on how the test … --- ## [Question regarding #MG5](https://forum.codecrafters.io/t/question-regarding-mg5/16176)
**Author:** [@HadiSaleemi666](https://forum.codecrafters.io/u/HadiSaleemi666)\ **Replies:** 2\ **Last updated:** [June 24, 2026, 4:37am UTC](https://forum.codecrafters.io/t/question-regarding-mg5/16176 "2026-06-24T04:37:36Z")
Hello, hope everyone’s doing well. I have a question regarding #MG5. I’m currently working on a windows device and I realized after testing that the code requires the answer to be in a posix format? because when I attemp… --- ## [Rust 1.96 is now available!](https://forum.codecrafters.io/t/rust-1-96-is-now-available/16179)
**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\ **Replies:** 0\ **Last updated:** [June 23, 2026, 9:53pm UTC](https://forum.codecrafters.io/t/rust-1-96-is-now-available/16179 "2026-06-23T21:53:15Z")
Hey everyone! The default Rust version has been updated across all supported challenges. Previously running on v1.95, we’ve now upgraded to v1.96. To use the latest version, be sure to update the buildpack version in … --- ## [Potentially incorrect tests](https://forum.codecrafters.io/t/potentially-incorrect-tests/16175)
**Author:** [@hamza-m-masood](https://forum.codecrafters.io/u/hamza-m-masood)\ **Replies:** 2\ **Last updated:** [June 22, 2026, 3:41pm UTC](https://forum.codecrafters.io/t/potentially-incorrect-tests/16175 "2026-06-22T15:41:29Z")
I’m stuck on Stage #JV1 I’ve tried to correct my program but I’m pretty sure my cat command is working as expected. I can cat a file correctly, and I can also cat a file to redirect to another file. I can then cat the f… --- ## [I'm Stuck on #MG5 of the Shell Building project](https://forum.codecrafters.io/t/im-stuck-on-mg5-of-the-shell-building-project/16174)
**Author:** [@Jishnu-Ray](https://forum.codecrafters.io/u/Jishnu-Ray)\ **Replies:** 2\ **Last updated:** [June 21, 2026, 6:06pm UTC](https://forum.codecrafters.io/t/im-stuck-on-mg5-of-the-shell-building-project/16174 "2026-06-21T18:06:27Z")
I’m stuck on Stage #MG5. I have done everything write I think but the test script tests for cat tool in “/usr/bin/” directory which is not possible since I’m on Windows. Is it not possible to pass this in Windows? Ple… --- ## [C++ Build a shell runs locally but fails when using codecrafters submit](https://forum.codecrafters.io/t/c-build-a-shell-runs-locally-but-fails-when-using-codecrafters-submit/16171)
**Author:** [@Edt12](https://forum.codecrafters.io/u/Edt12)\ **Replies:** 2\ **Last updated:** [June 19, 2026, 10:23am UTC](https://forum.codecrafters.io/t/c-build-a-shell-runs-locally-but-fails-when-using-codecrafters-submit/16171 "2026-06-19T10:23:16Z")
Hi I am on stage 8 type command of the c++ shell challenge I have a working solution on my machine however when i do codecrafters submit i get the following error. \[compile\] Compilation successful. Debug = true \[tester… --- ## [Bug report on tester for #FY4: incorrect logic passed the test](https://forum.codecrafters.io/t/bug-report-on-tester-for-fy4-incorrect-logic-passed-the-test/16165)
**Author:** [@skuong](https://forum.codecrafters.io/u/skuong)\ **Replies:** 4\ **Last updated:** [June 19, 2026, 7:52am UTC](https://forum.codecrafters.io/t/bug-report-on-tester-for-fy4-incorrect-logic-passed-the-test/16165 "2026-06-19T07:52:30Z")
After I done #BV8, I passed #FY4 automatically even though my logic isn’t correct for #FY4. Based on the instruction on #FY4, my implementation is wrong but the test doesn’t handle it. Here is the instruction: For exa… --- ## [Swift language support](https://forum.codecrafters.io/t/swift-language-support/2044)
**Author:** [@JWShroyer](https://forum.codecrafters.io/u/JWShroyer)\ **Replies:** 27\ **Last updated:** [June 15, 2026, 1:16am UTC](https://forum.codecrafters.io/t/swift-language-support/2044 "2026-06-15T01:16:04Z")
Hello :wave: I recently stumbled upon the CodeCrafters platform and have really enjoyed my time with it so far - really fun and engaging way to learn interesting technologies! I’ve got an extensive background in Swift … --- ## [My program failed and the tester's error message is not clear. Quite confusing considering information available in the instruction](https://forum.codecrafters.io/t/my-program-failed-and-the-testers-error-message-is-not-clear-quite-confusing-considering-information-available-in-the-instruction/16164)
**Author:** [@skuong](https://forum.codecrafters.io/u/skuong)\ **Replies:** 2\ **Last updated:** [June 12, 2026, 6:26am UTC](https://forum.codecrafters.io/t/my-program-failed-and-the-testers-error-message-is-not-clear-quite-confusing-considering-information-available-in-the-instruction/16164 "2026-06-12T06:26:08Z")
I’m stuck on Stage #EP2. I’ve tried testing locally with this registered specification script: #!/usr/bin/env python3 print("add") print("commit") print("branch") print("cat-file") print("remote") print("rebase") pri… --- ## [We're pausing new challenges](https://forum.codecrafters.io/t/were-pausing-new-challenges/16129)
**Author:** [@rohitpaulk](https://forum.codecrafters.io/u/rohitpaulk)\ **Replies:** 15\ **Last updated:** [June 6, 2026, 4:00pm UTC](https://forum.codecrafters.io/t/were-pausing-new-challenges/16129 "2026-06-06T16:00:31Z")
Sad news today. All existing members should’ve received an email, full write-up here: Would like to re-iterate that nothing much changes for the existing platform, we’re going to remove the roadmap page but otherwise … --- ## [Remote build and run fails with executable not found](https://forum.codecrafters.io/t/remote-build-and-run-fails-with-executable-not-found/16161)
**Author:** [@OFYA61](https://forum.codecrafters.io/u/OFYA61)\ **Replies:** 1\ **Last updated:** [June 6, 2026, 11:36am UTC](https://forum.codecrafters.io/t/remote-build-and-run-fails-with-executable-not-found/16161 "2026-06-06T11:36:47Z")
I’m currently trying to submit my code but I keep on getting the following error \[your-program\] /app/your\_program.sh: 11: exec: /tmp/codecrafters-build-shell-rust/release/codecrafters-shell: not found This is telling m… --- ## [Can't proceed with Tests due to tester using wrong path?](https://forum.codecrafters.io/t/cant-proceed-with-tests-due-to-tester-using-wrong-path/16160)
**Author:** [@Bekobii](https://forum.codecrafters.io/u/Bekobii)\ **Replies:** 4\ **Last updated:** [June 5, 2026, 9:56pm UTC](https://forum.codecrafters.io/t/cant-proceed-with-tests-due-to-tester-using-wrong-path/16160 "2026-06-05T21:56:27Z")
I’m stuck on Stage #IP1 It always gives me following error: \[tester::#IP1\] Expected: “Arg #0 (program name): custom\_exe\_1165” \[tester::#IP1\] Received: “Arg #0 (program name): /tmp/dog/custom\_exe\_1165” This seems to n… --- ## [Running previous testcases before current testcase](https://forum.codecrafters.io/t/running-previous-testcases-before-current-testcase/16156)
**Author:** [@uday19pratap](https://forum.codecrafters.io/u/uday19pratap)\ **Replies:** 2\ **Last updated:** [June 4, 2026, 10:21pm UTC](https://forum.codecrafters.io/t/running-previous-testcases-before-current-testcase/16156 "2026-06-04T22:21:23Z")
I re-factored some of my code and wanted to run the entire unit-test suite (except the tests related to the latest/current sub-challenge). How can I do that? If I do “codecrafters submit”, then it runs the latest unit-t… --- ## [I believe that i am hitting rate limits](https://forum.codecrafters.io/t/i-believe-that-i-am-hitting-rate-limits/16158)
**Author:** [@arjav0703](https://forum.codecrafters.io/u/arjav0703)\ **Replies:** 3\ **Last updated:** [June 4, 2026, 5:52pm UTC](https://forum.codecrafters.io/t/i-believe-that-i-am-hitting-rate-limits/16158 "2026-06-04T17:52:49Z")
I’m stuck on Stage #FF2 I’ve tried getting my own openrouter api keys and testing with it (it works fine that way) Here are my logs: \[your\_program\] entering loop with messages: \[ \[your\_program\] { \[your\_program\] … --- ## [Hitting PermissionError: \[Errno 1\] Operation not permitted](https://forum.codecrafters.io/t/hitting-permissionerror-errno-1-operation-not-permitted/16153)
**Author:** [@hseelawi](https://forum.codecrafters.io/u/hseelawi)\ **Replies:** 2\ **Last updated:** [June 4, 2026, 12:05pm UTC](https://forum.codecrafters.io/t/hitting-permissionerror-errno-1-operation-not-permitted/16153 "2026-06-04T12:05:26Z")
I think the turbo runner is not running the docker container with –cap-add=SYS\_ADMINbecause I am Hitting PermissionError: \[Errno 1\] Operation not permitted. When I comment out my solution, I get a pid value that is not 1.… --- ## [Challenge: shell : pwd command working fine on my local compiled but failing due to command not found due to path for the pwd binary might not be found](https://forum.codecrafters.io/t/challenge-shell-pwd-command-working-fine-on-my-local-compiled-but-failing-due-to-command-not-found-due-to-path-for-the-pwd-binary-might-not-be-found/16143)
**Author:** [@quantumbit1](https://forum.codecrafters.io/u/quantumbit1)\ **Replies:** 2\ **Last updated:** [June 1, 2026, 12:46pm UTC](https://forum.codecrafters.io/t/challenge-shell-pwd-command-working-fine-on-my-local-compiled-but-failing-due-to-command-not-found-due-to-path-for-the-pwd-binary-might-not-be-found/16143 "2026-06-01T12:46:59Z")
tried pwd command on my local WSL environment and it is working correctly but when submitted to codecrafters it says that the command is not found. Suspecting if the path is available or not on the station wherever it ch… --- ## [URL in progress-banner points to bot profile, not mine](https://forum.codecrafters.io/t/url-in-progress-banner-points-to-bot-profile-not-mine/15669)
**Author:** [@natalka1122](https://forum.codecrafters.io/u/natalka1122)\ **Replies:** 2\ **Last updated:** [May 31, 2026, 7:25pm UTC](https://forum.codecrafters.io/t/url-in-progress-banner-points-to-bot-profile-not-mine/15669 "2026-05-31T19:25:49Z")
In the root of every challenge lies README.md file with a status for this challenge. The picture shows my status, but when click on it, it opens profile of “codecrafters-bot”. It does not make any sense, it should open … --- ## [\#BF7 Bittorrent challenge: torrent not found](https://forum.codecrafters.io/t/bf7-bittorrent-challenge-torrent-not-found/15692)
**Author:** [@natalka1122](https://forum.codecrafters.io/u/natalka1122)\ **Replies:** 2\ **Last updated:** [May 31, 2026, 6:11pm UTC](https://forum.codecrafters.io/t/bf7-bittorrent-challenge-torrent-not-found/15692 "2026-05-31T18:11:29Z")
It looks like test torrent is gone from the anouncer. For my request it answers Dict({'failure reason': String(b'torrent not found')}) It started a few hours ago. I passed this stage days ago, but now codecrafters tes… --- ## [\[Shell\] How to pass the first stage? pls help](https://forum.codecrafters.io/t/shell-how-to-pass-the-first-stage-pls-help/16138)
**Author:** [@javier-is-coding](https://forum.codecrafters.io/u/javier-is-coding)\ **Replies:** 1\ **Last updated:** [May 30, 2026, 8:49am UTC](https://forum.codecrafters.io/t/shell-how-to-pass-the-first-stage-pls-help/16138 "2026-05-30T08:49:17Z")
Checklist: :white\_check\_mark: or :cross\_mark:: I’ve uncommented the code. :white\_check\_mark: or :cross\_mark:: I’ve saved the changes. :white\_check\_mark: or :cross\_mark:: I’ve run the git commands: git commit -am "\[see… --- ## [Command processing #YG4 - Sporadic test results](https://forum.codecrafters.io/t/command-processing-yg4-sporadic-test-results/16117)
**Author:** [@yinkam](https://forum.codecrafters.io/u/yinkam)\ **Replies:** 4\ **Last updated:** [May 27, 2026, 11:58am UTC](https://forum.codecrafters.io/t/command-processing-yg4-sporadic-test-results/16117 "2026-05-27T11:58:13Z")
I completed the command processing #YG4, but during testing, I get sporadic test pass/failures. Sometimes it’s a "connection refused "error, other times a “no content received” error on a GET key request. All tests pass… --- ## [\[C\] Build your own shell - Stage #QP2](https://forum.codecrafters.io/t/c-build-your-own-shell-stage-qp2/15689)
**Author:** [@retop56](https://forum.codecrafters.io/u/retop56)\ **Replies:** 3\ **Last updated:** [May 25, 2026, 8:25am UTC](https://forum.codecrafters.io/t/c-build-your-own-shell-stage-qp2/15689 "2026-05-25T08:25:52Z")
Link to GitHub repo Cannot get program to compile for this stage. \[compile\] app/main.c:5:10: fatal error: readline/readline.h: No such file or directory \[compile\] #include \ \[compile\] ^~~… [Previous page](https://forum.codecrafters.io/latest.md) [Next page](https://forum.codecrafters.io/latest.md?page=2)