[INFO] cloning repository https://github.com/whjthu/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whjthu/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 644e6f73cf35b240be03f5b7781b3ec7474dec55
[INFO] testing whjthu/rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  32% (3094/9412)
Updating files:  33% (3106/9412)
Updating files:  34% (3201/9412)
Updating files:  35% (3295/9412)
Updating files:  36% (3389/9412)
Updating files:  37% (3483/9412)
Updating files:  38% (3577/9412)
Updating files:  39% (3671/9412)
Updating files:  40% (3765/9412)
Updating files:  41% (3859/9412)
Updating files:  41% (3950/9412)
Updating files:  42% (3954/9412)
Updating files:  43% (4048/9412)
Updating files:  44% (4142/9412)
Updating files:  45% (4236/9412)
Updating files:  46% (4330/9412)
Updating files:  47% (4424/9412)
Updating files:  48% (4518/9412)
Updating files:  49% (4612/9412)
Updating files:  50% (4706/9412)
Updating files:  51% (4801/9412)
Updating files:  52% (4895/9412)
Updating files:  53% (4989/9412)
Updating files:  54% (5083/9412)
Updating files:  55% (5177/9412)
Updating files:  56% (5271/9412)
Updating files:  57% (5365/9412)
Updating files:  58% (5459/9412)
Updating files:  59% (5554/9412)
Updating files:  60% (5648/9412)
Updating files:  61% (5742/9412)
Updating files:  62% (5836/9412)
Updating files:  63% (5930/9412)
Updating files:  64% (6024/9412)
Updating files:  65% (6118/9412)
Updating files:  66% (6212/9412)
Updating files:  67% (6307/9412)
Updating files:  68% (6401/9412)
Updating files:  69% (6495/9412)
Updating files:  70% (6589/9412)
Updating files:  70% (6628/9412)
Updating files:  71% (6683/9412)
Updating files:  72% (6777/9412)
Updating files:  73% (6871/9412)
Updating files:  74% (6965/9412)
Updating files:  75% (7059/9412)
Updating files:  76% (7154/9412)
Updating files:  77% (7248/9412)
Updating files:  78% (7342/9412)
Updating files:  79% (7436/9412)
Updating files:  80% (7530/9412)
Updating files:  81% (7624/9412)
Updating files:  82% (7718/9412)
Updating files:  83% (7812/9412)
Updating files:  84% (7907/9412)
Updating files:  85% (8001/9412)
Updating files:  86% (8095/9412)
Updating files:  87% (8189/9412)
Updating files:  88% (8283/9412)
Updating files:  89% (8377/9412)
Updating files:  90% (8471/9412)
Updating files:  91% (8565/9412)
Updating files:  92% (8660/9412)
Updating files:  93% (8754/9412)
Updating files:  94% (8848/9412)
Updating files:  95% (8942/9412)
Updating files:  96% (9036/9412)
Updating files:  97% (9130/9412)
Updating files:  98% (9224/9412)
Updating files:  98% (9263/9412)
Updating files:  99% (9318/9412)
Updating files: 100% (9412/9412)
Updating files: 100% (9412/9412), done.
[INFO] started tweaking git repo https://github.com/whjthu/rustlings
[INFO] finished tweaking git repo https://github.com/whjthu/rustlings
[INFO] tweaked toml for git repo https://github.com/whjthu/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whjthu/rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whjthu/rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing whjthu/rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  32% (3103/9412)
Updating files:  33% (3106/9412)
Updating files:  34% (3201/9412)
Updating files:  35% (3295/9412)
Updating files:  36% (3389/9412)
Updating files:  37% (3483/9412)
Updating files:  38% (3577/9412)
Updating files:  39% (3671/9412)
Updating files:  40% (3765/9412)
Updating files:  41% (3859/9412)
Updating files:  42% (3954/9412)
Updating files:  42% (3961/9412)
Updating files:  43% (4048/9412)
Updating files:  44% (4142/9412)
Updating files:  45% (4236/9412)
Updating files:  46% (4330/9412)
Updating files:  47% (4424/9412)
Updating files:  48% (4518/9412)
Updating files:  49% (4612/9412)
Updating files:  50% (4706/9412)
Updating files:  51% (4801/9412)
Updating files:  52% (4895/9412)
Updating files:  53% (4989/9412)
Updating files:  54% (5083/9412)
Updating files:  55% (5177/9412)
Updating files:  56% (5271/9412)
Updating files:  57% (5365/9412)
Updating files:  58% (5459/9412)
Updating files:  59% (5554/9412)
Updating files:  60% (5648/9412)
Updating files:  61% (5742/9412)
Updating files:  62% (5836/9412)
Updating files:  63% (5930/9412)
Updating files:  64% (6024/9412)
Updating files:  65% (6118/9412)
Updating files:  66% (6212/9412)
Updating files:  67% (6307/9412)
Updating files:  68% (6401/9412)
Updating files:  69% (6495/9412)
Updating files:  70% (6589/9412)
Updating files:  71% (6683/9412)
Updating files:  72% (6777/9412)
Updating files:  72% (6869/9412)
Updating files:  73% (6871/9412)
Updating files:  74% (6965/9412)
Updating files:  75% (7059/9412)
Updating files:  76% (7154/9412)
Updating files:  77% (7248/9412)
Updating files:  78% (7342/9412)
Updating files:  79% (7436/9412)
Updating files:  80% (7530/9412)
Updating files:  81% (7624/9412)
Updating files:  82% (7718/9412)
Updating files:  83% (7812/9412)
Updating files:  84% (7907/9412)
Updating files:  85% (8001/9412)
Updating files:  86% (8095/9412)
Updating files:  87% (8189/9412)
Updating files:  88% (8283/9412)
Updating files:  89% (8377/9412)
Updating files:  90% (8471/9412)
Updating files:  91% (8565/9412)
Updating files:  92% (8660/9412)
Updating files:  93% (8754/9412)
Updating files:  94% (8848/9412)
Updating files:  95% (8942/9412)
Updating files:  96% (9036/9412)
Updating files:  97% (9130/9412)
Updating files:  97% (9195/9412)
Updating files:  98% (9224/9412)
Updating files:  99% (9318/9412)
Updating files: 100% (9412/9412)
Updating files: 100% (9412/9412), done.
[INFO] started tweaking git repo https://github.com/whjthu/rustlings
[INFO] finished tweaking git repo https://github.com/whjthu/rustlings
[INFO] tweaked toml for git repo https://github.com/whjthu/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whjthu/rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whjthu/rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing whjthu/rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  33% (3109/9412)
Updating files:  34% (3201/9412)
Updating files:  35% (3295/9412)
Updating files:  36% (3389/9412)
Updating files:  37% (3483/9412)
Updating files:  38% (3577/9412)
Updating files:  39% (3671/9412)
Updating files:  40% (3765/9412)
Updating files:  41% (3859/9412)
Updating files:  42% (3954/9412)
Updating files:  42% (3978/9412)
Updating files:  43% (4048/9412)
Updating files:  44% (4142/9412)
Updating files:  45% (4236/9412)
Updating files:  46% (4330/9412)
Updating files:  47% (4424/9412)
Updating files:  48% (4518/9412)
Updating files:  49% (4612/9412)
Updating files:  50% (4706/9412)
Updating files:  51% (4801/9412)
Updating files:  52% (4895/9412)
Updating files:  53% (4989/9412)
Updating files:  54% (5083/9412)
Updating files:  55% (5177/9412)
Updating files:  56% (5271/9412)
Updating files:  57% (5365/9412)
Updating files:  58% (5459/9412)
Updating files:  59% (5554/9412)
Updating files:  60% (5648/9412)
Updating files:  61% (5742/9412)
Updating files:  62% (5836/9412)
Updating files:  63% (5930/9412)
Updating files:  64% (6024/9412)
Updating files:  65% (6118/9412)
Updating files:  66% (6212/9412)
Updating files:  67% (6307/9412)
Updating files:  68% (6401/9412)
Updating files:  69% (6495/9412)
Updating files:  70% (6589/9412)
Updating files:  71% (6683/9412)
Updating files:  72% (6777/9412)
Updating files:  73% (6871/9412)
Updating files:  74% (6965/9412)
Updating files:  75% (7059/9412)
Updating files:  76% (7154/9412)
Updating files:  77% (7248/9412)
Updating files:  77% (7320/9412)
Updating files:  78% (7342/9412)
Updating files:  79% (7436/9412)
Updating files:  80% (7530/9412)
Updating files:  81% (7624/9412)
Updating files:  82% (7718/9412)
Updating files:  83% (7812/9412)
Updating files:  84% (7907/9412)
Updating files:  85% (8001/9412)
Updating files:  86% (8095/9412)
Updating files:  87% (8189/9412)
Updating files:  88% (8283/9412)
Updating files:  89% (8377/9412)
Updating files:  90% (8471/9412)
Updating files:  91% (8565/9412)
Updating files:  92% (8660/9412)
Updating files:  93% (8754/9412)
Updating files:  94% (8848/9412)
Updating files:  95% (8942/9412)
Updating files:  96% (9036/9412)
Updating files:  97% (9130/9412)
Updating files:  98% (9224/9412)
Updating files:  99% (9318/9412)
Updating files: 100% (9412/9412)
Updating files: 100% (9412/9412), done.
[INFO] started tweaking git repo https://github.com/whjthu/rustlings
[INFO] finished tweaking git repo https://github.com/whjthu/rustlings
[INFO] tweaked toml for git repo https://github.com/whjthu/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whjthu/rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whjthu/rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing whjthu/rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  33% (3107/9412)
Updating files:  34% (3201/9412)
Updating files:  35% (3295/9412)
Updating files:  36% (3389/9412)
Updating files:  37% (3483/9412)
Updating files:  38% (3577/9412)
Updating files:  39% (3671/9412)
Updating files:  40% (3765/9412)
Updating files:  41% (3859/9412)
Updating files:  42% (3954/9412)
Updating files:  42% (3971/9412)
Updating files:  43% (4048/9412)
Updating files:  44% (4142/9412)
Updating files:  45% (4236/9412)
Updating files:  46% (4330/9412)
Updating files:  47% (4424/9412)
Updating files:  48% (4518/9412)
Updating files:  49% (4612/9412)
Updating files:  50% (4706/9412)
Updating files:  51% (4801/9412)
Updating files:  52% (4895/9412)
Updating files:  53% (4989/9412)
Updating files:  54% (5083/9412)
Updating files:  55% (5177/9412)
Updating files:  56% (5271/9412)
Updating files:  57% (5365/9412)
Updating files:  58% (5459/9412)
Updating files:  59% (5554/9412)
Updating files:  60% (5648/9412)
Updating files:  61% (5742/9412)
Updating files:  62% (5836/9412)
Updating files:  63% (5930/9412)
Updating files:  64% (6024/9412)
Updating files:  65% (6118/9412)
Updating files:  66% (6212/9412)
Updating files:  67% (6307/9412)
Updating files:  68% (6401/9412)
Updating files:  69% (6495/9412)
Updating files:  70% (6589/9412)
Updating files:  71% (6683/9412)
Updating files:  72% (6777/9412)
Updating files:  73% (6871/9412)
Updating files:  74% (6965/9412)
Updating files:  74% (7007/9412)
Updating files:  75% (7059/9412)
Updating files:  76% (7154/9412)
Updating files:  77% (7248/9412)
Updating files:  78% (7342/9412)
Updating files:  79% (7436/9412)
Updating files:  80% (7530/9412)
Updating files:  81% (7624/9412)
Updating files:  82% (7718/9412)
Updating files:  83% (7812/9412)
Updating files:  84% (7907/9412)
Updating files:  85% (8001/9412)
Updating files:  86% (8095/9412)
Updating files:  87% (8189/9412)
Updating files:  88% (8283/9412)
Updating files:  89% (8377/9412)
Updating files:  90% (8471/9412)
Updating files:  91% (8565/9412)
Updating files:  92% (8660/9412)
Updating files:  93% (8754/9412)
Updating files:  94% (8848/9412)
Updating files:  95% (8942/9412)
Updating files:  96% (9036/9412)
Updating files:  97% (9130/9412)
Updating files:  98% (9224/9412)
Updating files:  99% (9318/9412)
Updating files: 100% (9412/9412)
Updating files: 100% (9412/9412), done.
[INFO] started tweaking git repo https://github.com/whjthu/rustlings
[INFO] finished tweaking git repo https://github.com/whjthu/rustlings
[INFO] tweaked toml for git repo https://github.com/whjthu/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whjthu/rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whjthu/rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing whjthu/rustlings against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhjthu%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  32% (3103/9412)
Updating files:  33% (3106/9412)
Updating files:  34% (3201/9412)
Updating files:  35% (3295/9412)
Updating files:  36% (3389/9412)
Updating files:  37% (3483/9412)
Updating files:  38% (3577/9412)
Updating files:  39% (3671/9412)
Updating files:  40% (3765/9412)
Updating files:  41% (3859/9412)
Updating files:  42% (3954/9412)
Updating files:  42% (3982/9412)
Updating files:  43% (4048/9412)
Updating files:  44% (4142/9412)
Updating files:  45% (4236/9412)
Updating files:  46% (4330/9412)
Updating files:  47% (4424/9412)
Updating files:  48% (4518/9412)
Updating files:  49% (4612/9412)
Updating files:  50% (4706/9412)
Updating files:  51% (4801/9412)
Updating files:  52% (4895/9412)
Updating files:  53% (4989/9412)
Updating files:  54% (5083/9412)
Updating files:  55% (5177/9412)
Updating files:  56% (5271/9412)
Updating files:  57% (5365/9412)
Updating files:  58% (5459/9412)
Updating files:  59% (5554/9412)
Updating files:  60% (5648/9412)
Updating files:  61% (5742/9412)
Updating files:  62% (5836/9412)
Updating files:  63% (5930/9412)
Updating files:  64% (6024/9412)
Updating files:  65% (6118/9412)
Updating files:  66% (6212/9412)
Updating files:  67% (6307/9412)
Updating files:  68% (6401/9412)
Updating files:  69% (6495/9412)
Updating files:  70% (6589/9412)
Updating files:  71% (6683/9412)
Updating files:  72% (6777/9412)
Updating files:  73% (6871/9412)
Updating files:  74% (6965/9412)
Updating files:  75% (7059/9412)
Updating files:  76% (7154/9412)
Updating files:  77% (7248/9412)
Updating files:  78% (7342/9412)
Updating files:  79% (7436/9412)
Updating files:  80% (7530/9412)
Updating files:  81% (7624/9412)
Updating files:  81% (7673/9412)
Updating files:  82% (7718/9412)
Updating files:  83% (7812/9412)
Updating files:  84% (7907/9412)
Updating files:  85% (8001/9412)
Updating files:  86% (8095/9412)
Updating files:  87% (8189/9412)
Updating files:  88% (8283/9412)
Updating files:  89% (8377/9412)
Updating files:  90% (8471/9412)
Updating files:  91% (8565/9412)
Updating files:  92% (8660/9412)
Updating files:  93% (8754/9412)
Updating files:  94% (8848/9412)
Updating files:  95% (8942/9412)
Updating files:  96% (9036/9412)
Updating files:  97% (9130/9412)
Updating files:  98% (9224/9412)
Updating files:  99% (9318/9412)
Updating files: 100% (9412/9412)
Updating files: 100% (9412/9412), done.
[INFO] started tweaking git repo https://github.com/whjthu/rustlings
[INFO] finished tweaking git repo https://github.com/whjthu/rustlings
[INFO] tweaked toml for git repo https://github.com/whjthu/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/whjthu/rustlings on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/whjthu/rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds