[INFO] cloning repository https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayxue%2FAdd1ToNMultiThreadMutexLockRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayxue%2FAdd1ToNMultiThreadMutexLockRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43f76bd8f003f64ee84136273e12c49f3ed71774
[INFO] testing Kayxue/Add1ToNMultiThreadMutexLockRust against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayxue%2FAdd1ToNMultiThreadMutexLockRust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust
[INFO] finished tweaking git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust
[INFO] tweaked toml for git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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 Kayxue/Add1ToNMultiThreadMutexLockRust against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKayxue%2FAdd1ToNMultiThreadMutexLockRust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust
[INFO] finished tweaking git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust
[INFO] tweaked toml for git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kayxue/Add1ToNMultiThreadMutexLockRust 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd995a9996456f39398a2ac80811a85ca3dea65613d7892aff1eec1a5ff0acd
[INFO] running `Command { std: "docker" "start" "-a" "2dd995a9996456f39398a2ac80811a85ca3dea65613d7892aff1eec1a5ff0acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd995a9996456f39398a2ac80811a85ca3dea65613d7892aff1eec1a5ff0acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd995a9996456f39398a2ac80811a85ca3dea65613d7892aff1eec1a5ff0acd", kill_on_drop: false }`
[INFO] [stdout] 2dd995a9996456f39398a2ac80811a85ca3dea65613d7892aff1eec1a5ff0acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0004a33f35917e984bacf5f7920548ea3630569be172697958f9da5ef4a0563c
[INFO] running `Command { std: "docker" "start" "-a" "0004a33f35917e984bacf5f7920548ea3630569be172697958f9da5ef4a0563c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ProgrammingLanguageHW4V2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `startFrom` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let startFrom = (i - 1) * (n / x) + 1;
[INFO] [stdout]    |                 ^^^^^^^^^ help: convert the identifier to snake case: `start_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "0004a33f35917e984bacf5f7920548ea3630569be172697958f9da5ef4a0563c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0004a33f35917e984bacf5f7920548ea3630569be172697958f9da5ef4a0563c", kill_on_drop: false }`
[INFO] [stdout] 0004a33f35917e984bacf5f7920548ea3630569be172697958f9da5ef4a0563c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cdfe6f8668d94f8fb61629122c12e0de394480421008ea1df44196887a6e9d5
[INFO] running `Command { std: "docker" "start" "-a" "7cdfe6f8668d94f8fb61629122c12e0de394480421008ea1df44196887a6e9d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ProgrammingLanguageHW4V2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `startFrom` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let startFrom = (i - 1) * (n / x) + 1;
[INFO] [stdout]    |                 ^^^^^^^^^ help: convert the identifier to snake case: `start_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "7cdfe6f8668d94f8fb61629122c12e0de394480421008ea1df44196887a6e9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdfe6f8668d94f8fb61629122c12e0de394480421008ea1df44196887a6e9d5", kill_on_drop: false }`
[INFO] [stdout] 7cdfe6f8668d94f8fb61629122c12e0de394480421008ea1df44196887a6e9d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4aec0d52b970fcf4df7b598520e6be3a3ac8d5ea067bd035110ad8d58cb17d97
[INFO] running `Command { std: "docker" "start" "-a" "4aec0d52b970fcf4df7b598520e6be3a3ac8d5ea067bd035110ad8d58cb17d97", kill_on_drop: false }`
[INFO] [stderr] warning: variable `startFrom` should have a snake case name
[INFO] [stderr]   --> src/main.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let startFrom = (i - 1) * (n / x) + 1;
[INFO] [stderr]    |                 ^^^^^^^^^ help: convert the identifier to snake case: `start_from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ProgrammingLanguageHW4V2` (bin "ProgrammingLanguageHW4V2" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ProgrammingLanguageHW4V2-b4fcaef6278ad1da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4aec0d52b970fcf4df7b598520e6be3a3ac8d5ea067bd035110ad8d58cb17d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aec0d52b970fcf4df7b598520e6be3a3ac8d5ea067bd035110ad8d58cb17d97", kill_on_drop: false }`
[INFO] [stdout] 4aec0d52b970fcf4df7b598520e6be3a3ac8d5ea067bd035110ad8d58cb17d97