[INFO] cloning repository https://github.com/cheesekon/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheesekon/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheesekon%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheesekon%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35ef4c25a036cc5449e8c52709fb3b16c96802b5
[INFO] testing cheesekon/rust-practice against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheesekon%2Frust-practice" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cheesekon/rust-practice on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cheesekon/rust-practice
[INFO] finished tweaking git repo https://github.com/cheesekon/rust-practice
[INFO] tweaked toml for git repo https://github.com/cheesekon/rust-practice written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cheesekon/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23053ad5c5e299bdfef70a83ac037e3632eb65d6547890d9f409e27ed567ba3e
[INFO] running `Command { std: "docker" "start" "-a" "23053ad5c5e299bdfef70a83ac037e3632eb65d6547890d9f409e27ed567ba3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23053ad5c5e299bdfef70a83ac037e3632eb65d6547890d9f409e27ed567ba3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23053ad5c5e299bdfef70a83ac037e3632eb65d6547890d9f409e27ed567ba3e", kill_on_drop: false }`
[INFO] [stdout] 23053ad5c5e299bdfef70a83ac037e3632eb65d6547890d9f409e27ed567ba3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 062635a9b8dba35ddb7ba21821fc5f6f74f3490f0a595dbb4b680bf4d6ac2e4c
[INFO] running `Command { std: "docker" "start" "-a" "062635a9b8dba35ddb7ba21821fc5f6f74f3490f0a595dbb4b680bf4d6ac2e4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]   --> src/lib.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   Red,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]   --> src/lib.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |   Green,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]   --> src/lib.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |   Yellow
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "062635a9b8dba35ddb7ba21821fc5f6f74f3490f0a595dbb4b680bf4d6ac2e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062635a9b8dba35ddb7ba21821fc5f6f74f3490f0a595dbb4b680bf4d6ac2e4c", kill_on_drop: false }`
[INFO] [stdout] 062635a9b8dba35ddb7ba21821fc5f6f74f3490f0a595dbb4b680bf4d6ac2e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cbc96c48319112378a5ff04b09506dd6a0e6f8be783d589d2b8ab334b2a1a6e
[INFO] running `Command { std: "docker" "start" "-a" "5cbc96c48319112378a5ff04b09506dd6a0e6f8be783d589d2b8ab334b2a1a6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]   --> src/lib.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   Red,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]   --> src/lib.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |   Green,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]   --> src/lib.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |   Yellow
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]   --> src/lib.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   Red,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]   --> src/lib.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |   Green,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]   --> src/lib.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |   Yellow
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "5cbc96c48319112378a5ff04b09506dd6a0e6f8be783d589d2b8ab334b2a1a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbc96c48319112378a5ff04b09506dd6a0e6f8be783d589d2b8ab334b2a1a6e", kill_on_drop: false }`
[INFO] [stdout] 5cbc96c48319112378a5ff04b09506dd6a0e6f8be783d589d2b8ab334b2a1a6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 006ea46e85851eea08a7d895ff0357b6392c4d709a2a77b8c3e950c2224882fd
[INFO] running `Command { std: "docker" "start" "-a" "006ea46e85851eea08a7d895ff0357b6392c4d709a2a77b8c3e950c2224882fd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:32:3
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 32 |   Red,
[INFO] [stdout] 
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Green`
[INFO] [stderr]   --> src/lib.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   Green,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Yellow`
[INFO] [stderr]   --> src/lib.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |   Yellow
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stderr]   --> src/lib.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |   Red,
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Green`
[INFO] [stderr]   --> src/lib.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   Green,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Yellow`
[INFO] [stderr]   --> src/lib.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |   Yellow
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/homework-8eea08f09a84152f)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/homework-5502d8da0c15b1a1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests homework
[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] [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" "006ea46e85851eea08a7d895ff0357b6392c4d709a2a77b8c3e950c2224882fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006ea46e85851eea08a7d895ff0357b6392c4d709a2a77b8c3e950c2224882fd", kill_on_drop: false }`
[INFO] [stdout] 006ea46e85851eea08a7d895ff0357b6392c4d709a2a77b8c3e950c2224882fd