[INFO] cloning repository https://github.com/smadeja/grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smadeja/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmadeja%2Fgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmadeja%2Fgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06db5875905090fa8da04559eaac130410327f37
[INFO] testing smadeja/grep against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmadeja%2Fgrep" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smadeja/grep on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smadeja/grep
[INFO] finished tweaking git repo https://github.com/smadeja/grep
[INFO] tweaked toml for git repo https://github.com/smadeja/grep written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate git repo https://github.com/smadeja/grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2150177934a7cc9df77c2d916e4a5416da7996079c877f533b2d5e4379e48295
[INFO] running `Command { std: "docker" "start" "-a" "2150177934a7cc9df77c2d916e4a5416da7996079c877f533b2d5e4379e48295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2150177934a7cc9df77c2d916e4a5416da7996079c877f533b2d5e4379e48295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2150177934a7cc9df77c2d916e4a5416da7996079c877f533b2d5e4379e48295", kill_on_drop: false }`
[INFO] [stdout] 2150177934a7cc9df77c2d916e4a5416da7996079c877f533b2d5e4379e48295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ee19e56d1d6af19d98b8fd59eab92a29efeefa0d16bd8936144a5ed2116eeb
[INFO] running `Command { std: "docker" "start" "-a" "73ee19e56d1d6af19d98b8fd59eab92a29efeefa0d16bd8936144a5ed2116eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `grep`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn grep(input: String, pattern: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "73ee19e56d1d6af19d98b8fd59eab92a29efeefa0d16bd8936144a5ed2116eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ee19e56d1d6af19d98b8fd59eab92a29efeefa0d16bd8936144a5ed2116eeb", kill_on_drop: false }`
[INFO] [stdout] 73ee19e56d1d6af19d98b8fd59eab92a29efeefa0d16bd8936144a5ed2116eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 331f55147d1ee5406deabc49c66b9e15b9dee89f802190b5549e9061688ee683
[INFO] running `Command { std: "docker" "start" "-a" "331f55147d1ee5406deabc49c66b9e15b9dee89f802190b5549e9061688ee683", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "331f55147d1ee5406deabc49c66b9e15b9dee89f802190b5549e9061688ee683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331f55147d1ee5406deabc49c66b9e15b9dee89f802190b5549e9061688ee683", kill_on_drop: false }`
[INFO] [stdout] 331f55147d1ee5406deabc49c66b9e15b9dee89f802190b5549e9061688ee683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7eaf8d1b51294950f683cde8bcdec2139b210c73f749ca9fc337baad466734ec
[INFO] running `Command { std: "docker" "start" "-a" "7eaf8d1b51294950f683cde8bcdec2139b210c73f749ca9fc337baad466734ec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grep-dadddc356e43857a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::grep_finds_first_matching_line ... ok
[INFO] [stdout] test tests::grep_returns_empty_vector_if_pattern_is_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7eaf8d1b51294950f683cde8bcdec2139b210c73f749ca9fc337baad466734ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eaf8d1b51294950f683cde8bcdec2139b210c73f749ca9fc337baad466734ec", kill_on_drop: false }`
[INFO] [stdout] 7eaf8d1b51294950f683cde8bcdec2139b210c73f749ca9fc337baad466734ec