[INFO] cloning repository https://github.com/leungrw/leungrw_interview_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leungrw/leungrw_interview_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleungrw%2Fleungrw_interview_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleungrw%2Fleungrw_interview_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fec36cb566d639efacca112bcb51187cde31a49e
[INFO] testing leungrw/leungrw_interview_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleungrw%2Fleungrw_interview_rust" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leungrw/leungrw_interview_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leungrw/leungrw_interview_rust
[INFO] finished tweaking git repo https://github.com/leungrw/leungrw_interview_rust
[INFO] tweaked toml for git repo https://github.com/leungrw/leungrw_interview_rust written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/leungrw/leungrw_interview_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0156f43917a31109161a28d65583c25753b31cf8c7156e88850cd093116620d9
[INFO] running `Command { std: "docker" "start" "-a" "0156f43917a31109161a28d65583c25753b31cf8c7156e88850cd093116620d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0156f43917a31109161a28d65583c25753b31cf8c7156e88850cd093116620d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0156f43917a31109161a28d65583c25753b31cf8c7156e88850cd093116620d9", kill_on_drop: false }`
[INFO] [stdout] 0156f43917a31109161a28d65583c25753b31cf8c7156e88850cd093116620d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c06428c263aaabf557d5b7505f28d11016d7cc604a9a10657ddccb1ade3c134
[INFO] running `Command { std: "docker" "start" "-a" "6c06428c263aaabf557d5b7505f28d11016d7cc604a9a10657ddccb1ade3c134", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leungrw_interview_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "6c06428c263aaabf557d5b7505f28d11016d7cc604a9a10657ddccb1ade3c134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c06428c263aaabf557d5b7505f28d11016d7cc604a9a10657ddccb1ade3c134", kill_on_drop: false }`
[INFO] [stdout] 6c06428c263aaabf557d5b7505f28d11016d7cc604a9a10657ddccb1ade3c134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b26d0544a0a03e8c4f86eff0c36d8b7ce80396737cc1d92eee0c657f903daa0a
[INFO] running `Command { std: "docker" "start" "-a" "b26d0544a0a03e8c4f86eff0c36d8b7ce80396737cc1d92eee0c657f903daa0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leungrw_interview_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "b26d0544a0a03e8c4f86eff0c36d8b7ce80396737cc1d92eee0c657f903daa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26d0544a0a03e8c4f86eff0c36d8b7ce80396737cc1d92eee0c657f903daa0a", kill_on_drop: false }`
[INFO] [stdout] b26d0544a0a03e8c4f86eff0c36d8b7ce80396737cc1d92eee0c657f903daa0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5d97d4c5c641e57056654709428b1818b11c19898d5338543e56219396fb31e
[INFO] running `Command { std: "docker" "start" "-a" "f5d97d4c5c641e57056654709428b1818b11c19898d5338543e56219396fb31e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leungrw_interview_rust-2387b5282b1f15db)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::content_string_existant_file ... ok
[INFO] [stdout] test tests::matching_word_to_file ... ok
[INFO] [stdout] test tests::counting_char_of_file ... ok
[INFO] [stdout] test tests::content_string_non_existant_file - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5d97d4c5c641e57056654709428b1818b11c19898d5338543e56219396fb31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d97d4c5c641e57056654709428b1818b11c19898d5338543e56219396fb31e", kill_on_drop: false }`
[INFO] [stdout] f5d97d4c5c641e57056654709428b1818b11c19898d5338543e56219396fb31e