[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleungrw%2Fleungrw_interview_rust" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leungrw/leungrw_interview_rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-84/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbbed020135335878d3f1cb4c14e9a72a496cddf41f504c3d69ecf26d1e7062b
[INFO] running `Command { std: "docker" "start" "-a" "cbbed020135335878d3f1cb4c14e9a72a496cddf41f504c3d69ecf26d1e7062b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbbed020135335878d3f1cb4c14e9a72a496cddf41f504c3d69ecf26d1e7062b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbed020135335878d3f1cb4c14e9a72a496cddf41f504c3d69ecf26d1e7062b", kill_on_drop: false }`
[INFO] [stdout] cbbed020135335878d3f1cb4c14e9a72a496cddf41f504c3d69ecf26d1e7062b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a168044c4016be4cb1b1aec80062ea4b2386f44291d44602ed563a74f485d73f
[INFO] running `Command { std: "docker" "start" "-a" "a168044c4016be4cb1b1aec80062ea4b2386f44291d44602ed563a74f485d73f", 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 4.37s
[INFO] running `Command { std: "docker" "inspect" "a168044c4016be4cb1b1aec80062ea4b2386f44291d44602ed563a74f485d73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a168044c4016be4cb1b1aec80062ea4b2386f44291d44602ed563a74f485d73f", kill_on_drop: false }`
[INFO] [stdout] a168044c4016be4cb1b1aec80062ea4b2386f44291d44602ed563a74f485d73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8976e50676a55f69aba03c1489037cbab93aa573447726716c79bfefed9dbce8
[INFO] running `Command { std: "docker" "start" "-a" "8976e50676a55f69aba03c1489037cbab93aa573447726716c79bfefed9dbce8", 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 2.40s
[INFO] running `Command { std: "docker" "inspect" "8976e50676a55f69aba03c1489037cbab93aa573447726716c79bfefed9dbce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8976e50676a55f69aba03c1489037cbab93aa573447726716c79bfefed9dbce8", kill_on_drop: false }`
[INFO] [stdout] 8976e50676a55f69aba03c1489037cbab93aa573447726716c79bfefed9dbce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 279463ff63bb80f71aef91ccdc425cca729e1c87b48e137873e8f4e06fe60003
[INFO] running `Command { std: "docker" "start" "-a" "279463ff63bb80f71aef91ccdc425cca729e1c87b48e137873e8f4e06fe60003", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leungrw_interview_rust-2387b5282b1f15db)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::counting_char_of_file ... ok
[INFO] [stdout] test tests::content_string_existant_file ... ok
[INFO] [stdout] test tests::matching_word_to_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 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "279463ff63bb80f71aef91ccdc425cca729e1c87b48e137873e8f4e06fe60003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279463ff63bb80f71aef91ccdc425cca729e1c87b48e137873e8f4e06fe60003", kill_on_drop: false }`
[INFO] [stdout] 279463ff63bb80f71aef91ccdc425cca729e1c87b48e137873e8f4e06fe60003