[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleungrw%2Fleungrw_interview_rust" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leungrw/leungrw_interview_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-91/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" "+1.59.0" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2a1686cc8bca98eb660a7f20f9209f4ec6c65ed0083a31f4a2b6c6e4fc20ade
[INFO] running `Command { std: "docker" "start" "-a" "e2a1686cc8bca98eb660a7f20f9209f4ec6c65ed0083a31f4a2b6c6e4fc20ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a1686cc8bca98eb660a7f20f9209f4ec6c65ed0083a31f4a2b6c6e4fc20ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a1686cc8bca98eb660a7f20f9209f4ec6c65ed0083a31f4a2b6c6e4fc20ade", kill_on_drop: false }`
[INFO] [stdout] e2a1686cc8bca98eb660a7f20f9209f4ec6c65ed0083a31f4a2b6c6e4fc20ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4634a13dce1a58c897752a4a4af54006d2547416521b721c7da9cab3692e57ee
[INFO] running `Command { std: "docker" "start" "-a" "4634a13dce1a58c897752a4a4af54006d2547416521b721c7da9cab3692e57ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling leungrw_interview_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "4634a13dce1a58c897752a4a4af54006d2547416521b721c7da9cab3692e57ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4634a13dce1a58c897752a4a4af54006d2547416521b721c7da9cab3692e57ee", kill_on_drop: false }`
[INFO] [stdout] 4634a13dce1a58c897752a4a4af54006d2547416521b721c7da9cab3692e57ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c256ea3f10c7548bec41d4726229307c754d570fb112813185518be149dfde6e
[INFO] running `Command { std: "docker" "start" "-a" "c256ea3f10c7548bec41d4726229307c754d570fb112813185518be149dfde6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling leungrw_interview_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c256ea3f10c7548bec41d4726229307c754d570fb112813185518be149dfde6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c256ea3f10c7548bec41d4726229307c754d570fb112813185518be149dfde6e", kill_on_drop: false }`
[INFO] [stdout] c256ea3f10c7548bec41d4726229307c754d570fb112813185518be149dfde6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bcc53425fd6e30d0c07b726165ace46b16fa82539db46ab7243cfd0be2add2e
[INFO] running `Command { std: "docker" "start" "-a" "0bcc53425fd6e30d0c07b726165ace46b16fa82539db46ab7243cfd0be2add2e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leungrw_interview_rust-60010c7b96555e17)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::content_string_existant_file ... ok
[INFO] [stdout] test tests::counting_char_of_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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bcc53425fd6e30d0c07b726165ace46b16fa82539db46ab7243cfd0be2add2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcc53425fd6e30d0c07b726165ace46b16fa82539db46ab7243cfd0be2add2e", kill_on_drop: false }`
[INFO] [stdout] 0bcc53425fd6e30d0c07b726165ace46b16fa82539db46ab7243cfd0be2add2e