[INFO] cloning repository https://github.com/ajibadeabd/rust_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajibadeabd/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajibadeabd%2Frust_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajibadeabd%2Frust_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d6fb4be02c1b4b1133fcc71aa5506679f184d1c
[INFO] testing ajibadeabd/rust_tutorial against 1.73.0 for beta-1.74-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajibadeabd%2Frust_tutorial" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajibadeabd/rust_tutorial on toolchain 1.73.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajibadeabd/rust_tutorial
[INFO] finished tweaking git repo https://github.com/ajibadeabd/rust_tutorial
[INFO] tweaked toml for git repo https://github.com/ajibadeabd/rust_tutorial written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ajibadeabd/rust_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.73.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe08c1ab33a7722a5225a603fd168363875e6e04ada6c228ca2410f01293ae9f
[INFO] running `Command { std: "docker" "start" "-a" "fe08c1ab33a7722a5225a603fd168363875e6e04ada6c228ca2410f01293ae9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe08c1ab33a7722a5225a603fd168363875e6e04ada6c228ca2410f01293ae9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe08c1ab33a7722a5225a603fd168363875e6e04ada6c228ca2410f01293ae9f", kill_on_drop: false }`
[INFO] [stdout] fe08c1ab33a7722a5225a603fd168363875e6e04ada6c228ca2410f01293ae9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425d98ef847730756a3bc0f44564fbfea743153ee9afcb9ec3b821502334e0a0
[INFO] running `Command { std: "docker" "start" "-a" "425d98ef847730756a3bc0f44564fbfea743153ee9afcb9ec3b821502334e0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling file_compressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `io`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "425d98ef847730756a3bc0f44564fbfea743153ee9afcb9ec3b821502334e0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425d98ef847730756a3bc0f44564fbfea743153ee9afcb9ec3b821502334e0a0", kill_on_drop: false }`
[INFO] [stdout] 425d98ef847730756a3bc0f44564fbfea743153ee9afcb9ec3b821502334e0a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6365235d7a8d730da2218d3db11990943ecb01fdd500753e3a715d6b1a16973
[INFO] running `Command { std: "docker" "start" "-a" "e6365235d7a8d730da2218d3db11990943ecb01fdd500753e3a715d6b1a16973", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_compressor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs`, `io`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e6365235d7a8d730da2218d3db11990943ecb01fdd500753e3a715d6b1a16973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6365235d7a8d730da2218d3db11990943ecb01fdd500753e3a715d6b1a16973", kill_on_drop: false }`
[INFO] [stdout] e6365235d7a8d730da2218d3db11990943ecb01fdd500753e3a715d6b1a16973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+1.73.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e113a229fe2a9032d37e0c34f53117bf079969d3d981ee1a5bf13cf2fd78bba
[INFO] running `Command { std: "docker" "start" "-a" "5e113a229fe2a9032d37e0c34f53117bf079969d3d981ee1a5bf13cf2fd78bba", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `fs`, `io`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fs,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 7 |     io,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `file_compressor` (bin "file_compressor" test) generated 1 warning (run `cargo fix --bin "file_compressor" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/file_compressor-6f0238bf0f0dfa8f)
[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" "5e113a229fe2a9032d37e0c34f53117bf079969d3d981ee1a5bf13cf2fd78bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e113a229fe2a9032d37e0c34f53117bf079969d3d981ee1a5bf13cf2fd78bba", kill_on_drop: false }`
[INFO] [stdout] 5e113a229fe2a9032d37e0c34f53117bf079969d3d981ee1a5bf13cf2fd78bba