[INFO] cloning repository https://github.com/gness1804/number-guesser-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gness1804/number-guesser-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgness1804%2Fnumber-guesser-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgness1804%2Fnumber-guesser-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 586109e71796ec5f8c4202d405d88c305765cd09
[INFO] testing gness1804/number-guesser-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgness1804%2Fnumber-guesser-rust" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gness1804/number-guesser-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gness1804/number-guesser-rust
[INFO] finished tweaking git repo https://github.com/gness1804/number-guesser-rust
[INFO] tweaked toml for git repo https://github.com/gness1804/number-guesser-rust written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/gness1804/number-guesser-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ed83d262a13c5291e160b1fe5861c959056d6f49a329b3e877bebf95f9a7961
[INFO] running `Command { std: "docker" "start" "-a" "8ed83d262a13c5291e160b1fe5861c959056d6f49a329b3e877bebf95f9a7961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ed83d262a13c5291e160b1fe5861c959056d6f49a329b3e877bebf95f9a7961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed83d262a13c5291e160b1fe5861c959056d6f49a329b3e877bebf95f9a7961", kill_on_drop: false }`
[INFO] [stdout] 8ed83d262a13c5291e160b1fe5861c959056d6f49a329b3e877bebf95f9a7961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca6a4ec88801b9fdba4cf7dd0cc71e40c9f45177c83f5e544a1da22a4e2d78bb
[INFO] running `Command { std: "docker" "start" "-a" "ca6a4ec88801b9fdba4cf7dd0cc71e40c9f45177c83f5e544a1da22a4e2d78bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling number_guesser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "ca6a4ec88801b9fdba4cf7dd0cc71e40c9f45177c83f5e544a1da22a4e2d78bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6a4ec88801b9fdba4cf7dd0cc71e40c9f45177c83f5e544a1da22a4e2d78bb", kill_on_drop: false }`
[INFO] [stdout] ca6a4ec88801b9fdba4cf7dd0cc71e40c9f45177c83f5e544a1da22a4e2d78bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3038afeaca4a098cacf6390c6c505e30d8021be1279da8c37e586c61937a659
[INFO] running `Command { std: "docker" "start" "-a" "c3038afeaca4a098cacf6390c6c505e30d8021be1279da8c37e586c61937a659", kill_on_drop: false }`
[INFO] [stderr]    Compiling number_guesser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "c3038afeaca4a098cacf6390c6c505e30d8021be1279da8c37e586c61937a659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3038afeaca4a098cacf6390c6c505e30d8021be1279da8c37e586c61937a659", kill_on_drop: false }`
[INFO] [stdout] c3038afeaca4a098cacf6390c6c505e30d8021be1279da8c37e586c61937a659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7680d91efbb0f24d7dbd40e5da739628899184ec00841c728724463a9054ba26
[INFO] running `Command { std: "docker" "start" "-a" "7680d91efbb0f24d7dbd40e5da739628899184ec00841c728724463a9054ba26", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/number_guesser-59056d0137066308)
[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" "7680d91efbb0f24d7dbd40e5da739628899184ec00841c728724463a9054ba26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7680d91efbb0f24d7dbd40e5da739628899184ec00841c728724463a9054ba26", kill_on_drop: false }`
[INFO] [stdout] 7680d91efbb0f24d7dbd40e5da739628899184ec00841c728724463a9054ba26