[INFO] cloning repository https://github.com/margobra8/rust_intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/margobra8/rust_intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmargobra8%2Frust_intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmargobra8%2Frust_intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60a90bf63a1ce0dec05f88eb6d5ccf8446d534e8
[INFO] testing margobra8/rust_intro against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmargobra8%2Frust_intro" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/margobra8/rust_intro on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/margobra8/rust_intro
[INFO] finished tweaking git repo https://github.com/margobra8/rust_intro
[INFO] tweaked toml for git repo https://github.com/margobra8/rust_intro written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/margobra8/rust_intro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da4f2d7ec0e7795cf00f813da17acd0e5b27ac16708bee02bcea1de6159ca27
[INFO] running `Command { std: "docker" "start" "-a" "1da4f2d7ec0e7795cf00f813da17acd0e5b27ac16708bee02bcea1de6159ca27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da4f2d7ec0e7795cf00f813da17acd0e5b27ac16708bee02bcea1de6159ca27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da4f2d7ec0e7795cf00f813da17acd0e5b27ac16708bee02bcea1de6159ca27", kill_on_drop: false }`
[INFO] [stdout] 1da4f2d7ec0e7795cf00f813da17acd0e5b27ac16708bee02bcea1de6159ca27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b86d33b218f15369d4e8edc6ce3dd7e4a26f5acd974b5212c802632ade6a91a6
[INFO] running `Command { std: "docker" "start" "-a" "b86d33b218f15369d4e8edc6ce3dd7e4a26f5acd974b5212c802632ade6a91a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "b86d33b218f15369d4e8edc6ce3dd7e4a26f5acd974b5212c802632ade6a91a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86d33b218f15369d4e8edc6ce3dd7e4a26f5acd974b5212c802632ade6a91a6", kill_on_drop: false }`
[INFO] [stdout] b86d33b218f15369d4e8edc6ce3dd7e4a26f5acd974b5212c802632ade6a91a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6055b7dd549a4ddfc7b424abcf7772d3ab79c61bc87c6456122a8b9710fa0138
[INFO] running `Command { std: "docker" "start" "-a" "6055b7dd549a4ddfc7b424abcf7772d3ab79c61bc87c6456122a8b9710fa0138", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6055b7dd549a4ddfc7b424abcf7772d3ab79c61bc87c6456122a8b9710fa0138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6055b7dd549a4ddfc7b424abcf7772d3ab79c61bc87c6456122a8b9710fa0138", kill_on_drop: false }`
[INFO] [stdout] 6055b7dd549a4ddfc7b424abcf7772d3ab79c61bc87c6456122a8b9710fa0138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81d9e0a0e632f6ff4a9d064cb55ef8c286596f8589e926c4077732965fc86a8d
[INFO] running `Command { std: "docker" "start" "-a" "81d9e0a0e632f6ff4a9d064cb55ef8c286596f8589e926c4077732965fc86a8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-d400700cc2fe5393)
[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" "81d9e0a0e632f6ff4a9d064cb55ef8c286596f8589e926c4077732965fc86a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d9e0a0e632f6ff4a9d064cb55ef8c286596f8589e926c4077732965fc86a8d", kill_on_drop: false }`
[INFO] [stdout] 81d9e0a0e632f6ff4a9d064cb55ef8c286596f8589e926c4077732965fc86a8d