[INFO] cloning repository https://github.com/lbrande/coin-change
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbrande/coin-change" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbrande%2Fcoin-change", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbrande%2Fcoin-change'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6461b992373df814c78b34eab9d59a3836605915
[INFO] testing lbrande/coin-change against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbrande%2Fcoin-change" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lbrande/coin-change on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lbrande/coin-change
[INFO] finished tweaking git repo https://github.com/lbrande/coin-change
[INFO] tweaked toml for git repo https://github.com/lbrande/coin-change written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/lbrande/coin-change already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61b6aee352ba1f459a376678db0f9628f38b6c743e75ddc74eea94ec1d8e9aa9
[INFO] running `Command { std: "docker" "start" "-a" "61b6aee352ba1f459a376678db0f9628f38b6c743e75ddc74eea94ec1d8e9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b6aee352ba1f459a376678db0f9628f38b6c743e75ddc74eea94ec1d8e9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b6aee352ba1f459a376678db0f9628f38b6c743e75ddc74eea94ec1d8e9aa9", kill_on_drop: false }`
[INFO] [stdout] 61b6aee352ba1f459a376678db0f9628f38b6c743e75ddc74eea94ec1d8e9aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa579b6cdbc803f2ec2d370ee9b8f19c8db6bfb69f0df4b9a0e5632a4c764b9
[INFO] running `Command { std: "docker" "start" "-a" "2aa579b6cdbc803f2ec2d370ee9b8f19c8db6bfb69f0df4b9a0e5632a4c764b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling coin_change v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "2aa579b6cdbc803f2ec2d370ee9b8f19c8db6bfb69f0df4b9a0e5632a4c764b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa579b6cdbc803f2ec2d370ee9b8f19c8db6bfb69f0df4b9a0e5632a4c764b9", kill_on_drop: false }`
[INFO] [stdout] 2aa579b6cdbc803f2ec2d370ee9b8f19c8db6bfb69f0df4b9a0e5632a4c764b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2adcf9e742d95510c578a3d6eeae67ad74eab9e76c5b99e1d47ebedb784bb4bd
[INFO] running `Command { std: "docker" "start" "-a" "2adcf9e742d95510c578a3d6eeae67ad74eab9e76c5b99e1d47ebedb784bb4bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling coin_change v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "2adcf9e742d95510c578a3d6eeae67ad74eab9e76c5b99e1d47ebedb784bb4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2adcf9e742d95510c578a3d6eeae67ad74eab9e76c5b99e1d47ebedb784bb4bd", kill_on_drop: false }`
[INFO] [stdout] 2adcf9e742d95510c578a3d6eeae67ad74eab9e76c5b99e1d47ebedb784bb4bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ab0efb41fd2080abf0a1e2254c99f563e89a6475db1b06854c30dc19abfbe54
[INFO] running `Command { std: "docker" "start" "-a" "2ab0efb41fd2080abf0a1e2254c99f563e89a6475db1b06854c30dc19abfbe54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coin_change-2b93cbc67c460e5b)
[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" "2ab0efb41fd2080abf0a1e2254c99f563e89a6475db1b06854c30dc19abfbe54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab0efb41fd2080abf0a1e2254c99f563e89a6475db1b06854c30dc19abfbe54", kill_on_drop: false }`
[INFO] [stdout] 2ab0efb41fd2080abf0a1e2254c99f563e89a6475db1b06854c30dc19abfbe54