[INFO] cloning repository https://github.com/elliotaplant/fizz_buzz_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elliotaplant/fizz_buzz_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotaplant%2Ffizz_buzz_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotaplant%2Ffizz_buzz_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f503f0103ce0b032325b744d1b67f0035de6045
[INFO] testing elliotaplant/fizz_buzz_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%2Felliotaplant%2Ffizz_buzz_rust" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elliotaplant/fizz_buzz_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/elliotaplant/fizz_buzz_rust
[INFO] finished tweaking git repo https://github.com/elliotaplant/fizz_buzz_rust
[INFO] tweaked toml for git repo https://github.com/elliotaplant/fizz_buzz_rust written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/elliotaplant/fizz_buzz_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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 0f12e6c884bb62ddf7f231e4af5730207879051aa9abd13d506d267bd6c6f4a8
[INFO] running `Command { std: "docker" "start" "-a" "0f12e6c884bb62ddf7f231e4af5730207879051aa9abd13d506d267bd6c6f4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f12e6c884bb62ddf7f231e4af5730207879051aa9abd13d506d267bd6c6f4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f12e6c884bb62ddf7f231e4af5730207879051aa9abd13d506d267bd6c6f4a8", kill_on_drop: false }`
[INFO] [stdout] 0f12e6c884bb62ddf7f231e4af5730207879051aa9abd13d506d267bd6c6f4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 92e498a983fb6dd1992aaa6567e03e243345e298c49c16808a923081704c35b9
[INFO] running `Command { std: "docker" "start" "-a" "92e498a983fb6dd1992aaa6567e03e243345e298c49c16808a923081704c35b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "92e498a983fb6dd1992aaa6567e03e243345e298c49c16808a923081704c35b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e498a983fb6dd1992aaa6567e03e243345e298c49c16808a923081704c35b9", kill_on_drop: false }`
[INFO] [stdout] 92e498a983fb6dd1992aaa6567e03e243345e298c49c16808a923081704c35b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 5d49fa14ead1c8ced3312da35833a5cee42f340b7efadc67bb9937c0d7d6f233
[INFO] running `Command { std: "docker" "start" "-a" "5d49fa14ead1c8ced3312da35833a5cee42f340b7efadc67bb9937c0d7d6f233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5d49fa14ead1c8ced3312da35833a5cee42f340b7efadc67bb9937c0d7d6f233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d49fa14ead1c8ced3312da35833a5cee42f340b7efadc67bb9937c0d7d6f233", kill_on_drop: false }`
[INFO] [stdout] 5d49fa14ead1c8ced3312da35833a5cee42f340b7efadc67bb9937c0d7d6f233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] e7c1ba43b5f0f8623397f5e3b3466f7107c984a49c64ca26d17b1ea3ba64344e
[INFO] running `Command { std: "docker" "start" "-a" "e7c1ba43b5f0f8623397f5e3b3466f7107c984a49c64ca26d17b1ea3ba64344e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_fizz_buzz-c3d175630dc669e0)
[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" "e7c1ba43b5f0f8623397f5e3b3466f7107c984a49c64ca26d17b1ea3ba64344e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c1ba43b5f0f8623397f5e3b3466f7107c984a49c64ca26d17b1ea3ba64344e", kill_on_drop: false }`
[INFO] [stdout] e7c1ba43b5f0f8623397f5e3b3466f7107c984a49c64ca26d17b1ea3ba64344e