[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotaplant%2Ffizz_buzz_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elliotaplant/fizz_buzz_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/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-0/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 45be8aabec6b06525aab0c4d8b853a796069605161e4e75f103c09a6150158c8
[INFO] running `Command { std: "docker" "start" "-a" "45be8aabec6b06525aab0c4d8b853a796069605161e4e75f103c09a6150158c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45be8aabec6b06525aab0c4d8b853a796069605161e4e75f103c09a6150158c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45be8aabec6b06525aab0c4d8b853a796069605161e4e75f103c09a6150158c8", kill_on_drop: false }`
[INFO] [stdout] 45be8aabec6b06525aab0c4d8b853a796069605161e4e75f103c09a6150158c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1400fab19fca1f6f21c0a7f1673600f20a167829500066a94a8edc262deb570c
[INFO] running `Command { std: "docker" "start" "-a" "1400fab19fca1f6f21c0a7f1673600f20a167829500066a94a8edc262deb570c", 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "1400fab19fca1f6f21c0a7f1673600f20a167829500066a94a8edc262deb570c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1400fab19fca1f6f21c0a7f1673600f20a167829500066a94a8edc262deb570c", kill_on_drop: false }`
[INFO] [stdout] 1400fab19fca1f6f21c0a7f1673600f20a167829500066a94a8edc262deb570c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f6a4549bd345c4f190ee1b142525b994edf642e727f12c642f58a59fa39bf3a6
[INFO] running `Command { std: "docker" "start" "-a" "f6a4549bd345c4f190ee1b142525b994edf642e727f12c642f58a59fa39bf3a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f6a4549bd345c4f190ee1b142525b994edf642e727f12c642f58a59fa39bf3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a4549bd345c4f190ee1b142525b994edf642e727f12c642f58a59fa39bf3a6", kill_on_drop: false }`
[INFO] [stdout] f6a4549bd345c4f190ee1b142525b994edf642e727f12c642f58a59fa39bf3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 075657caa77a11040dada77ad7fe4855b694bd656d85419b711fedbd6b6f924d
[INFO] running `Command { std: "docker" "start" "-a" "075657caa77a11040dada77ad7fe4855b694bd656d85419b711fedbd6b6f924d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_fizz_buzz-2ef3480b6ea9745a)
[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" "075657caa77a11040dada77ad7fe4855b694bd656d85419b711fedbd6b6f924d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075657caa77a11040dada77ad7fe4855b694bd656d85419b711fedbd6b6f924d", kill_on_drop: false }`
[INFO] [stdout] 075657caa77a11040dada77ad7fe4855b694bd656d85419b711fedbd6b6f924d