[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felliotaplant%2Ffizz_buzz_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elliotaplant/fizz_buzz_rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa445a73b990cd291f2597028dc9d84ab00b4a53c6fa00ecf5461722367eb743
[INFO] running `Command { std: "docker" "start" "-a" "aa445a73b990cd291f2597028dc9d84ab00b4a53c6fa00ecf5461722367eb743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa445a73b990cd291f2597028dc9d84ab00b4a53c6fa00ecf5461722367eb743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa445a73b990cd291f2597028dc9d84ab00b4a53c6fa00ecf5461722367eb743", kill_on_drop: false }`
[INFO] [stdout] aa445a73b990cd291f2597028dc9d84ab00b4a53c6fa00ecf5461722367eb743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91a62593dc2af24faf2e711bdb892d2ed0c97ab48891507c3ec297954203db10
[INFO] running `Command { std: "docker" "start" "-a" "91a62593dc2af24faf2e711bdb892d2ed0c97ab48891507c3ec297954203db10", 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 0.88s
[INFO] running `Command { std: "docker" "inspect" "91a62593dc2af24faf2e711bdb892d2ed0c97ab48891507c3ec297954203db10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a62593dc2af24faf2e711bdb892d2ed0c97ab48891507c3ec297954203db10", kill_on_drop: false }`
[INFO] [stdout] 91a62593dc2af24faf2e711bdb892d2ed0c97ab48891507c3ec297954203db10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6b98baaeb66e5460940165bf3417fc42ff9c5eaed6b1dc2193f59feb9ff1f0b
[INFO] running `Command { std: "docker" "start" "-a" "a6b98baaeb66e5460940165bf3417fc42ff9c5eaed6b1dc2193f59feb9ff1f0b", 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 0.81s
[INFO] running `Command { std: "docker" "inspect" "a6b98baaeb66e5460940165bf3417fc42ff9c5eaed6b1dc2193f59feb9ff1f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b98baaeb66e5460940165bf3417fc42ff9c5eaed6b1dc2193f59feb9ff1f0b", kill_on_drop: false }`
[INFO] [stdout] a6b98baaeb66e5460940165bf3417fc42ff9c5eaed6b1dc2193f59feb9ff1f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d8fe22a7935ce0ea7fa1bcf1e18109874c2c6f064c0b28570f6cb28addec569
[INFO] running `Command { std: "docker" "start" "-a" "9d8fe22a7935ce0ea7fa1bcf1e18109874c2c6f064c0b28570f6cb28addec569", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_fizz_buzz-5ed25249e7b511e7
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d8fe22a7935ce0ea7fa1bcf1e18109874c2c6f064c0b28570f6cb28addec569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8fe22a7935ce0ea7fa1bcf1e18109874c2c6f064c0b28570f6cb28addec569", kill_on_drop: false }`
[INFO] [stdout] 9d8fe22a7935ce0ea7fa1bcf1e18109874c2c6f064c0b28570f6cb28addec569