[INFO] cloning repository https://github.com/RLHerbert/fizz_buzz_functional_composition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RLHerbert/fizz_buzz_functional_composition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRLHerbert%2Ffizz_buzz_functional_composition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRLHerbert%2Ffizz_buzz_functional_composition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 751e94863062c138ffcab3b92b6d5ff044282300
[INFO] testing RLHerbert/fizz_buzz_functional_composition against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRLHerbert%2Ffizz_buzz_functional_composition" "/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/RLHerbert/fizz_buzz_functional_composition 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/RLHerbert/fizz_buzz_functional_composition
[INFO] finished tweaking git repo https://github.com/RLHerbert/fizz_buzz_functional_composition
[INFO] tweaked toml for git repo https://github.com/RLHerbert/fizz_buzz_functional_composition written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RLHerbert/fizz_buzz_functional_composition 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-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" "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] [stdout] 5e801e8b980415de58dca8ca149ed5d09e0388a8f2341b8d1cc9dd0824bdd433
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e801e8b980415de58dca8ca149ed5d09e0388a8f2341b8d1cc9dd0824bdd433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e801e8b980415de58dca8ca149ed5d09e0388a8f2341b8d1cc9dd0824bdd433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e801e8b980415de58dca8ca149ed5d09e0388a8f2341b8d1cc9dd0824bdd433", kill_on_drop: false }`
[INFO] [stdout] 5e801e8b980415de58dca8ca149ed5d09e0388a8f2341b8d1cc9dd0824bdd433
[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" "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] [stdout] ab61cfd0f856224974516f584293ac9e73d529612bb8140652d1a85ce69bea4e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab61cfd0f856224974516f584293ac9e73d529612bb8140652d1a85ce69bea4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz_buzz_functional_composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "ab61cfd0f856224974516f584293ac9e73d529612bb8140652d1a85ce69bea4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab61cfd0f856224974516f584293ac9e73d529612bb8140652d1a85ce69bea4e", kill_on_drop: false }`
[INFO] [stdout] ab61cfd0f856224974516f584293ac9e73d529612bb8140652d1a85ce69bea4e
[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" "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] [stdout] 46557b9759a6292a63ee6b5e1cfa434116e4eeff6e800b0b183024d62b4a5b3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "46557b9759a6292a63ee6b5e1cfa434116e4eeff6e800b0b183024d62b4a5b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz_buzz_functional_composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "46557b9759a6292a63ee6b5e1cfa434116e4eeff6e800b0b183024d62b4a5b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46557b9759a6292a63ee6b5e1cfa434116e4eeff6e800b0b183024d62b4a5b3c", kill_on_drop: false }`
[INFO] [stdout] 46557b9759a6292a63ee6b5e1cfa434116e4eeff6e800b0b183024d62b4a5b3c
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac1ba99c209e7181fd953e3738bf52d54d9c5480ca2378df42a88a8bb485f739
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac1ba99c209e7181fd953e3738bf52d54d9c5480ca2378df42a88a8bb485f739", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizz_buzz_functional_composition-16cbcdb9984e91ed
[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" "ac1ba99c209e7181fd953e3738bf52d54d9c5480ca2378df42a88a8bb485f739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1ba99c209e7181fd953e3738bf52d54d9c5480ca2378df42a88a8bb485f739", kill_on_drop: false }`
[INFO] [stdout] ac1ba99c209e7181fd953e3738bf52d54d9c5480ca2378df42a88a8bb485f739