[INFO] fetching crate elo 0.3.0...
[INFO] testing elo-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate elo 0.3.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate elo 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elo 0.3.0
[INFO] finished tweaking crates.io crate elo 0.3.0
[INFO] tweaked toml for crates.io crate elo 0.3.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea2a0952ef96de7be7288f6d2cd2a17d2c88354a95e3373054ac449569b9d41
[INFO] running `Command { std: "docker" "start" "-a" "5ea2a0952ef96de7be7288f6d2cd2a17d2c88354a95e3373054ac449569b9d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea2a0952ef96de7be7288f6d2cd2a17d2c88354a95e3373054ac449569b9d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea2a0952ef96de7be7288f6d2cd2a17d2c88354a95e3373054ac449569b9d41", kill_on_drop: false }`
[INFO] [stdout] 5ea2a0952ef96de7be7288f6d2cd2a17d2c88354a95e3373054ac449569b9d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e4e68bd76a47c2196cd80e838c319d76c8377433d9e15d62c5780b381a939d
[INFO] running `Command { std: "docker" "start" "-a" "46e4e68bd76a47c2196cd80e838c319d76c8377433d9e15d62c5780b381a939d", kill_on_drop: false }`
[INFO] [stderr]    Compiling elo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "46e4e68bd76a47c2196cd80e838c319d76c8377433d9e15d62c5780b381a939d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e4e68bd76a47c2196cd80e838c319d76c8377433d9e15d62c5780b381a939d", kill_on_drop: false }`
[INFO] [stdout] 46e4e68bd76a47c2196cd80e838c319d76c8377433d9e15d62c5780b381a939d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc1b4f3e1b08e22c4777dd0740bb0b50ee2d7e0e229eb7de1c6466322c31b8d
[INFO] running `Command { std: "docker" "start" "-a" "4fc1b4f3e1b08e22c4777dd0740bb0b50ee2d7e0e229eb7de1c6466322c31b8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling elo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4fc1b4f3e1b08e22c4777dd0740bb0b50ee2d7e0e229eb7de1c6466322c31b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc1b4f3e1b08e22c4777dd0740bb0b50ee2d7e0e229eb7de1c6466322c31b8d", kill_on_drop: false }`
[INFO] [stdout] 4fc1b4f3e1b08e22c4777dd0740bb0b50ee2d7e0e229eb7de1c6466322c31b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 905c98ea18e64117b029c502332ddacd8b91fbe9244ca3a948fa1ec67943d2b9
[INFO] running `Command { std: "docker" "start" "-a" "905c98ea18e64117b029c502332ddacd8b91fbe9244ca3a948fa1ec67943d2b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/elo-6471b6560f566c68)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::rounds_ratings_properly ... ok
[INFO] [stdout] test tests::calculates_correct_ratings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests elo
[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" "905c98ea18e64117b029c502332ddacd8b91fbe9244ca3a948fa1ec67943d2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905c98ea18e64117b029c502332ddacd8b91fbe9244ca3a948fa1ec67943d2b9", kill_on_drop: false }`
[INFO] [stdout] 905c98ea18e64117b029c502332ddacd8b91fbe9244ca3a948fa1ec67943d2b9