[INFO] fetching crate elo 0.3.0...
[INFO] testing elo-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate elo 0.3.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate elo 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eaeffd93303433f2b7d0c3abdb5bf3a9a6076c6a1d5f67146c726cf62e62728
[INFO] running `Command { std: "docker" "start" "-a" "2eaeffd93303433f2b7d0c3abdb5bf3a9a6076c6a1d5f67146c726cf62e62728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eaeffd93303433f2b7d0c3abdb5bf3a9a6076c6a1d5f67146c726cf62e62728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eaeffd93303433f2b7d0c3abdb5bf3a9a6076c6a1d5f67146c726cf62e62728", kill_on_drop: false }`
[INFO] [stdout] 2eaeffd93303433f2b7d0c3abdb5bf3a9a6076c6a1d5f67146c726cf62e62728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9213a272277a1783b53c6520b94b928252c84948196e17a94948894b6c33d534
[INFO] running `Command { std: "docker" "start" "-a" "9213a272277a1783b53c6520b94b928252c84948196e17a94948894b6c33d534", 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 dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "9213a272277a1783b53c6520b94b928252c84948196e17a94948894b6c33d534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9213a272277a1783b53c6520b94b928252c84948196e17a94948894b6c33d534", kill_on_drop: false }`
[INFO] [stdout] 9213a272277a1783b53c6520b94b928252c84948196e17a94948894b6c33d534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88478ec24416d1c6db466591d1d7bc674539ed03a4838e48c1ed42d72931e461
[INFO] running `Command { std: "docker" "start" "-a" "88478ec24416d1c6db466591d1d7bc674539ed03a4838e48c1ed42d72931e461", kill_on_drop: false }`
[INFO] [stderr]    Compiling elo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/elo-6471b6560f566c68)
[INFO] running `Command { std: "docker" "inspect" "88478ec24416d1c6db466591d1d7bc674539ed03a4838e48c1ed42d72931e461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88478ec24416d1c6db466591d1d7bc674539ed03a4838e48c1ed42d72931e461", kill_on_drop: false }`
[INFO] [stdout] 88478ec24416d1c6db466591d1d7bc674539ed03a4838e48c1ed42d72931e461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b39a0eb621e45e13d08704f32195509f07020ca669067db6178fbd83a2ec7ca0
[INFO] running `Command { std: "docker" "start" "-a" "b39a0eb621e45e13d08704f32195509f07020ca669067db6178fbd83a2ec7ca0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/elo-6471b6560f566c68)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::calculates_correct_ratings ... ok
[INFO] [stdout] test tests::rounds_ratings_properly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "b39a0eb621e45e13d08704f32195509f07020ca669067db6178fbd83a2ec7ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39a0eb621e45e13d08704f32195509f07020ca669067db6178fbd83a2ec7ca0", kill_on_drop: false }`
[INFO] [stdout] b39a0eb621e45e13d08704f32195509f07020ca669067db6178fbd83a2ec7ca0