[INFO] fetching crate skill-rating 0.0.1...
[INFO] testing skill-rating-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate skill-rating 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate skill-rating 0.0.1 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 crates.io crate skill-rating 0.0.1
[INFO] finished tweaking crates.io crate skill-rating 0.0.1
[INFO] tweaked toml for crates.io crate skill-rating 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8386b1590a5db192b9638a64700d4039a48e8195f8e8b4a41c3e6bdb150c6e06
[INFO] running `Command { std: "docker" "start" "-a" "8386b1590a5db192b9638a64700d4039a48e8195f8e8b4a41c3e6bdb150c6e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8386b1590a5db192b9638a64700d4039a48e8195f8e8b4a41c3e6bdb150c6e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8386b1590a5db192b9638a64700d4039a48e8195f8e8b4a41c3e6bdb150c6e06", kill_on_drop: false }`
[INFO] [stdout] 8386b1590a5db192b9638a64700d4039a48e8195f8e8b4a41c3e6bdb150c6e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 384dfdacf4c2e40ce0cd870fae9b602de12cd5240d9d1ed20c1607e07b49931a
[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" "384dfdacf4c2e40ce0cd870fae9b602de12cd5240d9d1ed20c1607e07b49931a", kill_on_drop: false }`
[INFO] [stderr]    Compiling skill-rating v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "384dfdacf4c2e40ce0cd870fae9b602de12cd5240d9d1ed20c1607e07b49931a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384dfdacf4c2e40ce0cd870fae9b602de12cd5240d9d1ed20c1607e07b49931a", kill_on_drop: false }`
[INFO] [stdout] 384dfdacf4c2e40ce0cd870fae9b602de12cd5240d9d1ed20c1607e07b49931a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fc0310077a93a3f1fd7afbc3c8627da385962e24fa7873b691a2d314f09ca8ce
[INFO] running `Command { std: "docker" "start" "-a" "fc0310077a93a3f1fd7afbc3c8627da385962e24fa7873b691a2d314f09ca8ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling skill-rating v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "fc0310077a93a3f1fd7afbc3c8627da385962e24fa7873b691a2d314f09ca8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0310077a93a3f1fd7afbc3c8627da385962e24fa7873b691a2d314f09ca8ce", kill_on_drop: false }`
[INFO] [stdout] fc0310077a93a3f1fd7afbc3c8627da385962e24fa7873b691a2d314f09ca8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a4425b2be6ac6cc92da2ccd7541956acf4abc5aa90173a9ff6b9142cfb833693
[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" "a4425b2be6ac6cc92da2ccd7541956acf4abc5aa90173a9ff6b9142cfb833693", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[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] [stderr]      Running /opt/rustwide/target/debug/deps/skill_rating-bc0005ae05060609
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/elo-d8501efbef335df4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test elo_match_loss ... ok
[INFO] [stdout] test elo_series ... ok
[INFO] [stdout] test elo_icc ... ok
[INFO] [stdout] test elo_match_draw ... ok
[INFO] [stdout] test elo_match_win ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/glicko-830e2b850edf777e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skill-rating
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/elo/mod.rs - elo::series (line 82) ... ok
[INFO] [stdout] test src/elo/mod.rs - elo::expected_score (line 29) ... ok
[INFO] [stdout] test src/elo/mod.rs - elo::game (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4425b2be6ac6cc92da2ccd7541956acf4abc5aa90173a9ff6b9142cfb833693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4425b2be6ac6cc92da2ccd7541956acf4abc5aa90173a9ff6b9142cfb833693", kill_on_drop: false }`
[INFO] [stdout] a4425b2be6ac6cc92da2ccd7541956acf4abc5aa90173a9ff6b9142cfb833693