[INFO] fetching crate random-wheel 0.3.1...
[INFO] testing random-wheel-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate random-wheel 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate random-wheel 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random-wheel 0.3.1
[INFO] finished tweaking crates.io crate random-wheel 0.3.1
[INFO] tweaked toml for crates.io crate random-wheel 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea53869cdd9b9143734f1757088da61bbc8953511e889e18d8398f6ab8fc8f01
[INFO] running `Command { std: "docker" "start" "-a" "ea53869cdd9b9143734f1757088da61bbc8953511e889e18d8398f6ab8fc8f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea53869cdd9b9143734f1757088da61bbc8953511e889e18d8398f6ab8fc8f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea53869cdd9b9143734f1757088da61bbc8953511e889e18d8398f6ab8fc8f01", kill_on_drop: false }`
[INFO] [stdout] ea53869cdd9b9143734f1757088da61bbc8953511e889e18d8398f6ab8fc8f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ebdfe1ade2b2cb4cae8bf6db1e6090c07cc5adea6bb428425bb6381e4e44665
[INFO] running `Command { std: "docker" "start" "-a" "6ebdfe1ade2b2cb4cae8bf6db1e6090c07cc5adea6bb428425bb6381e4e44665", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling random-wheel v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "6ebdfe1ade2b2cb4cae8bf6db1e6090c07cc5adea6bb428425bb6381e4e44665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebdfe1ade2b2cb4cae8bf6db1e6090c07cc5adea6bb428425bb6381e4e44665", kill_on_drop: false }`
[INFO] [stdout] 6ebdfe1ade2b2cb4cae8bf6db1e6090c07cc5adea6bb428425bb6381e4e44665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ef95cbfece1d5f5862f29c22e0fa8e609d10a6a8b34f06ace7be1020e5df2e
[INFO] running `Command { std: "docker" "start" "-a" "00ef95cbfece1d5f5862f29c22e0fa8e609d10a6a8b34f06ace7be1020e5df2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-wheel v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "00ef95cbfece1d5f5862f29c22e0fa8e609d10a6a8b34f06ace7be1020e5df2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ef95cbfece1d5f5862f29c22e0fa8e609d10a6a8b34f06ace7be1020e5df2e", kill_on_drop: false }`
[INFO] [stdout] 00ef95cbfece1d5f5862f29c22e0fa8e609d10a6a8b34f06ace7be1020e5df2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67c8db7e7cea91b562a3f84772b15726996b4c96a6f5f622a03bae8a167452b8
[INFO] running `Command { std: "docker" "start" "-a" "67c8db7e7cea91b562a3f84772b15726996b4c96a6f5f622a03bae8a167452b8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_wheel-a752b696aa0bd52e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9e520782810572ce)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_peek_and_pop_to_empty ... ok
[INFO] [stdout] test tests::test_proba_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests random-wheel
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::is_empty (line 172) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::new (line 61) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::peek (line 324) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::iter_mut (line 215) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::clear (line 150) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::push (line 237) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::len (line 130) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::pop (line 380) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::capacity (line 116) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::reserve (line 100) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::proba_sum (line 277) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::iter (line 192) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::peek_mut (line 350) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::with_capacity (line 78) ... ok
[INFO] [stdout] test src/random_wheel.rs - random_wheel::RandomWheel<T>::from_vec (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67c8db7e7cea91b562a3f84772b15726996b4c96a6f5f622a03bae8a167452b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c8db7e7cea91b562a3f84772b15726996b4c96a6f5f622a03bae8a167452b8", kill_on_drop: false }`
[INFO] [stdout] 67c8db7e7cea91b562a3f84772b15726996b4c96a6f5f622a03bae8a167452b8