[INFO] fetching crate shrev 1.1.1...
[INFO] testing shrev-1.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shrev 1.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate shrev 1.1.1 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 shrev 1.1.1
[INFO] finished tweaking crates.io crate shrev 1.1.1
[INFO] tweaked toml for crates.io crate shrev 1.1.1 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a2351629e0641b6db24d88c178a3effdc02252870ea180e99a109c0ab782fd95
[INFO] running `Command { std: "docker" "start" "-a" "a2351629e0641b6db24d88c178a3effdc02252870ea180e99a109c0ab782fd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2351629e0641b6db24d88c178a3effdc02252870ea180e99a109c0ab782fd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2351629e0641b6db24d88c178a3effdc02252870ea180e99a109c0ab782fd95", kill_on_drop: false }`
[INFO] [stdout] a2351629e0641b6db24d88c178a3effdc02252870ea180e99a109c0ab782fd95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 29f363b620f60683329c8a962c9317a99d4991bcf5e34d7abb4982dd5eb4be35
[INFO] running `Command { std: "docker" "start" "-a" "29f363b620f60683329c8a962c9317a99d4991bcf5e34d7abb4982dd5eb4be35", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "29f363b620f60683329c8a962c9317a99d4991bcf5e34d7abb4982dd5eb4be35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f363b620f60683329c8a962c9317a99d4991bcf5e34d7abb4982dd5eb4be35", kill_on_drop: false }`
[INFO] [stdout] 29f363b620f60683329c8a962c9317a99d4991bcf5e34d7abb4982dd5eb4be35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4546fc6925da8ceaf4f2a28c3eaebb1b0d5c9c188b16f9068d9234e6193158f6
[INFO] running `Command { std: "docker" "start" "-a" "4546fc6925da8ceaf4f2a28c3eaebb1b0d5c9c188b16f9068d9234e6193158f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrev v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "4546fc6925da8ceaf4f2a28c3eaebb1b0d5c9c188b16f9068d9234e6193158f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4546fc6925da8ceaf4f2a28c3eaebb1b0d5c9c188b16f9068d9234e6193158f6", kill_on_drop: false }`
[INFO] [stdout] 4546fc6925da8ceaf4f2a28c3eaebb1b0d5c9c188b16f9068d9234e6193158f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b01888baa873309d69fd64e1d4dd965556498f859d1b924c677d8065e39192a8
[INFO] running `Command { std: "docker" "start" "-a" "b01888baa873309d69fd64e1d4dd965556498f859d1b924c677d8065e39192a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shrev-b2a01256f57d2752)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test storage::tests::test_prevent_excess_growth ... ok
[INFO] [stdout] test storage::tests::test_read ... ok
[INFO] [stdout] test storage::tests::test_empty_write ... ok
[INFO] [stdout] test storage::tests::test_empty_read ... ok
[INFO] [stdout] test storage::tests::iter_write_empty ... ok
[INFO] [stdout] test storage::tests::test_circular ... ok
[INFO] [stdout] test storage::tests::test_size ... ok
[INFO] [stdout] test storage::tests::test_write_overflow ... ok
[INFO] [stdout] test storage::tests::test_write_slice ... ok
[INFO] [stdout] test storage::tests::test_too_large_write ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stdout] test storage::tests::test_empty_read_write_before_id ... ok
[INFO] [stdout] test storage::tests::test_send_sync ... ok
[INFO] [stdout] test storage::tests::test_reader_reuse ... ok
[INFO] [stdout] test tests::test_read_write ... ok
[INFO] [stdout] test tests::test_grow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bounds.rs (/opt/rustwide/target/debug/deps/bounds-3ecf30eff1590152)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test reader_id_bounds ... ok
[INFO] [stdout] test event_iterator_bounds ... ok
[INFO] [stdout] test event_channel_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/would_write.rs (/opt/rustwide/target/debug/deps/would_write-ac4179ce2e107e3e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shrev
[INFO] [stdout] running 4 tests
[INFO] [stdout] test naive_positive ... ok
[INFO] [stdout] test recreated ... ok
[INFO] [stdout] test naive_negative ... ok
[INFO] [stdout] test all_dropped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - EventChannel (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b01888baa873309d69fd64e1d4dd965556498f859d1b924c677d8065e39192a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01888baa873309d69fd64e1d4dd965556498f859d1b924c677d8065e39192a8", kill_on_drop: false }`
[INFO] [stdout] b01888baa873309d69fd64e1d4dd965556498f859d1b924c677d8065e39192a8