[INFO] fetching crate internment 0.5.4...
[INFO] testing internment-0.5.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate internment 0.5.4 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate internment 0.5.4 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 internment 0.5.4
[INFO] finished tweaking crates.io crate internment 0.5.4
[INFO] tweaked toml for crates.io crate internment 0.5.4 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate crates.io crate internment 0.5.4 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scaling v0.1.3
[INFO] [stderr]   Downloaded tinyset v0.4.4
[INFO] [stderr]   Downloaded arc-interner v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 07cf2f7344dcf887803445b11a52dc2912c5213ac78294affab17b6720b96bd5
[INFO] running `Command { std: "docker" "start" "-a" "07cf2f7344dcf887803445b11a52dc2912c5213ac78294affab17b6720b96bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07cf2f7344dcf887803445b11a52dc2912c5213ac78294affab17b6720b96bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cf2f7344dcf887803445b11a52dc2912c5213ac78294affab17b6720b96bd5", kill_on_drop: false }`
[INFO] [stdout] 07cf2f7344dcf887803445b11a52dc2912c5213ac78294affab17b6720b96bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 3b0e93a8cbddffd9130c9a17c08ec058095ccbea20772daef01515d80327b0df
[INFO] running `Command { std: "docker" "start" "-a" "3b0e93a8cbddffd9130c9a17c08ec058095ccbea20772daef01515d80327b0df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling internment v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "3b0e93a8cbddffd9130c9a17c08ec058095ccbea20772daef01515d80327b0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0e93a8cbddffd9130c9a17c08ec058095ccbea20772daef01515d80327b0df", kill_on_drop: false }`
[INFO] [stdout] 3b0e93a8cbddffd9130c9a17c08ec058095ccbea20772daef01515d80327b0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 4d5e224c3d1299dfe6968a310fbb51b47c7399b410fd88e4d85bdd8fa42350cf
[INFO] running `Command { std: "docker" "start" "-a" "4d5e224c3d1299dfe6968a310fbb51b47c7399b410fd88e4d85bdd8fa42350cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling scaling v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling internment v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "4d5e224c3d1299dfe6968a310fbb51b47c7399b410fd88e4d85bdd8fa42350cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5e224c3d1299dfe6968a310fbb51b47c7399b410fd88e4d85bdd8fa42350cf", kill_on_drop: false }`
[INFO] [stdout] 4d5e224c3d1299dfe6968a310fbb51b47c7399b410fd88e4d85bdd8fa42350cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 90c9c213b7102b691fe985251b59de3e37d97b8fbe2e666a3d36456b6109d11d
[INFO] running `Command { std: "docker" "start" "-a" "90c9c213b7102b691fe985251b59de3e37d97b8fbe2e666a3d36456b6109d11d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/internment-e459a616b7ef5c2f)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test has_niche ... ok
[INFO] [stdout] test intern_impl_tests::can_clone ... ok
[INFO] [stdout] test intern_impl_tests::display ... ok
[INFO] [stdout] test intern_impl_tests::eq_string ... ok
[INFO] [stdout] test intern_impl_tests::has_borrow ... ok
[INFO] [stdout] test intern_impl_tests::debug ... ok
[INFO] [stdout] test like_doctest_intern ... ok
[INFO] [stdout] test localintern_impl_tests::display ... ok
[INFO] [stdout] test like_doctest_localintern ... ok
[INFO] [stdout] test localintern_impl_tests::can_clone ... ok
[INFO] [stdout] test localintern_impl_tests::eq_string ... ok
[INFO] [stdout] test localintern_impl_tests::has_borrow ... ok
[INFO] [stdout] test test_intern_num_objects ... ok
[INFO] [stdout] test test_localintern_num_objects ... ok
[INFO] [stdout] test localintern_impl_tests::debug ... ok
[INFO] [stdout] test localintern_impl_tests::has_default ... ok
[INFO] [stdout] test intern_impl_tests::has_default ... ok
[INFO] [stdout] test intern_impl_tests::has_deref ... ok
[INFO] [stdout] test localintern_impl_tests::has_deref ... ok
[INFO] [stdout] test multithreading_intern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.71s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests internment
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - LocalIntern (line 904) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - LocalIntern (line 916) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90c9c213b7102b691fe985251b59de3e37d97b8fbe2e666a3d36456b6109d11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c9c213b7102b691fe985251b59de3e37d97b8fbe2e666a3d36456b6109d11d", kill_on_drop: false }`
[INFO] [stdout] 90c9c213b7102b691fe985251b59de3e37d97b8fbe2e666a3d36456b6109d11d