[INFO] fetching crate gcmodule 0.3.3...
[INFO] testing gcmodule-0.3.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gcmodule 0.3.3 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate gcmodule 0.3.3 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 gcmodule 0.3.3
[INFO] finished tweaking crates.io crate gcmodule 0.3.3
[INFO] tweaked toml for crates.io crate gcmodule 0.3.3 written to /workspace/builds/worker-33/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded gcmodule_derive v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] e286d7d53f3405ab0443b921b50cd1e8dd11eb4bf1bd7dddb6e55a37b6919f5e
[INFO] running `Command { std: "docker" "start" "-a" "e286d7d53f3405ab0443b921b50cd1e8dd11eb4bf1bd7dddb6e55a37b6919f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e286d7d53f3405ab0443b921b50cd1e8dd11eb4bf1bd7dddb6e55a37b6919f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e286d7d53f3405ab0443b921b50cd1e8dd11eb4bf1bd7dddb6e55a37b6919f5e", kill_on_drop: false }`
[INFO] [stdout] e286d7d53f3405ab0443b921b50cd1e8dd11eb4bf1bd7dddb6e55a37b6919f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] a1ad4fdde5ddae1a176efafa5e357e10f1e0e6039dd99d346096b4b3febcbbe7
[INFO] running `Command { std: "docker" "start" "-a" "a1ad4fdde5ddae1a176efafa5e357e10f1e0e6039dd99d346096b4b3febcbbe7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling gcmodule_derive v0.3.3
[INFO] [stderr]    Compiling gcmodule v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.07s
[INFO] running `Command { std: "docker" "inspect" "a1ad4fdde5ddae1a176efafa5e357e10f1e0e6039dd99d346096b4b3febcbbe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ad4fdde5ddae1a176efafa5e357e10f1e0e6039dd99d346096b4b3febcbbe7", kill_on_drop: false }`
[INFO] [stdout] a1ad4fdde5ddae1a176efafa5e357e10f1e0e6039dd99d346096b4b3febcbbe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] b5ad6b0ac161176758af4b70d92c97a5e36e5c26c84a7cb6f25cc63ede830479
[INFO] running `Command { std: "docker" "start" "-a" "b5ad6b0ac161176758af4b70d92c97a5e36e5c26c84a7cb6f25cc63ede830479", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling gcmodule v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "b5ad6b0ac161176758af4b70d92c97a5e36e5c26c84a7cb6f25cc63ede830479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ad6b0ac161176758af4b70d92c97a5e36e5c26c84a7cb6f25cc63ede830479", kill_on_drop: false }`
[INFO] [stdout] b5ad6b0ac161176758af4b70d92c97a5e36e5c26c84a7cb6f25cc63ede830479
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 902e15c1d3f5a5592b3341cdf156b067bf805d9478300b4197c44c8c1bc98f10
[INFO] running `Command { std: "docker" "start" "-a" "902e15c1d3f5a5592b3341cdf156b067bf805d9478300b4197c44c8c1bc98f10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gcmodule-f5a5c62b37820cfb)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test cc::tests::test_gc_header_value ... ok
[INFO] [stdout] test tests::test_2_object_cycle_with_another_incoming_reference ... ok
[INFO] [stdout] test sync::tests::test_2_thread_cycle ... ok
[INFO] [stdout] test tests::test_3_object_cycle ... ok
[INFO] [stdout] test tests::test_2_object_cycle_with_another_outgoing_reference ... ok
[INFO] [stdout] test tests::test_collect_multi_times ... ok
[INFO] [stdout] test tests::test_drop_by_ref_count ... ok
[INFO] [stdout] test tests::test_simple_cycles ... ok
[INFO] [stdout] test tests::test_self_referential ... ok
[INFO] [stdout] test tests::test_simple_mixed_graph ... ok
[INFO] [stdout] test tests::test_simple_untracked ... ok
[INFO] [stdout] test tests::test_simple_non_trait_cycles ... ok
[INFO] [stdout] test tests::test_simple_tracked ... ok
[INFO] [stdout] test tests::test_update_with ... ok
[INFO] [stdout] test trace_impls::tests::test_is_type_tracked ... ok
[INFO] [stdout] test trace_impls::tests::test_is_cyclic_type_tracked ... ok
[INFO] [stdout] test sync::tests::test_17_thread_cycle ... ok
[INFO] [stdout] test sync::tests::test_racy_threads_mixed_collects ... ok
[INFO] [stdout] test tests::test_quickcheck_16_vertex_graph ... ok
[INFO] [stdout] test tests::test_trace_impl_double_visits ... ok
[INFO] [stdout] test sync::tests::test_100_thread_cycle ... ok
[INFO] [stdout] test sync::tests::test_racy_threads_drops ... ok
[INFO] [stdout] test sync::tests::test_racy_threads_collects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gcmodule
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/sync/collect.rs - sync::collect::ThreadedObjectSpace::create (line 167) - compile fail ... ok
[INFO] [stdout] test src/cc.rs - cc::Cc (line 68) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Trace (line 270) ... ok
[INFO] [stdout] test src/lib.rs - (line 137) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/collect.rs - collect::ObjectSpace (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "902e15c1d3f5a5592b3341cdf156b067bf805d9478300b4197c44c8c1bc98f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902e15c1d3f5a5592b3341cdf156b067bf805d9478300b4197c44c8c1bc98f10", kill_on_drop: false }`
[INFO] [stdout] 902e15c1d3f5a5592b3341cdf156b067bf805d9478300b4197c44c8c1bc98f10