[INFO] fetching crate atomic_bitfield 0.1.0...
[INFO] testing atomic_bitfield-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate atomic_bitfield 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate atomic_bitfield 0.1.0 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 atomic_bitfield 0.1.0
[INFO] finished tweaking crates.io crate atomic_bitfield 0.1.0
[INFO] tweaked toml for crates.io crate atomic_bitfield 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cb53432ec3d7b4da964b452b192433ebdda1710f015342f812c26cc188a5c7b3
[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" "cb53432ec3d7b4da964b452b192433ebdda1710f015342f812c26cc188a5c7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb53432ec3d7b4da964b452b192433ebdda1710f015342f812c26cc188a5c7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb53432ec3d7b4da964b452b192433ebdda1710f015342f812c26cc188a5c7b3", kill_on_drop: false }`
[INFO] [stdout] cb53432ec3d7b4da964b452b192433ebdda1710f015342f812c26cc188a5c7b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bc6593e23fdc366f27ae180d4bc7979b3f95215757beaf14623e11bedc358dde
[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" "bc6593e23fdc366f27ae180d4bc7979b3f95215757beaf14623e11bedc358dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling atomic_bitfield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "bc6593e23fdc366f27ae180d4bc7979b3f95215757beaf14623e11bedc358dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6593e23fdc366f27ae180d4bc7979b3f95215757beaf14623e11bedc358dde", kill_on_drop: false }`
[INFO] [stdout] bc6593e23fdc366f27ae180d4bc7979b3f95215757beaf14623e11bedc358dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1246e804bc4d3c19b55a585fc48138b060ea3aa80376c0f3115f82397b80397e
[INFO] running `Command { std: "docker" "start" "-a" "1246e804bc4d3c19b55a585fc48138b060ea3aa80376c0f3115f82397b80397e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling atomic_bitfield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "1246e804bc4d3c19b55a585fc48138b060ea3aa80376c0f3115f82397b80397e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1246e804bc4d3c19b55a585fc48138b060ea3aa80376c0f3115f82397b80397e", kill_on_drop: false }`
[INFO] [stdout] 1246e804bc4d3c19b55a585fc48138b060ea3aa80376c0f3115f82397b80397e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dc34be1e3344a342387bb63a2bfdb236a77f9e8154ea089801a689c3b663540e
[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" "dc34be1e3344a342387bb63a2bfdb236a77f9e8154ea089801a689c3b663540e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/atomic_bitfield-b069a89f83c3d362)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test::bit_flip::i32 ... ok
[INFO] [stdout] test test::bit_flip::i16 ... ok
[INFO] [stdout] test test::bit_toggle::isize ... ok
[INFO] [stdout] test test::bit_toggle::i16 ... ok
[INFO] [stdout] test test::bit_flip::u16 ... ok
[INFO] [stdout] test test::bit_toggle::u8 ... ok
[INFO] [stdout] test test::bit_toggle::u16 ... ok
[INFO] [stdout] test test::bit_flip::i8 ... ok
[INFO] [stdout] test test::bit_flip::u32 ... ok
[INFO] [stdout] test test::bit_flip_64::i64 ... ok
[INFO] [stdout] test test::bit_flip::u8 ... ok
[INFO] [stdout] test test::bit_flip::isize ... ok
[INFO] [stdout] test test::bit_toggle::u32 ... ok
[INFO] [stdout] test test::bit_flip_64::u64 ... ok
[INFO] [stdout] test test::bit_toggle::usize ... ok
[INFO] [stdout] test test::bit_toggle::i8 ... ok
[INFO] [stdout] test test::bit_toggle::i32 ... ok
[INFO] [stdout] test test::test_bit_len ... ok
[INFO] [stdout] test test::bit_flip::usize ... ok
[INFO] [stdout] test test::bit_toggle_64::i64 ... ok
[INFO] [stderr]    Doc-tests atomic_bitfield
[INFO] [stdout] test test::bit_toggle_64::u64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc34be1e3344a342387bb63a2bfdb236a77f9e8154ea089801a689c3b663540e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc34be1e3344a342387bb63a2bfdb236a77f9e8154ea089801a689c3b663540e", kill_on_drop: false }`
[INFO] [stdout] dc34be1e3344a342387bb63a2bfdb236a77f9e8154ea089801a689c3b663540e