[INFO] fetching crate bitutils 3.0.0...
[INFO] testing bitutils-3.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitutils 3.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitutils 3.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitutils 3.0.0
[INFO] finished tweaking crates.io crate bitutils 3.0.0
[INFO] tweaked toml for crates.io crate bitutils 3.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b973154be56bc4855786a8cd998877d1c4e68d02ddcee7f90aaf92104c545dd
[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" "5b973154be56bc4855786a8cd998877d1c4e68d02ddcee7f90aaf92104c545dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b973154be56bc4855786a8cd998877d1c4e68d02ddcee7f90aaf92104c545dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b973154be56bc4855786a8cd998877d1c4e68d02ddcee7f90aaf92104c545dd", kill_on_drop: false }`
[INFO] [stdout] 5b973154be56bc4855786a8cd998877d1c4e68d02ddcee7f90aaf92104c545dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2072b9da5fdd6d3e990fdeaa06d399a2495507649b5ddf06e7d2894c1bb19135
[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" "2072b9da5fdd6d3e990fdeaa06d399a2495507649b5ddf06e7d2894c1bb19135", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bf-impl v1.0.0
[INFO] [stderr]    Compiling bitutils v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "2072b9da5fdd6d3e990fdeaa06d399a2495507649b5ddf06e7d2894c1bb19135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2072b9da5fdd6d3e990fdeaa06d399a2495507649b5ddf06e7d2894c1bb19135", kill_on_drop: false }`
[INFO] [stdout] 2072b9da5fdd6d3e990fdeaa06d399a2495507649b5ddf06e7d2894c1bb19135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3caf73171867f86c434984f7fd794794fd259924151e8eaca9fb9b235b775c04
[INFO] running `Command { std: "docker" "start" "-a" "3caf73171867f86c434984f7fd794794fd259924151e8eaca9fb9b235b775c04", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitutils v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "3caf73171867f86c434984f7fd794794fd259924151e8eaca9fb9b235b775c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3caf73171867f86c434984f7fd794794fd259924151e8eaca9fb9b235b775c04", kill_on_drop: false }`
[INFO] [stdout] 3caf73171867f86c434984f7fd794794fd259924151e8eaca9fb9b235b775c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ae93ebe6f71fcf820402f9bdd394d88b3b531a0fafda91a6ec824529f9db418
[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" "4ae93ebe6f71fcf820402f9bdd394d88b3b531a0fafda91a6ec824529f9db418", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitutils-8c9fe485671f53f2
[INFO] [stdout] test test::bitfield ... ok
[INFO] [stdout] test test::bitfield_alias ... ok
[INFO] [stdout] test test::set_bitfield ... ok
[INFO] [stdout] test test::bitfield_formattable ... ok
[INFO] [stdout] test test::upd_bitfield ... ok
[INFO] [stderr]    Doc-tests bitutils
[INFO] [stdout] test test::bitfield_copyable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - sign_extend32 (line 5) ... ok
[INFO] [stdout] test src/lib.rs - bf (line 68) ... ok
[INFO] [stdout] test src/lib.rs - bit (line 36) ... ok
[INFO] [stdout] test src/lib.rs - bits (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ae93ebe6f71fcf820402f9bdd394d88b3b531a0fafda91a6ec824529f9db418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae93ebe6f71fcf820402f9bdd394d88b3b531a0fafda91a6ec824529f9db418", kill_on_drop: false }`
[INFO] [stdout] 4ae93ebe6f71fcf820402f9bdd394d88b3b531a0fafda91a6ec824529f9db418