[INFO] fetching crate bit 0.1.1...
[INFO] testing bit-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bit 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bit 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit 0.1.1
[INFO] finished tweaking crates.io crate bit 0.1.1
[INFO] tweaked toml for crates.io crate bit 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04932a014a91d5e10fa29769ddeeb0ab46575e8b76a9186b89c6fd99b950a5d2
[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" "04932a014a91d5e10fa29769ddeeb0ab46575e8b76a9186b89c6fd99b950a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04932a014a91d5e10fa29769ddeeb0ab46575e8b76a9186b89c6fd99b950a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04932a014a91d5e10fa29769ddeeb0ab46575e8b76a9186b89c6fd99b950a5d2", kill_on_drop: false }`
[INFO] [stdout] 04932a014a91d5e10fa29769ddeeb0ab46575e8b76a9186b89c6fd99b950a5d2
[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" "+beta-2021-01-01" "build" "--frozen" "--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] a02bbb8e755e56eb623e6fba5cac323df410d4b034ca75a5b93bb024b1b5f531
[INFO] running `Command { std: "docker" "start" "-a" "a02bbb8e755e56eb623e6fba5cac323df410d4b034ca75a5b93bb024b1b5f531", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "a02bbb8e755e56eb623e6fba5cac323df410d4b034ca75a5b93bb024b1b5f531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02bbb8e755e56eb623e6fba5cac323df410d4b034ca75a5b93bb024b1b5f531", kill_on_drop: false }`
[INFO] [stdout] a02bbb8e755e56eb623e6fba5cac323df410d4b034ca75a5b93bb024b1b5f531
[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" "+beta-2021-01-01" "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] 1fe8a37f697bc698b12c580d27a023c7d91d240eefd52bde73ed16c95a34388c
[INFO] running `Command { std: "docker" "start" "-a" "1fe8a37f697bc698b12c580d27a023c7d91d240eefd52bde73ed16c95a34388c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "1fe8a37f697bc698b12c580d27a023c7d91d240eefd52bde73ed16c95a34388c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe8a37f697bc698b12c580d27a023c7d91d240eefd52bde73ed16c95a34388c", kill_on_drop: false }`
[INFO] [stdout] 1fe8a37f697bc698b12c580d27a023c7d91d240eefd52bde73ed16c95a34388c
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 557df71e74b813ba24ba4a18ad7f24d6815d67fb0243d9d655de9abd37d9f83d
[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" "557df71e74b813ba24ba4a18ad7f24d6815d67fb0243d9d655de9abd37d9f83d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bit-eccb62e8e81b3fce
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::set_bit_range ... ok
[INFO] [stdout] test tests::set_bit ... ok
[INFO] [stdout] test tests::bit ... ok
[INFO] [stdout] test tests::bit_range ... ok
[INFO] [stdout] test tests::bit_panic ... ok
[INFO] [stdout] test tests::bit_range_panic ... ok
[INFO] [stderr]    Doc-tests bit
[INFO] [stdout] test tests::set_bit_range_bounds_panic ... ok
[INFO] [stdout] test tests::set_bit_panic ... ok
[INFO] [stdout] test tests::set_bit_value_length_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "557df71e74b813ba24ba4a18ad7f24d6815d67fb0243d9d655de9abd37d9f83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "557df71e74b813ba24ba4a18ad7f24d6815d67fb0243d9d655de9abd37d9f83d", kill_on_drop: false }`
[INFO] [stdout] 557df71e74b813ba24ba4a18ad7f24d6815d67fb0243d9d655de9abd37d9f83d