[INFO] fetching crate twiddle 1.1.0...
[INFO] testing twiddle-1.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate twiddle 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate twiddle 1.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twiddle 1.1.0
[INFO] finished tweaking crates.io crate twiddle 1.1.0
[INFO] tweaked toml for crates.io crate twiddle 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfa9adb589c7f28adf05fd99f85f5570d56c4a1ae125cfe8786dd28557b44f08
[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" "cfa9adb589c7f28adf05fd99f85f5570d56c4a1ae125cfe8786dd28557b44f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfa9adb589c7f28adf05fd99f85f5570d56c4a1ae125cfe8786dd28557b44f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa9adb589c7f28adf05fd99f85f5570d56c4a1ae125cfe8786dd28557b44f08", kill_on_drop: false }`
[INFO] [stdout] cfa9adb589c7f28adf05fd99f85f5570d56c4a1ae125cfe8786dd28557b44f08
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 9818916db6f964bfbb2cf968d52603a03818ab3008d9c3e66af7c04d4995b9fa
[INFO] running `Command { std: "docker" "start" "-a" "9818916db6f964bfbb2cf968d52603a03818ab3008d9c3e66af7c04d4995b9fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling twiddle v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "9818916db6f964bfbb2cf968d52603a03818ab3008d9c3e66af7c04d4995b9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9818916db6f964bfbb2cf968d52603a03818ab3008d9c3e66af7c04d4995b9fa", kill_on_drop: false }`
[INFO] [stdout] 9818916db6f964bfbb2cf968d52603a03818ab3008d9c3e66af7c04d4995b9fa
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] bb5389c0588da28bfc4b4abf2381742c19b1d461fe711d3fbfb868312d6c2bae
[INFO] running `Command { std: "docker" "start" "-a" "bb5389c0588da28bfc4b4abf2381742c19b1d461fe711d3fbfb868312d6c2bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling twiddle v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "bb5389c0588da28bfc4b4abf2381742c19b1d461fe711d3fbfb868312d6c2bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5389c0588da28bfc4b4abf2381742c19b1d461fe711d3fbfb868312d6c2bae", kill_on_drop: false }`
[INFO] [stdout] bb5389c0588da28bfc4b4abf2381742c19b1d461fe711d3fbfb868312d6c2bae
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0cd708fc181e2a8c1b71902c3ef91c00a1de1b99bdb5dd71a70d7ca1af5d0bb
[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" "c0cd708fc181e2a8c1b71902c3ef91c00a1de1b99bdb5dd71a70d7ca1af5d0bb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 21 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twiddle-0f9d10526eab5712)
[INFO] [stdout] test tests::bit ... ok
[INFO] [stdout] test tests::bits_bottom ... ok
[INFO] [stdout] test tests::replace_bottom ... ok
[INFO] [stdout] test tests::replace_full ... ok
[INFO] [stdout] test tests::replace_middle ... ok
[INFO] [stdout] test tests::bits_middle ... ok
[INFO] [stdout] test tests::mask_full ... ok
[INFO] [stdout] test tests::set_false_bit ... ok
[INFO] [stdout] test tests::replace_top ... ok
[INFO] [stdout] test tests::mask_bottom ... ok
[INFO] [stdout] test tests::mask_top ... ok
[INFO] [stdout] test tests::set_true_bit ... ok
[INFO] [stdout] test tests::mask_middle ... ok
[INFO] [stdout] test tests::unset_false_bit ... ok
[INFO] [stdout] test tests::bits_top ... ok
[INFO] [stdout] test tests::split ... ok
[INFO] [stdout] test tests::replace_overlong ... ok
[INFO] [stdout] test tests::bits_full ... ok
[INFO] [stdout] test tests::unset_true_bit ... ok
[INFO] [stderr]    Doc-tests twiddle
[INFO] [stdout] test tests::mask_reversed - should panic ... ok
[INFO] [stdout] test tests::mask_overflow - should panic ... 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 7 tests
[INFO] [stdout] test src/lib.rs - Twiddle::bit (line 72) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::mask (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::set_bit (line 96) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::bits (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::replace (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::split (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0cd708fc181e2a8c1b71902c3ef91c00a1de1b99bdb5dd71a70d7ca1af5d0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0cd708fc181e2a8c1b71902c3ef91c00a1de1b99bdb5dd71a70d7ca1af5d0bb", kill_on_drop: false }`
[INFO] [stdout] c0cd708fc181e2a8c1b71902c3ef91c00a1de1b99bdb5dd71a70d7ca1af5d0bb