[INFO] fetching crate twiddle 1.1.0...
[INFO] testing twiddle-1.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate twiddle 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate twiddle 1.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] fe807c8919ae904002ee6ff25ad69d45568f519d43a4f474815aa7b4fa202e7d
[INFO] running `Command { std: "docker" "start" "-a" "fe807c8919ae904002ee6ff25ad69d45568f519d43a4f474815aa7b4fa202e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe807c8919ae904002ee6ff25ad69d45568f519d43a4f474815aa7b4fa202e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe807c8919ae904002ee6ff25ad69d45568f519d43a4f474815aa7b4fa202e7d", kill_on_drop: false }`
[INFO] [stdout] fe807c8919ae904002ee6ff25ad69d45568f519d43a4f474815aa7b4fa202e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f3128cfdfc39bf1e2f115474b37775633b4d5efc0277d784b2f84b98d093bafc
[INFO] running `Command { std: "docker" "start" "-a" "f3128cfdfc39bf1e2f115474b37775633b4d5efc0277d784b2f84b98d093bafc", kill_on_drop: false }`
[INFO] [stderr]    Compiling twiddle v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f3128cfdfc39bf1e2f115474b37775633b4d5efc0277d784b2f84b98d093bafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3128cfdfc39bf1e2f115474b37775633b4d5efc0277d784b2f84b98d093bafc", kill_on_drop: false }`
[INFO] [stdout] f3128cfdfc39bf1e2f115474b37775633b4d5efc0277d784b2f84b98d093bafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09116c1c97b5a2eeff5a1b7f249484aa8064b966c205da50400ef3d9ef0b6a5d
[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" "09116c1c97b5a2eeff5a1b7f249484aa8064b966c205da50400ef3d9ef0b6a5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling twiddle v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "09116c1c97b5a2eeff5a1b7f249484aa8064b966c205da50400ef3d9ef0b6a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09116c1c97b5a2eeff5a1b7f249484aa8064b966c205da50400ef3d9ef0b6a5d", kill_on_drop: false }`
[INFO] [stdout] 09116c1c97b5a2eeff5a1b7f249484aa8064b966c205da50400ef3d9ef0b6a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83ccea052f32360a8ce0a55bbec2cbd1071c1fd3f64ad13c25f5cbac2d30f0aa
[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" "83ccea052f32360a8ce0a55bbec2cbd1071c1fd3f64ad13c25f5cbac2d30f0aa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/twiddle-a4740321e8b32296
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tests::bits_bottom ... ok
[INFO] [stdout] test tests::bits_full ... ok
[INFO] [stdout] test tests::bit ... ok
[INFO] [stdout] test tests::bits_middle ... ok
[INFO] [stdout] test tests::mask_middle ... ok
[INFO] [stdout] test tests::replace_full ... ok
[INFO] [stdout] test tests::replace_middle ... ok
[INFO] [stdout] test tests::set_false_bit ... ok
[INFO] [stdout] test tests::mask_top ... ok
[INFO] [stdout] test tests::replace_bottom ... ok
[INFO] [stdout] test tests::mask_bottom ... ok
[INFO] [stdout] test tests::replace_overlong ... ok
[INFO] [stdout] test tests::replace_top ... ok
[INFO] [stdout] test tests::split ... ok
[INFO] [stdout] test tests::unset_false_bit ... ok
[INFO] [stdout] test tests::unset_true_bit ... ok
[INFO] [stdout] test tests::bits_top ... ok
[INFO] [stdout] test tests::mask_full ... ok
[INFO] [stdout] test tests::set_true_bit ... ok
[INFO] [stdout] test tests::mask_reversed ... ok
[INFO] [stdout] test tests::mask_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twiddle
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Twiddle::bits (line 85) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::mask (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::replace (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::bit (line 72) ... ok
[INFO] [stdout] test src/lib.rs - Twiddle::set_bit (line 96) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83ccea052f32360a8ce0a55bbec2cbd1071c1fd3f64ad13c25f5cbac2d30f0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ccea052f32360a8ce0a55bbec2cbd1071c1fd3f64ad13c25f5cbac2d30f0aa", kill_on_drop: false }`
[INFO] [stdout] 83ccea052f32360a8ce0a55bbec2cbd1071c1fd3f64ad13c25f5cbac2d30f0aa