[INFO] fetching crate monoid 0.0.5...
[INFO] testing monoid-0.0.5 against 1.45.2 for beta-1.46-1
[INFO] extracting crate monoid 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate monoid 0.0.5 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monoid 0.0.5
[INFO] finished tweaking crates.io crate monoid 0.0.5
[INFO] tweaked toml for crates.io crate monoid 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "+1.45.2" "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] bc0f1b29f32444c4954a120825a329196135e1ed82b1d8c6f7d7086ce3093714
[INFO] running `Command { std: "docker" "start" "-a" "bc0f1b29f32444c4954a120825a329196135e1ed82b1d8c6f7d7086ce3093714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc0f1b29f32444c4954a120825a329196135e1ed82b1d8c6f7d7086ce3093714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0f1b29f32444c4954a120825a329196135e1ed82b1d8c6f7d7086ce3093714", kill_on_drop: false }`
[INFO] [stdout] bc0f1b29f32444c4954a120825a329196135e1ed82b1d8c6f7d7086ce3093714
[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" "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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 375b9391a28ef240e529411cca3d223f6516fc0b6be2fbf274b8c844038f0529
[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" "375b9391a28ef240e529411cca3d223f6516fc0b6be2fbf274b8c844038f0529", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling monoid v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "375b9391a28ef240e529411cca3d223f6516fc0b6be2fbf274b8c844038f0529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375b9391a28ef240e529411cca3d223f6516fc0b6be2fbf274b8c844038f0529", kill_on_drop: false }`
[INFO] [stdout] 375b9391a28ef240e529411cca3d223f6516fc0b6be2fbf274b8c844038f0529
[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" "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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4df59d1544fd0e6f81b5acd98ddd50972fb6074f78f7c498152aa46e53198c9
[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" "a4df59d1544fd0e6f81b5acd98ddd50972fb6074f78f7c498152aa46e53198c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling monoid v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "a4df59d1544fd0e6f81b5acd98ddd50972fb6074f78f7c498152aa46e53198c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4df59d1544fd0e6f81b5acd98ddd50972fb6074f78f7c498152aa46e53198c9", kill_on_drop: false }`
[INFO] [stdout] a4df59d1544fd0e6f81b5acd98ddd50972fb6074f78f7c498152aa46e53198c9
[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" "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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 828006fe6b24f8fe3a9a1e9e2ec28d9fca40857bf738dd9414ac714ea8d84d47
[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" "828006fe6b24f8fe3a9a1e9e2ec28d9fca40857bf738dd9414ac714ea8d84d47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monoid-b8272f9af82391a0
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::both ... ok
[INFO] [stdout] test tests::left ... ok
[INFO] [stdout] test tests::none ... ok
[INFO] [stdout] test tests::right ... ok
[INFO] [stdout] test tests::string_append ... ok
[INFO] [stdout] test tests::cowstring_append ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monoid
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "828006fe6b24f8fe3a9a1e9e2ec28d9fca40857bf738dd9414ac714ea8d84d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828006fe6b24f8fe3a9a1e9e2ec28d9fca40857bf738dd9414ac714ea8d84d47", kill_on_drop: false }`
[INFO] [stdout] 828006fe6b24f8fe3a9a1e9e2ec28d9fca40857bf738dd9414ac714ea8d84d47