[INFO] fetching crate screw 0.1.0...
[INFO] testing screw-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate screw 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate screw 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate screw 0.1.0
[INFO] finished tweaking crates.io crate screw 0.1.0
[INFO] tweaked toml for crates.io crate screw 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate screw 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 220cbe123674c54d785d30736c6b2e3f4274036fb3ca7cac4b37775a58fc71e6
[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" "220cbe123674c54d785d30736c6b2e3f4274036fb3ca7cac4b37775a58fc71e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "220cbe123674c54d785d30736c6b2e3f4274036fb3ca7cac4b37775a58fc71e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220cbe123674c54d785d30736c6b2e3f4274036fb3ca7cac4b37775a58fc71e6", kill_on_drop: false }`
[INFO] [stdout] 220cbe123674c54d785d30736c6b2e3f4274036fb3ca7cac4b37775a58fc71e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c018fea192c87571040e8669df669c5a21a2b42dbf2dbde1de5665e4a27d6d
[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" "60c018fea192c87571040e8669df669c5a21a2b42dbf2dbde1de5665e4a27d6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling screw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "60c018fea192c87571040e8669df669c5a21a2b42dbf2dbde1de5665e4a27d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c018fea192c87571040e8669df669c5a21a2b42dbf2dbde1de5665e4a27d6d", kill_on_drop: false }`
[INFO] [stdout] 60c018fea192c87571040e8669df669c5a21a2b42dbf2dbde1de5665e4a27d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 3fd103ea4876cae2f9b44c66d267042a136a1504f1178d955012dd01cc83027c
[INFO] running `Command { std: "docker" "start" "-a" "3fd103ea4876cae2f9b44c66d267042a136a1504f1178d955012dd01cc83027c", kill_on_drop: false }`
[INFO] [stderr]    Compiling screw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/screw-ec7be80d49798b92)
[INFO] running `Command { std: "docker" "inspect" "3fd103ea4876cae2f9b44c66d267042a136a1504f1178d955012dd01cc83027c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd103ea4876cae2f9b44c66d267042a136a1504f1178d955012dd01cc83027c", kill_on_drop: false }`
[INFO] [stdout] 3fd103ea4876cae2f9b44c66d267042a136a1504f1178d955012dd01cc83027c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c49fa760c7fb2a6eefddfe01eaf0ed87a6abeeb3b31eac50af1d17f719989dc9
[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" "c49fa760c7fb2a6eefddfe01eaf0ed87a6abeeb3b31eac50af1d17f719989dc9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/screw-ec7be80d49798b92)
[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" "c49fa760c7fb2a6eefddfe01eaf0ed87a6abeeb3b31eac50af1d17f719989dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49fa760c7fb2a6eefddfe01eaf0ed87a6abeeb3b31eac50af1d17f719989dc9", kill_on_drop: false }`
[INFO] [stdout] c49fa760c7fb2a6eefddfe01eaf0ed87a6abeeb3b31eac50af1d17f719989dc9