[INFO] fetching crate cuco 0.1.3...
[INFO] testing cuco-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cuco 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cuco 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuco 0.1.3
[INFO] finished tweaking crates.io crate cuco 0.1.3
[INFO] tweaked toml for crates.io crate cuco 0.1.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate cuco 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c6cdd55a3e00f790ab5c556d3f0c50c1bdabc7777f6ae6fa7e4d0219e549bbf
[INFO] running `Command { std: "docker" "start" "-a" "7c6cdd55a3e00f790ab5c556d3f0c50c1bdabc7777f6ae6fa7e4d0219e549bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6cdd55a3e00f790ab5c556d3f0c50c1bdabc7777f6ae6fa7e4d0219e549bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6cdd55a3e00f790ab5c556d3f0c50c1bdabc7777f6ae6fa7e4d0219e549bbf", kill_on_drop: false }`
[INFO] [stdout] 7c6cdd55a3e00f790ab5c556d3f0c50c1bdabc7777f6ae6fa7e4d0219e549bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c741cf210e2346f60fad28b36f1d2bab50c6344d394934398c5a834d33d037bc
[INFO] running `Command { std: "docker" "start" "-a" "c741cf210e2346f60fad28b36f1d2bab50c6344d394934398c5a834d33d037bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cuco v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "c741cf210e2346f60fad28b36f1d2bab50c6344d394934398c5a834d33d037bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c741cf210e2346f60fad28b36f1d2bab50c6344d394934398c5a834d33d037bc", kill_on_drop: false }`
[INFO] [stdout] c741cf210e2346f60fad28b36f1d2bab50c6344d394934398c5a834d33d037bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 466b7d3da6fb433147769665151304fc734f10ef6dc730b42769331506dd5a5a
[INFO] running `Command { std: "docker" "start" "-a" "466b7d3da6fb433147769665151304fc734f10ef6dc730b42769331506dd5a5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cuco v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "466b7d3da6fb433147769665151304fc734f10ef6dc730b42769331506dd5a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466b7d3da6fb433147769665151304fc734f10ef6dc730b42769331506dd5a5a", kill_on_drop: false }`
[INFO] [stdout] 466b7d3da6fb433147769665151304fc734f10ef6dc730b42769331506dd5a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c575dec22cbb648bf6e1eee301ce920a4d6bb1dc7e78b11f39f532c122b6fcad
[INFO] running `Command { std: "docker" "start" "-a" "c575dec22cbb648bf6e1eee301ce920a4d6bb1dc7e78b11f39f532c122b6fcad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cuco-b3d59c684e229950)
[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" "c575dec22cbb648bf6e1eee301ce920a4d6bb1dc7e78b11f39f532c122b6fcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c575dec22cbb648bf6e1eee301ce920a4d6bb1dc7e78b11f39f532c122b6fcad", kill_on_drop: false }`
[INFO] [stdout] c575dec22cbb648bf6e1eee301ce920a4d6bb1dc7e78b11f39f532c122b6fcad