[INFO] fetching crate cool 0.1.0...
[INFO] testing cool-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cool 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cool 0.1.0 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 cool 0.1.0
[INFO] finished tweaking crates.io crate cool 0.1.0
[INFO] tweaked toml for crates.io crate cool 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f6e0006d9565c74874f3e2b2e2ab9c9edc9454c35feff8dfea85b5626bf5a3
[INFO] running `Command { std: "docker" "start" "-a" "f4f6e0006d9565c74874f3e2b2e2ab9c9edc9454c35feff8dfea85b5626bf5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f6e0006d9565c74874f3e2b2e2ab9c9edc9454c35feff8dfea85b5626bf5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f6e0006d9565c74874f3e2b2e2ab9c9edc9454c35feff8dfea85b5626bf5a3", kill_on_drop: false }`
[INFO] [stdout] f4f6e0006d9565c74874f3e2b2e2ab9c9edc9454c35feff8dfea85b5626bf5a3
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61756be9f0aab5968a80712fd56f9707fa8893dd950fdfe19dffd91c4083cc60
[INFO] running `Command { std: "docker" "start" "-a" "61756be9f0aab5968a80712fd56f9707fa8893dd950fdfe19dffd91c4083cc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling cool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "61756be9f0aab5968a80712fd56f9707fa8893dd950fdfe19dffd91c4083cc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61756be9f0aab5968a80712fd56f9707fa8893dd950fdfe19dffd91c4083cc60", kill_on_drop: false }`
[INFO] [stdout] 61756be9f0aab5968a80712fd56f9707fa8893dd950fdfe19dffd91c4083cc60
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cebd07a721084178c0cb7b108a83174afd9c184cbd3aae9905fb75a726b97ea
[INFO] running `Command { std: "docker" "start" "-a" "4cebd07a721084178c0cb7b108a83174afd9c184cbd3aae9905fb75a726b97ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4cebd07a721084178c0cb7b108a83174afd9c184cbd3aae9905fb75a726b97ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cebd07a721084178c0cb7b108a83174afd9c184cbd3aae9905fb75a726b97ea", kill_on_drop: false }`
[INFO] [stdout] 4cebd07a721084178c0cb7b108a83174afd9c184cbd3aae9905fb75a726b97ea
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b69b5f82e2ed0e2c4b720c6f9196eb4b12b4f8500a6cad7a605a175e7b3464d4
[INFO] running `Command { std: "docker" "start" "-a" "b69b5f82e2ed0e2c4b720c6f9196eb4b12b4f8500a6cad7a605a175e7b3464d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cool-a77db5f02fd8e68d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cool
[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" "b69b5f82e2ed0e2c4b720c6f9196eb4b12b4f8500a6cad7a605a175e7b3464d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69b5f82e2ed0e2c4b720c6f9196eb4b12b4f8500a6cad7a605a175e7b3464d4", kill_on_drop: false }`
[INFO] [stdout] b69b5f82e2ed0e2c4b720c6f9196eb4b12b4f8500a6cad7a605a175e7b3464d4