[INFO] fetching crate rustcow 0.1.0...
[INFO] testing rustcow-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rustcow 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rustcow 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 rustcow 0.1.0
[INFO] finished tweaking crates.io crate rustcow 0.1.0
[INFO] tweaked toml for crates.io crate rustcow 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rustcow 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 610834563f09a820c0e7ddb2fc39be3337e4ab978aebc2cfe609d7297847bf3f
[INFO] running `Command { std: "docker" "start" "-a" "610834563f09a820c0e7ddb2fc39be3337e4ab978aebc2cfe609d7297847bf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "610834563f09a820c0e7ddb2fc39be3337e4ab978aebc2cfe609d7297847bf3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610834563f09a820c0e7ddb2fc39be3337e4ab978aebc2cfe609d7297847bf3f", kill_on_drop: false }`
[INFO] [stdout] 610834563f09a820c0e7ddb2fc39be3337e4ab978aebc2cfe609d7297847bf3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e687b74547868f50aa5c2c0bbfa03df13dedf35e02f75b227e5de7267a49c6cf
[INFO] running `Command { std: "docker" "start" "-a" "e687b74547868f50aa5c2c0bbfa03df13dedf35e02f75b227e5de7267a49c6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "e687b74547868f50aa5c2c0bbfa03df13dedf35e02f75b227e5de7267a49c6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e687b74547868f50aa5c2c0bbfa03df13dedf35e02f75b227e5de7267a49c6cf", kill_on_drop: false }`
[INFO] [stdout] e687b74547868f50aa5c2c0bbfa03df13dedf35e02f75b227e5de7267a49c6cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1547acf851235c0f00fff7d9b6251dc23c2f4eee635c80623b1df2814c6f6e
[INFO] running `Command { std: "docker" "start" "-a" "6c1547acf851235c0f00fff7d9b6251dc23c2f4eee635c80623b1df2814c6f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustcow-04968ba7ed6bb9d4)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rustcow-be034c1c5ee5c393)
[INFO] running `Command { std: "docker" "inspect" "6c1547acf851235c0f00fff7d9b6251dc23c2f4eee635c80623b1df2814c6f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1547acf851235c0f00fff7d9b6251dc23c2f4eee635c80623b1df2814c6f6e", kill_on_drop: false }`
[INFO] [stdout] 6c1547acf851235c0f00fff7d9b6251dc23c2f4eee635c80623b1df2814c6f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2974cbf7f0ea77b232c6d26dc5e42c1bbcec364687ee9e4c036159f64d986b27
[INFO] running `Command { std: "docker" "start" "-a" "2974cbf7f0ea77b232c6d26dc5e42c1bbcec364687ee9e4c036159f64d986b27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustcow-04968ba7ed6bb9d4)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustcow-be034c1c5ee5c393)
[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] [stderr]    Doc-tests rustcow
[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" "2974cbf7f0ea77b232c6d26dc5e42c1bbcec364687ee9e4c036159f64d986b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2974cbf7f0ea77b232c6d26dc5e42c1bbcec364687ee9e4c036159f64d986b27", kill_on_drop: false }`
[INFO] [stdout] 2974cbf7f0ea77b232c6d26dc5e42c1bbcec364687ee9e4c036159f64d986b27