[INFO] fetching crate quack 0.1.0...
[INFO] testing quack-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate quack 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate quack 0.1.0
[INFO] finished tweaking crates.io crate quack 0.1.0
[INFO] tweaked toml for crates.io crate quack 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quack 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quack 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1152c7af55474286a49e2e4f0cc25bb54d458bf52cb64bdbee5fe48e55de6284
[INFO] running `Command { std: "docker" "start" "-a" "1152c7af55474286a49e2e4f0cc25bb54d458bf52cb64bdbee5fe48e55de6284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1152c7af55474286a49e2e4f0cc25bb54d458bf52cb64bdbee5fe48e55de6284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1152c7af55474286a49e2e4f0cc25bb54d458bf52cb64bdbee5fe48e55de6284", kill_on_drop: false }`
[INFO] [stdout] 1152c7af55474286a49e2e4f0cc25bb54d458bf52cb64bdbee5fe48e55de6284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb1a01eb5aa874b8dc1db79fce0c6fa656d71de9f001b38ef534f7308122cd2
[INFO] running `Command { std: "docker" "start" "-a" "5fb1a01eb5aa874b8dc1db79fce0c6fa656d71de9f001b38ef534f7308122cd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling quack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "5fb1a01eb5aa874b8dc1db79fce0c6fa656d71de9f001b38ef534f7308122cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb1a01eb5aa874b8dc1db79fce0c6fa656d71de9f001b38ef534f7308122cd2", kill_on_drop: false }`
[INFO] [stdout] 5fb1a01eb5aa874b8dc1db79fce0c6fa656d71de9f001b38ef534f7308122cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7475648f462b9ff102497f928e94ed89e84a021b825f0314729a50ab4f2ee9b
[INFO] running `Command { std: "docker" "start" "-a" "b7475648f462b9ff102497f928e94ed89e84a021b825f0314729a50ab4f2ee9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling quack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "b7475648f462b9ff102497f928e94ed89e84a021b825f0314729a50ab4f2ee9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7475648f462b9ff102497f928e94ed89e84a021b825f0314729a50ab4f2ee9b", kill_on_drop: false }`
[INFO] [stdout] b7475648f462b9ff102497f928e94ed89e84a021b825f0314729a50ab4f2ee9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e97f8f8eab7b14593cd74e4f4c3bffd38746f2b1d90b6e996536841c54caf80d
[INFO] running `Command { std: "docker" "start" "-a" "e97f8f8eab7b14593cd74e4f4c3bffd38746f2b1d90b6e996536841c54caf80d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/quack-af85b512a4cdac7d)
[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 quack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e97f8f8eab7b14593cd74e4f4c3bffd38746f2b1d90b6e996536841c54caf80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97f8f8eab7b14593cd74e4f4c3bffd38746f2b1d90b6e996536841c54caf80d", kill_on_drop: false }`
[INFO] [stdout] e97f8f8eab7b14593cd74e4f4c3bffd38746f2b1d90b6e996536841c54caf80d