[INFO] fetching crate serial2-async-std 0.0.0...
[INFO] testing serial2-async-std-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate serial2-async-std 0.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate serial2-async-std 0.0.0
[INFO] finished tweaking crates.io crate serial2-async-std 0.0.0
[INFO] tweaked toml for crates.io crate serial2-async-std 0.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial2-async-std 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7c83713c5e45aec4cd4dc539b4c4fabea2f03fedc07f2c2ef67894c2c7a59d09
[INFO] running `Command { std: "docker" "start" "-a" "7c83713c5e45aec4cd4dc539b4c4fabea2f03fedc07f2c2ef67894c2c7a59d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c83713c5e45aec4cd4dc539b4c4fabea2f03fedc07f2c2ef67894c2c7a59d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c83713c5e45aec4cd4dc539b4c4fabea2f03fedc07f2c2ef67894c2c7a59d09", kill_on_drop: false }`
[INFO] [stdout] 7c83713c5e45aec4cd4dc539b4c4fabea2f03fedc07f2c2ef67894c2c7a59d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5c4bb6efda3fab810090b59ac63a9c59e32ffa470b75eaf284728519ac60f2c7
[INFO] running `Command { std: "docker" "start" "-a" "5c4bb6efda3fab810090b59ac63a9c59e32ffa470b75eaf284728519ac60f2c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2-async-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5c4bb6efda3fab810090b59ac63a9c59e32ffa470b75eaf284728519ac60f2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4bb6efda3fab810090b59ac63a9c59e32ffa470b75eaf284728519ac60f2c7", kill_on_drop: false }`
[INFO] [stdout] 5c4bb6efda3fab810090b59ac63a9c59e32ffa470b75eaf284728519ac60f2c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 89579a82a450108eac5df06e40d4a37999815844c3d7d157651f7fec5bfeb570
[INFO] running `Command { std: "docker" "start" "-a" "89579a82a450108eac5df06e40d4a37999815844c3d7d157651f7fec5bfeb570", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2-async-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "89579a82a450108eac5df06e40d4a37999815844c3d7d157651f7fec5bfeb570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89579a82a450108eac5df06e40d4a37999815844c3d7d157651f7fec5bfeb570", kill_on_drop: false }`
[INFO] [stdout] 89579a82a450108eac5df06e40d4a37999815844c3d7d157651f7fec5bfeb570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dde43ac927412f52141b9419bbfc76d58895b9074772f954b9e63c08fa85350b
[INFO] running `Command { std: "docker" "start" "-a" "dde43ac927412f52141b9419bbfc76d58895b9074772f954b9e63c08fa85350b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial2_async_std-75282b5ac20aa72a)
[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 serial2_async_std
[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" "dde43ac927412f52141b9419bbfc76d58895b9074772f954b9e63c08fa85350b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde43ac927412f52141b9419bbfc76d58895b9074772f954b9e63c08fa85350b", kill_on_drop: false }`
[INFO] [stdout] dde43ac927412f52141b9419bbfc76d58895b9074772f954b9e63c08fa85350b