[INFO] fetching crate serialxy 0.1.5...
[INFO] testing serialxy-0.1.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate serialxy 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate serialxy 0.1.5
[INFO] finished tweaking crates.io crate serialxy 0.1.5
[INFO] tweaked toml for crates.io crate serialxy 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialxy 0.1.5 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 serialxy 0.1.5 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded mio v0.8.4
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] [stderr]   Downloaded mio-serial v5.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 71739c46478585247277abf7cfd22e7676b8d7df87f8d1fc3e7aaf4661852f4c
[INFO] running `Command { std: "docker" "start" "-a" "71739c46478585247277abf7cfd22e7676b8d7df87f8d1fc3e7aaf4661852f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71739c46478585247277abf7cfd22e7676b8d7df87f8d1fc3e7aaf4661852f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71739c46478585247277abf7cfd22e7676b8d7df87f8d1fc3e7aaf4661852f4c", kill_on_drop: false }`
[INFO] [stdout] 71739c46478585247277abf7cfd22e7676b8d7df87f8d1fc3e7aaf4661852f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0d0f08c56eba98e300b39b6d7d5a2c7b288543aded4f7487b2bfbfecc941a353
[INFO] running `Command { std: "docker" "start" "-a" "0d0f08c56eba98e300b39b6d7d5a2c7b288543aded4f7487b2bfbfecc941a353", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling nix v0.24.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling serialport v4.2.0
[INFO] [stderr]    Compiling mio-serial v5.0.2
[INFO] [stderr]    Compiling serialxy v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "0d0f08c56eba98e300b39b6d7d5a2c7b288543aded4f7487b2bfbfecc941a353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0f08c56eba98e300b39b6d7d5a2c7b288543aded4f7487b2bfbfecc941a353", kill_on_drop: false }`
[INFO] [stdout] 0d0f08c56eba98e300b39b6d7d5a2c7b288543aded4f7487b2bfbfecc941a353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7b7043fdcaf8fc920db17d21723b77f6b829b05f738ef864fe14d390d530f835
[INFO] running `Command { std: "docker" "start" "-a" "7b7043fdcaf8fc920db17d21723b77f6b829b05f738ef864fe14d390d530f835", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialxy v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7b7043fdcaf8fc920db17d21723b77f6b829b05f738ef864fe14d390d530f835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7043fdcaf8fc920db17d21723b77f6b829b05f738ef864fe14d390d530f835", kill_on_drop: false }`
[INFO] [stdout] 7b7043fdcaf8fc920db17d21723b77f6b829b05f738ef864fe14d390d530f835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 946587cf0e62191f550dbf30aab7b429bb2a6c0d7bf73d362d17400152e3a036
[INFO] running `Command { std: "docker" "start" "-a" "946587cf0e62191f550dbf30aab7b429bb2a6c0d7bf73d362d17400152e3a036", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serialxy-81c3f56733391adb)
[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" "946587cf0e62191f550dbf30aab7b429bb2a6c0d7bf73d362d17400152e3a036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946587cf0e62191f550dbf30aab7b429bb2a6c0d7bf73d362d17400152e3a036", kill_on_drop: false }`
[INFO] [stdout] 946587cf0e62191f550dbf30aab7b429bb2a6c0d7bf73d362d17400152e3a036