[INFO] fetching crate cargo-ruspiro-push 0.1.1...
[INFO] testing cargo-ruspiro-push-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cargo-ruspiro-push 0.1.1 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate cargo-ruspiro-push 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ruspiro-push 0.1.1
[INFO] finished tweaking crates.io crate cargo-ruspiro-push 0.1.1
[INFO] tweaked toml for crates.io crate cargo-ruspiro-push 0.1.1 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate crates.io crate cargo-ruspiro-push 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b02d55d0f3624a25d5b0b5f5e729f8f96b177b420ebfa6793108a5818d968979
[INFO] running `Command { std: "docker" "start" "-a" "b02d55d0f3624a25d5b0b5f5e729f8f96b177b420ebfa6793108a5818d968979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02d55d0f3624a25d5b0b5f5e729f8f96b177b420ebfa6793108a5818d968979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02d55d0f3624a25d5b0b5f5e729f8f96b177b420ebfa6793108a5818d968979", kill_on_drop: false }`
[INFO] [stdout] b02d55d0f3624a25d5b0b5f5e729f8f96b177b420ebfa6793108a5818d968979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f941d2407a8862a386cd32572f5b0d3b5b0705b18b75ba9bc6b15b3326351b21
[INFO] running `Command { std: "docker" "start" "-a" "f941d2407a8862a386cd32572f5b0d3b5b0705b18b75ba9bc6b15b3326351b21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling cargo-ruspiro-push v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 161 | /     loop {
[INFO] [stdout] 162 | |         match port.read(&mut echo) {
[INFO] [stdout] 163 | |             Ok(_) => print!("{}", echo[0] as char),
[INFO] [stdout] 164 | |             Err(_) => (),
[INFO] [stdout] 165 | |         }
[INFO] [stdout] 166 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 167 | 
[INFO] [stdout] 168 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.31s
[INFO] running `Command { std: "docker" "inspect" "f941d2407a8862a386cd32572f5b0d3b5b0705b18b75ba9bc6b15b3326351b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f941d2407a8862a386cd32572f5b0d3b5b0705b18b75ba9bc6b15b3326351b21", kill_on_drop: false }`
[INFO] [stdout] f941d2407a8862a386cd32572f5b0d3b5b0705b18b75ba9bc6b15b3326351b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed2cfd4d4f437d3947ff24582827a3bbf8f3d87722e7a30e294092bb2ea0be2
[INFO] running `Command { std: "docker" "start" "-a" "9ed2cfd4d4f437d3947ff24582827a3bbf8f3d87722e7a30e294092bb2ea0be2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-ruspiro-push v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 161 | /     loop {
[INFO] [stdout] 162 | |         match port.read(&mut echo) {
[INFO] [stdout] 163 | |             Ok(_) => print!("{}", echo[0] as char),
[INFO] [stdout] 164 | |             Err(_) => (),
[INFO] [stdout] 165 | |         }
[INFO] [stdout] 166 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 167 | 
[INFO] [stdout] 168 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9ed2cfd4d4f437d3947ff24582827a3bbf8f3d87722e7a30e294092bb2ea0be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed2cfd4d4f437d3947ff24582827a3bbf8f3d87722e7a30e294092bb2ea0be2", kill_on_drop: false }`
[INFO] [stdout] 9ed2cfd4d4f437d3947ff24582827a3bbf8f3d87722e7a30e294092bb2ea0be2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6ebe865e97efc2aa7c82b8a49b099661325126821e581de767f04c3a645fcca
[INFO] running `Command { std: "docker" "start" "-a" "f6ebe865e97efc2aa7c82b8a49b099661325126821e581de767f04c3a645fcca", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     loop {
[INFO] [stderr] 162 | |         match port.read(&mut echo) {
[INFO] [stderr] 163 | |             Ok(_) => print!("{}", echo[0] as char),
[INFO] [stderr] 164 | |             Err(_) => (),
[INFO] [stderr] 165 | |         }
[INFO] [stderr] 166 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 167 | 
[INFO] [stderr] 168 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-ruspiro-push` (bin "cargo-ruspiro-push" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_ruspiro_push-10f5ccf10b03db90)
[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" "f6ebe865e97efc2aa7c82b8a49b099661325126821e581de767f04c3a645fcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ebe865e97efc2aa7c82b8a49b099661325126821e581de767f04c3a645fcca", kill_on_drop: false }`
[INFO] [stdout] f6ebe865e97efc2aa7c82b8a49b099661325126821e581de767f04c3a645fcca