[INFO] cloning repository https://github.com/RusPiRo/ruspiro-push
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RusPiRo/ruspiro-push" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-push", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-push'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fbc49f4f9b571b6cc2f333609940019fd37f3d8
[INFO] testing RusPiRo/ruspiro-push against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-push" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RusPiRo/ruspiro-push on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RusPiRo/ruspiro-push
[INFO] finished tweaking git repo https://github.com/RusPiRo/ruspiro-push
[INFO] tweaked toml for git repo https://github.com/RusPiRo/ruspiro-push written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/RusPiRo/ruspiro-push already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba1486b5eab5a49032d7fcd3e4ef1d36bfc9583377e9d5672808d25450400fd9
[INFO] running `Command { std: "docker" "start" "-a" "ba1486b5eab5a49032d7fcd3e4ef1d36bfc9583377e9d5672808d25450400fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba1486b5eab5a49032d7fcd3e4ef1d36bfc9583377e9d5672808d25450400fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1486b5eab5a49032d7fcd3e4ef1d36bfc9583377e9d5672808d25450400fd9", kill_on_drop: false }`
[INFO] [stdout] ba1486b5eab5a49032d7fcd3e4ef1d36bfc9583377e9d5672808d25450400fd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f59d649190534f15e5f1d7b735a4344dc1c015d7a2f9a0aa21f342b507a3bcc1
[INFO] running `Command { std: "docker" "start" "-a" "f59d649190534f15e5f1d7b735a4344dc1c015d7a2f9a0aa21f342b507a3bcc1", 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 strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[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:175:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | /     loop {
[INFO] [stdout] 169 | |         match port.read_exact(&mut echo) {
[INFO] [stdout] 170 | |             Ok(_) => { print!("{}", echo[0] as char); io::stdout().flush()?; },
[INFO] [stdout] 171 | |             Err(_) => (),
[INFO] [stdout] 172 | |         }
[INFO] [stdout] 173 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 174 | 
[INFO] [stdout] 175 |       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 18.60s
[INFO] running `Command { std: "docker" "inspect" "f59d649190534f15e5f1d7b735a4344dc1c015d7a2f9a0aa21f342b507a3bcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59d649190534f15e5f1d7b735a4344dc1c015d7a2f9a0aa21f342b507a3bcc1", kill_on_drop: false }`
[INFO] [stdout] f59d649190534f15e5f1d7b735a4344dc1c015d7a2f9a0aa21f342b507a3bcc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3743dca367e2f270373c698402bf3e19a2ade3a0b5a975bde5435b63e41342
[INFO] running `Command { std: "docker" "start" "-a" "6a3743dca367e2f270373c698402bf3e19a2ade3a0b5a975bde5435b63e41342", 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:175:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | /     loop {
[INFO] [stdout] 169 | |         match port.read_exact(&mut echo) {
[INFO] [stdout] 170 | |             Ok(_) => { print!("{}", echo[0] as char); io::stdout().flush()?; },
[INFO] [stdout] 171 | |             Err(_) => (),
[INFO] [stdout] 172 | |         }
[INFO] [stdout] 173 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 174 | 
[INFO] [stdout] 175 |       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 0.41s
[INFO] running `Command { std: "docker" "inspect" "6a3743dca367e2f270373c698402bf3e19a2ade3a0b5a975bde5435b63e41342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3743dca367e2f270373c698402bf3e19a2ade3a0b5a975bde5435b63e41342", kill_on_drop: false }`
[INFO] [stdout] 6a3743dca367e2f270373c698402bf3e19a2ade3a0b5a975bde5435b63e41342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63fbe12055878eb2820cd32ee9be7bd42dd52dd00514c4f9e50fa3e96898266e
[INFO] running `Command { std: "docker" "start" "-a" "63fbe12055878eb2820cd32ee9be7bd42dd52dd00514c4f9e50fa3e96898266e", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:175:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 168 | /     loop {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 169 | |         match port.read_exact(&mut echo) {
[INFO] [stdout] 
[INFO] [stderr] 170 | |             Ok(_) => { print!("{}", echo[0] as char); io::stdout().flush()?; },
[INFO] [stderr] 171 | |             Err(_) => (),
[INFO] [stderr] 172 | |         }
[INFO] [stderr] 173 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 174 | 
[INFO] [stderr] 175 |       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 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_ruspiro_push-ca8688bc4f3a1f76)
[INFO] running `Command { std: "docker" "inspect" "63fbe12055878eb2820cd32ee9be7bd42dd52dd00514c4f9e50fa3e96898266e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fbe12055878eb2820cd32ee9be7bd42dd52dd00514c4f9e50fa3e96898266e", kill_on_drop: false }`
[INFO] [stdout] 63fbe12055878eb2820cd32ee9be7bd42dd52dd00514c4f9e50fa3e96898266e