[INFO] cloning repository https://github.com/autolaborcenter/serial-port
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autolaborcenter/serial-port" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautolaborcenter%2Fserial-port", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautolaborcenter%2Fserial-port'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 866b24f9739a42600e773490aa3533b8a1772a70
[INFO] checking autolaborcenter/serial-port against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautolaborcenter%2Fserial-port" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/autolaborcenter/serial-port on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/autolaborcenter/serial-port
[INFO] finished tweaking git repo https://github.com/autolaborcenter/serial-port
[INFO] tweaked toml for git repo https://github.com/autolaborcenter/serial-port written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/autolaborcenter/serial-port already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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 memoffset v0.6.5
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded nix v0.24.1
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows v0.36.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1324d347eba43e6ea46c038d101980f30a153383ca3e5389e10fab06c5118f9
[INFO] running `Command { std: "docker" "start" "-a" "c1324d347eba43e6ea46c038d101980f30a153383ca3e5389e10fab06c5118f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1324d347eba43e6ea46c038d101980f30a153383ca3e5389e10fab06c5118f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1324d347eba43e6ea46c038d101980f30a153383ca3e5389e10fab06c5118f9", kill_on_drop: false }`
[INFO] [stdout] c1324d347eba43e6ea46c038d101980f30a153383ca3e5389e10fab06c5118f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 395d9d0431e00620aead660ba9d2cb02f528837a9b5ded6e80f58dc19fe9274b
[INFO] running `Command { std: "docker" "start" "-a" "395d9d0431e00620aead660ba9d2cb02f528837a9b5ded6e80f58dc19fe9274b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking serial-port v0.1.36 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `serial-port` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/example.rs:4:27
[INFO] [stdout]    |
[INFO] [stdout] 4  |     let port = Port::open(&4, 115200, u32::MAX).unwrap();
[INFO] [stdout]    |                ---------- ^^ expected struct `String`, found integer
[INFO] [stdout]    |                |
[INFO] [stdout]    |                arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&String`
[INFO] [stdout]               found reference `&{integer}`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open(path: &PortKey, baud: u32, timeout: u32) -> Result<Self, (&'static str, Error)>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-port` due to 2 previous errors
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/example.rs:4:27
[INFO] [stdout]    |
[INFO] [stdout] 4  |     let port = Port::open(&4, 115200, u32::MAX).unwrap();
[INFO] [stdout]    |                ---------- ^^ expected struct `String`, found integer
[INFO] [stdout]    |                |
[INFO] [stdout]    |                arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&String`
[INFO] [stdout]               found reference `&{integer}`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open(path: &PortKey, baud: u32, timeout: u32) -> Result<Self, (&'static str, Error)>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "395d9d0431e00620aead660ba9d2cb02f528837a9b5ded6e80f58dc19fe9274b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395d9d0431e00620aead660ba9d2cb02f528837a9b5ded6e80f58dc19fe9274b", kill_on_drop: false }`
[INFO] [stdout] 395d9d0431e00620aead660ba9d2cb02f528837a9b5ded6e80f58dc19fe9274b