[INFO] updating cached repository https://github.com/mycognosist/mbus_write
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92f02d493ec15f7fa51cc921feba6d59bfc3545b
[INFO] testing mycognosist/mbus_write against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmycognosist%2Fmbus_write" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mycognosist/mbus_write on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mycognosist/mbus_write
[INFO] finished tweaking git repo https://github.com/mycognosist/mbus_write
[INFO] tweaked toml for git repo https://github.com/mycognosist/mbus_write written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mycognosist/mbus_write already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b696036576864f3c9f94aa047ada6a8bfd343fa8e8c6f7694806620b341ea235
[INFO] running `"docker" "start" "-a" "b696036576864f3c9f94aa047ada6a8bfd343fa8e8c6f7694806620b341ea235"`
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling serialport v1.0.1
[INFO] [stderr]    Compiling mio-serial v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-serial v0.6.0
[INFO] [stderr]    Compiling serialport v2.3.0
[INFO] [stderr]    Compiling mio-serial v0.8.0
[INFO] [stderr]    Compiling tokio-modbus v0.2.1
[INFO] [stderr]    Compiling tokio-serial v0.8.0
[INFO] [stderr]    Compiling mbus_write v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:76:36
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let task = Client::connect_rtu(port, modbus_addr, &handle).and_then(|client| {
[INFO] [stderr]    |                                    ^^^^ expected struct `tokio_serial::unix::Serial`, found struct `tokio_serial::Serial`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `tokio_serial::unix::Serial`
[INFO] [stderr]               found type `tokio_serial::Serial`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `mbus_write`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b696036576864f3c9f94aa047ada6a8bfd343fa8e8c6f7694806620b341ea235"`
[INFO] running `"docker" "rm" "-f" "b696036576864f3c9f94aa047ada6a8bfd343fa8e8c6f7694806620b341ea235"`
[INFO] [stdout] b696036576864f3c9f94aa047ada6a8bfd343fa8e8c6f7694806620b341ea235