[INFO] updating cached repository Microtome/websocket-serial-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Microtome/websocket-serial-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Microtome/websocket-serial-server" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Microtome/websocket-serial-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Microtome/websocket-serial-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Microtome/websocket-serial-server" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Microtome/websocket-serial-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Microtome/websocket-serial-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27eee51e364d8852ad4f995272a30241d2ac6ab9
[INFO] sha for GitHub repo Microtome/websocket-serial-server: 27eee51e364d8852ad4f995272a30241d2ac6ab9
[INFO] validating manifest of Microtome/websocket-serial-server on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Microtome/websocket-serial-server on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Microtome/websocket-serial-server
[INFO] finished frobbing Microtome/websocket-serial-server
[INFO] frobbed toml for Microtome/websocket-serial-server written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Microtome/websocket-serial-server/Cargo.toml
[INFO] started frobbing Microtome/websocket-serial-server
[INFO] finished frobbing Microtome/websocket-serial-server
[INFO] frobbed toml for Microtome/websocket-serial-server written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Microtome/websocket-serial-server/Cargo.toml
[INFO] crate Microtome/websocket-serial-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Microtome/websocket-serial-server against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Microtome/websocket-serial-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3065cb79c0e75b50fe0a65c9d5d2f327e37ea0b827da7e156ccd2f804fe4f3e5
[INFO] running `"docker" "start" "-a" "3065cb79c0e75b50fe0a65c9d5d2f327e37ea0b827da7e156ccd2f804fe4f3e5"`
[INFO] [stderr]     Checking thread-control v0.1.2
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking daemonize v0.2.3
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking openssl v0.9.24
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking websocket v0.19.2
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking websocket_serial_server v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib/errors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |
[INFO] [stderr] 5  | |   foreign_links {
[INFO] [stderr] 6  | |     // Wrapped Format error
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |   }
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib/errors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |
[INFO] [stderr] 5  | |   foreign_links {
[INFO] [stderr] 6  | |     // Wrapped Format error
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |   }
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib/errors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |
[INFO] [stderr] 5  | |   foreign_links {
[INFO] [stderr] 6  | |     // Wrapped Format error
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |   }
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib/errors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain! {
[INFO] [stderr] 4  | |
[INFO] [stderr] 5  | |   foreign_links {
[INFO] [stderr] 6  | |     // Wrapped Format error
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |   }
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/bin/main.rs:267:3
[INFO] [stderr]     |
[INFO] [stderr] 267 | /   serde_json::to_string(&error)
[INFO] [stderr] 268 | |     .map_err(|err| e::ErrorKind::Json(err))
[INFO] [stderr] 269 | |     .map(|json| Message::text(json))
[INFO] [stderr] 270 | |     .map(|msg| {
[INFO] [stderr] ...   |
[INFO] [stderr] 278 | |     })
[INFO] [stderr] 279 | |     .is_ok(); // This shouldn't be needed?
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/bin/main.rs:267:3
[INFO] [stderr]     |
[INFO] [stderr] 267 | /   serde_json::to_string(&error)
[INFO] [stderr] 268 | |     .map_err(|err| e::ErrorKind::Json(err))
[INFO] [stderr] 269 | |     .map(|json| Message::text(json))
[INFO] [stderr] 270 | |     .map(|msg| {
[INFO] [stderr] ...   |
[INFO] [stderr] 278 | |     })
[INFO] [stderr] 279 | |     .is_ok(); // This shouldn't be needed?
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.66s
[INFO] running `"docker" "inspect" "3065cb79c0e75b50fe0a65c9d5d2f327e37ea0b827da7e156ccd2f804fe4f3e5"`
[INFO] running `"docker" "rm" "-f" "3065cb79c0e75b50fe0a65c9d5d2f327e37ea0b827da7e156ccd2f804fe4f3e5"`
[INFO] [stdout] 3065cb79c0e75b50fe0a65c9d5d2f327e37ea0b827da7e156ccd2f804fe4f3e5