[INFO] updating cached repository gboyes/midiutil
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gboyes/midiutil
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gboyes/midiutil" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gboyes/midiutil"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gboyes/midiutil'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gboyes/midiutil" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gboyes/midiutil"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gboyes/midiutil'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf14f8264cd7ef7120a7d1f08a4561a4af721e72
[INFO] sha for GitHub repo gboyes/midiutil: bf14f8264cd7ef7120a7d1f08a4561a4af721e72
[INFO] validating manifest of gboyes/midiutil on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gboyes/midiutil on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gboyes/midiutil
[INFO] finished frobbing gboyes/midiutil
[INFO] frobbed toml for gboyes/midiutil written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gboyes/midiutil/Cargo.toml
[INFO] started frobbing gboyes/midiutil
[INFO] finished frobbing gboyes/midiutil
[INFO] frobbed toml for gboyes/midiutil written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gboyes/midiutil/Cargo.toml
[INFO] crate gboyes/midiutil already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gboyes/midiutil against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gboyes/midiutil:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdc8a8ba86b4341175a3c9b9223b5206e36ccd0aaa30521cf1e66d6ab10f6c83
[INFO] running `"docker" "start" "-a" "cdc8a8ba86b4341175a3c9b9223b5206e36ccd0aaa30521cf1e66d6ab10f6c83"`
[INFO] [stderr]     Checking midiutil v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:88
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn stream(inport: &pm::InputPort, tx: mpsc::Sender<pm::MidiMessage>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     tx.send(event.message);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:88
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn stream(inport: &pm::InputPort, tx: mpsc::Sender<pm::MidiMessage>) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     tx.send(event.message);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "cdc8a8ba86b4341175a3c9b9223b5206e36ccd0aaa30521cf1e66d6ab10f6c83"`
[INFO] running `"docker" "rm" "-f" "cdc8a8ba86b4341175a3c9b9223b5206e36ccd0aaa30521cf1e66d6ab10f6c83"`
[INFO] [stdout] cdc8a8ba86b4341175a3c9b9223b5206e36ccd0aaa30521cf1e66d6ab10f6c83