[INFO] updating cached repository danieldulaney/midi-arduino
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danieldulaney/midi-arduino
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danieldulaney/midi-arduino" "work/ex/beta-1.38-1/sources/1.37.0/gh/danieldulaney/midi-arduino"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/danieldulaney/midi-arduino'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danieldulaney/midi-arduino" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danieldulaney/midi-arduino"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danieldulaney/midi-arduino'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b62997a931746737577e2f7829335fe1eb6598f6
[INFO] sha for GitHub repo danieldulaney/midi-arduino: b62997a931746737577e2f7829335fe1eb6598f6
[INFO] validating manifest of danieldulaney/midi-arduino on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of danieldulaney/midi-arduino on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing danieldulaney/midi-arduino
[INFO] finished frobbing danieldulaney/midi-arduino
[INFO] frobbed toml for danieldulaney/midi-arduino written to work/ex/beta-1.38-1/sources/1.37.0/gh/danieldulaney/midi-arduino/Cargo.toml
[INFO] started frobbing danieldulaney/midi-arduino
[INFO] finished frobbing danieldulaney/midi-arduino
[INFO] frobbed toml for danieldulaney/midi-arduino written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danieldulaney/midi-arduino/Cargo.toml
[INFO] crate danieldulaney/midi-arduino already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing danieldulaney/midi-arduino against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danieldulaney/midi-arduino:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b38bfe758e998b8aea8c9acf875997f5c008dd9998b9a3a1a304f19c957396d2
[INFO] running `"docker" "start" "-a" "b38bfe758e998b8aea8c9acf875997f5c008dd9998b9a3a1a304f19c957396d2"`
[INFO] [stderr]    Compiling midi-arduino v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stderr]   --> src/message.rs:83:23
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Event::Meta(m),
[INFO] [stderr]    |                       ^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `(message::Event<'_>, usize): std::convert::From<(message::Meta<'_>, usize)>` is not satisfied
[INFO] [stderr]   --> src/message.rs:75:39
[INFO] [stderr]    |
[INFO] [stderr] 75 |             0xFF => Meta::parse(data).into(),
[INFO] [stderr]    |                                       ^^^^ the trait `std::convert::From<(message::Meta<'_>, usize)>` is not implemented for `(message::Event<'_>, usize)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<(message::Event<'_>, usize)>` for `(message::Meta<'_>, usize)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `midi-arduino`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b38bfe758e998b8aea8c9acf875997f5c008dd9998b9a3a1a304f19c957396d2"`
[INFO] running `"docker" "rm" "-f" "b38bfe758e998b8aea8c9acf875997f5c008dd9998b9a3a1a304f19c957396d2"`
[INFO] [stdout] b38bfe758e998b8aea8c9acf875997f5c008dd9998b9a3a1a304f19c957396d2