[INFO] updating cached repository derekdreery/jack-volume
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derekdreery/jack-volume
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derekdreery/jack-volume" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/derekdreery/jack-volume"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/derekdreery/jack-volume'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derekdreery/jack-volume" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/derekdreery/jack-volume"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/derekdreery/jack-volume'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7bdbf9b602a33c377c32008ec52c41be0413a3b
[INFO] sha for GitHub repo derekdreery/jack-volume: a7bdbf9b602a33c377c32008ec52c41be0413a3b
[INFO] validating manifest of derekdreery/jack-volume 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 derekdreery/jack-volume 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 derekdreery/jack-volume
[INFO] removed path dependency jack from derekdreery/jack-volume
[INFO] finished frobbing derekdreery/jack-volume
[INFO] frobbed toml for derekdreery/jack-volume written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/derekdreery/jack-volume/Cargo.toml
[INFO] started frobbing derekdreery/jack-volume
[INFO] removed path dependency jack from derekdreery/jack-volume
[INFO] finished frobbing derekdreery/jack-volume
[INFO] frobbed toml for derekdreery/jack-volume written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/derekdreery/jack-volume/Cargo.toml
[INFO] crate derekdreery/jack-volume 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/derekdreery/jack-volume/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 derekdreery/jack-volume against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/derekdreery/jack-volume:/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] f34b7eef63fa1f50b2a1c03669b72c668dad072550e51a877f1bed3fc7bdc8be
[INFO] running `"docker" "start" "-a" "f34b7eef63fa1f50b2a1c03669b72c668dad072550e51a877f1bed3fc7bdc8be"`
[INFO] [stderr] warning: dependency (jack) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking nom v5.0.0
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking nom-midi v0.5.1
[INFO] [stderr]     Checking jack-volume v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]   --> src/main.rs:30:94
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let (client, status) = Client::new(&opts.jack_name, jack::ClientOptions::NO_START_SERVER)?;
[INFO] [stderr]    |                                                                                              ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]   --> src/main.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let async_client = client.activate_async((), ports)?;
[INFO] [stderr]    |                                                        ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]   --> src/main.rs:30:94
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let (client, status) = Client::new(&opts.jack_name, jack::ClientOptions::NO_START_SERVER)?;
[INFO] [stderr]    |                                                                                              ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]   --> src/main.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let async_client = client.activate_async((), ports)?;
[INFO] [stderr]    |                                                        ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:103:63
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let in_left = client.register_port("in_left", AudioIn)?;
[INFO] [stderr]     |                                                               ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let in_right = client.register_port("in_right", AudioIn)?;
[INFO] [stderr]     |                                                                 ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:103:63
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let in_left = client.register_port("in_left", AudioIn)?;
[INFO] [stderr]     |                                                               ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let in_right = client.register_port("in_right", AudioIn)?;
[INFO] [stderr]     |                                                                 ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:105:66
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let out_left = client.register_port("out_left", AudioOut)?;
[INFO] [stderr]     |                                                                  ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:106:68
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let out_right = client.register_port("out_right", AudioOut)?;
[INFO] [stderr]     |                                                                    ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:105:66
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let out_left = client.register_port("out_left", AudioOut)?;
[INFO] [stderr]     |                                                                  ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:108:81
[INFO] [stderr]     |
[INFO] [stderr] 108 |             Some(conf) => Some((conf, client.register_port("control_in", MidiIn)?)),
[INFO] [stderr]     |                                                                                 ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:106:68
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let out_right = client.register_port("out_right", AudioOut)?;
[INFO] [stderr]     |                                                                    ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `jack::jack_enums::Error: std::error::Error` is not satisfied
[INFO] [stderr]    --> src/main.rs:108:81
[INFO] [stderr]     |
[INFO] [stderr] 108 |             Some(conf) => Some((conf, client.register_port("control_in", MidiIn)?)),
[INFO] [stderr]     |                                                                                 ^ the trait `std::error::Error` is not implemented for `jack::jack_enums::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::From<jack::jack_enums::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `jack-volume`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `jack-volume`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f34b7eef63fa1f50b2a1c03669b72c668dad072550e51a877f1bed3fc7bdc8be"`
[INFO] running `"docker" "rm" "-f" "f34b7eef63fa1f50b2a1c03669b72c668dad072550e51a877f1bed3fc7bdc8be"`
[INFO] [stdout] f34b7eef63fa1f50b2a1c03669b72c668dad072550e51a877f1bed3fc7bdc8be