[INFO] updating cached repository cauebs/clapping-music
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cauebs/clapping-music
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cauebs/clapping-music" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cauebs/clapping-music"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cauebs/clapping-music'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cauebs/clapping-music" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cauebs/clapping-music"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cauebs/clapping-music'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00f2992f4ee94e04078d913b5d4447be72afd91c
[INFO] sha for GitHub repo cauebs/clapping-music: 00f2992f4ee94e04078d913b5d4447be72afd91c
[INFO] validating manifest of cauebs/clapping-music on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cauebs/clapping-music on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cauebs/clapping-music
[INFO] finished frobbing cauebs/clapping-music
[INFO] frobbed toml for cauebs/clapping-music written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cauebs/clapping-music/Cargo.toml
[INFO] started frobbing cauebs/clapping-music
[INFO] finished frobbing cauebs/clapping-music
[INFO] frobbed toml for cauebs/clapping-music written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cauebs/clapping-music/Cargo.toml
[INFO] crate cauebs/clapping-music already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cauebs/clapping-music against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cauebs/clapping-music:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 071d226f69f61d4ab6e9e70cd9f045366469dfbafd42101deb37d0726aa8f639
[INFO] running `"docker" "start" "-a" "071d226f69f61d4ab6e9e70cd9f045366469dfbafd42101deb37d0726aa8f639"`
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking rimd v0.0.1
[INFO] [stderr]     Checking pitch_calc v0.11.1
[INFO] [stderr]     Checking alsa v0.2.1
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking clapping-music v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:53
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn from_port(number: usize) -> Result<Self, 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:85
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn press(&mut self, notes: &[(Letter, Octave)], velocity: u8) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:46:87
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn release(&mut self, notes: &[(Letter, Octave)], velocity: u8) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:121:56
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn clapping_music(piano: &mut Piano) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:53
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn from_port(number: usize) -> Result<Self, 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |     ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:85
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn press(&mut self, notes: &[(Letter, Octave)], velocity: u8) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:46:87
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn release(&mut self, notes: &[(Letter, Octave)], velocity: u8) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:121:56
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn clapping_music(piano: &mut Piano) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `"docker" "inspect" "071d226f69f61d4ab6e9e70cd9f045366469dfbafd42101deb37d0726aa8f639"`
[INFO] running `"docker" "rm" "-f" "071d226f69f61d4ab6e9e70cd9f045366469dfbafd42101deb37d0726aa8f639"`
[INFO] [stdout] 071d226f69f61d4ab6e9e70cd9f045366469dfbafd42101deb37d0726aa8f639