[INFO] updating cached repository ElectricCoffee/midi_project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ElectricCoffee/midi_project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/midi_project" "work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/midi_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/midi_project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ElectricCoffee/midi_project" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ElectricCoffee/midi_project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ElectricCoffee/midi_project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f26813d4c770ce45174e58e2ecc80ab924c817fe
[INFO] sha for GitHub repo ElectricCoffee/midi_project: f26813d4c770ce45174e58e2ecc80ab924c817fe
[INFO] validating manifest of ElectricCoffee/midi_project 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 ElectricCoffee/midi_project 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 ElectricCoffee/midi_project
[INFO] finished frobbing ElectricCoffee/midi_project
[INFO] frobbed toml for ElectricCoffee/midi_project written to work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/midi_project/Cargo.toml
[INFO] started frobbing ElectricCoffee/midi_project
[INFO] finished frobbing ElectricCoffee/midi_project
[INFO] frobbed toml for ElectricCoffee/midi_project written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ElectricCoffee/midi_project/Cargo.toml
[INFO] crate ElectricCoffee/midi_project 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ElectricCoffee/midi_project against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/midi_project:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 57285c34761512f6e636b71670906bc30b5998d84307fad7a79c527086ac12b5
[INFO] running `"docker" "start" "-a" "57285c34761512f6e636b71670906bc30b5998d84307fad7a79c527086ac12b5"`
[INFO] [stderr]    Compiling midi_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn clone_box(&self) -> Box<MusicElement>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[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:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone_box(&self) -> Box<MusicElement> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Clone for Box<MusicElement> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn clone(&self) -> Box<MusicElement> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:156:23
[INFO] [stderr]     |
[INFO] [stderr] 156 |     elements: Vec<Box<MusicElement>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:23
[INFO] [stderr]     |
[INFO] [stderr] 185 |     elements: Vec<Box<MusicElement>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "57285c34761512f6e636b71670906bc30b5998d84307fad7a79c527086ac12b5"`
[INFO] running `"docker" "rm" "-f" "57285c34761512f6e636b71670906bc30b5998d84307fad7a79c527086ac12b5"`
[INFO] [stdout] 57285c34761512f6e636b71670906bc30b5998d84307fad7a79c527086ac12b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/midi_project:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 422f12849799b75f59a64749ecab9fde86adbc0f6043fb6f4a6778b4cbb0b3a7
[INFO] running `"docker" "start" "-a" "422f12849799b75f59a64749ecab9fde86adbc0f6043fb6f4a6778b4cbb0b3a7"`
[INFO] [stderr]    Compiling midi_project v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn clone_box(&self) -> Box<MusicElement>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[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:19:32
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone_box(&self) -> Box<MusicElement> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Clone for Box<MusicElement> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn clone(&self) -> Box<MusicElement> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:156:23
[INFO] [stderr]     |
[INFO] [stderr] 156 |     elements: Vec<Box<MusicElement>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:23
[INFO] [stderr]     |
[INFO] [stderr] 185 |     elements: Vec<Box<MusicElement>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn MusicElement`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "422f12849799b75f59a64749ecab9fde86adbc0f6043fb6f4a6778b4cbb0b3a7"`
[INFO] running `"docker" "rm" "-f" "422f12849799b75f59a64749ecab9fde86adbc0f6043fb6f4a6778b4cbb0b3a7"`
[INFO] [stdout] 422f12849799b75f59a64749ecab9fde86adbc0f6043fb6f4a6778b4cbb0b3a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ElectricCoffee/midi_project:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 59e30bbf4eab2ae1789cf8245662e2dbf99b620807c0709aa2aaa9dd2b0a41df
[INFO] running `"docker" "start" "-a" "59e30bbf4eab2ae1789cf8245662e2dbf99b620807c0709aa2aaa9dd2b0a41df"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/midi_project-8b2e8dd7c8a90ae4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "59e30bbf4eab2ae1789cf8245662e2dbf99b620807c0709aa2aaa9dd2b0a41df"`
[INFO] running `"docker" "rm" "-f" "59e30bbf4eab2ae1789cf8245662e2dbf99b620807c0709aa2aaa9dd2b0a41df"`
[INFO] [stdout] 59e30bbf4eab2ae1789cf8245662e2dbf99b620807c0709aa2aaa9dd2b0a41df