[INFO] crate emitbrown 0.1.3 is already in cache
[INFO] extracting crate emitbrown 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/emitbrown/0.1.3
[INFO] extracting crate emitbrown 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emitbrown/0.1.3
[INFO] validating manifest of emitbrown-0.1.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emitbrown-0.1.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emitbrown-0.1.3
[INFO] finished frobbing emitbrown-0.1.3
[INFO] frobbed toml for emitbrown-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/emitbrown/0.1.3/Cargo.toml
[INFO] started frobbing emitbrown-0.1.3
[INFO] finished frobbing emitbrown-0.1.3
[INFO] frobbed toml for emitbrown-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emitbrown/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing emitbrown-0.1.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emitbrown/0.1.3:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 275fe89551a65a2495f2298b1d3fe7ce78330401d905a1e2291276a8e978e28b
[INFO] running `"docker" "start" "-a" "275fe89551a65a2495f2298b1d3fe7ce78330401d905a1e2291276a8e978e28b"`
[INFO] [stderr]    Compiling emitbrown v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:40
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type EventCallback<'callback, T> = FnMut(&mut T) -> () + 'callback;
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T) -> () + 'callback`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "275fe89551a65a2495f2298b1d3fe7ce78330401d905a1e2291276a8e978e28b"`
[INFO] running `"docker" "rm" "-f" "275fe89551a65a2495f2298b1d3fe7ce78330401d905a1e2291276a8e978e28b"`
[INFO] [stdout] 275fe89551a65a2495f2298b1d3fe7ce78330401d905a1e2291276a8e978e28b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emitbrown/0.1.3:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 57de06898832ca866f73d54bd3f51e409e493580b6d0a3ff83b6e12023ba2e44
[INFO] running `"docker" "start" "-a" "57de06898832ca866f73d54bd3f51e409e493580b6d0a3ff83b6e12023ba2e44"`
[INFO] [stderr]    Compiling emitbrown v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:40
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type EventCallback<'callback, T> = FnMut(&mut T) -> () + 'callback;
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut T) -> () + 'callback`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "57de06898832ca866f73d54bd3f51e409e493580b6d0a3ff83b6e12023ba2e44"`
[INFO] running `"docker" "rm" "-f" "57de06898832ca866f73d54bd3f51e409e493580b6d0a3ff83b6e12023ba2e44"`
[INFO] [stdout] 57de06898832ca866f73d54bd3f51e409e493580b6d0a3ff83b6e12023ba2e44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/emitbrown/0.1.3:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7a8e81d0263fbcd2f901769faddfe3aecef462d43975cfbe1ff7455a872ef085
[INFO] running `"docker" "start" "-a" "7a8e81d0263fbcd2f901769faddfe3aecef462d43975cfbe1ff7455a872ef085"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emitbrown-3d605b127154247f
[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] [stderr]      Running /opt/crater/target/debug/deps/emitbrown-e2ff543363697a8b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test must_work_with_a_custom_event_data_and_allow_the_callback_to_modified_it ... ok
[INFO] [stdout] test must_unregister_an_event ... ok
[INFO] [stdout] test must_register_multiple_events_and_call_all_the_callback_passing_a_copy_of_the_same_data ... ok
[INFO] [stdout] test must_register_an_event_and_call_callback_passing_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests emitbrown
[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" "7a8e81d0263fbcd2f901769faddfe3aecef462d43975cfbe1ff7455a872ef085"`
[INFO] running `"docker" "rm" "-f" "7a8e81d0263fbcd2f901769faddfe3aecef462d43975cfbe1ff7455a872ef085"`
[INFO] [stdout] 7a8e81d0263fbcd2f901769faddfe3aecef462d43975cfbe1ff7455a872ef085