[INFO] crate aquaengine 0.0.2 is already in cache
[INFO] extracting crate aquaengine 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/aquaengine/0.0.2
[INFO] extracting crate aquaengine 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/aquaengine/0.0.2
[INFO] validating manifest of aquaengine-0.0.2 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 aquaengine-0.0.2 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 aquaengine-0.0.2
[INFO] finished frobbing aquaengine-0.0.2
[INFO] frobbed toml for aquaengine-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/aquaengine/0.0.2/Cargo.toml
[INFO] started frobbing aquaengine-0.0.2
[INFO] finished frobbing aquaengine-0.0.2
[INFO] frobbed toml for aquaengine-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/aquaengine/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 aquaengine-0.0.2 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/aquaengine/0.0.2:/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] 29ff49e1eb11196f89aebabcdb95b2b68fd9678f4428913cf8db4393fa7f7b9a
[INFO] running `"docker" "start" "-a" "29ff49e1eb11196f89aebabcdb95b2b68fd9678f4428913cf8db4393fa7f7b9a"`
[INFO] [stderr]    Compiling aquaengine v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:8:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:93:32
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "29ff49e1eb11196f89aebabcdb95b2b68fd9678f4428913cf8db4393fa7f7b9a"`
[INFO] running `"docker" "rm" "-f" "29ff49e1eb11196f89aebabcdb95b2b68fd9678f4428913cf8db4393fa7f7b9a"`
[INFO] [stdout] 29ff49e1eb11196f89aebabcdb95b2b68fd9678f4428913cf8db4393fa7f7b9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/aquaengine/0.0.2:/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] 2d69ee8f51da72c48d4ae029736b1c54459ea1282465a33217228592fcac59ee
[INFO] running `"docker" "start" "-a" "2d69ee8f51da72c48d4ae029736b1c54459ea1282465a33217228592fcac59ee"`
[INFO] [stderr]    Compiling aquaengine v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `clippy`
[INFO] [stderr]   --> src/lib.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![cfg_attr(test, plugin(clippy))]
[INFO] [stderr]    |                          ^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `aquaengine`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2d69ee8f51da72c48d4ae029736b1c54459ea1282465a33217228592fcac59ee"`
[INFO] running `"docker" "rm" "-f" "2d69ee8f51da72c48d4ae029736b1c54459ea1282465a33217228592fcac59ee"`
[INFO] [stdout] 2d69ee8f51da72c48d4ae029736b1c54459ea1282465a33217228592fcac59ee