[INFO] updating cached repository piedoom/pluginci
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/piedoom/pluginci
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/piedoom/pluginci" "work/ex/beta-1.38-1/sources/1.37.0/gh/piedoom/pluginci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/piedoom/pluginci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/piedoom/pluginci" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piedoom/pluginci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piedoom/pluginci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbbf36385fbaa9dd98e02a2b95d4219b5a28e847
[INFO] sha for GitHub repo piedoom/pluginci: cbbf36385fbaa9dd98e02a2b95d4219b5a28e847
[INFO] validating manifest of piedoom/pluginci 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 piedoom/pluginci 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 piedoom/pluginci
[INFO] finished frobbing piedoom/pluginci
[INFO] frobbed toml for piedoom/pluginci written to work/ex/beta-1.38-1/sources/1.37.0/gh/piedoom/pluginci/Cargo.toml
[INFO] started frobbing piedoom/pluginci
[INFO] finished frobbing piedoom/pluginci
[INFO] frobbed toml for piedoom/pluginci written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/piedoom/pluginci/Cargo.toml
[INFO] crate piedoom/pluginci 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing piedoom/pluginci 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piedoom/pluginci:/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] cb42d8bf6c01bda22941c6160ea5cd7a631b0fe30402848f760c37842128672e
[INFO] running `"docker" "start" "-a" "cb42d8bf6c01bda22941c6160ea5cd7a631b0fe30402848f760c37842128672e"`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling vst v0.0.2 (https://github.com/rust-dsp/rust-vst#c1e29953)
[INFO] [stderr]    Compiling pluginci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |             let mut time = self.time;
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let mut note_duration = self.note_duration;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `"docker" "inspect" "cb42d8bf6c01bda22941c6160ea5cd7a631b0fe30402848f760c37842128672e"`
[INFO] running `"docker" "rm" "-f" "cb42d8bf6c01bda22941c6160ea5cd7a631b0fe30402848f760c37842128672e"`
[INFO] [stdout] cb42d8bf6c01bda22941c6160ea5cd7a631b0fe30402848f760c37842128672e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piedoom/pluginci:/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] e76662f71c17a820b1349336c7b90ce6383845ed861cb0736c2b90cd4cbf28d0
[INFO] running `"docker" "start" "-a" "e76662f71c17a820b1349336c7b90ce6383845ed861cb0736c2b90cd4cbf28d0"`
[INFO] [stderr]    Compiling pluginci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |             let mut time = self.time;
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let mut note_duration = self.note_duration;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "e76662f71c17a820b1349336c7b90ce6383845ed861cb0736c2b90cd4cbf28d0"`
[INFO] running `"docker" "rm" "-f" "e76662f71c17a820b1349336c7b90ce6383845ed861cb0736c2b90cd4cbf28d0"`
[INFO] [stdout] e76662f71c17a820b1349336c7b90ce6383845ed861cb0736c2b90cd4cbf28d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/piedoom/pluginci:/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] d395080e0ed9db2704d180814f4212c4a34086ffcb286f7a7c696c8199737174
[INFO] running `"docker" "start" "-a" "d395080e0ed9db2704d180814f4212c4a34086ffcb286f7a7c696c8199737174"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ci_plugin-534443c191c684f3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_midi_pitch_to_freq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d395080e0ed9db2704d180814f4212c4a34086ffcb286f7a7c696c8199737174"`
[INFO] running `"docker" "rm" "-f" "d395080e0ed9db2704d180814f4212c4a34086ffcb286f7a7c696c8199737174"`
[INFO] [stdout] d395080e0ed9db2704d180814f4212c4a34086ffcb286f7a7c696c8199737174