[INFO] crate cpal 0.10.0 is already in cache
[INFO] extracting crate cpal 0.10.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cpal/0.10.0
[INFO] extracting crate cpal 0.10.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cpal/0.10.0
[INFO] validating manifest of cpal-0.10.0 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 cpal-0.10.0 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 cpal-0.10.0
[INFO] finished frobbing cpal-0.10.0
[INFO] frobbed toml for cpal-0.10.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cpal/0.10.0/Cargo.toml
[INFO] started frobbing cpal-0.10.0
[INFO] finished frobbing cpal-0.10.0
[INFO] frobbed toml for cpal-0.10.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cpal/0.10.0/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] 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] [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 cpal-0.10.0 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/cpal/0.10.0:/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] b86b9d0b9f0851b9b897ada090c540443a0ad5d2a7b78be61b74c0db52bceb4d
[INFO] running `"docker" "start" "-a" "b86b9d0b9f0851b9b897ada090c540443a0ad5d2a7b78be61b74c0db52bceb4d"`
[INFO] [stderr]    Compiling cpal v0.10.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr] warning: field is never used: `resume_trigger`
[INFO] [stderr]    --> src/host/alsa/mod.rs:526:5
[INFO] [stderr]     |
[INFO] [stderr] 526 |     resume_trigger: Trigger,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `"docker" "inspect" "b86b9d0b9f0851b9b897ada090c540443a0ad5d2a7b78be61b74c0db52bceb4d"`
[INFO] running `"docker" "rm" "-f" "b86b9d0b9f0851b9b897ada090c540443a0ad5d2a7b78be61b74c0db52bceb4d"`
[INFO] [stdout] b86b9d0b9f0851b9b897ada090c540443a0ad5d2a7b78be61b74c0db52bceb4d
[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/cpal/0.10.0:/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] 0be4566d583f41770c869b5c133da88bb9f50c1be10135ceaed1458cd07a4d85
[INFO] running `"docker" "start" "-a" "0be4566d583f41770c869b5c133da88bb9f50c1be10135ceaed1458cd07a4d85"`
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling cpal v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `resume_trigger`
[INFO] [stderr]    --> src/host/alsa/mod.rs:526:5
[INFO] [stderr]     |
[INFO] [stderr] 526 |     resume_trigger: Trigger,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `"docker" "inspect" "0be4566d583f41770c869b5c133da88bb9f50c1be10135ceaed1458cd07a4d85"`
[INFO] running `"docker" "rm" "-f" "0be4566d583f41770c869b5c133da88bb9f50c1be10135ceaed1458cd07a4d85"`
[INFO] [stdout] 0be4566d583f41770c869b5c133da88bb9f50c1be10135ceaed1458cd07a4d85
[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/cpal/0.10.0:/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] 79aafcb56bf8d9b53b131fe4db31479251050206dde1f61f4fbbf8015cf8fc9e
[INFO] running `"docker" "start" "-a" "79aafcb56bf8d9b53b131fe4db31479251050206dde1f61f4fbbf8015cf8fc9e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cpal-cf62f195faa8899e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test samples_formats::test::i16_to_f32 ... ok
[INFO] [stdout] test samples_formats::test::i16_to_i16 ... ok
[INFO] [stdout] test samples_formats::test::f32_to_u16 ... ok
[INFO] [stdout] test samples_formats::test::f32_to_f32 ... ok
[INFO] [stdout] test samples_formats::test::i16_to_u16 ... ok
[INFO] [stdout] test samples_formats::test::u16_to_u16 ... ok
[INFO] [stdout] test samples_formats::test::f32_to_i16 ... ok
[INFO] [stdout] test samples_formats::test::u16_to_i16 ... ok
[INFO] [stdout] test samples_formats::test::u16_to_f32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cpal
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] test src/lib.rs -  (line 75) ... ok
[INFO] [stdout] test src/lib.rs -  (line 85) ... ok
[INFO] [stdout] test src/lib.rs -  (line 61) ... ok
[INFO] [stdout] test src/lib.rs -  (line 48) ... ok
[INFO] [stdout] test src/lib.rs -  (line 105) ... ok
[INFO] [stdout] test src/lib.rs -  (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "79aafcb56bf8d9b53b131fe4db31479251050206dde1f61f4fbbf8015cf8fc9e"`
[INFO] running `"docker" "rm" "-f" "79aafcb56bf8d9b53b131fe4db31479251050206dde1f61f4fbbf8015cf8fc9e"`
[INFO] [stdout] 79aafcb56bf8d9b53b131fe4db31479251050206dde1f61f4fbbf8015cf8fc9e