[INFO] updating cached repository FauxFaux/rust-tone
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FauxFaux/rust-tone
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/rust-tone" "work/ex/beta-1.38-1/sources/1.37.0/gh/FauxFaux/rust-tone"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FauxFaux/rust-tone'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/rust-tone" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/rust-tone"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/rust-tone'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fe0de95843a4d193e8df15e24c3122c89eb3736
[INFO] sha for GitHub repo FauxFaux/rust-tone: 3fe0de95843a4d193e8df15e24c3122c89eb3736
[INFO] validating manifest of FauxFaux/rust-tone 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 FauxFaux/rust-tone 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 FauxFaux/rust-tone
[INFO] finished frobbing FauxFaux/rust-tone
[INFO] frobbed toml for FauxFaux/rust-tone written to work/ex/beta-1.38-1/sources/1.37.0/gh/FauxFaux/rust-tone/Cargo.toml
[INFO] started frobbing FauxFaux/rust-tone
[INFO] finished frobbing FauxFaux/rust-tone
[INFO] frobbed toml for FauxFaux/rust-tone written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/rust-tone/Cargo.toml
[INFO] crate FauxFaux/rust-tone 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 FauxFaux/rust-tone against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/rust-tone:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 49391334aef7aef616dfe3b81578d63aa68f91765db66509c93661352d176bfb
[INFO] running `"docker" "start" "-a" "49391334aef7aef616dfe3b81578d63aa68f91765db66509c93661352d176bfb"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling libpulse-sys v1.1.0
[INFO] [stderr]    Compiling libpulse-simple-sys v1.1.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.4
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling enumset v0.3.10
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling libpulse-binding v1.2.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling libpulse-simple-binding v1.2.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling enum-map v0.2.35
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling cursive v0.8.2
[INFO] [stderr]    Compiling rust-tone v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Simple` is imported redundantly
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | use psimple::Simple;
[INFO] [stderr]    |     --------------- the item `Simple` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use psimple::Simple;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.02s
[INFO] running `"docker" "inspect" "49391334aef7aef616dfe3b81578d63aa68f91765db66509c93661352d176bfb"`
[INFO] running `"docker" "rm" "-f" "49391334aef7aef616dfe3b81578d63aa68f91765db66509c93661352d176bfb"`
[INFO] [stdout] 49391334aef7aef616dfe3b81578d63aa68f91765db66509c93661352d176bfb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/rust-tone:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b1954b8786abeae3cdd837ce6ddf5503fb1fa8afa18348aea60be8f28c79a8e
[INFO] running `"docker" "start" "-a" "9b1954b8786abeae3cdd837ce6ddf5503fb1fa8afa18348aea60be8f28c79a8e"`
[INFO] [stderr]    Compiling rust-tone v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Simple` is imported redundantly
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | use psimple::Simple;
[INFO] [stderr]    |     --------------- the item `Simple` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use psimple::Simple;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "9b1954b8786abeae3cdd837ce6ddf5503fb1fa8afa18348aea60be8f28c79a8e"`
[INFO] running `"docker" "rm" "-f" "9b1954b8786abeae3cdd837ce6ddf5503fb1fa8afa18348aea60be8f28c79a8e"`
[INFO] [stdout] 9b1954b8786abeae3cdd837ce6ddf5503fb1fa8afa18348aea60be8f28c79a8e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/rust-tone:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6b9e0b1cb36f8622dd0fcb5648b53ffdb362633434101b1974219cd8ec1bfb5a
[INFO] running `"docker" "start" "-a" "6b9e0b1cb36f8622dd0fcb5648b53ffdb362633434101b1974219cd8ec1bfb5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tone-4bec93f40f1944ad
[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" "6b9e0b1cb36f8622dd0fcb5648b53ffdb362633434101b1974219cd8ec1bfb5a"`
[INFO] running `"docker" "rm" "-f" "6b9e0b1cb36f8622dd0fcb5648b53ffdb362633434101b1974219cd8ec1bfb5a"`
[INFO] [stdout] 6b9e0b1cb36f8622dd0fcb5648b53ffdb362633434101b1974219cd8ec1bfb5a