[INFO] updating cached repository jtbeckha/Sparkles
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jtbeckha/Sparkles
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jtbeckha/Sparkles" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jtbeckha/Sparkles"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jtbeckha/Sparkles'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jtbeckha/Sparkles" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jtbeckha/Sparkles"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jtbeckha/Sparkles'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f1ec07b2813e88e6e43ae774eaa0ae21f480db9
[INFO] sha for GitHub repo jtbeckha/Sparkles: 4f1ec07b2813e88e6e43ae774eaa0ae21f480db9
[INFO] validating manifest of jtbeckha/Sparkles on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jtbeckha/Sparkles on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jtbeckha/Sparkles
[INFO] finished frobbing jtbeckha/Sparkles
[INFO] frobbed toml for jtbeckha/Sparkles written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jtbeckha/Sparkles/Cargo.toml
[INFO] started frobbing jtbeckha/Sparkles
[INFO] finished frobbing jtbeckha/Sparkles
[INFO] frobbed toml for jtbeckha/Sparkles written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jtbeckha/Sparkles/Cargo.toml
[INFO] crate jtbeckha/Sparkles already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jtbeckha/Sparkles against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jtbeckha/Sparkles:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ed3d3bcef6ca58b241527d4b1c50ed97bbf165bd8a7394c9279c3c158ba20496
[INFO] running `"docker" "start" "-a" "ed3d3bcef6ca58b241527d4b1c50ed97bbf165bd8a7394c9279c3c158ba20496"`
[INFO] [stderr]    Compiling libpulse-sys v1.5.0
[INFO] [stderr]    Compiling libpulse-simple-sys v1.5.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking libpulse-binding v2.6.0
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking libpulse-simple-binding v2.6.1
[INFO] [stderr]     Checking sparkles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio_stream/pulse_simple.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn build() -> Box<Stream> {
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate log;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ByteOrder`, `NativeEndian`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use byteorder::{ByteOrder, NativeEndian};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::analyze::rms_amplitude`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::analyze::rms_amplitude;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `decode`
[INFO] [stderr]   --> src/main.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::decode::{decode, decode_stereo};
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/audio_stream/pulse_simple.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn build() -> Box<Stream> {
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate log;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ByteOrder`, `NativeEndian`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use byteorder::{ByteOrder, NativeEndian};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::analyze::rms_amplitude`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::analyze::rms_amplitude;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `decode`
[INFO] [stderr]   --> src/main.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::decode::{decode, decode_stereo};
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/audio_stream/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return Option::None;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/audio_stream/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return Option::None;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rms_amplitude`
[INFO] [stderr]  --> src/analyze/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn rms_amplitude(samples: &mut Vec<f32>) -> f32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode`
[INFO] [stderr]   --> src/decode.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn decode(input: &[u8]) -> Vec<f32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/tty.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn draw(&mut self, meter: Meter) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rms_amplitude`
[INFO] [stderr]  --> src/analyze/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn rms_amplitude(samples: &mut Vec<f32>) -> f32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode`
[INFO] [stderr]   --> src/decode.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn decode(input: &[u8]) -> Vec<f32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/tty.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn draw(&mut self, meter: Meter) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `"docker" "inspect" "ed3d3bcef6ca58b241527d4b1c50ed97bbf165bd8a7394c9279c3c158ba20496"`
[INFO] running `"docker" "rm" "-f" "ed3d3bcef6ca58b241527d4b1c50ed97bbf165bd8a7394c9279c3c158ba20496"`
[INFO] [stdout] ed3d3bcef6ca58b241527d4b1c50ed97bbf165bd8a7394c9279c3c158ba20496