[INFO] updating cached repository DpEpsilon/synthapse-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DpEpsilon/synthapse-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DpEpsilon/synthapse-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/DpEpsilon/synthapse-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DpEpsilon/synthapse-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DpEpsilon/synthapse-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DpEpsilon/synthapse-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DpEpsilon/synthapse-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f4f1f33f84c6aedc0963403109cce4c7ddf350d
[INFO] sha for GitHub repo DpEpsilon/synthapse-rs: 7f4f1f33f84c6aedc0963403109cce4c7ddf350d
[INFO] validating manifest of DpEpsilon/synthapse-rs 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 DpEpsilon/synthapse-rs 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 DpEpsilon/synthapse-rs
[INFO] finished frobbing DpEpsilon/synthapse-rs
[INFO] frobbed toml for DpEpsilon/synthapse-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/DpEpsilon/synthapse-rs/Cargo.toml
[INFO] started frobbing DpEpsilon/synthapse-rs
[INFO] finished frobbing DpEpsilon/synthapse-rs
[INFO] frobbed toml for DpEpsilon/synthapse-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DpEpsilon/synthapse-rs/Cargo.toml
[INFO] crate DpEpsilon/synthapse-rs 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 DpEpsilon/synthapse-rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DpEpsilon/synthapse-rs:/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] 01d5789aee57fe5944d4b42eefde1a1e6ed68f0012f07d96c42583d34471f602
[INFO] running `"docker" "start" "-a" "01d5789aee57fe5944d4b42eefde1a1e6ed68f0012f07d96c42583d34471f602"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling synthapse_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `SAMPLE_RATE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn SAMPLE_RATE()             -> si::Hertz<f64>  { 44100.0 * si::HZ }
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `TUNING_NOTE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn TUNING_NOTE()             -> si::Hertz<f64>  { 440.0 * si::HZ }
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `tuning_note`
[INFO] [stderr] 
[INFO] [stderr] warning: function `NOTES_IN_SCALE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn NOTES_IN_SCALE()          -> u64             { 12 }
[INFO] [stderr]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notes_in_scale`
[INFO] [stderr] 
[INFO] [stderr] warning: function `BEAT_LENGTH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn BEAT_LENGTH()             -> si::Second<f64> { 0.25 * si::S }
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `beat_length`
[INFO] [stderr] 
[INFO] [stderr] warning: function `TIME_PER_SAMPLE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn TIME_PER_SAMPLE()         -> si::Second<f64> { 1.0 / SAMPLE_RATE() }
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_per_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: function `SMALLEST_INTERVAL_RATIO` should have a snake case name
[INFO] [stderr]   --> src/main.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn SMALLEST_INTERVAL_RATIO() -> f64             { (2.0 as f64).powf(1.0 / (NOTES_IN_SCALE() as f64)) }
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `smallest_interval_ratio`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 stdout().write(&buf);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 17.61s
[INFO] running `"docker" "inspect" "01d5789aee57fe5944d4b42eefde1a1e6ed68f0012f07d96c42583d34471f602"`
[INFO] running `"docker" "rm" "-f" "01d5789aee57fe5944d4b42eefde1a1e6ed68f0012f07d96c42583d34471f602"`
[INFO] [stdout] 01d5789aee57fe5944d4b42eefde1a1e6ed68f0012f07d96c42583d34471f602
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DpEpsilon/synthapse-rs:/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] 652abb5fe222976aaded330d3e07016a84c5dbb7320cf901775dcb17f4ba36d5
[INFO] running `"docker" "start" "-a" "652abb5fe222976aaded330d3e07016a84c5dbb7320cf901775dcb17f4ba36d5"`
[INFO] [stderr]    Compiling synthapse_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `SAMPLE_RATE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn SAMPLE_RATE()             -> si::Hertz<f64>  { 44100.0 * si::HZ }
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `sample_rate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `TUNING_NOTE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn TUNING_NOTE()             -> si::Hertz<f64>  { 440.0 * si::HZ }
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `tuning_note`
[INFO] [stderr] 
[INFO] [stderr] warning: function `NOTES_IN_SCALE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn NOTES_IN_SCALE()          -> u64             { 12 }
[INFO] [stderr]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notes_in_scale`
[INFO] [stderr] 
[INFO] [stderr] warning: function `BEAT_LENGTH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn BEAT_LENGTH()             -> si::Second<f64> { 0.25 * si::S }
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `beat_length`
[INFO] [stderr] 
[INFO] [stderr] warning: function `TIME_PER_SAMPLE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn TIME_PER_SAMPLE()         -> si::Second<f64> { 1.0 / SAMPLE_RATE() }
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_per_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: function `SMALLEST_INTERVAL_RATIO` should have a snake case name
[INFO] [stderr]   --> src/main.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn SMALLEST_INTERVAL_RATIO() -> f64             { (2.0 as f64).powf(1.0 / (NOTES_IN_SCALE() as f64)) }
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `smallest_interval_ratio`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 stdout().write(&buf);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.84s
[INFO] running `"docker" "inspect" "652abb5fe222976aaded330d3e07016a84c5dbb7320cf901775dcb17f4ba36d5"`
[INFO] running `"docker" "rm" "-f" "652abb5fe222976aaded330d3e07016a84c5dbb7320cf901775dcb17f4ba36d5"`
[INFO] [stdout] 652abb5fe222976aaded330d3e07016a84c5dbb7320cf901775dcb17f4ba36d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DpEpsilon/synthapse-rs:/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] dbedfe2ddb26775a5f7e86c9ce5814d9c7eec7bde62b3684cc9a9a7ad72dcbeb
[INFO] running `"docker" "start" "-a" "dbedfe2ddb26775a5f7e86c9ce5814d9c7eec7bde62b3684cc9a9a7ad72dcbeb"`
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synthapse_rust-f102d83a2b43f8fe
[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" "dbedfe2ddb26775a5f7e86c9ce5814d9c7eec7bde62b3684cc9a9a7ad72dcbeb"`
[INFO] running `"docker" "rm" "-f" "dbedfe2ddb26775a5f7e86c9ce5814d9c7eec7bde62b3684cc9a9a7ad72dcbeb"`
[INFO] [stdout] dbedfe2ddb26775a5f7e86c9ce5814d9c7eec7bde62b3684cc9a9a7ad72dcbeb