[INFO] updating cached repository schnommus/rust-fir
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/schnommus/rust-fir
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/schnommus/rust-fir" "work/ex/beta-1.37-6/sources/1.36.0/gh/schnommus/rust-fir"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/schnommus/rust-fir'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/schnommus/rust-fir" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/schnommus/rust-fir"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/schnommus/rust-fir'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82c71f2ec7814d186b5166e41999e0d2f228f2c5
[INFO] sha for GitHub repo schnommus/rust-fir: 82c71f2ec7814d186b5166e41999e0d2f228f2c5
[INFO] validating manifest of schnommus/rust-fir on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of schnommus/rust-fir on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing schnommus/rust-fir
[INFO] finished frobbing schnommus/rust-fir
[INFO] frobbed toml for schnommus/rust-fir written to work/ex/beta-1.37-6/sources/1.36.0/gh/schnommus/rust-fir/Cargo.toml
[INFO] started frobbing schnommus/rust-fir
[INFO] finished frobbing schnommus/rust-fir
[INFO] frobbed toml for schnommus/rust-fir written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/schnommus/rust-fir/Cargo.toml
[INFO] crate schnommus/rust-fir already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing schnommus/rust-fir against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/schnommus/rust-fir:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3ca5d3bbe182a56214b41996cc2fc411629946d07abb2922d5a836776aec3519
[INFO] running `"docker" "start" "-a" "3ca5d3bbe182a56214b41996cc2fc411629946d07abb2922d5a836776aec3519"`
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raster v0.2.0
[INFO] [stderr]    Compiling fir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `intensity_filtered`
[INFO] [stderr]    --> src/main.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let intensity_filtered =
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intensity_filtered`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rectangular`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Rectangular,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlackmanHarris`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     BlackmanHarris
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HighPass`
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     HighPass(f64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BandPass`
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     BandPass(f64, f64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BandStop`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     BandStop(f64, f64)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dft`
[INFO] [stderr]   --> src/main.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn dft(x: &[f64], n_samples: usize) -> Vec<f64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `white_noise`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn white_noise(n_samples: usize, amplitude: f64) -> Vec<f64> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `Fs` should have an upper case name
[INFO] [stderr]    --> src/main.rs:131:7
[INFO] [stderr]     |
[INFO] [stderr] 131 | const Fs: f64 = 20e6;
[INFO] [stderr]     |       ^^ help: convert the identifier to upper case: `FS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `nyquist` should have an upper case name
[INFO] [stderr]    --> src/main.rs:132:7
[INFO] [stderr]     |
[INFO] [stderr] 132 | const nyquist: f64 = Fs/2.0;
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `NYQUIST`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `n_lines` should have an upper case name
[INFO] [stderr]    --> src/main.rs:133:7
[INFO] [stderr]     |
[INFO] [stderr] 133 | const n_lines: i32 = 625;
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `N_LINES`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `n_columns` should have an upper case name
[INFO] [stderr]    --> src/main.rs:134:7
[INFO] [stderr]     |
[INFO] [stderr] 134 | const n_columns: i32 = 700;
[INFO] [stderr]     |       ^^^^^^^^^ help: convert the identifier to upper case: `N_COLUMNS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `line_freq_hz` should have an upper case name
[INFO] [stderr]    --> src/main.rs:135:7
[INFO] [stderr]     |
[INFO] [stderr] 135 | const line_freq_hz: f64 = 15.625e3;
[INFO] [stderr]     |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `LINE_FREQ_HZ`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `frame_freq_hz` should have an upper case name
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 | const frame_freq_hz: f64 = 50.0;
[INFO] [stderr]     |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FRAME_FREQ_HZ`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         raster::save(&self.canvas, "test_render.png");
[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 [unoptimized + debuginfo] target(s) in 24.48s
[INFO] running `"docker" "inspect" "3ca5d3bbe182a56214b41996cc2fc411629946d07abb2922d5a836776aec3519"`
[INFO] running `"docker" "rm" "-f" "3ca5d3bbe182a56214b41996cc2fc411629946d07abb2922d5a836776aec3519"`
[INFO] [stdout] 3ca5d3bbe182a56214b41996cc2fc411629946d07abb2922d5a836776aec3519
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/schnommus/rust-fir:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e6aa77e99f18f30ee16b3baf90faa958779e4dbd17570e1b85c7a3c5f9039dd7
[INFO] running `"docker" "start" "-a" "e6aa77e99f18f30ee16b3baf90faa958779e4dbd17570e1b85c7a3c5f9039dd7"`
[INFO] [stderr]    Compiling fir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `intensity_filtered`
[INFO] [stderr]    --> src/main.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let intensity_filtered =
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_intensity_filtered`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rectangular`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Rectangular,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlackmanHarris`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     BlackmanHarris
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HighPass`
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     HighPass(f64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BandPass`
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     BandPass(f64, f64),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BandStop`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     BandStop(f64, f64)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dft`
[INFO] [stderr]   --> src/main.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn dft(x: &[f64], n_samples: usize) -> Vec<f64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `white_noise`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn white_noise(n_samples: usize, amplitude: f64) -> Vec<f64> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `Fs` should have an upper case name
[INFO] [stderr]    --> src/main.rs:131:7
[INFO] [stderr]     |
[INFO] [stderr] 131 | const Fs: f64 = 20e6;
[INFO] [stderr]     |       ^^ help: convert the identifier to upper case: `FS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `nyquist` should have an upper case name
[INFO] [stderr]    --> src/main.rs:132:7
[INFO] [stderr]     |
[INFO] [stderr] 132 | const nyquist: f64 = Fs/2.0;
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `NYQUIST`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `n_lines` should have an upper case name
[INFO] [stderr]    --> src/main.rs:133:7
[INFO] [stderr]     |
[INFO] [stderr] 133 | const n_lines: i32 = 625;
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `N_LINES`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `n_columns` should have an upper case name
[INFO] [stderr]    --> src/main.rs:134:7
[INFO] [stderr]     |
[INFO] [stderr] 134 | const n_columns: i32 = 700;
[INFO] [stderr]     |       ^^^^^^^^^ help: convert the identifier to upper case: `N_COLUMNS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `line_freq_hz` should have an upper case name
[INFO] [stderr]    --> src/main.rs:135:7
[INFO] [stderr]     |
[INFO] [stderr] 135 | const line_freq_hz: f64 = 15.625e3;
[INFO] [stderr]     |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `LINE_FREQ_HZ`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `frame_freq_hz` should have an upper case name
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 | const frame_freq_hz: f64 = 50.0;
[INFO] [stderr]     |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FRAME_FREQ_HZ`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         raster::save(&self.canvas, "test_render.png");
[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 [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "e6aa77e99f18f30ee16b3baf90faa958779e4dbd17570e1b85c7a3c5f9039dd7"`
[INFO] running `"docker" "rm" "-f" "e6aa77e99f18f30ee16b3baf90faa958779e4dbd17570e1b85c7a3c5f9039dd7"`
[INFO] [stdout] e6aa77e99f18f30ee16b3baf90faa958779e4dbd17570e1b85c7a3c5f9039dd7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/schnommus/rust-fir:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7cb2bb542a23a4fd07bdae8dc216ab243b464c6865de5d992530e434190eae17
[INFO] running `"docker" "start" "-a" "7cb2bb542a23a4fd07bdae8dc216ab243b464c6865de5d992530e434190eae17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fir-a8143dd3eb98fddc
[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" "7cb2bb542a23a4fd07bdae8dc216ab243b464c6865de5d992530e434190eae17"`
[INFO] running `"docker" "rm" "-f" "7cb2bb542a23a4fd07bdae8dc216ab243b464c6865de5d992530e434190eae17"`
[INFO] [stdout] 7cb2bb542a23a4fd07bdae8dc216ab243b464c6865de5d992530e434190eae17