Dec 14 06:29:40.112 INFO testing Redhotsmasher/RedhotScaler against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 06:29:40.112 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:29:40.659 INFO [stdout] fbfeb1bc0760905387d24ad20a29f625a5097790791ad97feef1f7713d6645d7
Dec 14 06:29:40.660 INFO running `"docker" "start" "-a" "fbfeb1bc0760905387d24ad20a29f625a5097790791ad97feef1f7713d6645d7"`
Dec 14 06:29:41.947 INFO [stderr] usermod: no changes
Dec 14 06:29:42.071 INFO [stderr]    Compiling num-iter v0.1.37
Dec 14 06:29:42.608 INFO [stderr]    Compiling png v0.12.0
Dec 14 06:29:45.055 INFO [stderr]    Compiling soundthingy v0.1.0 (/source)
Dec 14 06:29:45.999 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:45.999 INFO [stderr]     --> src/main.rs:1067:23
Dec 14 06:29:45.999 INFO [stderr]      |
Dec 14 06:29:45.999 INFO [stderr] 1067 |         oldbdiff[j] = (oldsignal[j]-oldsignal[j-1]);
Dec 14 06:29:45.999 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:45.999 INFO [stderr]      |
Dec 14 06:29:45.999 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 14 06:29:45.999 INFO [stderr] 
Dec 14 06:29:45.999 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:45.999 INFO [stderr]     --> src/main.rs:1071:23
Dec 14 06:29:45.999 INFO [stderr]      |
Dec 14 06:29:45.999 INFO [stderr] 1071 |         oldfdiff[j] = (oldsignal[j]-oldsignal[j+1]);
Dec 14 06:29:45.999 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:45.999 INFO [stderr] 
Dec 14 06:29:45.999 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:45.999 INFO [stderr]     --> src/main.rs:1075:23
Dec 14 06:29:45.999 INFO [stderr]      |
Dec 14 06:29:45.999 INFO [stderr] 1075 |         newbdiff[j] = (newsignal[j]-newsignal[j-1]);
Dec 14 06:29:45.999 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:45.999 INFO [stderr] 
Dec 14 06:29:45.999 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:45.999 INFO [stderr]     --> src/main.rs:1079:23
Dec 14 06:29:45.999 INFO [stderr]      |
Dec 14 06:29:45.999 INFO [stderr] 1079 |         newfdiff[j] = (newsignal[j]-newsignal[j+1]);
Dec 14 06:29:45.999 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:45.999 INFO [stderr] 
Dec 14 06:29:46.177 INFO [stderr] warning: value assigned to `y` is never read
Dec 14 06:29:46.177 INFO [stderr]   --> src/main.rs:68:13
Dec 14 06:29:46.177 INFO [stderr]    |
Dec 14 06:29:46.177 INFO [stderr] 68 |     let mut y = 0;
Dec 14 06:29:46.177 INFO [stderr]    |             ^
Dec 14 06:29:46.177 INFO [stderr]    |
Dec 14 06:29:46.177 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 06:29:46.177 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: value assigned to `temp` is never read
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:177:25
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 177 |                 let mut temp = 0.0;
Dec 14 06:29:46.178 INFO [stderr]     |                         ^^^^
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: unused variable: `resultlen`
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:223:9
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 223 |     let resultlen = result.len();
Dec 14 06:29:46.178 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_resultlen` instead
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: unused variable: `newsignal`
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:430:13
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 430 |     let mut newsignal = nn4s_interpolate_signal(&signal);
Dec 14 06:29:46.178 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_newsignal` instead
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: value assigned to `newsignal` is never read
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:437:13
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 437 |     let mut newsignal = nn4s_interpolate_signal(&signal);
Dec 14 06:29:46.178 INFO [stderr]     |             ^^^^^^^^^
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: unused variable: `k`
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:446:13
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 446 |         for k in 0..iter2 {
Dec 14 06:29:46.178 INFO [stderr]     |             ^ help: consider using `_k` instead
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: unused variable: `newimage`
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:466:13
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 466 |     let mut newimage = nn4s_interpolate_image_2d(&image);
Dec 14 06:29:46.178 INFO [stderr]     |             ^^^^^^^^ help: consider using `_newimage` instead
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: value assigned to `newimage` is never read
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:469:13
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 469 |     let mut newimage = nn4s_interpolate_image_2d(&image);
Dec 14 06:29:46.178 INFO [stderr]     |             ^^^^^^^^
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: value assigned to `dnewimage` is never read
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:476:17
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 476 |         let mut dnewimage = convolve_image_horizontal(&newimage, &kernel);
Dec 14 06:29:46.178 INFO [stderr]     |                 ^^^^^^^^^
Dec 14 06:29:46.178 INFO [stderr] 
Dec 14 06:29:46.178 INFO [stderr] warning: unused variable: `k`
Dec 14 06:29:46.178 INFO [stderr]    --> src/main.rs:485:13
Dec 14 06:29:46.178 INFO [stderr]     |
Dec 14 06:29:46.178 INFO [stderr] 485 |         for k in 0..iter2 {
Dec 14 06:29:46.178 INFO [stderr]     |             ^ help: consider using `_k` instead
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: unused variable: `k`
Dec 14 06:29:46.179 INFO [stderr]    --> src/main.rs:489:13
Dec 14 06:29:46.179 INFO [stderr]     |
Dec 14 06:29:46.179 INFO [stderr] 489 |         for k in 0..iter2 {
Dec 14 06:29:46.179 INFO [stderr]     |             ^ help: consider using `_k` instead
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:46.179 INFO [stderr]    --> src/main.rs:845:5
Dec 14 06:29:46.179 INFO [stderr]     |
Dec 14 06:29:46.179 INFO [stderr] 845 |     c = 0;
Dec 14 06:29:46.179 INFO [stderr]     |     ^
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:46.179 INFO [stderr]    --> src/main.rs:888:5
Dec 14 06:29:46.179 INFO [stderr]     |
Dec 14 06:29:46.179 INFO [stderr] 888 |     c = 0;
Dec 14 06:29:46.179 INFO [stderr]     |     ^
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:46.179 INFO [stderr]    --> src/main.rs:928:5
Dec 14 06:29:46.179 INFO [stderr]     |
Dec 14 06:29:46.179 INFO [stderr] 928 |     c = 0;
Dec 14 06:29:46.179 INFO [stderr]     |     ^
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:46.179 INFO [stderr]    --> src/main.rs:968:5
Dec 14 06:29:46.179 INFO [stderr]     |
Dec 14 06:29:46.179 INFO [stderr] 968 |     c = 0;
Dec 14 06:29:46.179 INFO [stderr]     |     ^
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:46.179 INFO [stderr]     --> src/main.rs:1006:5
Dec 14 06:29:46.179 INFO [stderr]      |
Dec 14 06:29:46.179 INFO [stderr] 1006 |     c = 0;
Dec 14 06:29:46.179 INFO [stderr]      |     ^
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `temp` is never read
Dec 14 06:29:46.179 INFO [stderr]     --> src/main.rs:1099:25
Dec 14 06:29:46.179 INFO [stderr]      |
Dec 14 06:29:46.179 INFO [stderr] 1099 |                 let mut temp = 0.0;
Dec 14 06:29:46.179 INFO [stderr]      |                         ^^^^
Dec 14 06:29:46.179 INFO [stderr] 
Dec 14 06:29:46.179 INFO [stderr] warning: value assigned to `temp` is never read
Dec 14 06:29:46.179 INFO [stderr]     --> src/main.rs:1111:25
Dec 14 06:29:46.179 INFO [stderr]      |
Dec 14 06:29:46.179 INFO [stderr] 1111 |                 let mut temp = 0.0;
Dec 14 06:29:46.180 INFO [stderr]      |                         ^^^^
Dec 14 06:29:46.180 INFO [stderr] 
Dec 14 06:29:46.205 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.205 INFO [stderr]    --> src/main.rs:350:17
Dec 14 06:29:46.205 INFO [stderr]     |
Dec 14 06:29:46.205 INFO [stderr] 350 |             let mut scaledline = redhotscale(&currline);
Dec 14 06:29:46.205 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 14 06:29:46.205 INFO [stderr]     |                 |
Dec 14 06:29:46.205 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.205 INFO [stderr]     |
Dec 14 06:29:46.205 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 06:29:46.205 INFO [stderr] 
Dec 14 06:29:46.208 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.208 INFO [stderr]    --> src/main.rs:395:17
Dec 14 06:29:46.208 INFO [stderr]     |
Dec 14 06:29:46.208 INFO [stderr] 395 |             let mut scaledcol = redhotscale(&currcol);
Dec 14 06:29:46.208 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:46.208 INFO [stderr]     |                 |
Dec 14 06:29:46.208 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.208 INFO [stderr] 
Dec 14 06:29:46.211 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.211 INFO [stderr]    --> src/main.rs:430:9
Dec 14 06:29:46.211 INFO [stderr]     |
Dec 14 06:29:46.211 INFO [stderr] 430 |     let mut newsignal = nn4s_interpolate_signal(&signal);
Dec 14 06:29:46.211 INFO [stderr]     |         ----^^^^^^^^^
Dec 14 06:29:46.212 INFO [stderr]     |         |
Dec 14 06:29:46.212 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:29:46.212 INFO [stderr] 
Dec 14 06:29:46.215 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.215 INFO [stderr]    --> src/main.rs:466:9
Dec 14 06:29:46.215 INFO [stderr]     |
Dec 14 06:29:46.215 INFO [stderr] 466 |     let mut newimage = nn4s_interpolate_image_2d(&image);
Dec 14 06:29:46.215 INFO [stderr]     |         ----^^^^^^^^
Dec 14 06:29:46.215 INFO [stderr]     |         |
Dec 14 06:29:46.215 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:29:46.215 INFO [stderr] 
Dec 14 06:29:46.216 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.216 INFO [stderr]    --> src/main.rs:467:9
Dec 14 06:29:46.216 INFO [stderr]     |
Dec 14 06:29:46.216 INFO [stderr] 467 |     let mut oldimage = mul_image(&image, 1.0);
Dec 14 06:29:46.216 INFO [stderr]     |         ----^^^^^^^^
Dec 14 06:29:46.216 INFO [stderr]     |         |
Dec 14 06:29:46.216 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:29:46.216 INFO [stderr] 
Dec 14 06:29:46.217 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.217 INFO [stderr]    --> src/main.rs:523:17
Dec 14 06:29:46.217 INFO [stderr]     |
Dec 14 06:29:46.217 INFO [stderr] 523 |             let mut scaledline = nn4s_interpolate_signal(&currline);
Dec 14 06:29:46.218 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 14 06:29:46.218 INFO [stderr]     |                 |
Dec 14 06:29:46.218 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.218 INFO [stderr] 
Dec 14 06:29:46.219 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.219 INFO [stderr]    --> src/main.rs:562:17
Dec 14 06:29:46.219 INFO [stderr]     |
Dec 14 06:29:46.219 INFO [stderr] 562 |             let mut scaledcol = nn4s_interpolate_signal(&currcol);
Dec 14 06:29:46.219 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:46.219 INFO [stderr]     |                 |
Dec 14 06:29:46.219 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.220 INFO [stderr] 
Dec 14 06:29:46.221 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.221 INFO [stderr]    --> src/main.rs:601:17
Dec 14 06:29:46.221 INFO [stderr]     |
Dec 14 06:29:46.221 INFO [stderr] 601 |             let mut scaledline = subsample_signal_offset(&currline, factor, offset);
Dec 14 06:29:46.221 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 14 06:29:46.221 INFO [stderr]     |                 |
Dec 14 06:29:46.221 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.221 INFO [stderr] 
Dec 14 06:29:46.223 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.223 INFO [stderr]    --> src/main.rs:640:17
Dec 14 06:29:46.223 INFO [stderr]     |
Dec 14 06:29:46.223 INFO [stderr] 640 |             let mut scaledcol = subsample_signal_offset(&currcol, factor, offset);
Dec 14 06:29:46.223 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:46.223 INFO [stderr]     |                 |
Dec 14 06:29:46.223 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.223 INFO [stderr] 
Dec 14 06:29:46.225 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.225 INFO [stderr]    --> src/main.rs:677:17
Dec 14 06:29:46.225 INFO [stderr]     |
Dec 14 06:29:46.225 INFO [stderr] 677 |             let mut convolvedline = unpadsignal(&convolve(&padsignal(&currline, kernel.len()), &kernel), kernel.len());
Dec 14 06:29:46.225 INFO [stderr]     |                 ----^^^^^^^^^^^^^
Dec 14 06:29:46.225 INFO [stderr]     |                 |
Dec 14 06:29:46.225 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.225 INFO [stderr] 
Dec 14 06:29:46.227 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.227 INFO [stderr]    --> src/main.rs:714:17
Dec 14 06:29:46.227 INFO [stderr]     |
Dec 14 06:29:46.227 INFO [stderr] 714 |             let mut convolvedcol = unpadsignal(&convolve(&padsignal(&currcol, kernel.len()), &kernel), kernel.len());
Dec 14 06:29:46.227 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 14 06:29:46.227 INFO [stderr]     |                 |
Dec 14 06:29:46.227 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.227 INFO [stderr] 
Dec 14 06:29:46.229 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.229 INFO [stderr]    --> src/main.rs:753:17
Dec 14 06:29:46.229 INFO [stderr]     |
Dec 14 06:29:46.229 INFO [stderr] 753 |             let mut antirippledline = antiripple(&curroldline, &currline);
Dec 14 06:29:46.229 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^
Dec 14 06:29:46.229 INFO [stderr]     |                 |
Dec 14 06:29:46.229 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.229 INFO [stderr] 
Dec 14 06:29:46.231 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.231 INFO [stderr]    --> src/main.rs:792:17
Dec 14 06:29:46.231 INFO [stderr]     |
Dec 14 06:29:46.231 INFO [stderr] 792 |             let mut antirippledcol = antiripple(&curroldcol, &currcol);
Dec 14 06:29:46.231 INFO [stderr]     |                 ----^^^^^^^^^^^^^^
Dec 14 06:29:46.231 INFO [stderr]     |                 |
Dec 14 06:29:46.231 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.231 INFO [stderr] 
Dec 14 06:29:46.236 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.236 INFO [stderr]    --> src/main.rs:917:17
Dec 14 06:29:46.236 INFO [stderr]     |
Dec 14 06:29:46.236 INFO [stderr] 917 |             let mut addedline = add_signals(&currline, &currline2);
Dec 14 06:29:46.236 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:46.236 INFO [stderr]     |                 |
Dec 14 06:29:46.236 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.236 INFO [stderr] 
Dec 14 06:29:46.238 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.238 INFO [stderr]    --> src/main.rs:957:17
Dec 14 06:29:46.238 INFO [stderr]     |
Dec 14 06:29:46.238 INFO [stderr] 957 |             let mut subtractedline = subtract_signals(&currline, &currline2);
Dec 14 06:29:46.238 INFO [stderr]     |                 ----^^^^^^^^^^^^^^
Dec 14 06:29:46.238 INFO [stderr]     |                 |
Dec 14 06:29:46.238 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.238 INFO [stderr] 
Dec 14 06:29:46.240 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:46.240 INFO [stderr]    --> src/main.rs:995:17
Dec 14 06:29:46.240 INFO [stderr]     |
Dec 14 06:29:46.240 INFO [stderr] 995 |             let mut multipliedline = mul_signal(&currline, factor);
Dec 14 06:29:46.240 INFO [stderr]     |                 ----^^^^^^^^^^^^^^
Dec 14 06:29:46.240 INFO [stderr]     |                 |
Dec 14 06:29:46.240 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:46.240 INFO [stderr] 
Dec 14 06:29:46.258 INFO [stderr] warning: struct is never constructed: `Subwave`
Dec 14 06:29:46.258 INFO [stderr]  --> src/main.rs:5:1
Dec 14 06:29:46.258 INFO [stderr]   |
Dec 14 06:29:46.258 INFO [stderr] 5 | struct Subwave {
Dec 14 06:29:46.258 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 14 06:29:46.258 INFO [stderr]   |
Dec 14 06:29:46.258 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 06:29:46.258 INFO [stderr] 
Dec 14 06:29:46.259 INFO [stderr] warning: function is never used: `scale_image_horizontal`
Dec 14 06:29:46.259 INFO [stderr]    --> src/main.rs:333:1
Dec 14 06:29:46.259 INFO [stderr]     |
Dec 14 06:29:46.259 INFO [stderr] 333 | fn scale_image_horizontal(image: Image) -> Image {
Dec 14 06:29:46.259 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:29:46.259 INFO [stderr] 
Dec 14 06:29:46.259 INFO [stderr] warning: function is never used: `scale_image_vertical`
Dec 14 06:29:46.259 INFO [stderr]    --> src/main.rs:378:1
Dec 14 06:29:46.259 INFO [stderr]     |
Dec 14 06:29:46.259 INFO [stderr] 378 | fn scale_image_vertical(image: Image) -> Image {
Dec 14 06:29:46.259 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:29:46.259 INFO [stderr] 
Dec 14 06:29:46.259 INFO [stderr] warning: function is never used: `antiripple_bak`
Dec 14 06:29:46.259 INFO [stderr]     --> src/main.rs:1140:1
Dec 14 06:29:46.259 INFO [stderr]      |
Dec 14 06:29:46.259 INFO [stderr] 1140 | fn antiripple_bak(oldsignal: &[Float], newsignal: &[Float]) -> Vec<Float> {
Dec 14 06:29:46.259 INFO [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:29:46.259 INFO [stderr] 
Dec 14 06:29:48.143 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
Dec 14 06:29:48.148 INFO [stderr] su: No module specific data is present
Dec 14 06:29:48.977 INFO running `"docker" "inspect" "fbfeb1bc0760905387d24ad20a29f625a5097790791ad97feef1f7713d6645d7"`
Dec 14 06:29:49.237 INFO running `"docker" "rm" "-f" "fbfeb1bc0760905387d24ad20a29f625a5097790791ad97feef1f7713d6645d7"`
Dec 14 06:29:49.471 INFO [stdout] fbfeb1bc0760905387d24ad20a29f625a5097790791ad97feef1f7713d6645d7
Dec 14 06:29:49.477 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:29:49.932 INFO [stdout] 2d138b79ddbe87f3b7c96edbf1d0dd7c13b59625a332bb36d2cc789310bd593a
Dec 14 06:29:49.938 INFO running `"docker" "start" "-a" "2d138b79ddbe87f3b7c96edbf1d0dd7c13b59625a332bb36d2cc789310bd593a"`
Dec 14 06:29:51.451 INFO [stderr] usermod: no changes
Dec 14 06:29:51.563 INFO [stderr]    Compiling soundthingy v0.1.0 (/source)
Dec 14 06:29:52.647 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:52.647 INFO [stderr]     --> src/main.rs:1067:23
Dec 14 06:29:52.647 INFO [stderr]      |
Dec 14 06:29:52.647 INFO [stderr] 1067 |         oldbdiff[j] = (oldsignal[j]-oldsignal[j-1]);
Dec 14 06:29:52.647 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:52.647 INFO [stderr]      |
Dec 14 06:29:52.647 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 14 06:29:52.647 INFO [stderr] 
Dec 14 06:29:52.647 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:52.647 INFO [stderr]     --> src/main.rs:1071:23
Dec 14 06:29:52.647 INFO [stderr]      |
Dec 14 06:29:52.647 INFO [stderr] 1071 |         oldfdiff[j] = (oldsignal[j]-oldsignal[j+1]);
Dec 14 06:29:52.647 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:52.647 INFO [stderr] 
Dec 14 06:29:52.647 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:52.647 INFO [stderr]     --> src/main.rs:1075:23
Dec 14 06:29:52.647 INFO [stderr]      |
Dec 14 06:29:52.647 INFO [stderr] 1075 |         newbdiff[j] = (newsignal[j]-newsignal[j-1]);
Dec 14 06:29:52.647 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:52.647 INFO [stderr] 
Dec 14 06:29:52.647 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 06:29:52.647 INFO [stderr]     --> src/main.rs:1079:23
Dec 14 06:29:52.647 INFO [stderr]      |
Dec 14 06:29:52.647 INFO [stderr] 1079 |         newfdiff[j] = (newsignal[j]-newsignal[j+1]);
Dec 14 06:29:52.647 INFO [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 06:29:52.647 INFO [stderr] 
Dec 14 06:29:52.871 INFO [stderr] warning: value assigned to `y` is never read
Dec 14 06:29:52.871 INFO [stderr]   --> src/main.rs:68:13
Dec 14 06:29:52.871 INFO [stderr]    |
Dec 14 06:29:52.871 INFO [stderr] 68 |     let mut y = 0;
Dec 14 06:29:52.871 INFO [stderr]    |             ^
Dec 14 06:29:52.871 INFO [stderr]    |
Dec 14 06:29:52.871 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 06:29:52.871 INFO [stderr] 
Dec 14 06:29:52.871 INFO [stderr] warning: value assigned to `temp` is never read
Dec 14 06:29:52.871 INFO [stderr]    --> src/main.rs:177:25
Dec 14 06:29:52.871 INFO [stderr]     |
Dec 14 06:29:52.871 INFO [stderr] 177 |                 let mut temp = 0.0;
Dec 14 06:29:52.871 INFO [stderr]     |                         ^^^^
Dec 14 06:29:52.871 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: unused variable: `resultlen`
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:223:9
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr] 223 |     let resultlen = result.len();
Dec 14 06:29:52.875 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_resultlen` instead
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 06:29:52.875 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: unused variable: `newsignal`
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:430:13
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr] 430 |     let mut newsignal = nn4s_interpolate_signal(&signal);
Dec 14 06:29:52.875 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_newsignal` instead
Dec 14 06:29:52.875 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: value assigned to `newsignal` is never read
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:437:13
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr] 437 |     let mut newsignal = nn4s_interpolate_signal(&signal);
Dec 14 06:29:52.875 INFO [stderr]     |             ^^^^^^^^^
Dec 14 06:29:52.875 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: unused variable: `k`
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:446:13
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr] 446 |         for k in 0..iter2 {
Dec 14 06:29:52.875 INFO [stderr]     |             ^ help: consider using `_k` instead
Dec 14 06:29:52.875 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: unused variable: `newimage`
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:466:13
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr] 466 |     let mut newimage = nn4s_interpolate_image_2d(&image);
Dec 14 06:29:52.875 INFO [stderr]     |             ^^^^^^^^ help: consider using `_newimage` instead
Dec 14 06:29:52.875 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: value assigned to `newimage` is never read
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:469:13
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.875 INFO [stderr] 469 |     let mut newimage = nn4s_interpolate_image_2d(&image);
Dec 14 06:29:52.875 INFO [stderr]     |             ^^^^^^^^
Dec 14 06:29:52.875 INFO [stderr] 
Dec 14 06:29:52.875 INFO [stderr] warning: value assigned to `dnewimage` is never read
Dec 14 06:29:52.875 INFO [stderr]    --> src/main.rs:476:17
Dec 14 06:29:52.875 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 476 |         let mut dnewimage = convolve_image_horizontal(&newimage, &kernel);
Dec 14 06:29:52.876 INFO [stderr]     |                 ^^^^^^^^^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: unused variable: `k`
Dec 14 06:29:52.876 INFO [stderr]    --> src/main.rs:485:13
Dec 14 06:29:52.876 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 485 |         for k in 0..iter2 {
Dec 14 06:29:52.876 INFO [stderr]     |             ^ help: consider using `_k` instead
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: unused variable: `k`
Dec 14 06:29:52.876 INFO [stderr]    --> src/main.rs:489:13
Dec 14 06:29:52.876 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 489 |         for k in 0..iter2 {
Dec 14 06:29:52.876 INFO [stderr]     |             ^ help: consider using `_k` instead
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:52.876 INFO [stderr]    --> src/main.rs:845:5
Dec 14 06:29:52.876 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 845 |     c = 0;
Dec 14 06:29:52.876 INFO [stderr]     |     ^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:52.876 INFO [stderr]    --> src/main.rs:888:5
Dec 14 06:29:52.876 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 888 |     c = 0;
Dec 14 06:29:52.876 INFO [stderr]     |     ^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:52.876 INFO [stderr]    --> src/main.rs:928:5
Dec 14 06:29:52.876 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 928 |     c = 0;
Dec 14 06:29:52.876 INFO [stderr]     |     ^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:52.876 INFO [stderr]    --> src/main.rs:968:5
Dec 14 06:29:52.876 INFO [stderr]     |
Dec 14 06:29:52.876 INFO [stderr] 968 |     c = 0;
Dec 14 06:29:52.876 INFO [stderr]     |     ^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `c` is never read
Dec 14 06:29:52.876 INFO [stderr]     --> src/main.rs:1006:5
Dec 14 06:29:52.876 INFO [stderr]      |
Dec 14 06:29:52.876 INFO [stderr] 1006 |     c = 0;
Dec 14 06:29:52.876 INFO [stderr]      |     ^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `temp` is never read
Dec 14 06:29:52.876 INFO [stderr]     --> src/main.rs:1099:25
Dec 14 06:29:52.876 INFO [stderr]      |
Dec 14 06:29:52.876 INFO [stderr] 1099 |                 let mut temp = 0.0;
Dec 14 06:29:52.876 INFO [stderr]      |                         ^^^^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.876 INFO [stderr] warning: value assigned to `temp` is never read
Dec 14 06:29:52.876 INFO [stderr]     --> src/main.rs:1111:25
Dec 14 06:29:52.876 INFO [stderr]      |
Dec 14 06:29:52.876 INFO [stderr] 1111 |                 let mut temp = 0.0;
Dec 14 06:29:52.876 INFO [stderr]      |                         ^^^^
Dec 14 06:29:52.876 INFO [stderr] 
Dec 14 06:29:52.930 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.930 INFO [stderr]    --> src/main.rs:350:17
Dec 14 06:29:52.930 INFO [stderr]     |
Dec 14 06:29:52.930 INFO [stderr] 350 |             let mut scaledline = redhotscale(&currline);
Dec 14 06:29:52.930 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 14 06:29:52.930 INFO [stderr]     |                 |
Dec 14 06:29:52.930 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.930 INFO [stderr]     |
Dec 14 06:29:52.930 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 06:29:52.930 INFO [stderr] 
Dec 14 06:29:52.933 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.933 INFO [stderr]    --> src/main.rs:395:17
Dec 14 06:29:52.933 INFO [stderr]     |
Dec 14 06:29:52.933 INFO [stderr] 395 |             let mut scaledcol = redhotscale(&currcol);
Dec 14 06:29:52.933 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:52.933 INFO [stderr]     |                 |
Dec 14 06:29:52.933 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.933 INFO [stderr] 
Dec 14 06:29:52.935 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.935 INFO [stderr]    --> src/main.rs:430:9
Dec 14 06:29:52.935 INFO [stderr]     |
Dec 14 06:29:52.935 INFO [stderr] 430 |     let mut newsignal = nn4s_interpolate_signal(&signal);
Dec 14 06:29:52.935 INFO [stderr]     |         ----^^^^^^^^^
Dec 14 06:29:52.935 INFO [stderr]     |         |
Dec 14 06:29:52.935 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:29:52.935 INFO [stderr] 
Dec 14 06:29:52.939 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.939 INFO [stderr]    --> src/main.rs:466:9
Dec 14 06:29:52.939 INFO [stderr]     |
Dec 14 06:29:52.939 INFO [stderr] 466 |     let mut newimage = nn4s_interpolate_image_2d(&image);
Dec 14 06:29:52.939 INFO [stderr]     |         ----^^^^^^^^
Dec 14 06:29:52.939 INFO [stderr]     |         |
Dec 14 06:29:52.939 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:29:52.939 INFO [stderr] 
Dec 14 06:29:52.939 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.939 INFO [stderr]    --> src/main.rs:467:9
Dec 14 06:29:52.939 INFO [stderr]     |
Dec 14 06:29:52.939 INFO [stderr] 467 |     let mut oldimage = mul_image(&image, 1.0);
Dec 14 06:29:52.939 INFO [stderr]     |         ----^^^^^^^^
Dec 14 06:29:52.939 INFO [stderr]     |         |
Dec 14 06:29:52.939 INFO [stderr]     |         help: remove this `mut`
Dec 14 06:29:52.939 INFO [stderr] 
Dec 14 06:29:52.939 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.939 INFO [stderr]    --> src/main.rs:523:17
Dec 14 06:29:52.939 INFO [stderr]     |
Dec 14 06:29:52.939 INFO [stderr] 523 |             let mut scaledline = nn4s_interpolate_signal(&currline);
Dec 14 06:29:52.939 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 14 06:29:52.939 INFO [stderr]     |                 |
Dec 14 06:29:52.939 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.939 INFO [stderr] 
Dec 14 06:29:52.947 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.947 INFO [stderr]    --> src/main.rs:562:17
Dec 14 06:29:52.947 INFO [stderr]     |
Dec 14 06:29:52.947 INFO [stderr] 562 |             let mut scaledcol = nn4s_interpolate_signal(&currcol);
Dec 14 06:29:52.947 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:52.947 INFO [stderr]     |                 |
Dec 14 06:29:52.947 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.947 INFO [stderr] 
Dec 14 06:29:52.947 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.947 INFO [stderr]    --> src/main.rs:601:17
Dec 14 06:29:52.947 INFO [stderr]     |
Dec 14 06:29:52.947 INFO [stderr] 601 |             let mut scaledline = subsample_signal_offset(&currline, factor, offset);
Dec 14 06:29:52.947 INFO [stderr]     |                 ----^^^^^^^^^^
Dec 14 06:29:52.947 INFO [stderr]     |                 |
Dec 14 06:29:52.947 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.947 INFO [stderr] 
Dec 14 06:29:52.947 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.947 INFO [stderr]    --> src/main.rs:640:17
Dec 14 06:29:52.947 INFO [stderr]     |
Dec 14 06:29:52.947 INFO [stderr] 640 |             let mut scaledcol = subsample_signal_offset(&currcol, factor, offset);
Dec 14 06:29:52.947 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:52.947 INFO [stderr]     |                 |
Dec 14 06:29:52.947 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.947 INFO [stderr] 
Dec 14 06:29:52.951 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.951 INFO [stderr]    --> src/main.rs:677:17
Dec 14 06:29:52.951 INFO [stderr]     |
Dec 14 06:29:52.951 INFO [stderr] 677 |             let mut convolvedline = unpadsignal(&convolve(&padsignal(&currline, kernel.len()), &kernel), kernel.len());
Dec 14 06:29:52.951 INFO [stderr]     |                 ----^^^^^^^^^^^^^
Dec 14 06:29:52.951 INFO [stderr]     |                 |
Dec 14 06:29:52.951 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.951 INFO [stderr] 
Dec 14 06:29:52.951 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.951 INFO [stderr]    --> src/main.rs:714:17
Dec 14 06:29:52.951 INFO [stderr]     |
Dec 14 06:29:52.951 INFO [stderr] 714 |             let mut convolvedcol = unpadsignal(&convolve(&padsignal(&currcol, kernel.len()), &kernel), kernel.len());
Dec 14 06:29:52.951 INFO [stderr]     |                 ----^^^^^^^^^^^^
Dec 14 06:29:52.951 INFO [stderr]     |                 |
Dec 14 06:29:52.951 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.951 INFO [stderr] 
Dec 14 06:29:52.955 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.955 INFO [stderr]    --> src/main.rs:753:17
Dec 14 06:29:52.955 INFO [stderr]     |
Dec 14 06:29:52.955 INFO [stderr] 753 |             let mut antirippledline = antiripple(&curroldline, &currline);
Dec 14 06:29:52.955 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^
Dec 14 06:29:52.955 INFO [stderr]     |                 |
Dec 14 06:29:52.955 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.955 INFO [stderr] 
Dec 14 06:29:52.955 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.955 INFO [stderr]    --> src/main.rs:792:17
Dec 14 06:29:52.955 INFO [stderr]     |
Dec 14 06:29:52.955 INFO [stderr] 792 |             let mut antirippledcol = antiripple(&curroldcol, &currcol);
Dec 14 06:29:52.955 INFO [stderr]     |                 ----^^^^^^^^^^^^^^
Dec 14 06:29:52.955 INFO [stderr]     |                 |
Dec 14 06:29:52.955 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.955 INFO [stderr] 
Dec 14 06:29:52.963 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.963 INFO [stderr]    --> src/main.rs:917:17
Dec 14 06:29:52.963 INFO [stderr]     |
Dec 14 06:29:52.963 INFO [stderr] 917 |             let mut addedline = add_signals(&currline, &currline2);
Dec 14 06:29:52.963 INFO [stderr]     |                 ----^^^^^^^^^
Dec 14 06:29:52.963 INFO [stderr]     |                 |
Dec 14 06:29:52.963 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.963 INFO [stderr] 
Dec 14 06:29:52.963 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.963 INFO [stderr]    --> src/main.rs:957:17
Dec 14 06:29:52.963 INFO [stderr]     |
Dec 14 06:29:52.963 INFO [stderr] 957 |             let mut subtractedline = subtract_signals(&currline, &currline2);
Dec 14 06:29:52.963 INFO [stderr]     |                 ----^^^^^^^^^^^^^^
Dec 14 06:29:52.963 INFO [stderr]     |                 |
Dec 14 06:29:52.963 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.963 INFO [stderr] 
Dec 14 06:29:52.963 INFO [stderr] warning: variable does not need to be mutable
Dec 14 06:29:52.963 INFO [stderr]    --> src/main.rs:995:17
Dec 14 06:29:52.963 INFO [stderr]     |
Dec 14 06:29:52.963 INFO [stderr] 995 |             let mut multipliedline = mul_signal(&currline, factor);
Dec 14 06:29:52.963 INFO [stderr]     |                 ----^^^^^^^^^^^^^^
Dec 14 06:29:52.963 INFO [stderr]     |                 |
Dec 14 06:29:52.963 INFO [stderr]     |                 help: remove this `mut`
Dec 14 06:29:52.963 INFO [stderr] 
Dec 14 06:29:52.987 INFO [stderr] warning: struct is never constructed: `Subwave`
Dec 14 06:29:52.987 INFO [stderr]  --> src/main.rs:5:1
Dec 14 06:29:52.987 INFO [stderr]   |
Dec 14 06:29:52.987 INFO [stderr] 5 | struct Subwave {
Dec 14 06:29:52.987 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 14 06:29:52.987 INFO [stderr]   |
Dec 14 06:29:52.987 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 06:29:52.987 INFO [stderr] 
Dec 14 06:29:52.987 INFO [stderr] warning: function is never used: `scale_image_horizontal`
Dec 14 06:29:52.987 INFO [stderr]    --> src/main.rs:333:1
Dec 14 06:29:52.987 INFO [stderr]     |
Dec 14 06:29:52.987 INFO [stderr] 333 | fn scale_image_horizontal(image: Image) -> Image {
Dec 14 06:29:52.987 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:29:52.987 INFO [stderr] 
Dec 14 06:29:52.987 INFO [stderr] warning: function is never used: `scale_image_vertical`
Dec 14 06:29:52.987 INFO [stderr]    --> src/main.rs:378:1
Dec 14 06:29:52.987 INFO [stderr]     |
Dec 14 06:29:52.987 INFO [stderr] 378 | fn scale_image_vertical(image: Image) -> Image {
Dec 14 06:29:52.987 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:29:52.987 INFO [stderr] 
Dec 14 06:29:52.987 INFO [stderr] warning: function is never used: `antiripple_bak`
Dec 14 06:29:52.987 INFO [stderr]     --> src/main.rs:1140:1
Dec 14 06:29:52.987 INFO [stderr]      |
Dec 14 06:29:52.987 INFO [stderr] 1140 | fn antiripple_bak(oldsignal: &[Float], newsignal: &[Float]) -> Vec<Float> {
Dec 14 06:29:52.987 INFO [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:29:52.987 INFO [stderr] 
Dec 14 06:29:53.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
Dec 14 06:29:53.274 INFO [stderr] su: No module specific data is present
Dec 14 06:29:54.495 INFO running `"docker" "inspect" "2d138b79ddbe87f3b7c96edbf1d0dd7c13b59625a332bb36d2cc789310bd593a"`
Dec 14 06:29:54.813 INFO running `"docker" "rm" "-f" "2d138b79ddbe87f3b7c96edbf1d0dd7c13b59625a332bb36d2cc789310bd593a"`
Dec 14 06:29:55.048 INFO [stdout] 2d138b79ddbe87f3b7c96edbf1d0dd7c13b59625a332bb36d2cc789310bd593a
Dec 14 06:29:55.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 06:29:55.492 INFO [stdout] 5e4998544e07c05c24d0bd3ee8a4843abf1ef87750ce827680232efea7723199
Dec 14 06:29:55.497 INFO running `"docker" "start" "-a" "5e4998544e07c05c24d0bd3ee8a4843abf1ef87750ce827680232efea7723199"`
Dec 14 06:29:56.815 INFO [stderr] usermod: no changes
Dec 14 06:29:56.879 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 06:29:56.899 INFO [stderr]      Running /target/debug/deps/soundthingy-671033b611303f77
Dec 14 06:29:56.907 INFO [stderr] su: No module specific data is present
Dec 14 06:29:56.908 INFO [stdout] 
Dec 14 06:29:56.908 INFO [stdout] running 0 tests
Dec 14 06:29:56.908 INFO [stdout] 
Dec 14 06:29:56.908 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:29:56.908 INFO [stdout] 
Dec 14 06:29:57.691 INFO running `"docker" "inspect" "5e4998544e07c05c24d0bd3ee8a4843abf1ef87750ce827680232efea7723199"`
Dec 14 06:29:57.995 INFO running `"docker" "rm" "-f" "5e4998544e07c05c24d0bd3ee8a4843abf1ef87750ce827680232efea7723199"`
Dec 14 06:29:58.251 INFO [stdout] 5e4998544e07c05c24d0bd3ee8a4843abf1ef87750ce827680232efea7723199