Dec 13 16:54:44.838 INFO testing ijks/piet-rs against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:54:44.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 16:54:45.324 INFO [stdout] e13f73bb7e6e0ee8a418f4cf5177a1c61c1862651b073228720b92854e000fd5
Dec 13 16:54:45.327 INFO running `"docker" "start" "-a" "e13f73bb7e6e0ee8a418f4cf5177a1c61c1862651b073228720b92854e000fd5"`
Dec 13 16:54:47.257 INFO [stderr] usermod: no changes
Dec 13 16:54:47.409 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 13 16:54:47.416 INFO [stderr]    Compiling num-bigint v0.1.40
Dec 13 16:54:51.329 INFO [stderr]    Compiling num-rational v0.1.39
Dec 13 16:54:53.587 INFO [stderr]    Compiling image v0.17.0
Dec 13 16:54:53.587 INFO [stderr]    Compiling num v0.1.40
Dec 13 16:55:06.419 INFO [stderr]    Compiling backtrace v0.3.3
Dec 13 16:55:09.463 INFO [stderr]    Compiling error-chain v0.11.0
Dec 13 16:55:12.442 INFO [stderr]    Compiling piet v0.1.0 (/source)
Dec 13 16:55:13.166 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 13 16:55:13.166 INFO [stderr]  --> src/interpreter.rs:1:5
Dec 13 16:55:13.166 INFO [stderr]   |
Dec 13 16:55:13.166 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 13 16:55:13.166 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.166 INFO [stderr]   |
Dec 13 16:55:13.166 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:55:13.167 INFO [stderr] 
Dec 13 16:55:13.343 INFO [stderr] warning: unused variable: `x`
Dec 13 16:55:13.343 INFO [stderr]    --> src/interpreter.rs:120:29
Dec 13 16:55:13.343 INFO [stderr]     |
Dec 13 16:55:13.343 INFO [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
Dec 13 16:55:13.343 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 13 16:55:13.343 INFO [stderr]     |
Dec 13 16:55:13.343 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 16:55:13.343 INFO [stderr] 
Dec 13 16:55:13.343 INFO [stderr] warning: unused variable: `y`
Dec 13 16:55:13.343 INFO [stderr]    --> src/interpreter.rs:133:32
Dec 13 16:55:13.343 INFO [stderr]     |
Dec 13 16:55:13.343 INFO [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
Dec 13 16:55:13.343 INFO [stderr]     |                                ^ help: consider using `_y` instead
Dec 13 16:55:13.343 INFO [stderr] 
Dec 13 16:55:13.343 INFO [stderr] warning: unused variable: `height`
Dec 13 16:55:13.343 INFO [stderr]   --> src/program.rs:78:21
Dec 13 16:55:13.343 INFO [stderr]    |
Dec 13 16:55:13.343 INFO [stderr] 78 |         let (width, height) = self.size;
Dec 13 16:55:13.343 INFO [stderr]    |                     ^^^^^^ help: consider using `_height` instead
Dec 13 16:55:13.343 INFO [stderr] 
Dec 13 16:55:13.399 INFO [stderr] warning: variant is never constructed: `Up`
Dec 13 16:55:13.399 INFO [stderr]   --> src/interpreter.rs:14:5
Dec 13 16:55:13.399 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 14 |     Up,
Dec 13 16:55:13.400 INFO [stderr]    |     ^^
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: variant is never constructed: `Down`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:16:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 16 |     Down,
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: variant is never constructed: `Left`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:17:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 17 |     Left,
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: method is never used: `rotate_clockwise`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:21:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: method is never used: `rotate_counterclockwise`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:32:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: variant is never constructed: `Right`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:47:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 47 |     Right,
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: method is never used: `switch`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:51:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 51 |     pub fn switch(&mut self) {
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: method is never used: `current_block`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:93:5
Dec 13 16:55:13.400 INFO [stderr]    |
Dec 13 16:55:13.400 INFO [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
Dec 13 16:55:13.400 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.400 INFO [stderr] 
Dec 13 16:55:13.400 INFO [stderr] warning: method is never used: `next_coords`
Dec 13 16:55:13.400 INFO [stderr]   --> src/interpreter.rs:97:5
Dec 13 16:55:13.401 INFO [stderr]    |
Dec 13 16:55:13.401 INFO [stderr] 97 |     fn next_coords(&self) -> Coords {
Dec 13 16:55:13.401 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.401 INFO [stderr] 
Dec 13 16:55:13.401 INFO [stderr] warning: function is never used: `x_key`
Dec 13 16:55:13.401 INFO [stderr]    --> src/interpreter.rs:101:9
Dec 13 16:55:13.401 INFO [stderr]     |
Dec 13 16:55:13.401 INFO [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
Dec 13 16:55:13.401 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.401 INFO [stderr] 
Dec 13 16:55:13.401 INFO [stderr] warning: function is never used: `y_key`
Dec 13 16:55:13.401 INFO [stderr]    --> src/interpreter.rs:104:9
Dec 13 16:55:13.401 INFO [stderr]     |
Dec 13 16:55:13.401 INFO [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
Dec 13 16:55:13.401 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.401 INFO [stderr] 
Dec 13 16:55:13.401 INFO [stderr] warning: method is never used: `execute_command`
Dec 13 16:55:13.401 INFO [stderr]    --> src/interpreter.rs:167:5
Dec 13 16:55:13.401 INFO [stderr]     |
Dec 13 16:55:13.401 INFO [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
Dec 13 16:55:13.401 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.401 INFO [stderr] 
Dec 13 16:55:13.407 INFO [stderr] warning: method is never used: `pointer`
Dec 13 16:55:13.407 INFO [stderr]    --> src/interpreter.rs:261:5
Dec 13 16:55:13.407 INFO [stderr]     |
Dec 13 16:55:13.407 INFO [stderr] 261 |     fn pointer(&mut self, steps: i64) {
Dec 13 16:55:13.407 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.407 INFO [stderr] 
Dec 13 16:55:13.407 INFO [stderr] warning: method is never used: `switch`
Dec 13 16:55:13.407 INFO [stderr]    --> src/interpreter.rs:273:5
Dec 13 16:55:13.407 INFO [stderr]     |
Dec 13 16:55:13.407 INFO [stderr] 273 |     fn switch(&mut self, times: i64) {
Dec 13 16:55:13.407 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.407 INFO [stderr] 
Dec 13 16:55:13.407 INFO [stderr] warning: method is never used: `index_to_coords`
Dec 13 16:55:13.407 INFO [stderr]   --> src/program.rs:83:5
Dec 13 16:55:13.407 INFO [stderr]    |
Dec 13 16:55:13.407 INFO [stderr] 83 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
Dec 13 16:55:13.407 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:13.407 INFO [stderr] 
Dec 13 16:55:15.667 INFO [stderr] warning: unused variable: `codel_size`
Dec 13 16:55:15.667 INFO [stderr]   --> src/main.rs:23:9
Dec 13 16:55:15.667 INFO [stderr]    |
Dec 13 16:55:15.667 INFO [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
Dec 13 16:55:15.667 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
Dec 13 16:55:15.667 INFO [stderr]    |
Dec 13 16:55:15.667 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:55:15.667 INFO [stderr] 
Dec 13 16:55:15.684 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:55:15.684 INFO [stderr]   --> src/main.rs:34:5
Dec 13 16:55:15.684 INFO [stderr]    |
Dec 13 16:55:15.684 INFO [stderr] 34 |     interpreter.run();
Dec 13 16:55:15.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 16:55:15.684 INFO [stderr]    |
Dec 13 16:55:15.684 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:55:15.684 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:55:15.684 INFO [stderr] 
Dec 13 16:55:18.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.26s
Dec 13 16:55:18.553 INFO [stderr] su: No module specific data is present
Dec 13 16:55:19.453 INFO running `"docker" "inspect" "e13f73bb7e6e0ee8a418f4cf5177a1c61c1862651b073228720b92854e000fd5"`
Dec 13 16:55:19.600 INFO running `"docker" "rm" "-f" "e13f73bb7e6e0ee8a418f4cf5177a1c61c1862651b073228720b92854e000fd5"`
Dec 13 16:55:19.838 INFO [stdout] e13f73bb7e6e0ee8a418f4cf5177a1c61c1862651b073228720b92854e000fd5
Dec 13 16:55:19.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 16:55:20.346 INFO [stdout] 7de82a0935f0d3fcc1d692d2de1e135da977e11a085b4b1f7ed9c5466111243f
Dec 13 16:55:20.348 INFO running `"docker" "start" "-a" "7de82a0935f0d3fcc1d692d2de1e135da977e11a085b4b1f7ed9c5466111243f"`
Dec 13 16:55:22.015 INFO [stderr] usermod: no changes
Dec 13 16:55:22.239 INFO [stderr]    Compiling piet v0.1.0 (/source)
Dec 13 16:55:23.251 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 13 16:55:23.251 INFO [stderr]  --> src/interpreter.rs:1:5
Dec 13 16:55:23.251 INFO [stderr]   |
Dec 13 16:55:23.251 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 13 16:55:23.251 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 13 16:55:23.251 INFO [stderr]   |
Dec 13 16:55:23.251 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:55:23.251 INFO [stderr] 
Dec 13 16:55:23.883 INFO [stderr] warning: unused variable: `x`
Dec 13 16:55:23.883 INFO [stderr]    --> src/interpreter.rs:120:29
Dec 13 16:55:23.883 INFO [stderr]     |
Dec 13 16:55:23.883 INFO [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
Dec 13 16:55:23.883 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 13 16:55:23.883 INFO [stderr]     |
Dec 13 16:55:23.883 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 16:55:23.883 INFO [stderr] 
Dec 13 16:55:23.883 INFO [stderr] warning: unused variable: `y`
Dec 13 16:55:23.883 INFO [stderr]    --> src/interpreter.rs:133:32
Dec 13 16:55:23.883 INFO [stderr]     |
Dec 13 16:55:23.883 INFO [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
Dec 13 16:55:23.883 INFO [stderr]     |                                ^ help: consider using `_y` instead
Dec 13 16:55:23.883 INFO [stderr] 
Dec 13 16:55:23.883 INFO [stderr] warning: unused variable: `height`
Dec 13 16:55:23.883 INFO [stderr]   --> src/program.rs:78:21
Dec 13 16:55:23.883 INFO [stderr]    |
Dec 13 16:55:23.883 INFO [stderr] 78 |         let (width, height) = self.size;
Dec 13 16:55:23.883 INFO [stderr]    |                     ^^^^^^ help: consider using `_height` instead
Dec 13 16:55:23.883 INFO [stderr] 
Dec 13 16:55:24.139 INFO [stderr] warning: variant is never constructed: `Up`
Dec 13 16:55:24.139 INFO [stderr]   --> src/interpreter.rs:14:5
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr] 14 |     Up,
Dec 13 16:55:24.139 INFO [stderr]    |     ^^
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 16:55:24.139 INFO [stderr] 
Dec 13 16:55:24.139 INFO [stderr] warning: variant is never constructed: `Down`
Dec 13 16:55:24.139 INFO [stderr]   --> src/interpreter.rs:16:5
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr] 16 |     Down,
Dec 13 16:55:24.139 INFO [stderr]    |     ^^^^
Dec 13 16:55:24.139 INFO [stderr] 
Dec 13 16:55:24.139 INFO [stderr] warning: variant is never constructed: `Left`
Dec 13 16:55:24.139 INFO [stderr]   --> src/interpreter.rs:17:5
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr] 17 |     Left,
Dec 13 16:55:24.139 INFO [stderr]    |     ^^^^
Dec 13 16:55:24.139 INFO [stderr] 
Dec 13 16:55:24.139 INFO [stderr] warning: method is never used: `rotate_clockwise`
Dec 13 16:55:24.139 INFO [stderr]   --> src/interpreter.rs:21:5
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
Dec 13 16:55:24.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.139 INFO [stderr] 
Dec 13 16:55:24.139 INFO [stderr] warning: method is never used: `rotate_counterclockwise`
Dec 13 16:55:24.139 INFO [stderr]   --> src/interpreter.rs:32:5
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
Dec 13 16:55:24.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.139 INFO [stderr] 
Dec 13 16:55:24.139 INFO [stderr] warning: variant is never constructed: `Right`
Dec 13 16:55:24.139 INFO [stderr]   --> src/interpreter.rs:47:5
Dec 13 16:55:24.139 INFO [stderr]    |
Dec 13 16:55:24.139 INFO [stderr] 47 |     Right,
Dec 13 16:55:24.140 INFO [stderr]    |     ^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: method is never used: `switch`
Dec 13 16:55:24.140 INFO [stderr]   --> src/interpreter.rs:51:5
Dec 13 16:55:24.140 INFO [stderr]    |
Dec 13 16:55:24.140 INFO [stderr] 51 |     pub fn switch(&mut self) {
Dec 13 16:55:24.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: method is never used: `current_block`
Dec 13 16:55:24.140 INFO [stderr]   --> src/interpreter.rs:93:5
Dec 13 16:55:24.140 INFO [stderr]    |
Dec 13 16:55:24.140 INFO [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
Dec 13 16:55:24.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: method is never used: `next_coords`
Dec 13 16:55:24.140 INFO [stderr]   --> src/interpreter.rs:97:5
Dec 13 16:55:24.140 INFO [stderr]    |
Dec 13 16:55:24.140 INFO [stderr] 97 |     fn next_coords(&self) -> Coords {
Dec 13 16:55:24.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: function is never used: `x_key`
Dec 13 16:55:24.140 INFO [stderr]    --> src/interpreter.rs:101:9
Dec 13 16:55:24.140 INFO [stderr]     |
Dec 13 16:55:24.140 INFO [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
Dec 13 16:55:24.140 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: function is never used: `y_key`
Dec 13 16:55:24.140 INFO [stderr]    --> src/interpreter.rs:104:9
Dec 13 16:55:24.140 INFO [stderr]     |
Dec 13 16:55:24.140 INFO [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
Dec 13 16:55:24.140 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: method is never used: `execute_command`
Dec 13 16:55:24.140 INFO [stderr]    --> src/interpreter.rs:167:5
Dec 13 16:55:24.140 INFO [stderr]     |
Dec 13 16:55:24.140 INFO [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
Dec 13 16:55:24.140 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: method is never used: `pointer`
Dec 13 16:55:24.140 INFO [stderr]    --> src/interpreter.rs:261:5
Dec 13 16:55:24.140 INFO [stderr]     |
Dec 13 16:55:24.140 INFO [stderr] 261 |     fn pointer(&mut self, steps: i64) {
Dec 13 16:55:24.140 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.140 INFO [stderr] warning: method is never used: `switch`
Dec 13 16:55:24.140 INFO [stderr]    --> src/interpreter.rs:273:5
Dec 13 16:55:24.140 INFO [stderr]     |
Dec 13 16:55:24.140 INFO [stderr] 273 |     fn switch(&mut self, times: i64) {
Dec 13 16:55:24.140 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.140 INFO [stderr] 
Dec 13 16:55:24.609 INFO [stderr] warning: unused variable: `codel_size`
Dec 13 16:55:24.609 INFO [stderr]   --> src/main.rs:23:9
Dec 13 16:55:24.609 INFO [stderr]    |
Dec 13 16:55:24.609 INFO [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
Dec 13 16:55:24.609 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
Dec 13 16:55:24.609 INFO [stderr]    |
Dec 13 16:55:24.609 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:55:24.609 INFO [stderr] 
Dec 13 16:55:24.634 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:55:24.634 INFO [stderr]   --> src/main.rs:34:5
Dec 13 16:55:24.634 INFO [stderr]    |
Dec 13 16:55:24.634 INFO [stderr] 34 |     interpreter.run();
Dec 13 16:55:24.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 16:55:24.634 INFO [stderr]    |
Dec 13 16:55:24.634 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:55:24.634 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:55:24.634 INFO [stderr] 
Dec 13 16:55:25.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
Dec 13 16:55:25.375 INFO [stderr] su: No module specific data is present
Dec 13 16:55:26.128 INFO running `"docker" "inspect" "7de82a0935f0d3fcc1d692d2de1e135da977e11a085b4b1f7ed9c5466111243f"`
Dec 13 16:55:26.375 INFO running `"docker" "rm" "-f" "7de82a0935f0d3fcc1d692d2de1e135da977e11a085b4b1f7ed9c5466111243f"`
Dec 13 16:55:26.706 INFO [stdout] 7de82a0935f0d3fcc1d692d2de1e135da977e11a085b4b1f7ed9c5466111243f
Dec 13 16:55:26.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 16:55:27.268 INFO [stdout] 6a07860d769bc794478af02d3f430556c6473dadd6b86c97badce4a4f936fc91
Dec 13 16:55:27.270 INFO running `"docker" "start" "-a" "6a07860d769bc794478af02d3f430556c6473dadd6b86c97badce4a4f936fc91"`
Dec 13 16:55:28.891 INFO [stderr] usermod: no changes
Dec 13 16:55:29.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 13 16:55:29.012 INFO [stderr]      Running /target/debug/deps/piet-5463789ae3caed0b
Dec 13 16:55:29.023 INFO [stdout] 
Dec 13 16:55:29.023 INFO [stdout] running 15 tests
Dec 13 16:55:29.023 INFO [stdout] test color::tests::test_hue_shift ... ok
Dec 13 16:55:29.023 INFO [stdout] test color::tests::test_color_transition ... ok
Dec 13 16:55:29.023 INFO [stdout] test color::tests::test_color_from_rgb ... ok
Dec 13 16:55:29.023 INFO [stdout] test color::tests::test_lightness_shift ... ok
Dec 13 16:55:29.023 INFO [stdout] test stack::tests::test_stack_fold_top ... ok
Dec 13 16:55:29.023 INFO [stdout] test stack::tests::test_stack_map_top ... ok
Dec 13 16:55:29.023 INFO [stdout] test program::tests::test_program_index_to_coords ... ok
Dec 13 16:55:29.023 INFO [stdout] test program::tests::test_program_coords_to_index ... ok
Dec 13 16:55:29.023 INFO [stdout] test stack::tests::test_stack_new ... ok
Dec 13 16:55:29.023 INFO [stdout] test program::tests::test_program_color_block ... ok
Dec 13 16:55:29.023 INFO [stdout] test command::tests::test_from_transition ... ok
Dec 13 16:55:29.023 INFO [stdout] test program::tests::test_program_check_coords ... ok
Dec 13 16:55:29.023 INFO [stdout] test stack::tests::test_stack_peek ... ok
Dec 13 16:55:29.023 INFO [stdout] test stack::tests::test_stack_pop2 ... ok
Dec 13 16:55:29.023 INFO [stdout] test stack::tests::test_stack_roll ... ok
Dec 13 16:55:29.023 INFO [stdout] 
Dec 13 16:55:29.023 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:55:29.023 INFO [stdout] 
Dec 13 16:55:29.023 INFO [stdout] 
Dec 13 16:55:29.023 INFO [stdout] running 0 tests
Dec 13 16:55:29.023 INFO [stdout] 
Dec 13 16:55:29.023 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:55:29.023 INFO [stdout] 
Dec 13 16:55:29.023 INFO [stderr]      Running /target/debug/deps/piet-432f55a57c7a25d7
Dec 13 16:55:29.023 INFO [stderr]    Doc-tests piet
Dec 13 16:55:30.346 INFO [stdout] 
Dec 13 16:55:30.346 INFO [stdout] running 6 tests
Dec 13 16:55:34.277 INFO [stdout] test src/stack.rs - stack::Stack::fold_top (line 33) ... ok
Dec 13 16:55:34.277 INFO [stdout] test src/color.rs - color::Lightness::shift (line 44) ... ok
Dec 13 16:55:34.491 INFO [stdout] test src/color.rs - color::Color::transition (line 127) ... ok
Dec 13 16:55:34.812 INFO [stdout] test src/stack.rs - stack::Stack::roll (line 64) ... ok
Dec 13 16:55:34.831 INFO [stdout] test src/color.rs - color::Color::from_rgb (line 69) ... ok
Dec 13 16:55:34.969 INFO [stdout] test src/color.rs - color::Hue::shift (line 19) ... ok
Dec 13 16:55:34.969 INFO [stdout] 
Dec 13 16:55:34.969 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:55:34.969 INFO [stdout] 
Dec 13 16:55:34.986 INFO [stderr] su: No module specific data is present
Dec 13 16:55:35.355 INFO running `"docker" "inspect" "6a07860d769bc794478af02d3f430556c6473dadd6b86c97badce4a4f936fc91"`
Dec 13 16:55:35.488 INFO running `"docker" "rm" "-f" "6a07860d769bc794478af02d3f430556c6473dadd6b86c97badce4a4f936fc91"`
Dec 13 16:55:35.607 INFO [stdout] 6a07860d769bc794478af02d3f430556c6473dadd6b86c97badce4a4f936fc91