Dec 19 15:48:55.813 INFO checking ijks/piet-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:48:55.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ijks/piet-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=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:48:56.232 INFO [stdout] 60cf9b009140eaec0e7a1365eb57271d413252c1c8744bc2cfa0f4fa5090300b
Dec 19 15:48:56.234 INFO running `"docker" "start" "-a" "60cf9b009140eaec0e7a1365eb57271d413252c1c8744bc2cfa0f4fa5090300b"`
Dec 19 15:48:58.428 INFO [stderr]    Compiling cc v1.0.2
Dec 19 15:48:58.440 INFO [stderr]     Checking num_cpus v1.7.0
Dec 19 15:48:58.440 INFO [stderr]     Checking num-rational v0.1.39
Dec 19 15:48:59.152 INFO [stderr]     Checking rayon-core v1.2.1
Dec 19 15:48:59.332 INFO [stderr]     Checking num v0.1.40
Dec 19 15:49:00.460 INFO [stderr]     Checking rayon v0.8.2
Dec 19 15:49:02.260 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 15:49:05.748 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 15:49:08.536 INFO [stderr]     Checking image v0.17.0
Dec 19 15:49:21.375 INFO [stderr]     Checking backtrace v0.3.3
Dec 19 15:49:21.996 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 15:49:22.526 INFO [stderr]     Checking piet v0.1.0 (/opt/crater/workdir)
Dec 19 15:49:23.168 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 15:49:23.168 INFO [stderr]  --> src/interpreter.rs:1:5
Dec 19 15:49:23.168 INFO [stderr]   |
Dec 19 15:49:23.168 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 19 15:49:23.168 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.168 INFO [stderr]   |
Dec 19 15:49:23.168 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:49:23.168 INFO [stderr] 
Dec 19 15:49:23.212 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 15:49:23.212 INFO [stderr]  --> src/interpreter.rs:1:5
Dec 19 15:49:23.212 INFO [stderr]   |
Dec 19 15:49:23.212 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 19 15:49:23.212 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.212 INFO [stderr]   |
Dec 19 15:49:23.212 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:49:23.212 INFO [stderr] 
Dec 19 15:49:23.601 INFO [stderr] warning: unused variable: `x`
Dec 19 15:49:23.601 INFO [stderr]    --> src/interpreter.rs:120:29
Dec 19 15:49:23.601 INFO [stderr]     |
Dec 19 15:49:23.601 INFO [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
Dec 19 15:49:23.601 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 19 15:49:23.601 INFO [stderr]     |
Dec 19 15:49:23.601 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:49:23.601 INFO [stderr] 
Dec 19 15:49:23.601 INFO [stderr] warning: unused variable: `y`
Dec 19 15:49:23.601 INFO [stderr]    --> src/interpreter.rs:133:32
Dec 19 15:49:23.601 INFO [stderr]     |
Dec 19 15:49:23.601 INFO [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
Dec 19 15:49:23.601 INFO [stderr]     |                                ^ help: consider using `_y` instead
Dec 19 15:49:23.601 INFO [stderr] 
Dec 19 15:49:23.601 INFO [stderr] warning: unused variable: `height`
Dec 19 15:49:23.601 INFO [stderr]   --> src/program.rs:78:21
Dec 19 15:49:23.601 INFO [stderr]    |
Dec 19 15:49:23.601 INFO [stderr] 78 |         let (width, height) = self.size;
Dec 19 15:49:23.601 INFO [stderr]    |                     ^^^^^^ help: consider using `_height` instead
Dec 19 15:49:23.601 INFO [stderr] 
Dec 19 15:49:23.628 INFO [stderr] warning: unused variable: `x`
Dec 19 15:49:23.628 INFO [stderr]    --> src/interpreter.rs:120:29
Dec 19 15:49:23.628 INFO [stderr]     |
Dec 19 15:49:23.628 INFO [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
Dec 19 15:49:23.628 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 19 15:49:23.628 INFO [stderr]     |
Dec 19 15:49:23.628 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:49:23.628 INFO [stderr] 
Dec 19 15:49:23.628 INFO [stderr] warning: unused variable: `y`
Dec 19 15:49:23.628 INFO [stderr]    --> src/interpreter.rs:133:32
Dec 19 15:49:23.628 INFO [stderr]     |
Dec 19 15:49:23.628 INFO [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
Dec 19 15:49:23.628 INFO [stderr]     |                                ^ help: consider using `_y` instead
Dec 19 15:49:23.628 INFO [stderr] 
Dec 19 15:49:23.628 INFO [stderr] warning: unused variable: `height`
Dec 19 15:49:23.628 INFO [stderr]   --> src/program.rs:78:21
Dec 19 15:49:23.628 INFO [stderr]    |
Dec 19 15:49:23.628 INFO [stderr] 78 |         let (width, height) = self.size;
Dec 19 15:49:23.628 INFO [stderr]    |                     ^^^^^^ help: consider using `_height` instead
Dec 19 15:49:23.628 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: variant is never constructed: `Up`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:14:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 14 |     Up,
Dec 19 15:49:23.742 INFO [stderr]    |     ^^
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: variant is never constructed: `Down`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:16:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 16 |     Down,
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: variant is never constructed: `Left`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:17:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 17 |     Left,
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: method is never used: `rotate_clockwise`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:21:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: method is never used: `rotate_counterclockwise`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:32:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: variant is never constructed: `Right`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:47:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 47 |     Right,
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: method is never used: `switch`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:51:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 51 |     pub fn switch(&mut self) {
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: method is never used: `current_block`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:93:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: method is never used: `next_coords`
Dec 19 15:49:23.742 INFO [stderr]   --> src/interpreter.rs:97:5
Dec 19 15:49:23.742 INFO [stderr]    |
Dec 19 15:49:23.742 INFO [stderr] 97 |     fn next_coords(&self) -> Coords {
Dec 19 15:49:23.742 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: function is never used: `x_key`
Dec 19 15:49:23.742 INFO [stderr]    --> src/interpreter.rs:101:9
Dec 19 15:49:23.742 INFO [stderr]     |
Dec 19 15:49:23.742 INFO [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
Dec 19 15:49:23.742 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.742 INFO [stderr] 
Dec 19 15:49:23.742 INFO [stderr] warning: function is never used: `y_key`
Dec 19 15:49:23.742 INFO [stderr]    --> src/interpreter.rs:104:9
Dec 19 15:49:23.743 INFO [stderr]     |
Dec 19 15:49:23.743 INFO [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
Dec 19 15:49:23.743 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.743 INFO [stderr] 
Dec 19 15:49:23.743 INFO [stderr] warning: method is never used: `execute_command`
Dec 19 15:49:23.743 INFO [stderr]    --> src/interpreter.rs:167:5
Dec 19 15:49:23.743 INFO [stderr]     |
Dec 19 15:49:23.743 INFO [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
Dec 19 15:49:23.743 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.743 INFO [stderr] 
Dec 19 15:49:23.743 INFO [stderr] warning: method is never used: `pointer`
Dec 19 15:49:23.743 INFO [stderr]    --> src/interpreter.rs:261:5
Dec 19 15:49:23.743 INFO [stderr]     |
Dec 19 15:49:23.743 INFO [stderr] 261 |     fn pointer(&mut self, steps: i64) {
Dec 19 15:49:23.743 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.743 INFO [stderr] 
Dec 19 15:49:23.744 INFO [stderr] warning: method is never used: `switch`
Dec 19 15:49:23.744 INFO [stderr]    --> src/interpreter.rs:273:5
Dec 19 15:49:23.744 INFO [stderr]     |
Dec 19 15:49:23.744 INFO [stderr] 273 |     fn switch(&mut self, times: i64) {
Dec 19 15:49:23.744 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.744 INFO [stderr] 
Dec 19 15:49:23.744 INFO [stderr] warning: method is never used: `index_to_coords`
Dec 19 15:49:23.744 INFO [stderr]   --> src/program.rs:83:5
Dec 19 15:49:23.744 INFO [stderr]    |
Dec 19 15:49:23.744 INFO [stderr] 83 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
Dec 19 15:49:23.744 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.744 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: variant is never constructed: `Up`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:14:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 14 |     Up,
Dec 19 15:49:23.926 INFO [stderr]    |     ^^
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: variant is never constructed: `Down`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:16:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 16 |     Down,
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: variant is never constructed: `Left`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:17:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 17 |     Left,
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: method is never used: `rotate_clockwise`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:21:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: method is never used: `rotate_counterclockwise`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:32:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: variant is never constructed: `Right`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:47:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 47 |     Right,
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: method is never used: `switch`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:51:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 51 |     pub fn switch(&mut self) {
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: method is never used: `current_block`
Dec 19 15:49:23.926 INFO [stderr]   --> src/interpreter.rs:93:5
Dec 19 15:49:23.926 INFO [stderr]    |
Dec 19 15:49:23.926 INFO [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
Dec 19 15:49:23.926 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.926 INFO [stderr] 
Dec 19 15:49:23.926 INFO [stderr] warning: method is never used: `next_coords`
Dec 19 15:49:23.927 INFO [stderr]   --> src/interpreter.rs:97:5
Dec 19 15:49:23.927 INFO [stderr]    |
Dec 19 15:49:23.927 INFO [stderr] 97 |     fn next_coords(&self) -> Coords {
Dec 19 15:49:23.927 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.927 INFO [stderr] 
Dec 19 15:49:23.927 INFO [stderr] warning: function is never used: `x_key`
Dec 19 15:49:23.927 INFO [stderr]    --> src/interpreter.rs:101:9
Dec 19 15:49:23.927 INFO [stderr]     |
Dec 19 15:49:23.927 INFO [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
Dec 19 15:49:23.927 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.927 INFO [stderr] 
Dec 19 15:49:23.927 INFO [stderr] warning: function is never used: `y_key`
Dec 19 15:49:23.927 INFO [stderr]    --> src/interpreter.rs:104:9
Dec 19 15:49:23.927 INFO [stderr]     |
Dec 19 15:49:23.927 INFO [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
Dec 19 15:49:23.927 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.927 INFO [stderr] 
Dec 19 15:49:23.927 INFO [stderr] warning: method is never used: `execute_command`
Dec 19 15:49:23.927 INFO [stderr]    --> src/interpreter.rs:167:5
Dec 19 15:49:23.927 INFO [stderr]     |
Dec 19 15:49:23.927 INFO [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
Dec 19 15:49:23.927 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.927 INFO [stderr] 
Dec 19 15:49:23.927 INFO [stderr] warning: method is never used: `pointer`
Dec 19 15:49:23.927 INFO [stderr]    --> src/interpreter.rs:261:5
Dec 19 15:49:23.927 INFO [stderr]     |
Dec 19 15:49:23.927 INFO [stderr] 261 |     fn pointer(&mut self, steps: i64) {
Dec 19 15:49:23.927 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.927 INFO [stderr] 
Dec 19 15:49:23.927 INFO [stderr] warning: method is never used: `switch`
Dec 19 15:49:23.927 INFO [stderr]    --> src/interpreter.rs:273:5
Dec 19 15:49:23.927 INFO [stderr]     |
Dec 19 15:49:23.927 INFO [stderr] 273 |     fn switch(&mut self, times: i64) {
Dec 19 15:49:23.927 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:49:23.927 INFO [stderr] 
Dec 19 15:49:24.721 INFO [stderr] warning: unused variable: `codel_size`
Dec 19 15:49:24.721 INFO [stderr]   --> src/main.rs:23:9
Dec 19 15:49:24.721 INFO [stderr]    |
Dec 19 15:49:24.721 INFO [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
Dec 19 15:49:24.721 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
Dec 19 15:49:24.721 INFO [stderr]    |
Dec 19 15:49:24.721 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:49:24.721 INFO [stderr] 
Dec 19 15:49:24.739 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:49:24.739 INFO [stderr]   --> src/main.rs:34:5
Dec 19 15:49:24.739 INFO [stderr]    |
Dec 19 15:49:24.739 INFO [stderr] 34 |     interpreter.run();
Dec 19 15:49:24.739 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:49:24.740 INFO [stderr]    |
Dec 19 15:49:24.740 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:49:24.742 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:49:24.742 INFO [stderr] 
Dec 19 15:49:24.776 INFO [stderr] warning: unused variable: `codel_size`
Dec 19 15:49:24.779 INFO [stderr]   --> src/main.rs:23:9
Dec 19 15:49:24.779 INFO [stderr]    |
Dec 19 15:49:24.779 INFO [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
Dec 19 15:49:24.779 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
Dec 19 15:49:24.779 INFO [stderr]    |
Dec 19 15:49:24.779 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:49:24.779 INFO [stderr] 
Dec 19 15:49:24.799 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:49:24.799 INFO [stderr]   --> src/main.rs:34:5
Dec 19 15:49:24.799 INFO [stderr]    |
Dec 19 15:49:24.799 INFO [stderr] 34 |     interpreter.run();
Dec 19 15:49:24.799 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:49:24.799 INFO [stderr]    |
Dec 19 15:49:24.799 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:49:24.799 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:49:24.799 INFO [stderr] 
Dec 19 15:49:24.833 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.62s
Dec 19 15:49:25.474 INFO running `"docker" "inspect" "60cf9b009140eaec0e7a1365eb57271d413252c1c8744bc2cfa0f4fa5090300b"`
Dec 19 15:49:25.851 INFO running `"docker" "rm" "-f" "60cf9b009140eaec0e7a1365eb57271d413252c1c8744bc2cfa0f4fa5090300b"`
Dec 19 15:49:26.101 INFO [stdout] 60cf9b009140eaec0e7a1365eb57271d413252c1c8744bc2cfa0f4fa5090300b