Dec 17 23:00:27.335 INFO checking ijks/piet-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:00:27.335 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:00:27.876 INFO [stdout] d892768cf48794e7e7265556cba3ae6034b38451cc1dd4f29062301be6b8d4df
Dec 17 23:00:27.882 INFO running `"docker" "start" "-a" "d892768cf48794e7e7265556cba3ae6034b38451cc1dd4f29062301be6b8d4df"`
Dec 17 23:00:29.687 INFO [stderr]    Compiling cc v1.0.2
Dec 17 23:00:29.690 INFO [stderr]     Checking rayon-core v1.2.1
Dec 17 23:00:29.692 INFO [stderr]     Checking num-bigint v0.1.40
Dec 17 23:00:31.368 INFO [stderr]     Checking rayon v0.8.2
Dec 17 23:00:34.512 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 17 23:00:34.886 INFO [stderr]     Checking num-rational v0.1.39
Dec 17 23:00:36.551 INFO [stderr]     Checking num v0.1.40
Dec 17 23:00:39.444 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 17 23:00:41.690 INFO [stderr]     Checking image v0.17.0
Dec 17 23:00:55.012 INFO [stderr]     Checking backtrace v0.3.3
Dec 17 23:00:55.475 INFO [stderr]     Checking error-chain v0.11.0
Dec 17 23:00:55.936 INFO [stderr]     Checking piet v0.1.0 (/opt/crater/workdir)
Dec 17 23:00:56.484 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 17 23:00:56.485 INFO [stderr]  --> src/interpreter.rs:1:5
Dec 17 23:00:56.485 INFO [stderr]   |
Dec 17 23:00:56.485 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 17 23:00:56.486 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.486 INFO [stderr]   |
Dec 17 23:00:56.486 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:00:56.486 INFO [stderr] 
Dec 17 23:00:56.604 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 17 23:00:56.604 INFO [stderr]  --> src/interpreter.rs:1:5
Dec 17 23:00:56.604 INFO [stderr]   |
Dec 17 23:00:56.604 INFO [stderr] 1 | use std::cmp::Ordering;
Dec 17 23:00:56.604 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.604 INFO [stderr]   |
Dec 17 23:00:56.604 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:00:56.604 INFO [stderr] 
Dec 17 23:00:56.801 INFO [stderr] warning: unused variable: `x`
Dec 17 23:00:56.802 INFO [stderr]    --> src/interpreter.rs:120:29
Dec 17 23:00:56.802 INFO [stderr]     |
Dec 17 23:00:56.802 INFO [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
Dec 17 23:00:56.802 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 17 23:00:56.803 INFO [stderr]     |
Dec 17 23:00:56.803 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 23:00:56.803 INFO [stderr] 
Dec 17 23:00:56.804 INFO [stderr] warning: unused variable: `y`
Dec 17 23:00:56.804 INFO [stderr]    --> src/interpreter.rs:133:32
Dec 17 23:00:56.804 INFO [stderr]     |
Dec 17 23:00:56.812 INFO [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
Dec 17 23:00:56.813 INFO [stderr]     |                                ^ help: consider using `_y` instead
Dec 17 23:00:56.813 INFO [stderr] 
Dec 17 23:00:56.814 INFO [stderr] warning: unused variable: `height`
Dec 17 23:00:56.814 INFO [stderr]   --> src/program.rs:78:21
Dec 17 23:00:56.814 INFO [stderr]    |
Dec 17 23:00:56.814 INFO [stderr] 78 |         let (width, height) = self.size;
Dec 17 23:00:56.815 INFO [stderr]    |                     ^^^^^^ help: consider using `_height` instead
Dec 17 23:00:56.815 INFO [stderr] 
Dec 17 23:00:56.942 INFO [stderr] warning: variant is never constructed: `Up`
Dec 17 23:00:56.942 INFO [stderr]   --> src/interpreter.rs:14:5
Dec 17 23:00:56.942 INFO [stderr]    |
Dec 17 23:00:56.942 INFO [stderr] 14 |     Up,
Dec 17 23:00:56.942 INFO [stderr]    |     ^^
Dec 17 23:00:56.942 INFO [stderr]    |
Dec 17 23:00:56.942 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:00:56.942 INFO [stderr] 
Dec 17 23:00:56.942 INFO [stderr] warning: variant is never constructed: `Down`
Dec 17 23:00:56.942 INFO [stderr]   --> src/interpreter.rs:16:5
Dec 17 23:00:56.942 INFO [stderr]    |
Dec 17 23:00:56.942 INFO [stderr] 16 |     Down,
Dec 17 23:00:56.942 INFO [stderr]    |     ^^^^
Dec 17 23:00:56.942 INFO [stderr] 
Dec 17 23:00:56.948 INFO [stderr] warning: variant is never constructed: `Left`
Dec 17 23:00:56.948 INFO [stderr]   --> src/interpreter.rs:17:5
Dec 17 23:00:56.948 INFO [stderr]    |
Dec 17 23:00:56.948 INFO [stderr] 17 |     Left,
Dec 17 23:00:56.948 INFO [stderr]    |     ^^^^
Dec 17 23:00:56.948 INFO [stderr] 
Dec 17 23:00:56.948 INFO [stderr] warning: method is never used: `rotate_clockwise`
Dec 17 23:00:56.948 INFO [stderr]   --> src/interpreter.rs:21:5
Dec 17 23:00:56.948 INFO [stderr]    |
Dec 17 23:00:56.948 INFO [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
Dec 17 23:00:56.948 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.948 INFO [stderr] 
Dec 17 23:00:56.948 INFO [stderr] warning: method is never used: `rotate_counterclockwise`
Dec 17 23:00:56.948 INFO [stderr]   --> src/interpreter.rs:32:5
Dec 17 23:00:56.948 INFO [stderr]    |
Dec 17 23:00:56.948 INFO [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
Dec 17 23:00:56.948 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.948 INFO [stderr] 
Dec 17 23:00:56.948 INFO [stderr] warning: variant is never constructed: `Right`
Dec 17 23:00:56.948 INFO [stderr]   --> src/interpreter.rs:47:5
Dec 17 23:00:56.948 INFO [stderr]    |
Dec 17 23:00:56.948 INFO [stderr] 47 |     Right,
Dec 17 23:00:56.948 INFO [stderr]    |     ^^^^^
Dec 17 23:00:56.948 INFO [stderr] 
Dec 17 23:00:56.948 INFO [stderr] warning: method is never used: `switch`
Dec 17 23:00:56.949 INFO [stderr]   --> src/interpreter.rs:51:5
Dec 17 23:00:56.949 INFO [stderr]    |
Dec 17 23:00:56.949 INFO [stderr] 51 |     pub fn switch(&mut self) {
Dec 17 23:00:56.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: method is never used: `current_block`
Dec 17 23:00:56.949 INFO [stderr]   --> src/interpreter.rs:93:5
Dec 17 23:00:56.949 INFO [stderr]    |
Dec 17 23:00:56.949 INFO [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
Dec 17 23:00:56.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: method is never used: `next_coords`
Dec 17 23:00:56.949 INFO [stderr]   --> src/interpreter.rs:97:5
Dec 17 23:00:56.949 INFO [stderr]    |
Dec 17 23:00:56.949 INFO [stderr] 97 |     fn next_coords(&self) -> Coords {
Dec 17 23:00:56.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: function is never used: `x_key`
Dec 17 23:00:56.949 INFO [stderr]    --> src/interpreter.rs:101:9
Dec 17 23:00:56.949 INFO [stderr]     |
Dec 17 23:00:56.949 INFO [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
Dec 17 23:00:56.949 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: function is never used: `y_key`
Dec 17 23:00:56.949 INFO [stderr]    --> src/interpreter.rs:104:9
Dec 17 23:00:56.949 INFO [stderr]     |
Dec 17 23:00:56.949 INFO [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
Dec 17 23:00:56.949 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: method is never used: `execute_command`
Dec 17 23:00:56.949 INFO [stderr]    --> src/interpreter.rs:167:5
Dec 17 23:00:56.949 INFO [stderr]     |
Dec 17 23:00:56.949 INFO [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
Dec 17 23:00:56.949 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: method is never used: `pointer`
Dec 17 23:00:56.949 INFO [stderr]    --> src/interpreter.rs:261:5
Dec 17 23:00:56.949 INFO [stderr]     |
Dec 17 23:00:56.949 INFO [stderr] 261 |     fn pointer(&mut self, steps: i64) {
Dec 17 23:00:56.949 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: method is never used: `switch`
Dec 17 23:00:56.949 INFO [stderr]    --> src/interpreter.rs:273:5
Dec 17 23:00:56.949 INFO [stderr]     |
Dec 17 23:00:56.949 INFO [stderr] 273 |     fn switch(&mut self, times: i64) {
Dec 17 23:00:56.949 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.949 INFO [stderr] 
Dec 17 23:00:56.949 INFO [stderr] warning: method is never used: `index_to_coords`
Dec 17 23:00:56.949 INFO [stderr]   --> src/program.rs:83:5
Dec 17 23:00:56.949 INFO [stderr]    |
Dec 17 23:00:56.949 INFO [stderr] 83 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
Dec 17 23:00:56.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:56.950 INFO [stderr] 
Dec 17 23:00:57.380 INFO [stderr] warning: unused variable: `x`
Dec 17 23:00:57.380 INFO [stderr]    --> src/interpreter.rs:120:29
Dec 17 23:00:57.380 INFO [stderr]     |
Dec 17 23:00:57.380 INFO [stderr] 120 |                 .filter(|&&(x, y)| y == farthest_y)
Dec 17 23:00:57.380 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 17 23:00:57.380 INFO [stderr]     |
Dec 17 23:00:57.380 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 23:00:57.380 INFO [stderr] 
Dec 17 23:00:57.380 INFO [stderr] warning: unused variable: `y`
Dec 17 23:00:57.380 INFO [stderr]    --> src/interpreter.rs:133:32
Dec 17 23:00:57.380 INFO [stderr]     |
Dec 17 23:00:57.380 INFO [stderr] 133 |                 .filter(|&&(x, y)| x == farthest_x)
Dec 17 23:00:57.380 INFO [stderr]     |                                ^ help: consider using `_y` instead
Dec 17 23:00:57.380 INFO [stderr] 
Dec 17 23:00:57.380 INFO [stderr] warning: unused variable: `height`
Dec 17 23:00:57.381 INFO [stderr]   --> src/program.rs:78:21
Dec 17 23:00:57.381 INFO [stderr]    |
Dec 17 23:00:57.381 INFO [stderr] 78 |         let (width, height) = self.size;
Dec 17 23:00:57.381 INFO [stderr]    |                     ^^^^^^ help: consider using `_height` instead
Dec 17 23:00:57.381 INFO [stderr] 
Dec 17 23:00:57.856 INFO [stderr] warning: variant is never constructed: `Up`
Dec 17 23:00:57.856 INFO [stderr]   --> src/interpreter.rs:14:5
Dec 17 23:00:57.856 INFO [stderr]    |
Dec 17 23:00:57.856 INFO [stderr] 14 |     Up,
Dec 17 23:00:57.856 INFO [stderr]    |     ^^
Dec 17 23:00:57.856 INFO [stderr]    |
Dec 17 23:00:57.856 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:00:57.856 INFO [stderr] 
Dec 17 23:00:57.856 INFO [stderr] warning: variant is never constructed: `Down`
Dec 17 23:00:57.856 INFO [stderr]   --> src/interpreter.rs:16:5
Dec 17 23:00:57.856 INFO [stderr]    |
Dec 17 23:00:57.856 INFO [stderr] 16 |     Down,
Dec 17 23:00:57.856 INFO [stderr]    |     ^^^^
Dec 17 23:00:57.856 INFO [stderr] 
Dec 17 23:00:57.856 INFO [stderr] warning: variant is never constructed: `Left`
Dec 17 23:00:57.856 INFO [stderr]   --> src/interpreter.rs:17:5
Dec 17 23:00:57.856 INFO [stderr]    |
Dec 17 23:00:57.856 INFO [stderr] 17 |     Left,
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: method is never used: `rotate_clockwise`
Dec 17 23:00:57.857 INFO [stderr]   --> src/interpreter.rs:21:5
Dec 17 23:00:57.857 INFO [stderr]    |
Dec 17 23:00:57.857 INFO [stderr] 21 |     pub fn rotate_clockwise(&mut self) {
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: method is never used: `rotate_counterclockwise`
Dec 17 23:00:57.857 INFO [stderr]   --> src/interpreter.rs:32:5
Dec 17 23:00:57.857 INFO [stderr]    |
Dec 17 23:00:57.857 INFO [stderr] 32 |     pub fn rotate_counterclockwise(&mut self) {
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: variant is never constructed: `Right`
Dec 17 23:00:57.857 INFO [stderr]   --> src/interpreter.rs:47:5
Dec 17 23:00:57.857 INFO [stderr]    |
Dec 17 23:00:57.857 INFO [stderr] 47 |     Right,
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: method is never used: `switch`
Dec 17 23:00:57.857 INFO [stderr]   --> src/interpreter.rs:51:5
Dec 17 23:00:57.857 INFO [stderr]    |
Dec 17 23:00:57.857 INFO [stderr] 51 |     pub fn switch(&mut self) {
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: method is never used: `current_block`
Dec 17 23:00:57.857 INFO [stderr]   --> src/interpreter.rs:93:5
Dec 17 23:00:57.857 INFO [stderr]    |
Dec 17 23:00:57.857 INFO [stderr] 93 |     fn current_block(&self) -> HashSet<Coords> {
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: method is never used: `next_coords`
Dec 17 23:00:57.857 INFO [stderr]   --> src/interpreter.rs:97:5
Dec 17 23:00:57.857 INFO [stderr]    |
Dec 17 23:00:57.857 INFO [stderr] 97 |     fn next_coords(&self) -> Coords {
Dec 17 23:00:57.857 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: function is never used: `x_key`
Dec 17 23:00:57.857 INFO [stderr]    --> src/interpreter.rs:101:9
Dec 17 23:00:57.857 INFO [stderr]     |
Dec 17 23:00:57.857 INFO [stderr] 101 |         fn x_key(&(x, _): &Coords) -> usize {
Dec 17 23:00:57.857 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.857 INFO [stderr] 
Dec 17 23:00:57.857 INFO [stderr] warning: function is never used: `y_key`
Dec 17 23:00:57.857 INFO [stderr]    --> src/interpreter.rs:104:9
Dec 17 23:00:57.857 INFO [stderr]     |
Dec 17 23:00:57.858 INFO [stderr] 104 |         fn y_key(&(_, y): &Coords) -> usize {
Dec 17 23:00:57.858 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.858 INFO [stderr] 
Dec 17 23:00:57.858 INFO [stderr] warning: method is never used: `execute_command`
Dec 17 23:00:57.858 INFO [stderr]    --> src/interpreter.rs:167:5
Dec 17 23:00:57.858 INFO [stderr]     |
Dec 17 23:00:57.858 INFO [stderr] 167 |     fn execute_command(&mut self, command: &Command) {
Dec 17 23:00:57.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.858 INFO [stderr] 
Dec 17 23:00:57.858 INFO [stderr] warning: method is never used: `pointer`
Dec 17 23:00:57.858 INFO [stderr]    --> src/interpreter.rs:261:5
Dec 17 23:00:57.858 INFO [stderr]     |
Dec 17 23:00:57.858 INFO [stderr] 261 |     fn pointer(&mut self, steps: i64) {
Dec 17 23:00:57.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.858 INFO [stderr] 
Dec 17 23:00:57.858 INFO [stderr] warning: method is never used: `switch`
Dec 17 23:00:57.858 INFO [stderr]    --> src/interpreter.rs:273:5
Dec 17 23:00:57.858 INFO [stderr]     |
Dec 17 23:00:57.858 INFO [stderr] 273 |     fn switch(&mut self, times: i64) {
Dec 17 23:00:57.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:00:57.858 INFO [stderr] 
Dec 17 23:00:58.340 INFO [stderr] warning: unused variable: `codel_size`
Dec 17 23:00:58.340 INFO [stderr]   --> src/main.rs:23:9
Dec 17 23:00:58.340 INFO [stderr]    |
Dec 17 23:00:58.340 INFO [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
Dec 17 23:00:58.340 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
Dec 17 23:00:58.340 INFO [stderr]    |
Dec 17 23:00:58.348 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:00:58.348 INFO [stderr] 
Dec 17 23:00:58.380 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:00:58.380 INFO [stderr]   --> src/main.rs:34:5
Dec 17 23:00:58.380 INFO [stderr]    |
Dec 17 23:00:58.380 INFO [stderr] 34 |     interpreter.run();
Dec 17 23:00:58.380 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 23:00:58.388 INFO [stderr]    |
Dec 17 23:00:58.388 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:00:58.388 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:00:58.388 INFO [stderr] 
Dec 17 23:00:58.423 INFO [stderr] warning: unused variable: `codel_size`
Dec 17 23:00:58.423 INFO [stderr]   --> src/main.rs:23:9
Dec 17 23:00:58.423 INFO [stderr]    |
Dec 17 23:00:58.423 INFO [stderr] 23 |     let codel_size = matches.value_of("codel_size").map(|_| unimplemented!());
Dec 17 23:00:58.423 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_codel_size` instead
Dec 17 23:00:58.423 INFO [stderr]    |
Dec 17 23:00:58.423 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:00:58.423 INFO [stderr] 
Dec 17 23:00:58.483 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:00:58.483 INFO [stderr]   --> src/main.rs:34:5
Dec 17 23:00:58.483 INFO [stderr]    |
Dec 17 23:00:58.483 INFO [stderr] 34 |     interpreter.run();
Dec 17 23:00:58.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 23:00:58.483 INFO [stderr]    |
Dec 17 23:00:58.483 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:00:58.483 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:00:58.483 INFO [stderr] 
Dec 17 23:00:58.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.02s
Dec 17 23:01:00.104 INFO running `"docker" "inspect" "d892768cf48794e7e7265556cba3ae6034b38451cc1dd4f29062301be6b8d4df"`
Dec 17 23:01:00.374 INFO running `"docker" "rm" "-f" "d892768cf48794e7e7265556cba3ae6034b38451cc1dd4f29062301be6b8d4df"`
Dec 17 23:01:00.670 INFO [stdout] d892768cf48794e7e7265556cba3ae6034b38451cc1dd4f29062301be6b8d4df