Nov 16 19:46:55.530 INFO testing mgdm/med against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 19:46:55.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 19:46:56.037 INFO [stdout] 59d37599e17d4eb5bd24bc57726afcdc657fea116970f41c96790cc3177f1075
Nov 16 19:46:56.041 INFO running `"docker" "start" "-a" "59d37599e17d4eb5bd24bc57726afcdc657fea116970f41c96790cc3177f1075"`
Nov 16 19:46:57.094 INFO [stderr] usermod: no changes
Nov 16 19:46:57.143 INFO [stderr]    Compiling text_io v0.1.6
Nov 16 19:46:57.143 INFO [stderr]    Compiling termios v0.2.2
Nov 16 19:46:57.903 INFO [stderr]    Compiling med v0.1.0 (/source)
Nov 16 19:46:58.182 INFO [stderr] warning: unused import: `std::io::Stdin`
Nov 16 19:46:58.183 INFO [stderr]  --> src/input.rs:2:5
Nov 16 19:46:58.183 INFO [stderr]   |
Nov 16 19:46:58.183 INFO [stderr] 2 | use std::io::Stdin;
Nov 16 19:46:58.183 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 16 19:46:58.184 INFO [stderr]   |
Nov 16 19:46:58.184 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 19:46:58.184 INFO [stderr] 
Nov 16 19:46:58.184 INFO [stderr] warning: unused imports: `Stdin`, `Stdout`
Nov 16 19:46:58.184 INFO [stderr]  --> src/screen.rs:3:15
Nov 16 19:46:58.185 INFO [stderr]   |
Nov 16 19:46:58.185 INFO [stderr] 3 | use std::io::{Stdin, Stdout};
Nov 16 19:46:58.185 INFO [stderr]   |               ^^^^^  ^^^^^^
Nov 16 19:46:58.185 INFO [stderr] 
Nov 16 19:46:58.185 INFO [stderr] warning: unused imports: `StdinLock`, `Stdin`, `StdoutLock`, `Stdout`
Nov 16 19:46:58.186 INFO [stderr]  --> src/cursor.rs:3:16
Nov 16 19:46:58.186 INFO [stderr]   |
Nov 16 19:46:58.186 INFO [stderr] 3 | use std::io::{ Stdin, StdinLock, Stdout, StdoutLock };
Nov 16 19:46:58.186 INFO [stderr]   |                ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
Nov 16 19:46:58.186 INFO [stderr] 
Nov 16 19:46:58.380 INFO [stderr] warning: unused variable: `remainder`
Nov 16 19:46:58.380 INFO [stderr]   --> src/screen.rs:85:13
Nov 16 19:46:58.380 INFO [stderr]    |
Nov 16 19:46:58.381 INFO [stderr] 85 |         let remainder = self.height - welcome_pos - 1;
Nov 16 19:46:58.381 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_remainder` instead
Nov 16 19:46:58.382 INFO [stderr]    |
Nov 16 19:46:58.382 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 19:46:58.382 INFO [stderr] 
Nov 16 19:46:58.383 INFO [stderr] warning: unused variable: `s`
Nov 16 19:46:58.383 INFO [stderr]   --> src/cursor.rs:35:16
Nov 16 19:46:58.383 INFO [stderr]    |
Nov 16 19:46:58.383 INFO [stderr] 35 |             Ok(s) => {
Nov 16 19:46:58.384 INFO [stderr]    |                ^ help: consider using `_s` instead
Nov 16 19:46:58.384 INFO [stderr] 
Nov 16 19:46:58.387 INFO [stderr] warning: variable does not need to be mutable
Nov 16 19:46:58.387 INFO [stderr]   --> src/main.rs:39:9
Nov 16 19:46:58.387 INFO [stderr]    |
Nov 16 19:46:58.387 INFO [stderr] 39 |     let mut stdio = Stdio::new(io::stdin(), io::stdout());
Nov 16 19:46:58.387 INFO [stderr]    |         ----^^^^^
Nov 16 19:46:58.387 INFO [stderr]    |         |
Nov 16 19:46:58.387 INFO [stderr]    |         help: remove this `mut`
Nov 16 19:46:58.387 INFO [stderr]    |
Nov 16 19:46:58.387 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 19:46:58.387 INFO [stderr] 
Nov 16 19:46:58.441 INFO [stderr] warning: static item is never used: `CLEAR_LINE`
Nov 16 19:46:58.441 INFO [stderr]   --> src/screen.rs:12:1
Nov 16 19:46:58.441 INFO [stderr]    |
Nov 16 19:46:58.449 INFO [stderr] 12 | static CLEAR_LINE: &'static str = "\x1b[K";
Nov 16 19:46:58.449 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.449 INFO [stderr]    |
Nov 16 19:46:58.450 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 19:46:58.450 INFO [stderr] 
Nov 16 19:46:58.451 INFO [stderr] warning: field is never used: `cursor_x`
Nov 16 19:46:58.451 INFO [stderr]   --> src/screen.rs:24:5
Nov 16 19:46:58.451 INFO [stderr]    |
Nov 16 19:46:58.451 INFO [stderr] 24 |     cursor_x: usize,
Nov 16 19:46:58.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 19:46:58.452 INFO [stderr] 
Nov 16 19:46:58.452 INFO [stderr] warning: field is never used: `cursor_y`
Nov 16 19:46:58.453 INFO [stderr]   --> src/screen.rs:25:5
Nov 16 19:46:58.453 INFO [stderr]    |
Nov 16 19:46:58.453 INFO [stderr] 25 |     cursor_y: usize
Nov 16 19:46:58.454 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 19:46:58.454 INFO [stderr] 
Nov 16 19:46:58.454 INFO [stderr] warning: method is never used: `clear`
Nov 16 19:46:58.455 INFO [stderr]   --> src/screen.rs:71:5
Nov 16 19:46:58.455 INFO [stderr]    |
Nov 16 19:46:58.455 INFO [stderr] 71 |     pub fn clear(&self) {
Nov 16 19:46:58.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.456 INFO [stderr] 
Nov 16 19:46:58.456 INFO [stderr] warning: static item is never used: `POSITION_REPORT`
Nov 16 19:46:58.456 INFO [stderr]  --> src/cursor.rs:7:1
Nov 16 19:46:58.457 INFO [stderr]   |
Nov 16 19:46:58.457 INFO [stderr] 7 | static POSITION_REPORT: &'static str = "\x1b[6n\r\n";
Nov 16 19:46:58.457 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.458 INFO [stderr] 
Nov 16 19:46:58.458 INFO [stderr] warning: static item is never used: `SHOW_CURSOR`
Nov 16 19:46:58.458 INFO [stderr]  --> src/cursor.rs:8:1
Nov 16 19:46:58.458 INFO [stderr]   |
Nov 16 19:46:58.459 INFO [stderr] 8 | static SHOW_CURSOR: &'static str = "\x1b[?25h";
Nov 16 19:46:58.459 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.459 INFO [stderr] 
Nov 16 19:46:58.460 INFO [stderr] warning: static item is never used: `HIDE_CURSOR`
Nov 16 19:46:58.460 INFO [stderr]  --> src/cursor.rs:9:1
Nov 16 19:46:58.460 INFO [stderr]   |
Nov 16 19:46:58.460 INFO [stderr] 9 | static HIDE_CURSOR: &'static str = "\x1b[?25l";
Nov 16 19:46:58.461 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.461 INFO [stderr] 
Nov 16 19:46:58.461 INFO [stderr] warning: struct is never constructed: `Cursor`
Nov 16 19:46:58.462 INFO [stderr]   --> src/cursor.rs:11:1
Nov 16 19:46:58.462 INFO [stderr]    |
Nov 16 19:46:58.462 INFO [stderr] 11 | pub struct Cursor {
Nov 16 19:46:58.463 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.463 INFO [stderr] 
Nov 16 19:46:58.463 INFO [stderr] warning: method is never used: `new`
Nov 16 19:46:58.463 INFO [stderr]   --> src/cursor.rs:20:5
Nov 16 19:46:58.464 INFO [stderr]    |
Nov 16 19:46:58.464 INFO [stderr] 20 |     pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor {
Nov 16 19:46:58.464 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.465 INFO [stderr] 
Nov 16 19:46:58.465 INFO [stderr] warning: method is never used: `get_position`
Nov 16 19:46:58.465 INFO [stderr]   --> src/cursor.rs:28:5
Nov 16 19:46:58.466 INFO [stderr]    |
Nov 16 19:46:58.466 INFO [stderr] 28 |     pub fn get_position(&self) -> io::Result<(usize, usize)> {
Nov 16 19:46:58.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.471 INFO [stderr] 
Nov 16 19:46:58.471 INFO [stderr] warning: method is never used: `show`
Nov 16 19:46:58.471 INFO [stderr]   --> src/cursor.rs:47:5
Nov 16 19:46:58.471 INFO [stderr]    |
Nov 16 19:46:58.472 INFO [stderr] 47 |     pub fn show(&self) {
Nov 16 19:46:58.472 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.472 INFO [stderr] 
Nov 16 19:46:58.473 INFO [stderr] warning: method is never used: `hide`
Nov 16 19:46:58.473 INFO [stderr]   --> src/cursor.rs:51:5
Nov 16 19:46:58.473 INFO [stderr]    |
Nov 16 19:46:58.474 INFO [stderr] 51 |     pub fn hide(&self) {
Nov 16 19:46:58.474 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.474 INFO [stderr] 
Nov 16 19:46:58.475 INFO [stderr] warning: method is never used: `move_to`
Nov 16 19:46:58.475 INFO [stderr]   --> src/cursor.rs:55:5
Nov 16 19:46:58.475 INFO [stderr]    |
Nov 16 19:46:58.475 INFO [stderr] 55 |     fn move_to(&self, x: u8, y: u8) {
Nov 16 19:46:58.476 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.476 INFO [stderr] 
Nov 16 19:46:58.476 INFO [stderr] warning: method is never used: `write`
Nov 16 19:46:58.476 INFO [stderr]   --> src/cursor.rs:59:5
Nov 16 19:46:58.477 INFO [stderr]    |
Nov 16 19:46:58.477 INFO [stderr] 59 |     fn write(&self, bytes: &[u8]) {
Nov 16 19:46:58.477 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.477 INFO [stderr] 
Nov 16 19:46:58.477 INFO [stderr] warning: function is never used: `is_ctrl`
Nov 16 19:46:58.478 INFO [stderr]   --> src/main.rs:23:1
Nov 16 19:46:58.478 INFO [stderr]    |
Nov 16 19:46:58.478 INFO [stderr] 23 | fn is_ctrl(c: u8) -> bool {
Nov 16 19:46:58.478 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:46:58.483 INFO [stderr] 
Nov 16 19:46:59.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Nov 16 19:46:59.012 INFO [stderr] su: No module specific data is present
Nov 16 19:46:59.608 INFO running `"docker" "inspect" "59d37599e17d4eb5bd24bc57726afcdc657fea116970f41c96790cc3177f1075"`
Nov 16 19:46:59.792 INFO running `"docker" "rm" "-f" "59d37599e17d4eb5bd24bc57726afcdc657fea116970f41c96790cc3177f1075"`
Nov 16 19:47:00.151 INFO [stdout] 59d37599e17d4eb5bd24bc57726afcdc657fea116970f41c96790cc3177f1075
Nov 16 19:47:00.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 19:47:00.373 INFO [stdout] 8b43e1f2415a13f2015edc0ce492baf061535c9299c37ec90eabbc82ead02bec
Nov 16 19:47:00.377 INFO running `"docker" "start" "-a" "8b43e1f2415a13f2015edc0ce492baf061535c9299c37ec90eabbc82ead02bec"`
Nov 16 19:47:01.574 INFO [stderr] usermod: no changes
Nov 16 19:47:01.607 INFO [stderr]    Compiling med v0.1.0 (/source)
Nov 16 19:47:01.835 INFO [stderr] warning: unused import: `std::io::Stdin`
Nov 16 19:47:01.835 INFO [stderr]  --> src/input.rs:2:5
Nov 16 19:47:01.836 INFO [stderr]   |
Nov 16 19:47:01.836 INFO [stderr] 2 | use std::io::Stdin;
Nov 16 19:47:01.836 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 16 19:47:01.836 INFO [stderr]   |
Nov 16 19:47:01.837 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 19:47:01.837 INFO [stderr] 
Nov 16 19:47:01.837 INFO [stderr] warning: unused imports: `Stdin`, `Stdout`
Nov 16 19:47:01.838 INFO [stderr]  --> src/screen.rs:3:15
Nov 16 19:47:01.838 INFO [stderr]   |
Nov 16 19:47:01.838 INFO [stderr] 3 | use std::io::{Stdin, Stdout};
Nov 16 19:47:01.838 INFO [stderr]   |               ^^^^^  ^^^^^^
Nov 16 19:47:01.838 INFO [stderr] 
Nov 16 19:47:01.845 INFO [stderr] warning: unused imports: `StdinLock`, `Stdin`, `StdoutLock`, `Stdout`
Nov 16 19:47:01.845 INFO [stderr]  --> src/cursor.rs:3:16
Nov 16 19:47:01.845 INFO [stderr]   |
Nov 16 19:47:01.845 INFO [stderr] 3 | use std::io::{ Stdin, StdinLock, Stdout, StdoutLock };
Nov 16 19:47:01.846 INFO [stderr]   |                ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
Nov 16 19:47:01.846 INFO [stderr] 
Nov 16 19:47:01.957 INFO [stderr] warning: unused variable: `remainder`
Nov 16 19:47:01.957 INFO [stderr]   --> src/screen.rs:85:13
Nov 16 19:47:01.957 INFO [stderr]    |
Nov 16 19:47:01.957 INFO [stderr] 85 |         let remainder = self.height - welcome_pos - 1;
Nov 16 19:47:01.957 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_remainder` instead
Nov 16 19:47:01.957 INFO [stderr]    |
Nov 16 19:47:01.957 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 19:47:01.957 INFO [stderr] 
Nov 16 19:47:01.957 INFO [stderr] warning: unused variable: `s`
Nov 16 19:47:01.957 INFO [stderr]   --> src/cursor.rs:35:16
Nov 16 19:47:01.957 INFO [stderr]    |
Nov 16 19:47:01.957 INFO [stderr] 35 |             Ok(s) => {
Nov 16 19:47:01.957 INFO [stderr]    |                ^ help: consider using `_s` instead
Nov 16 19:47:01.957 INFO [stderr] 
Nov 16 19:47:01.960 INFO [stderr] warning: variable does not need to be mutable
Nov 16 19:47:01.960 INFO [stderr]   --> src/main.rs:39:9
Nov 16 19:47:01.960 INFO [stderr]    |
Nov 16 19:47:01.960 INFO [stderr] 39 |     let mut stdio = Stdio::new(io::stdin(), io::stdout());
Nov 16 19:47:01.960 INFO [stderr]    |         ----^^^^^
Nov 16 19:47:01.960 INFO [stderr]    |         |
Nov 16 19:47:01.960 INFO [stderr]    |         help: remove this `mut`
Nov 16 19:47:01.960 INFO [stderr]    |
Nov 16 19:47:01.960 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 19:47:01.960 INFO [stderr] 
Nov 16 19:47:02.004 INFO [stderr] warning: static item is never used: `CLEAR_LINE`
Nov 16 19:47:02.004 INFO [stderr]   --> src/screen.rs:12:1
Nov 16 19:47:02.004 INFO [stderr]    |
Nov 16 19:47:02.005 INFO [stderr] 12 | static CLEAR_LINE: &'static str = "\x1b[K";
Nov 16 19:47:02.005 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.005 INFO [stderr]    |
Nov 16 19:47:02.006 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 19:47:02.006 INFO [stderr] 
Nov 16 19:47:02.006 INFO [stderr] warning: field is never used: `cursor_x`
Nov 16 19:47:02.006 INFO [stderr]   --> src/screen.rs:24:5
Nov 16 19:47:02.007 INFO [stderr]    |
Nov 16 19:47:02.007 INFO [stderr] 24 |     cursor_x: usize,
Nov 16 19:47:02.007 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 19:47:02.007 INFO [stderr] 
Nov 16 19:47:02.008 INFO [stderr] warning: field is never used: `cursor_y`
Nov 16 19:47:02.008 INFO [stderr]   --> src/screen.rs:25:5
Nov 16 19:47:02.008 INFO [stderr]    |
Nov 16 19:47:02.008 INFO [stderr] 25 |     cursor_y: usize
Nov 16 19:47:02.009 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 16 19:47:02.009 INFO [stderr] 
Nov 16 19:47:02.009 INFO [stderr] warning: method is never used: `clear`
Nov 16 19:47:02.010 INFO [stderr]   --> src/screen.rs:71:5
Nov 16 19:47:02.010 INFO [stderr]    |
Nov 16 19:47:02.010 INFO [stderr] 71 |     pub fn clear(&self) {
Nov 16 19:47:02.010 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.011 INFO [stderr] 
Nov 16 19:47:02.011 INFO [stderr] warning: static item is never used: `POSITION_REPORT`
Nov 16 19:47:02.011 INFO [stderr]  --> src/cursor.rs:7:1
Nov 16 19:47:02.011 INFO [stderr]   |
Nov 16 19:47:02.012 INFO [stderr] 7 | static POSITION_REPORT: &'static str = "\x1b[6n\r\n";
Nov 16 19:47:02.012 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.012 INFO [stderr] 
Nov 16 19:47:02.012 INFO [stderr] warning: static item is never used: `SHOW_CURSOR`
Nov 16 19:47:02.013 INFO [stderr]  --> src/cursor.rs:8:1
Nov 16 19:47:02.013 INFO [stderr]   |
Nov 16 19:47:02.013 INFO [stderr] 8 | static SHOW_CURSOR: &'static str = "\x1b[?25h";
Nov 16 19:47:02.014 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.014 INFO [stderr] 
Nov 16 19:47:02.014 INFO [stderr] warning: static item is never used: `HIDE_CURSOR`
Nov 16 19:47:02.015 INFO [stderr]  --> src/cursor.rs:9:1
Nov 16 19:47:02.016 INFO [stderr]   |
Nov 16 19:47:02.016 INFO [stderr] 9 | static HIDE_CURSOR: &'static str = "\x1b[?25l";
Nov 16 19:47:02.016 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: struct is never constructed: `Cursor`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:11:1
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 11 | pub struct Cursor {
Nov 16 19:47:02.016 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: method is never used: `new`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:20:5
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 20 |     pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor {
Nov 16 19:47:02.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: method is never used: `get_position`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:28:5
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 28 |     pub fn get_position(&self) -> io::Result<(usize, usize)> {
Nov 16 19:47:02.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: method is never used: `show`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:47:5
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 47 |     pub fn show(&self) {
Nov 16 19:47:02.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: method is never used: `hide`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:51:5
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 51 |     pub fn hide(&self) {
Nov 16 19:47:02.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: method is never used: `move_to`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:55:5
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 55 |     fn move_to(&self, x: u8, y: u8) {
Nov 16 19:47:02.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: method is never used: `write`
Nov 16 19:47:02.016 INFO [stderr]   --> src/cursor.rs:59:5
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 59 |     fn write(&self, bytes: &[u8]) {
Nov 16 19:47:02.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.016 INFO [stderr] warning: function is never used: `is_ctrl`
Nov 16 19:47:02.016 INFO [stderr]   --> src/main.rs:23:1
Nov 16 19:47:02.016 INFO [stderr]    |
Nov 16 19:47:02.016 INFO [stderr] 23 | fn is_ctrl(c: u8) -> bool {
Nov 16 19:47:02.016 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 19:47:02.016 INFO [stderr] 
Nov 16 19:47:02.239 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Nov 16 19:47:02.241 INFO [stderr] su: No module specific data is present
Nov 16 19:47:02.576 INFO running `"docker" "inspect" "8b43e1f2415a13f2015edc0ce492baf061535c9299c37ec90eabbc82ead02bec"`
Nov 16 19:47:02.708 INFO running `"docker" "rm" "-f" "8b43e1f2415a13f2015edc0ce492baf061535c9299c37ec90eabbc82ead02bec"`
Nov 16 19:47:02.819 INFO [stdout] 8b43e1f2415a13f2015edc0ce492baf061535c9299c37ec90eabbc82ead02bec
Nov 16 19:47:02.826 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 19:47:03.069 INFO [stdout] 28acda9b3437cbd920de497c6c5ac7d723e59de37be4606e202ddbd107486cf6
Nov 16 19:47:03.073 INFO running `"docker" "start" "-a" "28acda9b3437cbd920de497c6c5ac7d723e59de37be4606e202ddbd107486cf6"`
Nov 16 19:47:04.191 INFO [stderr] usermod: no changes
Nov 16 19:47:04.251 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 19:47:04.251 INFO [stderr]      Running /target/debug/deps/med-47f774f0631c062e
Nov 16 19:47:04.262 INFO [stdout] 
Nov 16 19:47:04.262 INFO [stdout] running 0 tests
Nov 16 19:47:04.263 INFO [stdout] 
Nov 16 19:47:04.263 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 19:47:04.263 INFO [stdout] 
Nov 16 19:47:04.271 INFO [stderr] su: No module specific data is present
Nov 16 19:47:04.971 INFO running `"docker" "inspect" "28acda9b3437cbd920de497c6c5ac7d723e59de37be4606e202ddbd107486cf6"`
Nov 16 19:47:05.149 INFO running `"docker" "rm" "-f" "28acda9b3437cbd920de497c6c5ac7d723e59de37be4606e202ddbd107486cf6"`
Nov 16 19:47:05.383 INFO [stdout] 28acda9b3437cbd920de497c6c5ac7d723e59de37be4606e202ddbd107486cf6