Dec 13 10:48:36.423 INFO testing mgdm/med against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 10:48:36.423 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 13 10:48:36.825 INFO [stdout] 98e46dabbcd80769671035ee393e4849467843422e732c1d2d2fabfcbcac7659
Dec 13 10:48:36.828 INFO running `"docker" "start" "-a" "98e46dabbcd80769671035ee393e4849467843422e732c1d2d2fabfcbcac7659"`
Dec 13 10:48:37.863 INFO [stderr] usermod: no changes
Dec 13 10:48:37.912 INFO [stderr]    Compiling text_io v0.1.6
Dec 13 10:48:37.915 INFO [stderr]    Compiling termios v0.2.2
Dec 13 10:48:38.726 INFO [stderr]    Compiling med v0.1.0 (/source)
Dec 13 10:48:38.975 INFO [stderr] warning: unused import: `std::io::Stdin`
Dec 13 10:48:38.975 INFO [stderr]  --> src/input.rs:2:5
Dec 13 10:48:38.975 INFO [stderr]   |
Dec 13 10:48:38.975 INFO [stderr] 2 | use std::io::Stdin;
Dec 13 10:48:38.975 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 13 10:48:38.975 INFO [stderr]   |
Dec 13 10:48:38.975 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 10:48:38.975 INFO [stderr] 
Dec 13 10:48:38.975 INFO [stderr] warning: unused imports: `Stdin`, `Stdout`
Dec 13 10:48:38.975 INFO [stderr]  --> src/screen.rs:3:15
Dec 13 10:48:38.975 INFO [stderr]   |
Dec 13 10:48:38.975 INFO [stderr] 3 | use std::io::{Stdin, Stdout};
Dec 13 10:48:38.975 INFO [stderr]   |               ^^^^^  ^^^^^^
Dec 13 10:48:38.975 INFO [stderr] 
Dec 13 10:48:38.975 INFO [stderr] warning: unused imports: `StdinLock`, `Stdin`, `StdoutLock`, `Stdout`
Dec 13 10:48:38.975 INFO [stderr]  --> src/cursor.rs:3:16
Dec 13 10:48:38.975 INFO [stderr]   |
Dec 13 10:48:38.975 INFO [stderr] 3 | use std::io::{ Stdin, StdinLock, Stdout, StdoutLock };
Dec 13 10:48:38.975 INFO [stderr]   |                ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
Dec 13 10:48:38.975 INFO [stderr] 
Dec 13 10:48:39.091 INFO [stderr] warning: unused variable: `remainder`
Dec 13 10:48:39.091 INFO [stderr]   --> src/screen.rs:85:13
Dec 13 10:48:39.091 INFO [stderr]    |
Dec 13 10:48:39.091 INFO [stderr] 85 |         let remainder = self.height - welcome_pos - 1;
Dec 13 10:48:39.091 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_remainder` instead
Dec 13 10:48:39.091 INFO [stderr]    |
Dec 13 10:48:39.091 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 10:48:39.091 INFO [stderr] 
Dec 13 10:48:39.091 INFO [stderr] warning: unused variable: `s`
Dec 13 10:48:39.091 INFO [stderr]   --> src/cursor.rs:35:16
Dec 13 10:48:39.091 INFO [stderr]    |
Dec 13 10:48:39.091 INFO [stderr] 35 |             Ok(s) => {
Dec 13 10:48:39.091 INFO [stderr]    |                ^ help: consider using `_s` instead
Dec 13 10:48:39.091 INFO [stderr] 
Dec 13 10:48:39.095 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:48:39.095 INFO [stderr]   --> src/main.rs:39:9
Dec 13 10:48:39.095 INFO [stderr]    |
Dec 13 10:48:39.095 INFO [stderr] 39 |     let mut stdio = Stdio::new(io::stdin(), io::stdout());
Dec 13 10:48:39.095 INFO [stderr]    |         ----^^^^^
Dec 13 10:48:39.095 INFO [stderr]    |         |
Dec 13 10:48:39.095 INFO [stderr]    |         help: remove this `mut`
Dec 13 10:48:39.095 INFO [stderr]    |
Dec 13 10:48:39.095 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 10:48:39.095 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: static item is never used: `CLEAR_LINE`
Dec 13 10:48:39.130 INFO [stderr]   --> src/screen.rs:12:1
Dec 13 10:48:39.130 INFO [stderr]    |
Dec 13 10:48:39.130 INFO [stderr] 12 | static CLEAR_LINE: &'static str = "\x1b[K";
Dec 13 10:48:39.130 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.130 INFO [stderr]    |
Dec 13 10:48:39.130 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 10:48:39.130 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: field is never used: `cursor_x`
Dec 13 10:48:39.130 INFO [stderr]   --> src/screen.rs:24:5
Dec 13 10:48:39.130 INFO [stderr]    |
Dec 13 10:48:39.130 INFO [stderr] 24 |     cursor_x: usize,
Dec 13 10:48:39.130 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 10:48:39.130 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: field is never used: `cursor_y`
Dec 13 10:48:39.130 INFO [stderr]   --> src/screen.rs:25:5
Dec 13 10:48:39.130 INFO [stderr]    |
Dec 13 10:48:39.130 INFO [stderr] 25 |     cursor_y: usize
Dec 13 10:48:39.130 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 10:48:39.130 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: method is never used: `clear`
Dec 13 10:48:39.130 INFO [stderr]   --> src/screen.rs:71:5
Dec 13 10:48:39.130 INFO [stderr]    |
Dec 13 10:48:39.130 INFO [stderr] 71 |     pub fn clear(&self) {
Dec 13 10:48:39.130 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.130 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: static item is never used: `POSITION_REPORT`
Dec 13 10:48:39.130 INFO [stderr]  --> src/cursor.rs:7:1
Dec 13 10:48:39.130 INFO [stderr]   |
Dec 13 10:48:39.130 INFO [stderr] 7 | static POSITION_REPORT: &'static str = "\x1b[6n\r\n";
Dec 13 10:48:39.130 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.130 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: static item is never used: `SHOW_CURSOR`
Dec 13 10:48:39.130 INFO [stderr]  --> src/cursor.rs:8:1
Dec 13 10:48:39.130 INFO [stderr]   |
Dec 13 10:48:39.130 INFO [stderr] 8 | static SHOW_CURSOR: &'static str = "\x1b[?25h";
Dec 13 10:48:39.130 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.130 INFO [stderr] 
Dec 13 10:48:39.130 INFO [stderr] warning: static item is never used: `HIDE_CURSOR`
Dec 13 10:48:39.130 INFO [stderr]  --> src/cursor.rs:9:1
Dec 13 10:48:39.130 INFO [stderr]   |
Dec 13 10:48:39.131 INFO [stderr] 9 | static HIDE_CURSOR: &'static str = "\x1b[?25l";
Dec 13 10:48:39.131 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: struct is never constructed: `Cursor`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:11:1
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 11 | pub struct Cursor {
Dec 13 10:48:39.131 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: method is never used: `new`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:20:5
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 20 |     pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor {
Dec 13 10:48:39.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: method is never used: `get_position`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:28:5
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 28 |     pub fn get_position(&self) -> io::Result<(usize, usize)> {
Dec 13 10:48:39.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: method is never used: `show`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:47:5
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 47 |     pub fn show(&self) {
Dec 13 10:48:39.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: method is never used: `hide`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:51:5
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 51 |     pub fn hide(&self) {
Dec 13 10:48:39.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: method is never used: `move_to`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:55:5
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 55 |     fn move_to(&self, x: u8, y: u8) {
Dec 13 10:48:39.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: method is never used: `write`
Dec 13 10:48:39.131 INFO [stderr]   --> src/cursor.rs:59:5
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 59 |     fn write(&self, bytes: &[u8]) {
Dec 13 10:48:39.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.131 INFO [stderr] warning: function is never used: `is_ctrl`
Dec 13 10:48:39.131 INFO [stderr]   --> src/main.rs:23:1
Dec 13 10:48:39.131 INFO [stderr]    |
Dec 13 10:48:39.131 INFO [stderr] 23 | fn is_ctrl(c: u8) -> bool {
Dec 13 10:48:39.131 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:39.131 INFO [stderr] 
Dec 13 10:48:39.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 13 10:48:39.747 INFO [stderr] su: No module specific data is present
Dec 13 10:48:40.830 INFO running `"docker" "inspect" "98e46dabbcd80769671035ee393e4849467843422e732c1d2d2fabfcbcac7659"`
Dec 13 10:48:41.039 INFO running `"docker" "rm" "-f" "98e46dabbcd80769671035ee393e4849467843422e732c1d2d2fabfcbcac7659"`
Dec 13 10:48:41.134 INFO [stdout] 98e46dabbcd80769671035ee393e4849467843422e732c1d2d2fabfcbcac7659
Dec 13 10:48:41.144 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 13 10:48:41.443 INFO [stdout] 7f236c63a786997c49c6ebe1bfdb14f66d8fd5c0f4714b5dc471e9ca035b04ae
Dec 13 10:48:41.443 INFO running `"docker" "start" "-a" "7f236c63a786997c49c6ebe1bfdb14f66d8fd5c0f4714b5dc471e9ca035b04ae"`
Dec 13 10:48:42.106 INFO [stderr] usermod: no changes
Dec 13 10:48:42.143 INFO [stderr]    Compiling med v0.1.0 (/source)
Dec 13 10:48:42.427 INFO [stderr] warning: unused import: `std::io::Stdin`
Dec 13 10:48:42.427 INFO [stderr]  --> src/input.rs:2:5
Dec 13 10:48:42.427 INFO [stderr]   |
Dec 13 10:48:42.427 INFO [stderr] 2 | use std::io::Stdin;
Dec 13 10:48:42.427 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 13 10:48:42.427 INFO [stderr]   |
Dec 13 10:48:42.427 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 10:48:42.427 INFO [stderr] 
Dec 13 10:48:42.427 INFO [stderr] warning: unused imports: `Stdin`, `Stdout`
Dec 13 10:48:42.427 INFO [stderr]  --> src/screen.rs:3:15
Dec 13 10:48:42.427 INFO [stderr]   |
Dec 13 10:48:42.427 INFO [stderr] 3 | use std::io::{Stdin, Stdout};
Dec 13 10:48:42.427 INFO [stderr]   |               ^^^^^  ^^^^^^
Dec 13 10:48:42.427 INFO [stderr] 
Dec 13 10:48:42.427 INFO [stderr] warning: unused imports: `StdinLock`, `Stdin`, `StdoutLock`, `Stdout`
Dec 13 10:48:42.427 INFO [stderr]  --> src/cursor.rs:3:16
Dec 13 10:48:42.427 INFO [stderr]   |
Dec 13 10:48:42.427 INFO [stderr] 3 | use std::io::{ Stdin, StdinLock, Stdout, StdoutLock };
Dec 13 10:48:42.427 INFO [stderr]   |                ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
Dec 13 10:48:42.427 INFO [stderr] 
Dec 13 10:48:42.533 INFO [stderr] warning: unused variable: `remainder`
Dec 13 10:48:42.533 INFO [stderr]   --> src/screen.rs:85:13
Dec 13 10:48:42.533 INFO [stderr]    |
Dec 13 10:48:42.533 INFO [stderr] 85 |         let remainder = self.height - welcome_pos - 1;
Dec 13 10:48:42.533 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_remainder` instead
Dec 13 10:48:42.533 INFO [stderr]    |
Dec 13 10:48:42.533 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 10:48:42.533 INFO [stderr] 
Dec 13 10:48:42.533 INFO [stderr] warning: unused variable: `s`
Dec 13 10:48:42.533 INFO [stderr]   --> src/cursor.rs:35:16
Dec 13 10:48:42.533 INFO [stderr]    |
Dec 13 10:48:42.533 INFO [stderr] 35 |             Ok(s) => {
Dec 13 10:48:42.533 INFO [stderr]    |                ^ help: consider using `_s` instead
Dec 13 10:48:42.533 INFO [stderr] 
Dec 13 10:48:42.536 INFO [stderr] warning: variable does not need to be mutable
Dec 13 10:48:42.536 INFO [stderr]   --> src/main.rs:39:9
Dec 13 10:48:42.536 INFO [stderr]    |
Dec 13 10:48:42.536 INFO [stderr] 39 |     let mut stdio = Stdio::new(io::stdin(), io::stdout());
Dec 13 10:48:42.536 INFO [stderr]    |         ----^^^^^
Dec 13 10:48:42.536 INFO [stderr]    |         |
Dec 13 10:48:42.536 INFO [stderr]    |         help: remove this `mut`
Dec 13 10:48:42.536 INFO [stderr]    |
Dec 13 10:48:42.543 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 10:48:42.543 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: static item is never used: `CLEAR_LINE`
Dec 13 10:48:42.575 INFO [stderr]   --> src/screen.rs:12:1
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 12 | static CLEAR_LINE: &'static str = "\x1b[K";
Dec 13 10:48:42.575 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: field is never used: `cursor_x`
Dec 13 10:48:42.575 INFO [stderr]   --> src/screen.rs:24:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 24 |     cursor_x: usize,
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: field is never used: `cursor_y`
Dec 13 10:48:42.575 INFO [stderr]   --> src/screen.rs:25:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 25 |     cursor_y: usize
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `clear`
Dec 13 10:48:42.575 INFO [stderr]   --> src/screen.rs:71:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 71 |     pub fn clear(&self) {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: static item is never used: `POSITION_REPORT`
Dec 13 10:48:42.575 INFO [stderr]  --> src/cursor.rs:7:1
Dec 13 10:48:42.575 INFO [stderr]   |
Dec 13 10:48:42.575 INFO [stderr] 7 | static POSITION_REPORT: &'static str = "\x1b[6n\r\n";
Dec 13 10:48:42.575 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: static item is never used: `SHOW_CURSOR`
Dec 13 10:48:42.575 INFO [stderr]  --> src/cursor.rs:8:1
Dec 13 10:48:42.575 INFO [stderr]   |
Dec 13 10:48:42.575 INFO [stderr] 8 | static SHOW_CURSOR: &'static str = "\x1b[?25h";
Dec 13 10:48:42.575 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: static item is never used: `HIDE_CURSOR`
Dec 13 10:48:42.575 INFO [stderr]  --> src/cursor.rs:9:1
Dec 13 10:48:42.575 INFO [stderr]   |
Dec 13 10:48:42.575 INFO [stderr] 9 | static HIDE_CURSOR: &'static str = "\x1b[?25l";
Dec 13 10:48:42.575 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: struct is never constructed: `Cursor`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:11:1
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 11 | pub struct Cursor {
Dec 13 10:48:42.575 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `new`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:20:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 20 |     pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `get_position`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:28:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 28 |     pub fn get_position(&self) -> io::Result<(usize, usize)> {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `show`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:47:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 47 |     pub fn show(&self) {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `hide`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:51:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 51 |     pub fn hide(&self) {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `move_to`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:55:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 55 |     fn move_to(&self, x: u8, y: u8) {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.575 INFO [stderr] 
Dec 13 10:48:42.575 INFO [stderr] warning: method is never used: `write`
Dec 13 10:48:42.575 INFO [stderr]   --> src/cursor.rs:59:5
Dec 13 10:48:42.575 INFO [stderr]    |
Dec 13 10:48:42.575 INFO [stderr] 59 |     fn write(&self, bytes: &[u8]) {
Dec 13 10:48:42.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.576 INFO [stderr] 
Dec 13 10:48:42.576 INFO [stderr] warning: function is never used: `is_ctrl`
Dec 13 10:48:42.576 INFO [stderr]   --> src/main.rs:23:1
Dec 13 10:48:42.576 INFO [stderr]    |
Dec 13 10:48:42.576 INFO [stderr] 23 | fn is_ctrl(c: u8) -> bool {
Dec 13 10:48:42.576 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 10:48:42.576 INFO [stderr] 
Dec 13 10:48:42.954 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 13 10:48:42.957 INFO [stderr] su: No module specific data is present
Dec 13 10:48:43.379 INFO running `"docker" "inspect" "7f236c63a786997c49c6ebe1bfdb14f66d8fd5c0f4714b5dc471e9ca035b04ae"`
Dec 13 10:48:43.664 INFO running `"docker" "rm" "-f" "7f236c63a786997c49c6ebe1bfdb14f66d8fd5c0f4714b5dc471e9ca035b04ae"`
Dec 13 10:48:44.021 INFO [stdout] 7f236c63a786997c49c6ebe1bfdb14f66d8fd5c0f4714b5dc471e9ca035b04ae
Dec 13 10:48:44.025 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 13 10:48:44.525 INFO [stdout] a17af2ba1905c8f7fb4ab2801f2cd05853eeb613b1afc86f2667d986124c23d4
Dec 13 10:48:44.531 INFO running `"docker" "start" "-a" "a17af2ba1905c8f7fb4ab2801f2cd05853eeb613b1afc86f2667d986124c23d4"`
Dec 13 10:48:45.599 INFO [stderr] usermod: no changes
Dec 13 10:48:45.682 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 10:48:45.683 INFO [stderr]      Running /target/debug/deps/med-92d3a03f3f0907b2
Dec 13 10:48:45.683 INFO [stderr] su: No module specific data is present
Dec 13 10:48:45.683 INFO [stdout] 
Dec 13 10:48:45.683 INFO [stdout] running 0 tests
Dec 13 10:48:45.683 INFO [stdout] 
Dec 13 10:48:45.683 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 10:48:45.683 INFO [stdout] 
Dec 13 10:48:46.543 INFO running `"docker" "inspect" "a17af2ba1905c8f7fb4ab2801f2cd05853eeb613b1afc86f2667d986124c23d4"`
Dec 13 10:48:47.018 INFO running `"docker" "rm" "-f" "a17af2ba1905c8f7fb4ab2801f2cd05853eeb613b1afc86f2667d986124c23d4"`
Dec 13 10:48:47.335 INFO [stdout] a17af2ba1905c8f7fb4ab2801f2cd05853eeb613b1afc86f2667d986124c23d4