[INFO] updating cached repository https://github.com/mgdm/med
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0694c96dd315d61da16b0836c12c5ed18af5815f
[INFO] checking mgdm/med against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgdm%2Fmed" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgdm/med on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mgdm/med
[INFO] finished tweaking git repo https://github.com/mgdm/med
[INFO] tweaked toml for git repo https://github.com/mgdm/med written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mgdm/med already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f6b51ad6b55e623772b413ce0ba9061fb5e763abb34c0168310e4cffd74c2e7
[INFO] running `"docker" "start" "-a" "5f6b51ad6b55e623772b413ce0ba9061fb5e763abb34c0168310e4cffd74c2e7"`
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking med v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Stdin`
[INFO] [stderr]  --> src/input.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Stdin`, `Stdout`
[INFO] [stderr]  --> src/screen.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Stdin, Stdout};
[INFO] [stderr]   |               ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `StdinLock`, `Stdin`, `StdoutLock`, `Stdout`
[INFO] [stderr]  --> src/cursor.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{ Stdin, StdinLock, Stdout, StdoutLock };
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Stdin`
[INFO] [stderr]  --> src/input.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Stdin`, `Stdout`
[INFO] [stderr]  --> src/screen.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Stdin, Stdout};
[INFO] [stderr]   |               ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `StdinLock`, `Stdin`, `StdoutLock`, `Stdout`
[INFO] [stderr]  --> src/cursor.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{ Stdin, StdinLock, Stdout, StdoutLock };
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/screen.rs:81:38
[INFO] [stderr]    |
[INFO] [stderr] 81 |             return String::from(rows.trim_right());
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/screen.rs:100:39
[INFO] [stderr]     |
[INFO] [stderr] 100 |         format!("{}{}{}{}{}{}", first.trim_right(), padding, WELCOME, VERSION, "\r\n", last)
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/screen.rs:81:38
[INFO] [stderr]    |
[INFO] [stderr] 81 |             return String::from(rows.trim_right());
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/screen.rs:100:39
[INFO] [stderr]     |
[INFO] [stderr] 100 |         format!("{}{}{}{}{}{}", first.trim_right(), padding, WELCOME, VERSION, "\r\n", last)
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]   --> src/screen.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let remainder = self.height - welcome_pos - 1;
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_remainder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/cursor.rs:35:16
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Ok(s) => {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut stdio = Stdio::new(io::stdin(), io::stdout());
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]   --> src/screen.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let remainder = self.height - welcome_pos - 1;
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_remainder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/cursor.rs:35:16
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Ok(s) => {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `CLEAR_LINE`
[INFO] [stderr]   --> src/screen.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | static CLEAR_LINE: &'static str = "\x1b[K";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cursor_x`
[INFO] [stderr]   --> src/screen.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     cursor_x: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cursor_y`
[INFO] [stderr]   --> src/screen.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     cursor_y: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/screen.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn clear(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `POSITION_REPORT`
[INFO] [stderr]  --> src/cursor.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | static POSITION_REPORT: &'static str = "\x1b[6n\r\n";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `SHOW_CURSOR`
[INFO] [stderr]  --> src/cursor.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | static SHOW_CURSOR: &'static str = "\x1b[?25h";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `HIDE_CURSOR`
[INFO] [stderr]  --> src/cursor.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | static HIDE_CURSOR: &'static str = "\x1b[?25l";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cursor`
[INFO] [stderr]   --> src/cursor.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Cursor {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cursor.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_position`
[INFO] [stderr]   --> src/cursor.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_position(&self) -> io::Result<(usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `show`
[INFO] [stderr]   --> src/cursor.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn show(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hide`
[INFO] [stderr]   --> src/cursor.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn hide(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_to`
[INFO] [stderr]   --> src/cursor.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn move_to(&self, x: u8, y: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/cursor.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn write(&self, bytes: &[u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_ctrl`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn is_ctrl(c: u8) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut stdio = Stdio::new(io::stdin(), io::stdout());
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `CLEAR_LINE`
[INFO] [stderr]   --> src/screen.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | static CLEAR_LINE: &'static str = "\x1b[K";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cursor_x`
[INFO] [stderr]   --> src/screen.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     cursor_x: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cursor_y`
[INFO] [stderr]   --> src/screen.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     cursor_y: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/screen.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn clear(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `POSITION_REPORT`
[INFO] [stderr]  --> src/cursor.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | static POSITION_REPORT: &'static str = "\x1b[6n\r\n";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `SHOW_CURSOR`
[INFO] [stderr]  --> src/cursor.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | static SHOW_CURSOR: &'static str = "\x1b[?25h";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `HIDE_CURSOR`
[INFO] [stderr]  --> src/cursor.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | static HIDE_CURSOR: &'static str = "\x1b[?25l";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cursor`
[INFO] [stderr]   --> src/cursor.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Cursor {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cursor.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_position`
[INFO] [stderr]   --> src/cursor.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_position(&self) -> io::Result<(usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `show`
[INFO] [stderr]   --> src/cursor.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn show(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hide`
[INFO] [stderr]   --> src/cursor.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn hide(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_to`
[INFO] [stderr]   --> src/cursor.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn move_to(&self, x: u8, y: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/cursor.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn write(&self, bytes: &[u8]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_ctrl`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn is_ctrl(c: u8) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "5f6b51ad6b55e623772b413ce0ba9061fb5e763abb34c0168310e4cffd74c2e7"`
[INFO] running `"docker" "rm" "-f" "5f6b51ad6b55e623772b413ce0ba9061fb5e763abb34c0168310e4cffd74c2e7"`
[INFO] [stdout] 5f6b51ad6b55e623772b413ce0ba9061fb5e763abb34c0168310e4cffd74c2e7