[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] testing mgdm/med against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgdm%2Fmed" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mgdm/med on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-10/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 3b51dcdf9f8e6c14bb15de70634162525ec16854faee31f46b552ec854493e9a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "3b51dcdf9f8e6c14bb15de70634162525ec16854faee31f46b552ec854493e9a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling text_io v0.1.6 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling 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: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:78:22 [INFO] [stderr] | [INFO] [stderr] 78 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:89:18 [INFO] [stderr] | [INFO] [stderr] 89 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:93:18 [INFO] [stderr] | [INFO] [stderr] 93 | .map({ |_| " " }) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:97:18 [INFO] [stderr] | [INFO] [stderr] 97 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [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: unnecessary parentheses around block return value [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | (c as u8 & 0x1f) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::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::::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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: static 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 read: `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 read: `cursor_y` [INFO] [stderr] --> src/screen.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | cursor_y: usize [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/screen.rs:71:12 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn clear(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static 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 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 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:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Cursor { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/cursor.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_position` [INFO] [stderr] --> src/cursor.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn get_position(&self) -> io::Result<(usize, usize)> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `show` [INFO] [stderr] --> src/cursor.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn show(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hide` [INFO] [stderr] --> src/cursor.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn hide(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `move_to` [INFO] [stderr] --> src/cursor.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | fn move_to(&self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write` [INFO] [stderr] --> src/cursor.rs:59:8 [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:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn is_ctrl(c: u8) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 28 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `"docker" "inspect" "3b51dcdf9f8e6c14bb15de70634162525ec16854faee31f46b552ec854493e9a"` [INFO] running `"docker" "rm" "-f" "3b51dcdf9f8e6c14bb15de70634162525ec16854faee31f46b552ec854493e9a"` [INFO] [stdout] 3b51dcdf9f8e6c14bb15de70634162525ec16854faee31f46b552ec854493e9a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4ccfaa6ccdba11332f51e7631ef3b2a6002c5c1cd195e39780a78140c76a15ce [INFO] running `"docker" "start" "-a" "4ccfaa6ccdba11332f51e7631ef3b2a6002c5c1cd195e39780a78140c76a15ce"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling 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: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:78:22 [INFO] [stderr] | [INFO] [stderr] 78 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:89:18 [INFO] [stderr] | [INFO] [stderr] 89 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:93:18 [INFO] [stderr] | [INFO] [stderr] 93 | .map({ |_| " " }) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:97:18 [INFO] [stderr] | [INFO] [stderr] 97 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [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: unnecessary parentheses around block return value [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | (c as u8 & 0x1f) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::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::::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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: static 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 read: `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 read: `cursor_y` [INFO] [stderr] --> src/screen.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | cursor_y: usize [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/screen.rs:71:12 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn clear(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static 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 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 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:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Cursor { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/cursor.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_position` [INFO] [stderr] --> src/cursor.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn get_position(&self) -> io::Result<(usize, usize)> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `show` [INFO] [stderr] --> src/cursor.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn show(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hide` [INFO] [stderr] --> src/cursor.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn hide(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `move_to` [INFO] [stderr] --> src/cursor.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | fn move_to(&self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write` [INFO] [stderr] --> src/cursor.rs:59:8 [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:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn is_ctrl(c: u8) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 28 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `"docker" "inspect" "4ccfaa6ccdba11332f51e7631ef3b2a6002c5c1cd195e39780a78140c76a15ce"` [INFO] running `"docker" "rm" "-f" "4ccfaa6ccdba11332f51e7631ef3b2a6002c5c1cd195e39780a78140c76a15ce"` [INFO] [stdout] 4ccfaa6ccdba11332f51e7631ef3b2a6002c5c1cd195e39780a78140c76a15ce [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 098a53aae5aff062cdb80a405bd3713b82921116da8a8f77a9573e9d91d5cb81 [INFO] running `"docker" "start" "-a" "098a53aae5aff062cdb80a405bd3713b82921116da8a8f77a9573e9d91d5cb81"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [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: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:78:22 [INFO] [stderr] | [INFO] [stderr] 78 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:89:18 [INFO] [stderr] | [INFO] [stderr] 89 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:93:18 [INFO] [stderr] | [INFO] [stderr] 93 | .map({ |_| " " }) [INFO] [stderr] | ^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/screen.rs:97:18 [INFO] [stderr] | [INFO] [stderr] 97 | .map({ |_| "~\r\n" }) [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove these braces [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: unnecessary parentheses around block return value [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | (c as u8 & 0x1f) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::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::::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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: static 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 read: `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 read: `cursor_y` [INFO] [stderr] --> src/screen.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | cursor_y: usize [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/screen.rs:71:12 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn clear(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static 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 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 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:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Cursor { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/cursor.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn new(x_limit: usize, y_limit: usize, stdio: Stdio) -> Cursor { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_position` [INFO] [stderr] --> src/cursor.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn get_position(&self) -> io::Result<(usize, usize)> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `show` [INFO] [stderr] --> src/cursor.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn show(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hide` [INFO] [stderr] --> src/cursor.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn hide(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `move_to` [INFO] [stderr] --> src/cursor.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | fn move_to(&self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `write` [INFO] [stderr] --> src/cursor.rs:59:8 [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:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn is_ctrl(c: u8) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 28 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/med-16d332e80e742f2a [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "098a53aae5aff062cdb80a405bd3713b82921116da8a8f77a9573e9d91d5cb81"` [INFO] running `"docker" "rm" "-f" "098a53aae5aff062cdb80a405bd3713b82921116da8a8f77a9573e9d91d5cb81"` [INFO] [stdout] 098a53aae5aff062cdb80a405bd3713b82921116da8a8f77a9573e9d91d5cb81