Dec 04 18:28:14.982 INFO checking fredrikpe/less2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:28:14.982 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-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 04 18:28:15.209 INFO [stdout] 6372b898edc73ab8ada853f9ec41950ca86d240ce464c1d53af259c256d921c4
Dec 04 18:28:15.211 INFO running `"docker" "start" "-a" "6372b898edc73ab8ada853f9ec41950ca86d240ce464c1d53af259c256d921c4"`
Dec 04 18:28:15.829 INFO [stderr] usermod: no changes
Dec 04 18:28:15.982 INFO [stderr]     Checking encoding_rs_io v0.1.3
Dec 04 18:28:15.982 INFO [stderr]     Checking grep-matcher v0.1.1
Dec 04 18:28:15.982 INFO [stderr]     Checking globset v0.4.2
Dec 04 18:28:16.791 INFO [stderr]     Checking grep-searcher v0.1.1
Dec 04 18:28:16.791 INFO [stderr]     Checking grep-regex v0.1.1
Dec 04 18:28:17.242 INFO [stderr]     Checking grep-cli v0.1.1
Dec 04 18:28:18.118 INFO [stderr]     Checking grep-printer v0.1.1
Dec 04 18:28:19.843 INFO [stderr]     Checking grep v0.2.3
Dec 04 18:28:22.175 INFO [stderr]     Checking less2 v0.1.0 (/source)
Dec 04 18:28:24.355 INFO [stderr] warning: unused imports: `Read`, `Seek`
Dec 04 18:28:24.355 INFO [stderr]  --> src/commands.rs:2:15
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr] 2 | use std::io::{Seek, Read, Error, ErrorKind};
Dec 04 18:28:24.355 INFO [stderr]   |               ^^^^  ^^^^
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:28:24.355 INFO [stderr] 
Dec 04 18:28:24.355 INFO [stderr] warning: unused import: `std::io`
Dec 04 18:28:24.355 INFO [stderr]  --> src/searcher.rs:3:5
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr] 3 | use std::io;
Dec 04 18:28:24.355 INFO [stderr]   |     ^^^^^^^
Dec 04 18:28:24.355 INFO [stderr] 
Dec 04 18:28:24.355 INFO [stderr] warning: unused imports: `SinkMatch`, `Sink`
Dec 04 18:28:24.355 INFO [stderr]  --> src/searcher.rs:6:32
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr] 6 | use grep::searcher::{Searcher, Sink, SinkMatch};
Dec 04 18:28:24.355 INFO [stderr]   |                                ^^^^  ^^^^^^^^^
Dec 04 18:28:24.355 INFO [stderr] 
Dec 04 18:28:24.355 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 04 18:28:24.355 INFO [stderr]  --> src/string_util.rs:2:5
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr] 2 | use unicode_segmentation::GraphemeCursor;
Dec 04 18:28:24.355 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.355 INFO [stderr] 
Dec 04 18:28:24.355 INFO [stderr] warning: unused import: `std::str`
Dec 04 18:28:24.355 INFO [stderr]  --> src/valid_reader.rs:3:5
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr] 3 | use std::str;
Dec 04 18:28:24.355 INFO [stderr]   |     ^^^^^^^^
Dec 04 18:28:24.355 INFO [stderr] 
Dec 04 18:28:24.355 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 04 18:28:24.355 INFO [stderr]  --> src/valid_reader.rs:5:5
Dec 04 18:28:24.355 INFO [stderr]   |
Dec 04 18:28:24.355 INFO [stderr] 5 | use unicode_segmentation::GraphemeCursor;
Dec 04 18:28:24.355 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.355 INFO [stderr] 
Dec 04 18:28:24.682 INFO [stderr] warning: unused variable: `e`
Dec 04 18:28:24.682 INFO [stderr]   --> src/utf8_validation.rs:15:56
Dec 04 18:28:24.682 INFO [stderr]    |
Dec 04 18:28:24.682 INFO [stderr] 15 |             Err(Utf8Error { valid_up_to: v, error_len: e }) => {
Dec 04 18:28:24.682 INFO [stderr]    |                                                        ^ help: consider using `_e` instead
Dec 04 18:28:24.682 INFO [stderr]    |
Dec 04 18:28:24.682 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 18:28:24.682 INFO [stderr] 
Dec 04 18:28:24.682 INFO [stderr] warning: unused variable: `new_pos`
Dec 04 18:28:24.682 INFO [stderr]    --> src/file_buffer.rs:120:13
Dec 04 18:28:24.682 INFO [stderr]     |
Dec 04 18:28:24.682 INFO [stderr] 120 |         let new_pos = self.seek(SeekFrom::Current(-(size as i64)))?;
Dec 04 18:28:24.682 INFO [stderr]     |             ^^^^^^^ help: consider using `_new_pos` instead
Dec 04 18:28:24.682 INFO [stderr] 
Dec 04 18:28:24.750 INFO [stderr] warning: unused imports: `Read`, `Seek`
Dec 04 18:28:24.751 INFO [stderr]  --> src/commands.rs:2:15
Dec 04 18:28:24.751 INFO [stderr]   |
Dec 04 18:28:24.751 INFO [stderr] 2 | use std::io::{Seek, Read, Error, ErrorKind};
Dec 04 18:28:24.751 INFO [stderr]   |               ^^^^  ^^^^
Dec 04 18:28:24.751 INFO [stderr]   |
Dec 04 18:28:24.751 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 18:28:24.751 INFO [stderr] 
Dec 04 18:28:24.751 INFO [stderr] warning: unused import: `std::io`
Dec 04 18:28:24.751 INFO [stderr]  --> src/searcher.rs:3:5
Dec 04 18:28:24.751 INFO [stderr]   |
Dec 04 18:28:24.751 INFO [stderr] 3 | use std::io;
Dec 04 18:28:24.751 INFO [stderr]   |     ^^^^^^^
Dec 04 18:28:24.752 INFO [stderr] 
Dec 04 18:28:24.752 INFO [stderr] warning: unused imports: `SinkMatch`, `Sink`
Dec 04 18:28:24.752 INFO [stderr]  --> src/searcher.rs:6:32
Dec 04 18:28:24.752 INFO [stderr]   |
Dec 04 18:28:24.752 INFO [stderr] 6 | use grep::searcher::{Searcher, Sink, SinkMatch};
Dec 04 18:28:24.752 INFO [stderr]   |                                ^^^^  ^^^^^^^^^
Dec 04 18:28:24.752 INFO [stderr] 
Dec 04 18:28:24.752 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 04 18:28:24.752 INFO [stderr]  --> src/string_util.rs:2:5
Dec 04 18:28:24.752 INFO [stderr]   |
Dec 04 18:28:24.752 INFO [stderr] 2 | use unicode_segmentation::GraphemeCursor;
Dec 04 18:28:24.752 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.752 INFO [stderr] 
Dec 04 18:28:24.753 INFO [stderr] warning: unused import: `std::str`
Dec 04 18:28:24.753 INFO [stderr]  --> src/valid_reader.rs:3:5
Dec 04 18:28:24.753 INFO [stderr]   |
Dec 04 18:28:24.753 INFO [stderr] 3 | use std::str;
Dec 04 18:28:24.753 INFO [stderr]   |     ^^^^^^^^
Dec 04 18:28:24.753 INFO [stderr] 
Dec 04 18:28:24.753 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 04 18:28:24.753 INFO [stderr]  --> src/valid_reader.rs:5:5
Dec 04 18:28:24.753 INFO [stderr]   |
Dec 04 18:28:24.753 INFO [stderr] 5 | use unicode_segmentation::GraphemeCursor;
Dec 04 18:28:24.753 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.753 INFO [stderr] 
Dec 04 18:28:24.766 INFO [stderr] warning: struct is never constructed: `NormalMode`
Dec 04 18:28:24.766 INFO [stderr]    --> src/commands.rs:253:1
Dec 04 18:28:24.766 INFO [stderr]     |
Dec 04 18:28:24.766 INFO [stderr] 253 | pub struct NormalMode {
Dec 04 18:28:24.766 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.766 INFO [stderr]     |
Dec 04 18:28:24.766 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 18:28:24.766 INFO [stderr] 
Dec 04 18:28:24.766 INFO [stderr] warning: function is never used: `nth_grapheme_offset`
Dec 04 18:28:24.766 INFO [stderr]  --> src/string_util.rs:9:1
Dec 04 18:28:24.766 INFO [stderr]   |
Dec 04 18:28:24.766 INFO [stderr] 9 | pub fn nth_grapheme_offset(buf: &str, n: usize) -> Option<usize> {
Dec 04 18:28:24.766 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.766 INFO [stderr] 
Dec 04 18:28:24.766 INFO [stderr] warning: function is never used: `last_newline_offset`
Dec 04 18:28:24.766 INFO [stderr]   --> src/string_util.rs:37:1
Dec 04 18:28:24.766 INFO [stderr]    |
Dec 04 18:28:24.766 INFO [stderr] 37 | pub fn last_newline_offset(buf: &str) -> Option<usize> {
Dec 04 18:28:24.766 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.766 INFO [stderr] 
Dec 04 18:28:24.766 INFO [stderr] warning: function is never used: `snd_last_newline_wrapped`
Dec 04 18:28:24.766 INFO [stderr]   --> src/string_util.rs:67:1
Dec 04 18:28:24.766 INFO [stderr]    |
Dec 04 18:28:24.766 INFO [stderr] 67 | pub fn snd_last_newline_wrapped(buf: &str, screen_width: usize) -> usize {
Dec 04 18:28:24.766 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.766 INFO [stderr] 
Dec 04 18:28:24.766 INFO [stderr] warning: function is never used: `utf8_char_width`
Dec 04 18:28:24.766 INFO [stderr]    --> src/utf8_validation.rs:190:1
Dec 04 18:28:24.766 INFO [stderr]     |
Dec 04 18:28:24.766 INFO [stderr] 190 | pub fn utf8_char_width(b: u8) -> usize {
Dec 04 18:28:24.766 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:24.766 INFO [stderr] 
Dec 04 18:28:25.175 INFO [stderr] warning: unused variable: `e`
Dec 04 18:28:25.175 INFO [stderr]   --> src/utf8_validation.rs:15:56
Dec 04 18:28:25.175 INFO [stderr]    |
Dec 04 18:28:25.175 INFO [stderr] 15 |             Err(Utf8Error { valid_up_to: v, error_len: e }) => {
Dec 04 18:28:25.175 INFO [stderr]    |                                                        ^ help: consider using `_e` instead
Dec 04 18:28:25.175 INFO [stderr]    |
Dec 04 18:28:25.175 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 18:28:25.175 INFO [stderr] 
Dec 04 18:28:25.175 INFO [stderr] warning: unused variable: `new_pos`
Dec 04 18:28:25.175 INFO [stderr]    --> src/file_buffer.rs:120:13
Dec 04 18:28:25.175 INFO [stderr]     |
Dec 04 18:28:25.175 INFO [stderr] 120 |         let new_pos = self.seek(SeekFrom::Current(-(size as i64)))?;
Dec 04 18:28:25.175 INFO [stderr]     |             ^^^^^^^ help: consider using `_new_pos` instead
Dec 04 18:28:25.175 INFO [stderr] 
Dec 04 18:28:25.287 INFO [stderr] warning: struct is never constructed: `NormalMode`
Dec 04 18:28:25.287 INFO [stderr]    --> src/commands.rs:253:1
Dec 04 18:28:25.287 INFO [stderr]     |
Dec 04 18:28:25.287 INFO [stderr] 253 | pub struct NormalMode {
Dec 04 18:28:25.287 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:25.287 INFO [stderr]     |
Dec 04 18:28:25.287 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 18:28:25.287 INFO [stderr] 
Dec 04 18:28:25.287 INFO [stderr] warning: function is never used: `utf8_char_width`
Dec 04 18:28:25.287 INFO [stderr]    --> src/utf8_validation.rs:190:1
Dec 04 18:28:25.287 INFO [stderr]     |
Dec 04 18:28:25.287 INFO [stderr] 190 | pub fn utf8_char_width(b: u8) -> usize {
Dec 04 18:28:25.287 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:28:25.287 INFO [stderr] 
Dec 04 18:28:25.331 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
Dec 04 18:28:25.337 INFO [stderr] su: No module specific data is present
Dec 04 18:28:25.921 INFO running `"docker" "inspect" "6372b898edc73ab8ada853f9ec41950ca86d240ce464c1d53af259c256d921c4"`
Dec 04 18:28:26.001 INFO running `"docker" "rm" "-f" "6372b898edc73ab8ada853f9ec41950ca86d240ce464c1d53af259c256d921c4"`
Dec 04 18:28:26.088 INFO [stdout] 6372b898edc73ab8ada853f9ec41950ca86d240ce464c1d53af259c256d921c4