Dec 13 19:01:15.858 INFO testing fredrikpe/less2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 19:01:15.858 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:01:16.239 INFO [stdout] 6d61466c82628269c9f1c18bdba56f7edf9974ca303459c0e106f043ab179f87
Dec 13 19:01:16.241 INFO running `"docker" "start" "-a" "6d61466c82628269c9f1c18bdba56f7edf9974ca303459c0e106f043ab179f87"`
Dec 13 19:01:16.898 INFO [stderr] usermod: no changes
Dec 13 19:01:17.055 INFO [stderr]    Compiling termion v1.5.1
Dec 13 19:01:17.060 INFO [stderr]    Compiling encoding_rs_io v0.1.3
Dec 13 19:01:17.060 INFO [stderr]    Compiling grep-matcher v0.1.1
Dec 13 19:01:17.060 INFO [stderr]    Compiling globset v0.4.2
Dec 13 19:01:18.451 INFO [stderr]    Compiling grep-searcher v0.1.1
Dec 13 19:01:18.451 INFO [stderr]    Compiling grep-regex v0.1.1
Dec 13 19:01:21.651 INFO [stderr]    Compiling grep-printer v0.1.1
Dec 13 19:01:21.953 INFO [stderr]    Compiling grep-cli v0.1.1
Dec 13 19:01:24.857 INFO [stderr]    Compiling grep v0.2.3
Dec 13 19:01:27.336 INFO [stderr]    Compiling less2 v0.1.0 (/source)
Dec 13 19:01:29.267 INFO [stderr] warning: unused imports: `Read`, `Seek`
Dec 13 19:01:29.267 INFO [stderr]  --> src/commands.rs:2:15
Dec 13 19:01:29.267 INFO [stderr]   |
Dec 13 19:01:29.267 INFO [stderr] 2 | use std::io::{Seek, Read, Error, ErrorKind};
Dec 13 19:01:29.267 INFO [stderr]   |               ^^^^  ^^^^
Dec 13 19:01:29.267 INFO [stderr]   |
Dec 13 19:01:29.267 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 19:01:29.267 INFO [stderr] 
Dec 13 19:01:29.268 INFO [stderr] warning: unused import: `std::io`
Dec 13 19:01:29.268 INFO [stderr]  --> src/searcher.rs:3:5
Dec 13 19:01:29.268 INFO [stderr]   |
Dec 13 19:01:29.268 INFO [stderr] 3 | use std::io;
Dec 13 19:01:29.268 INFO [stderr]   |     ^^^^^^^
Dec 13 19:01:29.268 INFO [stderr] 
Dec 13 19:01:29.268 INFO [stderr] warning: unused imports: `SinkMatch`, `Sink`
Dec 13 19:01:29.268 INFO [stderr]  --> src/searcher.rs:6:32
Dec 13 19:01:29.268 INFO [stderr]   |
Dec 13 19:01:29.268 INFO [stderr] 6 | use grep::searcher::{Searcher, Sink, SinkMatch};
Dec 13 19:01:29.268 INFO [stderr]   |                                ^^^^  ^^^^^^^^^
Dec 13 19:01:29.268 INFO [stderr] 
Dec 13 19:01:29.268 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 13 19:01:29.269 INFO [stderr]  --> src/string_util.rs:2:5
Dec 13 19:01:29.269 INFO [stderr]   |
Dec 13 19:01:29.269 INFO [stderr] 2 | use unicode_segmentation::GraphemeCursor;
Dec 13 19:01:29.269 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.269 INFO [stderr] 
Dec 13 19:01:29.269 INFO [stderr] warning: unused import: `std::str`
Dec 13 19:01:29.269 INFO [stderr]  --> src/valid_reader.rs:3:5
Dec 13 19:01:29.269 INFO [stderr]   |
Dec 13 19:01:29.269 INFO [stderr] 3 | use std::str;
Dec 13 19:01:29.269 INFO [stderr]   |     ^^^^^^^^
Dec 13 19:01:29.269 INFO [stderr] 
Dec 13 19:01:29.269 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 13 19:01:29.269 INFO [stderr]  --> src/valid_reader.rs:5:5
Dec 13 19:01:29.269 INFO [stderr]   |
Dec 13 19:01:29.269 INFO [stderr] 5 | use unicode_segmentation::GraphemeCursor;
Dec 13 19:01:29.269 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.269 INFO [stderr] 
Dec 13 19:01:29.545 INFO [stderr] warning: unused variable: `e`
Dec 13 19:01:29.545 INFO [stderr]   --> src/utf8_validation.rs:15:56
Dec 13 19:01:29.545 INFO [stderr]    |
Dec 13 19:01:29.545 INFO [stderr] 15 |             Err(Utf8Error { valid_up_to: v, error_len: e }) => {
Dec 13 19:01:29.545 INFO [stderr]    |                                                        ^ help: consider using `_e` instead
Dec 13 19:01:29.545 INFO [stderr]    |
Dec 13 19:01:29.545 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 19:01:29.545 INFO [stderr] 
Dec 13 19:01:29.545 INFO [stderr] warning: unused variable: `new_pos`
Dec 13 19:01:29.545 INFO [stderr]    --> src/file_buffer.rs:120:13
Dec 13 19:01:29.545 INFO [stderr]     |
Dec 13 19:01:29.545 INFO [stderr] 120 |         let new_pos = self.seek(SeekFrom::Current(-(size as i64)))?;
Dec 13 19:01:29.545 INFO [stderr]     |             ^^^^^^^ help: consider using `_new_pos` instead
Dec 13 19:01:29.545 INFO [stderr] 
Dec 13 19:01:29.635 INFO [stderr] warning: struct is never constructed: `NormalMode`
Dec 13 19:01:29.635 INFO [stderr]    --> src/commands.rs:253:1
Dec 13 19:01:29.635 INFO [stderr]     |
Dec 13 19:01:29.635 INFO [stderr] 253 | pub struct NormalMode {
Dec 13 19:01:29.635 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.635 INFO [stderr]     |
Dec 13 19:01:29.635 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 19:01:29.636 INFO [stderr] 
Dec 13 19:01:29.636 INFO [stderr] warning: function is never used: `nth_grapheme_offset`
Dec 13 19:01:29.636 INFO [stderr]  --> src/string_util.rs:9:1
Dec 13 19:01:29.636 INFO [stderr]   |
Dec 13 19:01:29.636 INFO [stderr] 9 | pub fn nth_grapheme_offset(buf: &str, n: usize) -> Option<usize> {
Dec 13 19:01:29.636 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.636 INFO [stderr] 
Dec 13 19:01:29.636 INFO [stderr] warning: function is never used: `last_newline_offset`
Dec 13 19:01:29.636 INFO [stderr]   --> src/string_util.rs:37:1
Dec 13 19:01:29.636 INFO [stderr]    |
Dec 13 19:01:29.636 INFO [stderr] 37 | pub fn last_newline_offset(buf: &str) -> Option<usize> {
Dec 13 19:01:29.636 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.636 INFO [stderr] 
Dec 13 19:01:29.636 INFO [stderr] warning: function is never used: `snd_last_newline_wrapped`
Dec 13 19:01:29.636 INFO [stderr]   --> src/string_util.rs:67:1
Dec 13 19:01:29.636 INFO [stderr]    |
Dec 13 19:01:29.636 INFO [stderr] 67 | pub fn snd_last_newline_wrapped(buf: &str, screen_width: usize) -> usize {
Dec 13 19:01:29.636 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.636 INFO [stderr] 
Dec 13 19:01:29.636 INFO [stderr] warning: function is never used: `utf8_char_width`
Dec 13 19:01:29.636 INFO [stderr]    --> src/utf8_validation.rs:190:1
Dec 13 19:01:29.636 INFO [stderr]     |
Dec 13 19:01:29.636 INFO [stderr] 190 | pub fn utf8_char_width(b: u8) -> usize {
Dec 13 19:01:29.636 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:29.636 INFO [stderr] 
Dec 13 19:01:34.307 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.36s
Dec 13 19:01:34.307 INFO [stderr] su: No module specific data is present
Dec 13 19:01:34.797 INFO running `"docker" "inspect" "6d61466c82628269c9f1c18bdba56f7edf9974ca303459c0e106f043ab179f87"`
Dec 13 19:01:34.959 INFO running `"docker" "rm" "-f" "6d61466c82628269c9f1c18bdba56f7edf9974ca303459c0e106f043ab179f87"`
Dec 13 19:01:35.100 INFO [stdout] 6d61466c82628269c9f1c18bdba56f7edf9974ca303459c0e106f043ab179f87
Dec 13 19:01:35.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:01:35.431 INFO [stdout] 8800abbccae04dfadffbd04142a3fb23fed0bb085076ec69e2c9edffe4eb8a8c
Dec 13 19:01:35.437 INFO running `"docker" "start" "-a" "8800abbccae04dfadffbd04142a3fb23fed0bb085076ec69e2c9edffe4eb8a8c"`
Dec 13 19:01:36.111 INFO [stderr] usermod: no changes
Dec 13 19:01:36.259 INFO [stderr]    Compiling less2 v0.1.0 (/source)
Dec 13 19:01:38.342 INFO [stderr] warning: unused imports: `Read`, `Seek`
Dec 13 19:01:38.342 INFO [stderr]  --> src/commands.rs:2:15
Dec 13 19:01:38.342 INFO [stderr]   |
Dec 13 19:01:38.342 INFO [stderr] 2 | use std::io::{Seek, Read, Error, ErrorKind};
Dec 13 19:01:38.342 INFO [stderr]   |               ^^^^  ^^^^
Dec 13 19:01:38.342 INFO [stderr]   |
Dec 13 19:01:38.342 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 19:01:38.345 INFO [stderr] 
Dec 13 19:01:38.345 INFO [stderr] warning: unused import: `std::io`
Dec 13 19:01:38.345 INFO [stderr]  --> src/searcher.rs:3:5
Dec 13 19:01:38.345 INFO [stderr]   |
Dec 13 19:01:38.345 INFO [stderr] 3 | use std::io;
Dec 13 19:01:38.345 INFO [stderr]   |     ^^^^^^^
Dec 13 19:01:38.345 INFO [stderr] 
Dec 13 19:01:38.345 INFO [stderr] warning: unused imports: `SinkMatch`, `Sink`
Dec 13 19:01:38.345 INFO [stderr]  --> src/searcher.rs:6:32
Dec 13 19:01:38.345 INFO [stderr]   |
Dec 13 19:01:38.345 INFO [stderr] 6 | use grep::searcher::{Searcher, Sink, SinkMatch};
Dec 13 19:01:38.345 INFO [stderr]   |                                ^^^^  ^^^^^^^^^
Dec 13 19:01:38.345 INFO [stderr] 
Dec 13 19:01:38.345 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 13 19:01:38.345 INFO [stderr]  --> src/string_util.rs:2:5
Dec 13 19:01:38.345 INFO [stderr]   |
Dec 13 19:01:38.345 INFO [stderr] 2 | use unicode_segmentation::GraphemeCursor;
Dec 13 19:01:38.345 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:38.345 INFO [stderr] 
Dec 13 19:01:38.345 INFO [stderr] warning: unused import: `std::str`
Dec 13 19:01:38.346 INFO [stderr]  --> src/valid_reader.rs:3:5
Dec 13 19:01:38.346 INFO [stderr]   |
Dec 13 19:01:38.346 INFO [stderr] 3 | use std::str;
Dec 13 19:01:38.346 INFO [stderr]   |     ^^^^^^^^
Dec 13 19:01:38.346 INFO [stderr] 
Dec 13 19:01:38.346 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 13 19:01:38.346 INFO [stderr]  --> src/valid_reader.rs:5:5
Dec 13 19:01:38.346 INFO [stderr]   |
Dec 13 19:01:38.346 INFO [stderr] 5 | use unicode_segmentation::GraphemeCursor;
Dec 13 19:01:38.346 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:38.346 INFO [stderr] 
Dec 13 19:01:38.735 INFO [stderr] warning: unused variable: `e`
Dec 13 19:01:38.735 INFO [stderr]   --> src/utf8_validation.rs:15:56
Dec 13 19:01:38.735 INFO [stderr]    |
Dec 13 19:01:38.735 INFO [stderr] 15 |             Err(Utf8Error { valid_up_to: v, error_len: e }) => {
Dec 13 19:01:38.735 INFO [stderr]    |                                                        ^ help: consider using `_e` instead
Dec 13 19:01:38.735 INFO [stderr]    |
Dec 13 19:01:38.735 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 19:01:38.735 INFO [stderr] 
Dec 13 19:01:38.735 INFO [stderr] warning: unused variable: `new_pos`
Dec 13 19:01:38.735 INFO [stderr]    --> src/file_buffer.rs:120:13
Dec 13 19:01:38.735 INFO [stderr]     |
Dec 13 19:01:38.735 INFO [stderr] 120 |         let new_pos = self.seek(SeekFrom::Current(-(size as i64)))?;
Dec 13 19:01:38.735 INFO [stderr]     |             ^^^^^^^ help: consider using `_new_pos` instead
Dec 13 19:01:38.735 INFO [stderr] 
Dec 13 19:01:38.879 INFO [stderr] warning: struct is never constructed: `NormalMode`
Dec 13 19:01:38.879 INFO [stderr]    --> src/commands.rs:253:1
Dec 13 19:01:38.879 INFO [stderr]     |
Dec 13 19:01:38.879 INFO [stderr] 253 | pub struct NormalMode {
Dec 13 19:01:38.879 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:38.879 INFO [stderr]     |
Dec 13 19:01:38.879 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 19:01:38.879 INFO [stderr] 
Dec 13 19:01:38.879 INFO [stderr] warning: function is never used: `utf8_char_width`
Dec 13 19:01:38.879 INFO [stderr]    --> src/utf8_validation.rs:190:1
Dec 13 19:01:38.879 INFO [stderr]     |
Dec 13 19:01:38.879 INFO [stderr] 190 | pub fn utf8_char_width(b: u8) -> usize {
Dec 13 19:01:38.879 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 19:01:38.879 INFO [stderr] 
Dec 13 19:01:40.815 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
Dec 13 19:01:40.822 INFO [stderr] su: No module specific data is present
Dec 13 19:01:41.321 INFO running `"docker" "inspect" "8800abbccae04dfadffbd04142a3fb23fed0bb085076ec69e2c9edffe4eb8a8c"`
Dec 13 19:01:41.485 INFO running `"docker" "rm" "-f" "8800abbccae04dfadffbd04142a3fb23fed0bb085076ec69e2c9edffe4eb8a8c"`
Dec 13 19:01:41.740 INFO [stdout] 8800abbccae04dfadffbd04142a3fb23fed0bb085076ec69e2c9edffe4eb8a8c
Dec 13 19:01:41.745 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:01:42.055 INFO [stdout] f096be072c1d629f2baf78dc7676a0d2da0335751622c19dfea81e32b80a166b
Dec 13 19:01:42.057 INFO running `"docker" "start" "-a" "f096be072c1d629f2baf78dc7676a0d2da0335751622c19dfea81e32b80a166b"`
Dec 13 19:01:42.483 INFO [stderr] usermod: no changes
Dec 13 19:01:42.590 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 13 19:01:42.603 INFO [stderr]      Running /target/debug/deps/less2-a1f6bc67216c454c
Dec 13 19:01:42.605 INFO [stdout] 
Dec 13 19:01:42.605 INFO [stdout] running 14 tests
Dec 13 19:01:42.606 INFO [stdout] test utf8_validation::tests::test_first_valid_pos ... ok
Dec 13 19:01:42.606 INFO [stdout] test string_util::tests::byte_offset_strange ... ok
Dec 13 19:01:42.606 INFO [stdout] test utf8_validation::tests::test_utf8_validation ... ok
Dec 13 19:01:42.606 INFO [stdout] test string_util::tests::test_nth_newline_wrapped ... ok
Dec 13 19:01:42.606 INFO [stdout] test string_util::tests::test_snd_last_newline_wrapped ... ok
Dec 13 19:01:42.606 INFO [stdout] test string_util::tests::byte_offset_simple ... ok
Dec 13 19:01:42.606 INFO [stdout] test string_util::tests::test_last_newline_offset ... ok
Dec 13 19:01:42.606 INFO [stdout] test valid_reader::tests::test_err_at_end ... ok
Dec 13 19:01:42.606 INFO [stdout] test valid_reader::tests::test_bufreader_fails_end ... ok
Dec 13 19:01:42.606 INFO [stdout] test valid_reader::tests::test_seek_0_returns_0 ... ok
Dec 13 19:01:42.606 INFO [stdout] test valid_reader::tests::test_seek_to_end ... ok
Dec 13 19:01:42.606 INFO [stdout] test valid_reader::tests::test_valid_from_1 ... ok
Dec 13 19:01:42.607 INFO [stdout] test valid_reader::tests::test_bufreader_fails_start ... ok
Dec 13 19:01:42.655 INFO [stdout] test string_util::tests::test_nth_last_newline_wrapped ... ok
Dec 13 19:01:42.655 INFO [stdout] 
Dec 13 19:01:42.655 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 19:01:42.655 INFO [stdout] 
Dec 13 19:01:42.657 INFO [stderr] su: No module specific data is present
Dec 13 19:01:42.991 INFO running `"docker" "inspect" "f096be072c1d629f2baf78dc7676a0d2da0335751622c19dfea81e32b80a166b"`
Dec 13 19:01:43.056 INFO running `"docker" "rm" "-f" "f096be072c1d629f2baf78dc7676a0d2da0335751622c19dfea81e32b80a166b"`
Dec 13 19:01:43.132 INFO [stdout] f096be072c1d629f2baf78dc7676a0d2da0335751622c19dfea81e32b80a166b