Dec 05 23:16:22.846 INFO testing fredrikpe/less2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 23:16:22.846 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 23:16:23.196 INFO [stdout] c6218ebb8f71434b8e82709bd1069ef260e0adfef03e1ddf7e3052d0ea96177c
Dec 05 23:16:23.198 INFO running `"docker" "start" "-a" "c6218ebb8f71434b8e82709bd1069ef260e0adfef03e1ddf7e3052d0ea96177c"`
Dec 05 23:16:23.800 INFO [stderr] usermod: no changes
Dec 05 23:16:23.954 INFO [stderr]    Compiling encoding_rs_io v0.1.3
Dec 05 23:16:23.954 INFO [stderr]    Compiling grep-matcher v0.1.1
Dec 05 23:16:23.954 INFO [stderr]    Compiling globset v0.4.2
Dec 05 23:16:25.424 INFO [stderr]    Compiling grep-searcher v0.1.1
Dec 05 23:16:25.424 INFO [stderr]    Compiling grep-regex v0.1.1
Dec 05 23:16:27.373 INFO [stderr]    Compiling grep-printer v0.1.1
Dec 05 23:16:28.078 INFO [stderr]    Compiling grep-cli v0.1.1
Dec 05 23:16:31.471 INFO [stderr]    Compiling grep v0.2.3
Dec 05 23:16:33.869 INFO [stderr]    Compiling less2 v0.1.0 (/source)
Dec 05 23:16:35.764 INFO [stderr] warning: unused imports: `Read`, `Seek`
Dec 05 23:16:35.764 INFO [stderr]  --> src/commands.rs:2:15
Dec 05 23:16:35.764 INFO [stderr]   |
Dec 05 23:16:35.764 INFO [stderr] 2 | use std::io::{Seek, Read, Error, ErrorKind};
Dec 05 23:16:35.764 INFO [stderr]   |               ^^^^  ^^^^
Dec 05 23:16:35.764 INFO [stderr]   |
Dec 05 23:16:35.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 23:16:35.764 INFO [stderr] 
Dec 05 23:16:35.764 INFO [stderr] warning: unused import: `std::io`
Dec 05 23:16:35.764 INFO [stderr]  --> src/searcher.rs:3:5
Dec 05 23:16:35.764 INFO [stderr]   |
Dec 05 23:16:35.764 INFO [stderr] 3 | use std::io;
Dec 05 23:16:35.764 INFO [stderr]   |     ^^^^^^^
Dec 05 23:16:35.764 INFO [stderr] 
Dec 05 23:16:35.765 INFO [stderr] warning: unused imports: `SinkMatch`, `Sink`
Dec 05 23:16:35.765 INFO [stderr]  --> src/searcher.rs:6:32
Dec 05 23:16:35.765 INFO [stderr]   |
Dec 05 23:16:35.765 INFO [stderr] 6 | use grep::searcher::{Searcher, Sink, SinkMatch};
Dec 05 23:16:35.765 INFO [stderr]   |                                ^^^^  ^^^^^^^^^
Dec 05 23:16:35.765 INFO [stderr] 
Dec 05 23:16:35.765 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 05 23:16:35.765 INFO [stderr]  --> src/string_util.rs:2:5
Dec 05 23:16:35.765 INFO [stderr]   |
Dec 05 23:16:35.765 INFO [stderr] 2 | use unicode_segmentation::GraphemeCursor;
Dec 05 23:16:35.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:35.765 INFO [stderr] 
Dec 05 23:16:35.765 INFO [stderr] warning: unused import: `std::str`
Dec 05 23:16:35.765 INFO [stderr]  --> src/valid_reader.rs:3:5
Dec 05 23:16:35.765 INFO [stderr]   |
Dec 05 23:16:35.765 INFO [stderr] 3 | use std::str;
Dec 05 23:16:35.765 INFO [stderr]   |     ^^^^^^^^
Dec 05 23:16:35.765 INFO [stderr] 
Dec 05 23:16:35.765 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 05 23:16:35.765 INFO [stderr]  --> src/valid_reader.rs:5:5
Dec 05 23:16:35.765 INFO [stderr]   |
Dec 05 23:16:35.765 INFO [stderr] 5 | use unicode_segmentation::GraphemeCursor;
Dec 05 23:16:35.765 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:35.765 INFO [stderr] 
Dec 05 23:16:36.024 INFO [stderr] warning: unused variable: `e`
Dec 05 23:16:36.024 INFO [stderr]   --> src/utf8_validation.rs:15:56
Dec 05 23:16:36.024 INFO [stderr]    |
Dec 05 23:16:36.024 INFO [stderr] 15 |             Err(Utf8Error { valid_up_to: v, error_len: e }) => {
Dec 05 23:16:36.024 INFO [stderr]    |                                                        ^ help: consider using `_e` instead
Dec 05 23:16:36.024 INFO [stderr]    |
Dec 05 23:16:36.024 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 23:16:36.024 INFO [stderr] 
Dec 05 23:16:36.025 INFO [stderr] warning: unused variable: `new_pos`
Dec 05 23:16:36.025 INFO [stderr]    --> src/file_buffer.rs:120:13
Dec 05 23:16:36.025 INFO [stderr]     |
Dec 05 23:16:36.025 INFO [stderr] 120 |         let new_pos = self.seek(SeekFrom::Current(-(size as i64)))?;
Dec 05 23:16:36.025 INFO [stderr]     |             ^^^^^^^ help: consider using `_new_pos` instead
Dec 05 23:16:36.025 INFO [stderr] 
Dec 05 23:16:36.108 INFO [stderr] warning: struct is never constructed: `NormalMode`
Dec 05 23:16:36.108 INFO [stderr]    --> src/commands.rs:253:1
Dec 05 23:16:36.108 INFO [stderr]     |
Dec 05 23:16:36.108 INFO [stderr] 253 | pub struct NormalMode {
Dec 05 23:16:36.108 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:36.108 INFO [stderr]     |
Dec 05 23:16:36.108 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 23:16:36.108 INFO [stderr] 
Dec 05 23:16:36.108 INFO [stderr] warning: function is never used: `nth_grapheme_offset`
Dec 05 23:16:36.108 INFO [stderr]  --> src/string_util.rs:9:1
Dec 05 23:16:36.108 INFO [stderr]   |
Dec 05 23:16:36.108 INFO [stderr] 9 | pub fn nth_grapheme_offset(buf: &str, n: usize) -> Option<usize> {
Dec 05 23:16:36.108 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:36.108 INFO [stderr] 
Dec 05 23:16:36.108 INFO [stderr] warning: function is never used: `last_newline_offset`
Dec 05 23:16:36.108 INFO [stderr]   --> src/string_util.rs:37:1
Dec 05 23:16:36.108 INFO [stderr]    |
Dec 05 23:16:36.109 INFO [stderr] 37 | pub fn last_newline_offset(buf: &str) -> Option<usize> {
Dec 05 23:16:36.109 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:36.109 INFO [stderr] 
Dec 05 23:16:36.109 INFO [stderr] warning: function is never used: `snd_last_newline_wrapped`
Dec 05 23:16:36.109 INFO [stderr]   --> src/string_util.rs:67:1
Dec 05 23:16:36.109 INFO [stderr]    |
Dec 05 23:16:36.109 INFO [stderr] 67 | pub fn snd_last_newline_wrapped(buf: &str, screen_width: usize) -> usize {
Dec 05 23:16:36.109 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:36.109 INFO [stderr] 
Dec 05 23:16:36.109 INFO [stderr] warning: function is never used: `utf8_char_width`
Dec 05 23:16:36.109 INFO [stderr]    --> src/utf8_validation.rs:190:1
Dec 05 23:16:36.109 INFO [stderr]     |
Dec 05 23:16:36.109 INFO [stderr] 190 | pub fn utf8_char_width(b: u8) -> usize {
Dec 05 23:16:36.109 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:36.109 INFO [stderr] 
Dec 05 23:16:39.954 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.13s
Dec 05 23:16:39.962 INFO [stderr] su: No module specific data is present
Dec 05 23:16:40.214 INFO running `"docker" "inspect" "c6218ebb8f71434b8e82709bd1069ef260e0adfef03e1ddf7e3052d0ea96177c"`
Dec 05 23:16:40.314 INFO running `"docker" "rm" "-f" "c6218ebb8f71434b8e82709bd1069ef260e0adfef03e1ddf7e3052d0ea96177c"`
Dec 05 23:16:40.426 INFO [stdout] c6218ebb8f71434b8e82709bd1069ef260e0adfef03e1ddf7e3052d0ea96177c
Dec 05 23:16:40.430 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 23:16:40.682 INFO [stdout] b0d48b1cf19d08eb0967925aab670147448176418b864dfc948d0d187ac3072c
Dec 05 23:16:40.684 INFO running `"docker" "start" "-a" "b0d48b1cf19d08eb0967925aab670147448176418b864dfc948d0d187ac3072c"`
Dec 05 23:16:41.217 INFO [stderr] usermod: no changes
Dec 05 23:16:41.336 INFO [stderr]    Compiling less2 v0.1.0 (/source)
Dec 05 23:16:43.122 INFO [stderr] warning: unused imports: `Read`, `Seek`
Dec 05 23:16:43.122 INFO [stderr]  --> src/commands.rs:2:15
Dec 05 23:16:43.122 INFO [stderr]   |
Dec 05 23:16:43.122 INFO [stderr] 2 | use std::io::{Seek, Read, Error, ErrorKind};
Dec 05 23:16:43.122 INFO [stderr]   |               ^^^^  ^^^^
Dec 05 23:16:43.122 INFO [stderr]   |
Dec 05 23:16:43.122 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 23:16:43.122 INFO [stderr] 
Dec 05 23:16:43.122 INFO [stderr] warning: unused import: `std::io`
Dec 05 23:16:43.122 INFO [stderr]  --> src/searcher.rs:3:5
Dec 05 23:16:43.122 INFO [stderr]   |
Dec 05 23:16:43.122 INFO [stderr] 3 | use std::io;
Dec 05 23:16:43.122 INFO [stderr]   |     ^^^^^^^
Dec 05 23:16:43.122 INFO [stderr] 
Dec 05 23:16:43.122 INFO [stderr] warning: unused imports: `SinkMatch`, `Sink`
Dec 05 23:16:43.122 INFO [stderr]  --> src/searcher.rs:6:32
Dec 05 23:16:43.122 INFO [stderr]   |
Dec 05 23:16:43.122 INFO [stderr] 6 | use grep::searcher::{Searcher, Sink, SinkMatch};
Dec 05 23:16:43.122 INFO [stderr]   |                                ^^^^  ^^^^^^^^^
Dec 05 23:16:43.122 INFO [stderr] 
Dec 05 23:16:43.122 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 05 23:16:43.122 INFO [stderr]  --> src/string_util.rs:2:5
Dec 05 23:16:43.122 INFO [stderr]   |
Dec 05 23:16:43.122 INFO [stderr] 2 | use unicode_segmentation::GraphemeCursor;
Dec 05 23:16:43.122 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:43.122 INFO [stderr] 
Dec 05 23:16:43.123 INFO [stderr] warning: unused import: `std::str`
Dec 05 23:16:43.123 INFO [stderr]  --> src/valid_reader.rs:3:5
Dec 05 23:16:43.123 INFO [stderr]   |
Dec 05 23:16:43.123 INFO [stderr] 3 | use std::str;
Dec 05 23:16:43.123 INFO [stderr]   |     ^^^^^^^^
Dec 05 23:16:43.123 INFO [stderr] 
Dec 05 23:16:43.123 INFO [stderr] warning: unused import: `unicode_segmentation::GraphemeCursor`
Dec 05 23:16:43.123 INFO [stderr]  --> src/valid_reader.rs:5:5
Dec 05 23:16:43.123 INFO [stderr]   |
Dec 05 23:16:43.123 INFO [stderr] 5 | use unicode_segmentation::GraphemeCursor;
Dec 05 23:16:43.123 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:43.123 INFO [stderr] 
Dec 05 23:16:43.400 INFO [stderr] warning: unused variable: `e`
Dec 05 23:16:43.400 INFO [stderr]   --> src/utf8_validation.rs:15:56
Dec 05 23:16:43.400 INFO [stderr]    |
Dec 05 23:16:43.400 INFO [stderr] 15 |             Err(Utf8Error { valid_up_to: v, error_len: e }) => {
Dec 05 23:16:43.400 INFO [stderr]    |                                                        ^ help: consider using `_e` instead
Dec 05 23:16:43.400 INFO [stderr]    |
Dec 05 23:16:43.400 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 23:16:43.400 INFO [stderr] 
Dec 05 23:16:43.401 INFO [stderr] warning: unused variable: `new_pos`
Dec 05 23:16:43.401 INFO [stderr]    --> src/file_buffer.rs:120:13
Dec 05 23:16:43.401 INFO [stderr]     |
Dec 05 23:16:43.401 INFO [stderr] 120 |         let new_pos = self.seek(SeekFrom::Current(-(size as i64)))?;
Dec 05 23:16:43.401 INFO [stderr]     |             ^^^^^^^ help: consider using `_new_pos` instead
Dec 05 23:16:43.401 INFO [stderr] 
Dec 05 23:16:43.494 INFO [stderr] warning: struct is never constructed: `NormalMode`
Dec 05 23:16:43.494 INFO [stderr]    --> src/commands.rs:253:1
Dec 05 23:16:43.494 INFO [stderr]     |
Dec 05 23:16:43.494 INFO [stderr] 253 | pub struct NormalMode {
Dec 05 23:16:43.494 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:43.494 INFO [stderr]     |
Dec 05 23:16:43.494 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 23:16:43.494 INFO [stderr] 
Dec 05 23:16:43.494 INFO [stderr] warning: function is never used: `utf8_char_width`
Dec 05 23:16:43.494 INFO [stderr]    --> src/utf8_validation.rs:190:1
Dec 05 23:16:43.494 INFO [stderr]     |
Dec 05 23:16:43.494 INFO [stderr] 190 | pub fn utf8_char_width(b: u8) -> usize {
Dec 05 23:16:43.494 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 23:16:43.494 INFO [stderr] 
Dec 05 23:16:45.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
Dec 05 23:16:45.074 INFO [stderr] su: No module specific data is present
Dec 05 23:16:45.446 INFO running `"docker" "inspect" "b0d48b1cf19d08eb0967925aab670147448176418b864dfc948d0d187ac3072c"`
Dec 05 23:16:45.694 INFO running `"docker" "rm" "-f" "b0d48b1cf19d08eb0967925aab670147448176418b864dfc948d0d187ac3072c"`
Dec 05 23:16:46.016 INFO [stdout] b0d48b1cf19d08eb0967925aab670147448176418b864dfc948d0d187ac3072c
Dec 05 23:16:46.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 23:16:46.391 INFO [stdout] 7068ec2c288c3d2ae518651f526d362196c520d4a84e05b047a7c999b99f6d43
Dec 05 23:16:46.394 INFO running `"docker" "start" "-a" "7068ec2c288c3d2ae518651f526d362196c520d4a84e05b047a7c999b99f6d43"`
Dec 05 23:16:47.310 INFO [stderr] usermod: no changes
Dec 05 23:16:47.411 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 05 23:16:47.428 INFO [stderr]      Running /target/debug/deps/less2-7613b7c6a8c945a0
Dec 05 23:16:47.434 INFO [stdout] 
Dec 05 23:16:47.434 INFO [stdout] running 14 tests
Dec 05 23:16:47.439 INFO [stdout] test string_util::tests::byte_offset_simple ... ok
Dec 05 23:16:47.439 INFO [stdout] test string_util::tests::byte_offset_strange ... ok
Dec 05 23:16:47.439 INFO [stdout] test string_util::tests::test_last_newline_offset ... ok
Dec 05 23:16:47.439 INFO [stdout] test valid_reader::tests::test_err_at_end ... ok
Dec 05 23:16:47.439 INFO [stdout] test valid_reader::tests::test_bufreader_fails_end ... ok
Dec 05 23:16:47.439 INFO [stdout] test utf8_validation::tests::test_utf8_validation ... ok
Dec 05 23:16:47.439 INFO [stdout] test utf8_validation::tests::test_first_valid_pos ... ok
Dec 05 23:16:47.439 INFO [stdout] test string_util::tests::test_snd_last_newline_wrapped ... ok
Dec 05 23:16:47.439 INFO [stdout] test valid_reader::tests::test_seek_0_returns_0 ... ok
Dec 05 23:16:47.439 INFO [stdout] test string_util::tests::test_nth_newline_wrapped ... ok
Dec 05 23:16:47.439 INFO [stdout] test valid_reader::tests::test_seek_to_end ... ok
Dec 05 23:16:47.439 INFO [stdout] test valid_reader::tests::test_valid_from_1 ... ok
Dec 05 23:16:47.439 INFO [stdout] test valid_reader::tests::test_bufreader_fails_start ... ok
Dec 05 23:16:47.540 INFO [stdout] test string_util::tests::test_nth_last_newline_wrapped ... ok
Dec 05 23:16:47.540 INFO [stdout] 
Dec 05 23:16:47.540 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 23:16:47.540 INFO [stdout] 
Dec 05 23:16:47.550 INFO [stderr] su: No module specific data is present
Dec 05 23:16:48.529 INFO running `"docker" "inspect" "7068ec2c288c3d2ae518651f526d362196c520d4a84e05b047a7c999b99f6d43"`
Dec 05 23:16:48.794 INFO running `"docker" "rm" "-f" "7068ec2c288c3d2ae518651f526d362196c520d4a84e05b047a7c999b99f6d43"`
Dec 05 23:16:49.016 INFO [stdout] 7068ec2c288c3d2ae518651f526d362196c520d4a84e05b047a7c999b99f6d43