Dec 05 19:06:25.996 INFO testing justinbarclay/diff against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 19:06:25.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 19:06:26.445 INFO [stdout] 08a4ee7489d98a61422d18472add28c7847a22b475d63b53f53af0da2217e79d
Dec 05 19:06:26.447 INFO running `"docker" "start" "-a" "08a4ee7489d98a61422d18472add28c7847a22b475d63b53f53af0da2217e79d"`
Dec 05 19:06:27.707 INFO [stderr] usermod: no changes
Dec 05 19:06:27.820 INFO [stderr]    Compiling rdiff v0.1.0 (/source)
Dec 05 19:06:28.420 INFO [stderr] warning: unused import: `time::now`
Dec 05 19:06:28.420 INFO [stderr]  --> src/diff.rs:7:5
Dec 05 19:06:28.420 INFO [stderr]   |
Dec 05 19:06:28.420 INFO [stderr] 7 | use time::now;
Dec 05 19:06:28.420 INFO [stderr]   |     ^^^^^^^^^
Dec 05 19:06:28.420 INFO [stderr]   |
Dec 05 19:06:28.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:06:28.420 INFO [stderr] 
Dec 05 19:06:28.420 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Dec 05 19:06:28.420 INFO [stderr]  --> src/main.rs:9:12
Dec 05 19:06:28.420 INFO [stderr]   |
Dec 05 19:06:28.420 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Dec 05 19:06:28.420 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Dec 05 19:06:28.420 INFO [stderr] 
Dec 05 19:06:28.584 INFO [stderr] warning: unused variable: `algo`
Dec 05 19:06:28.584 INFO [stderr]   --> src/main.rs:56:7
Dec 05 19:06:28.584 INFO [stderr]    |
Dec 05 19:06:28.584 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Dec 05 19:06:28.584 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Dec 05 19:06:28.584 INFO [stderr]    |
Dec 05 19:06:28.584 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:06:28.584 INFO [stderr] 
Dec 05 19:06:28.622 INFO [stderr] warning: method is never used: `get`
Dec 05 19:06:28.622 INFO [stderr]   --> src/negative_array.rs:52:3
Dec 05 19:06:28.622 INFO [stderr]    |
Dec 05 19:06:28.622 INFO [stderr] 52 |   pub fn get(&self, offset: isize) -> isize {
Dec 05 19:06:28.622 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:06:28.622 INFO [stderr]    |
Dec 05 19:06:28.622 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 19:06:28.622 INFO [stderr] 
Dec 05 19:06:28.622 INFO [stderr] warning: method is never used: `set`
Dec 05 19:06:28.622 INFO [stderr]   --> src/negative_array.rs:62:3
Dec 05 19:06:28.622 INFO [stderr]    |
Dec 05 19:06:28.622 INFO [stderr] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
Dec 05 19:06:28.622 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 19:06:28.622 INFO [stderr] 
Dec 05 19:06:30.291 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Dec 05 19:06:30.306 INFO [stderr] su: No module specific data is present
Dec 05 19:06:30.882 INFO running `"docker" "inspect" "08a4ee7489d98a61422d18472add28c7847a22b475d63b53f53af0da2217e79d"`
Dec 05 19:06:31.102 INFO running `"docker" "rm" "-f" "08a4ee7489d98a61422d18472add28c7847a22b475d63b53f53af0da2217e79d"`
Dec 05 19:06:31.392 INFO [stdout] 08a4ee7489d98a61422d18472add28c7847a22b475d63b53f53af0da2217e79d
Dec 05 19:06:31.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 19:06:31.875 INFO [stdout] 82c75d028265f59a2964e22062a82b859cd97ce03828f659a608e4d9dbf6df56
Dec 05 19:06:31.877 INFO running `"docker" "start" "-a" "82c75d028265f59a2964e22062a82b859cd97ce03828f659a608e4d9dbf6df56"`
Dec 05 19:06:33.246 INFO [stderr] usermod: no changes
Dec 05 19:06:33.300 INFO [stderr]    Compiling rdiff v0.1.0 (/source)
Dec 05 19:06:33.788 INFO [stderr] warning: unused import: `time::now`
Dec 05 19:06:33.788 INFO [stderr]  --> src/diff.rs:7:5
Dec 05 19:06:33.788 INFO [stderr]   |
Dec 05 19:06:33.788 INFO [stderr] 7 | use time::now;
Dec 05 19:06:33.788 INFO [stderr]   |     ^^^^^^^^^
Dec 05 19:06:33.788 INFO [stderr]   |
Dec 05 19:06:33.788 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:06:33.788 INFO [stderr] 
Dec 05 19:06:33.788 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Dec 05 19:06:33.788 INFO [stderr]  --> src/main.rs:9:12
Dec 05 19:06:33.788 INFO [stderr]   |
Dec 05 19:06:33.788 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Dec 05 19:06:33.788 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Dec 05 19:06:33.788 INFO [stderr] 
Dec 05 19:06:34.024 INFO [stderr] warning: unused variable: `algo`
Dec 05 19:06:34.024 INFO [stderr]   --> src/main.rs:56:7
Dec 05 19:06:34.024 INFO [stderr]    |
Dec 05 19:06:34.024 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Dec 05 19:06:34.024 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Dec 05 19:06:34.024 INFO [stderr]    |
Dec 05 19:06:34.024 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 19:06:34.024 INFO [stderr] 
Dec 05 19:06:34.098 INFO [stderr] warning: variable does not need to be mutable
Dec 05 19:06:34.098 INFO [stderr]   --> src/negative_array.rs:83:9
Dec 05 19:06:34.098 INFO [stderr]    |
Dec 05 19:06:34.098 INFO [stderr] 83 |     let mut arr = NegativeArray::new(10);
Dec 05 19:06:34.098 INFO [stderr]    |         ----^^^
Dec 05 19:06:34.098 INFO [stderr]    |         |
Dec 05 19:06:34.098 INFO [stderr]    |         help: remove this `mut`
Dec 05 19:06:34.098 INFO [stderr]    |
Dec 05 19:06:34.098 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 19:06:34.098 INFO [stderr] 
Dec 05 19:06:35.299 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Dec 05 19:06:35.303 INFO [stderr] su: No module specific data is present
Dec 05 19:06:35.762 INFO running `"docker" "inspect" "82c75d028265f59a2964e22062a82b859cd97ce03828f659a608e4d9dbf6df56"`
Dec 05 19:06:35.958 INFO running `"docker" "rm" "-f" "82c75d028265f59a2964e22062a82b859cd97ce03828f659a608e4d9dbf6df56"`
Dec 05 19:06:36.292 INFO [stdout] 82c75d028265f59a2964e22062a82b859cd97ce03828f659a608e4d9dbf6df56
Dec 05 19:06:36.298 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 19:06:36.724 INFO [stdout] 05987c34512a6f6784152d42d179a94e9c364b29d485109c5743fbe919cf672f
Dec 05 19:06:36.726 INFO running `"docker" "start" "-a" "05987c34512a6f6784152d42d179a94e9c364b29d485109c5743fbe919cf672f"`
Dec 05 19:06:38.519 INFO [stderr] usermod: no changes
Dec 05 19:06:38.591 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 05 19:06:38.602 INFO [stderr]      Running /target/debug/deps/rdiff-db2de28e892c9c26
Dec 05 19:06:38.604 INFO [stdout] 
Dec 05 19:06:38.604 INFO [stdout] running 14 tests
Dec 05 19:06:38.604 INFO [stdout] test diff::tests::a_short_squence_where_they_are_the_same ... ok
Dec 05 19:06:38.604 INFO [stdout] test diff::tests::gen_an_edit_sequence_for_a_diff_of_zero ... ok
Dec 05 19:06:38.604 INFO [stdout] test diff::tests::short_edit_sequence_for_empty_string ... ok
Dec 05 19:06:38.604 INFO [stdout] test diff::tests::split_string_hello ... ok
Dec 05 19:06:38.604 INFO [stdout] test diff::tests::short_edit_sequence ... ok
Dec 05 19:06:38.616 INFO [stdout] test negative_array::tests::indexing_an_array ... ok
Dec 05 19:06:38.624 INFO [stdout] test diff::tests::gen_edit_graph ... ok
Dec 05 19:06:38.624 INFO [stdout] test negative_array::tests::creating_a_new_array ... ok
Dec 05 19:06:38.624 INFO [stdout] test diff::tests::short_edit_sequence_where_nothing_matches ... ok
Dec 05 19:06:38.624 INFO [stdout] test diff::tests::short_edit_sequence_without_newlines ... ok
Dec 05 19:06:38.624 INFO [stdout] test diff::tests::short_edit_sequence_where_they_are_the_same ... ok
Dec 05 19:06:38.625 INFO [stdout] test diff::tests::greedy_diff ... ok
Dec 05 19:06:38.625 INFO [stdout] test diff::tests::gen_edit_graph_without_newlines ... ok
Dec 05 19:06:38.630 INFO [stdout] test negative_array::tests::using_get_and_set ... ok
Dec 05 19:06:38.630 INFO [stdout] 
Dec 05 19:06:38.630 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:06:38.630 INFO [stdout] 
Dec 05 19:06:38.634 INFO [stderr] su: No module specific data is present
Dec 05 19:06:39.498 INFO running `"docker" "inspect" "05987c34512a6f6784152d42d179a94e9c364b29d485109c5743fbe919cf672f"`
Dec 05 19:06:39.762 INFO running `"docker" "rm" "-f" "05987c34512a6f6784152d42d179a94e9c364b29d485109c5743fbe919cf672f"`
Dec 05 19:06:40.004 INFO [stdout] 05987c34512a6f6784152d42d179a94e9c364b29d485109c5743fbe919cf672f