Dec 19 14:45:25.173 INFO checking justinbarclay/diff against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:45:25.173 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/justinbarclay/diff:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:45:25.674 INFO [stdout] 1e0290649b969bb6124263c94e97b887aa2f80497960e55908581dd33e1ab57a
Dec 19 14:45:25.676 INFO running `"docker" "start" "-a" "1e0290649b969bb6124263c94e97b887aa2f80497960e55908581dd33e1ab57a"`
Dec 19 14:45:28.202 INFO [stderr]     Checking rdiff v0.1.0 (/opt/crater/workdir)
Dec 19 14:45:28.736 INFO [stderr] warning: unused import: `time::now`
Dec 19 14:45:28.737 INFO [stderr]  --> src/diff.rs:7:5
Dec 19 14:45:28.737 INFO [stderr]   |
Dec 19 14:45:28.737 INFO [stderr] 7 | use time::now;
Dec 19 14:45:28.738 INFO [stderr]   |     ^^^^^^^^^
Dec 19 14:45:28.738 INFO [stderr]   |
Dec 19 14:45:28.738 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:45:28.738 INFO [stderr] 
Dec 19 14:45:28.739 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Dec 19 14:45:28.739 INFO [stderr]  --> src/main.rs:9:12
Dec 19 14:45:28.739 INFO [stderr]   |
Dec 19 14:45:28.739 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Dec 19 14:45:28.739 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Dec 19 14:45:28.740 INFO [stderr] 
Dec 19 14:45:28.780 INFO [stderr] warning: unused import: `time::now`
Dec 19 14:45:28.781 INFO [stderr]  --> src/diff.rs:7:5
Dec 19 14:45:28.781 INFO [stderr]   |
Dec 19 14:45:28.781 INFO [stderr] 7 | use time::now;
Dec 19 14:45:28.781 INFO [stderr]   |     ^^^^^^^^^
Dec 19 14:45:28.782 INFO [stderr]   |
Dec 19 14:45:28.782 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:45:28.782 INFO [stderr] 
Dec 19 14:45:28.784 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Dec 19 14:45:28.785 INFO [stderr]  --> src/main.rs:9:12
Dec 19 14:45:28.785 INFO [stderr]   |
Dec 19 14:45:28.785 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Dec 19 14:45:28.785 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Dec 19 14:45:28.786 INFO [stderr] 
Dec 19 14:45:29.012 INFO [stderr] warning: unused variable: `algo`
Dec 19 14:45:29.012 INFO [stderr]   --> src/main.rs:56:7
Dec 19 14:45:29.013 INFO [stderr]    |
Dec 19 14:45:29.013 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Dec 19 14:45:29.013 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Dec 19 14:45:29.013 INFO [stderr]    |
Dec 19 14:45:29.014 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:45:29.014 INFO [stderr] 
Dec 19 14:45:29.112 INFO [stderr] warning: method is never used: `get`
Dec 19 14:45:29.113 INFO [stderr]   --> src/negative_array.rs:52:3
Dec 19 14:45:29.113 INFO [stderr]    |
Dec 19 14:45:29.113 INFO [stderr] 52 |   pub fn get(&self, offset: isize) -> isize {
Dec 19 14:45:29.114 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:45:29.114 INFO [stderr]    |
Dec 19 14:45:29.114 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:45:29.114 INFO [stderr] 
Dec 19 14:45:29.115 INFO [stderr] warning: method is never used: `set`
Dec 19 14:45:29.115 INFO [stderr]   --> src/negative_array.rs:62:3
Dec 19 14:45:29.115 INFO [stderr]    |
Dec 19 14:45:29.115 INFO [stderr] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
Dec 19 14:45:29.116 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:45:29.116 INFO [stderr] 
Dec 19 14:45:29.133 INFO [stderr] warning: unused variable: `algo`
Dec 19 14:45:29.133 INFO [stderr]   --> src/main.rs:56:7
Dec 19 14:45:29.133 INFO [stderr]    |
Dec 19 14:45:29.133 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Dec 19 14:45:29.134 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Dec 19 14:45:29.134 INFO [stderr]    |
Dec 19 14:45:29.134 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:45:29.134 INFO [stderr] 
Dec 19 14:45:29.247 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:45:29.247 INFO [stderr]   --> src/negative_array.rs:83:9
Dec 19 14:45:29.248 INFO [stderr]    |
Dec 19 14:45:29.248 INFO [stderr] 83 |     let mut arr = NegativeArray::new(10);
Dec 19 14:45:29.248 INFO [stderr]    |         ----^^^
Dec 19 14:45:29.248 INFO [stderr]    |         |
Dec 19 14:45:29.249 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:45:29.249 INFO [stderr]    |
Dec 19 14:45:29.249 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:45:29.249 INFO [stderr] 
Dec 19 14:45:29.305 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 19 14:45:30.808 INFO running `"docker" "inspect" "1e0290649b969bb6124263c94e97b887aa2f80497960e55908581dd33e1ab57a"`
Dec 19 14:45:31.178 INFO running `"docker" "rm" "-f" "1e0290649b969bb6124263c94e97b887aa2f80497960e55908581dd33e1ab57a"`
Dec 19 14:45:31.528 INFO [stdout] 1e0290649b969bb6124263c94e97b887aa2f80497960e55908581dd33e1ab57a