Dec 04 16:12:34.779 INFO checking justinbarclay/diff against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:12:34.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 16:12:35.176 INFO [stdout] 727436ea6ba34cfbd806f78132f93b6bd21c414547fd6ae856259ac8dfb75f40
Dec 04 16:12:35.178 INFO running `"docker" "start" "-a" "727436ea6ba34cfbd806f78132f93b6bd21c414547fd6ae856259ac8dfb75f40"`
Dec 04 16:12:36.494 INFO [stderr] usermod: no changes
Dec 04 16:12:36.643 INFO [stderr]     Checking rdiff v0.1.0 (/source)
Dec 04 16:12:37.551 INFO [stderr] warning: unused import: `time::now`
Dec 04 16:12:37.551 INFO [stderr]  --> src/diff.rs:7:5
Dec 04 16:12:37.551 INFO [stderr]   |
Dec 04 16:12:37.551 INFO [stderr] 7 | use time::now;
Dec 04 16:12:37.551 INFO [stderr]   |     ^^^^^^^^^
Dec 04 16:12:37.551 INFO [stderr]   |
Dec 04 16:12:37.551 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:12:37.551 INFO [stderr] 
Dec 04 16:12:37.551 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Dec 04 16:12:37.551 INFO [stderr]  --> src/main.rs:9:12
Dec 04 16:12:37.551 INFO [stderr]   |
Dec 04 16:12:37.551 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Dec 04 16:12:37.551 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:37.551 INFO [stderr] 
Dec 04 16:12:37.764 INFO [stderr] warning: unused import: `time::now`
Dec 04 16:12:37.765 INFO [stderr]  --> src/diff.rs:7:5
Dec 04 16:12:37.765 INFO [stderr]   |
Dec 04 16:12:37.765 INFO [stderr] 7 | use time::now;
Dec 04 16:12:37.765 INFO [stderr]   |     ^^^^^^^^^
Dec 04 16:12:37.765 INFO [stderr]   |
Dec 04 16:12:37.765 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:12:37.765 INFO [stderr] 
Dec 04 16:12:37.765 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Dec 04 16:12:37.765 INFO [stderr]  --> src/main.rs:9:12
Dec 04 16:12:37.765 INFO [stderr]   |
Dec 04 16:12:37.765 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Dec 04 16:12:37.765 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:37.765 INFO [stderr] 
Dec 04 16:12:38.111 INFO [stderr] warning: unused variable: `algo`
Dec 04 16:12:38.111 INFO [stderr]   --> src/main.rs:56:7
Dec 04 16:12:38.111 INFO [stderr]    |
Dec 04 16:12:38.111 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Dec 04 16:12:38.111 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Dec 04 16:12:38.111 INFO [stderr]    |
Dec 04 16:12:38.111 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:12:38.111 INFO [stderr] 
Dec 04 16:12:38.195 INFO [stderr] warning: unused variable: `algo`
Dec 04 16:12:38.195 INFO [stderr]   --> src/main.rs:56:7
Dec 04 16:12:38.195 INFO [stderr]    |
Dec 04 16:12:38.195 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Dec 04 16:12:38.195 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Dec 04 16:12:38.195 INFO [stderr]    |
Dec 04 16:12:38.195 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:12:38.195 INFO [stderr] 
Dec 04 16:12:38.263 INFO [stderr] warning: method is never used: `get`
Dec 04 16:12:38.263 INFO [stderr]   --> src/negative_array.rs:52:3
Dec 04 16:12:38.263 INFO [stderr]    |
Dec 04 16:12:38.263 INFO [stderr] 52 |   pub fn get(&self, offset: isize) -> isize {
Dec 04 16:12:38.263 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:38.263 INFO [stderr]    |
Dec 04 16:12:38.263 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 16:12:38.263 INFO [stderr] 
Dec 04 16:12:38.263 INFO [stderr] warning: method is never used: `set`
Dec 04 16:12:38.263 INFO [stderr]   --> src/negative_array.rs:62:3
Dec 04 16:12:38.263 INFO [stderr]    |
Dec 04 16:12:38.263 INFO [stderr] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
Dec 04 16:12:38.263 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:12:38.263 INFO [stderr] 
Dec 04 16:12:38.335 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:12:38.335 INFO [stderr]   --> src/negative_array.rs:83:9
Dec 04 16:12:38.335 INFO [stderr]    |
Dec 04 16:12:38.335 INFO [stderr] 83 |     let mut arr = NegativeArray::new(10);
Dec 04 16:12:38.335 INFO [stderr]    |         ----^^^
Dec 04 16:12:38.335 INFO [stderr]    |         |
Dec 04 16:12:38.335 INFO [stderr]    |         help: remove this `mut`
Dec 04 16:12:38.335 INFO [stderr]    |
Dec 04 16:12:38.335 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 16:12:38.335 INFO [stderr] 
Dec 04 16:12:38.377 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
Dec 04 16:12:38.387 INFO [stderr] su: No module specific data is present
Dec 04 16:12:39.325 INFO running `"docker" "inspect" "727436ea6ba34cfbd806f78132f93b6bd21c414547fd6ae856259ac8dfb75f40"`
Dec 04 16:12:39.617 INFO running `"docker" "rm" "-f" "727436ea6ba34cfbd806f78132f93b6bd21c414547fd6ae856259ac8dfb75f40"`
Dec 04 16:12:39.955 INFO [stdout] 727436ea6ba34cfbd806f78132f93b6bd21c414547fd6ae856259ac8dfb75f40