Nov 30 00:28:52.425 INFO checking justinbarclay/diff against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:28:52.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 00:28:52.895 INFO [stdout] 117121638a4858e4dcb74f0af23b68fa1ef402820559437aa54c32535c523751
Nov 30 00:28:52.904 INFO running `"docker" "start" "-a" "117121638a4858e4dcb74f0af23b68fa1ef402820559437aa54c32535c523751"`
Nov 30 00:28:54.232 INFO [stderr] usermod: no changes
Nov 30 00:28:54.360 INFO [stderr]     Checking rdiff v0.1.0 (/source)
Nov 30 00:28:55.248 INFO [stderr] warning: unused import: `time::now`
Nov 30 00:28:55.248 INFO [stderr]  --> src/diff.rs:7:5
Nov 30 00:28:55.249 INFO [stderr]   |
Nov 30 00:28:55.249 INFO [stderr] 7 | use time::now;
Nov 30 00:28:55.249 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:28:55.249 INFO [stderr]   |
Nov 30 00:28:55.249 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:28:55.249 INFO [stderr] 
Nov 30 00:28:55.249 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Nov 30 00:28:55.249 INFO [stderr]  --> src/main.rs:9:12
Nov 30 00:28:55.249 INFO [stderr]   |
Nov 30 00:28:55.249 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Nov 30 00:28:55.249 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.249 INFO [stderr] 
Nov 30 00:28:55.485 INFO [stderr] warning: unused import: `time::now`
Nov 30 00:28:55.485 INFO [stderr]  --> src/diff.rs:7:5
Nov 30 00:28:55.485 INFO [stderr]   |
Nov 30 00:28:55.485 INFO [stderr] 7 | use time::now;
Nov 30 00:28:55.485 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:28:55.485 INFO [stderr]   |
Nov 30 00:28:55.485 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:28:55.485 INFO [stderr] 
Nov 30 00:28:55.486 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Nov 30 00:28:55.486 INFO [stderr]  --> src/main.rs:9:12
Nov 30 00:28:55.486 INFO [stderr]   |
Nov 30 00:28:55.486 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Nov 30 00:28:55.486 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.486 INFO [stderr] 
Nov 30 00:28:55.580 INFO [stderr] warning: unused variable: `algo`
Nov 30 00:28:55.580 INFO [stderr]   --> src/main.rs:56:7
Nov 30 00:28:55.580 INFO [stderr]    |
Nov 30 00:28:55.580 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Nov 30 00:28:55.580 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Nov 30 00:28:55.580 INFO [stderr]    |
Nov 30 00:28:55.580 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:28:55.580 INFO [stderr] 
Nov 30 00:28:55.696 INFO [stderr] warning: method is never used: `get`
Nov 30 00:28:55.696 INFO [stderr]   --> src/negative_array.rs:52:3
Nov 30 00:28:55.696 INFO [stderr]    |
Nov 30 00:28:55.697 INFO [stderr] 52 |   pub fn get(&self, offset: isize) -> isize {
Nov 30 00:28:55.697 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.697 INFO [stderr]    |
Nov 30 00:28:55.697 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 00:28:55.697 INFO [stderr] 
Nov 30 00:28:55.697 INFO [stderr] warning: method is never used: `set`
Nov 30 00:28:55.697 INFO [stderr]   --> src/negative_array.rs:62:3
Nov 30 00:28:55.697 INFO [stderr]    |
Nov 30 00:28:55.697 INFO [stderr] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
Nov 30 00:28:55.697 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.697 INFO [stderr] 
Nov 30 00:28:55.866 INFO [stderr] warning: unused variable: `algo`
Nov 30 00:28:55.867 INFO [stderr]   --> src/main.rs:56:7
Nov 30 00:28:55.867 INFO [stderr]    |
Nov 30 00:28:55.867 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Nov 30 00:28:55.867 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Nov 30 00:28:55.868 INFO [stderr]    |
Nov 30 00:28:55.868 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:28:55.868 INFO [stderr] 
Nov 30 00:28:55.969 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:28:55.969 INFO [stderr]   --> src/negative_array.rs:83:9
Nov 30 00:28:55.969 INFO [stderr]    |
Nov 30 00:28:55.969 INFO [stderr] 83 |     let mut arr = NegativeArray::new(10);
Nov 30 00:28:55.969 INFO [stderr]    |         ----^^^
Nov 30 00:28:55.969 INFO [stderr]    |         |
Nov 30 00:28:55.969 INFO [stderr]    |         help: remove this `mut`
Nov 30 00:28:55.969 INFO [stderr]    |
Nov 30 00:28:55.969 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:28:55.969 INFO [stderr] 
Nov 30 00:28:56.018 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Nov 30 00:28:56.022 INFO [stderr] su: No module specific data is present
Nov 30 00:28:57.504 INFO running `"docker" "inspect" "117121638a4858e4dcb74f0af23b68fa1ef402820559437aa54c32535c523751"`
Nov 30 00:28:57.820 INFO running `"docker" "rm" "-f" "117121638a4858e4dcb74f0af23b68fa1ef402820559437aa54c32535c523751"`
Nov 30 00:28:58.168 INFO [stdout] 117121638a4858e4dcb74f0af23b68fa1ef402820559437aa54c32535c523751