Nov 30 00:28:52.561 INFO checking justinbarclay/diff against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:28:52.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 00:28:52.952 INFO [stdout] fefaab5dd417a561fbbdffef890763029accc00e2794412f384dd4e5a16bce0c
Nov 30 00:28:52.958 INFO running `"docker" "start" "-a" "fefaab5dd417a561fbbdffef890763029accc00e2794412f384dd4e5a16bce0c"`
Nov 30 00:28:54.612 INFO [stderr] usermod: no changes
Nov 30 00:28:54.744 INFO [stderr]     Checking rdiff v0.1.0 (/source)
Nov 30 00:28:55.572 INFO [stderr] warning: unused import: `time::now`
Nov 30 00:28:55.573 INFO [stderr]  --> src/diff.rs:7:5
Nov 30 00:28:55.573 INFO [stderr]   |
Nov 30 00:28:55.573 INFO [stderr] 7 | use time::now;
Nov 30 00:28:55.573 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:28:55.573 INFO [stderr]   |
Nov 30 00:28:55.573 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:28:55.573 INFO [stderr] 
Nov 30 00:28:55.573 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Nov 30 00:28:55.573 INFO [stderr]  --> src/main.rs:9:12
Nov 30 00:28:55.573 INFO [stderr]   |
Nov 30 00:28:55.573 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Nov 30 00:28:55.573 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.573 INFO [stderr] 
Nov 30 00:28:55.681 INFO [stderr] warning: unused import: `time::now`
Nov 30 00:28:55.681 INFO [stderr]  --> src/diff.rs:7:5
Nov 30 00:28:55.681 INFO [stderr]   |
Nov 30 00:28:55.682 INFO [stderr] 7 | use time::now;
Nov 30 00:28:55.682 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:28:55.682 INFO [stderr]   |
Nov 30 00:28:55.683 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:28:55.683 INFO [stderr] 
Nov 30 00:28:55.683 INFO [stderr] warning: unused imports: `Edit`, `decorate_differences`, `diff_greedy`
Nov 30 00:28:55.683 INFO [stderr]  --> src/main.rs:9:12
Nov 30 00:28:55.684 INFO [stderr]   |
Nov 30 00:28:55.684 INFO [stderr] 9 | use diff::{diff_greedy, Edit, decorate_differences};
Nov 30 00:28:55.684 INFO [stderr]   |            ^^^^^^^^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.685 INFO [stderr] 
Nov 30 00:28:55.838 INFO [stderr] warning: unused variable: `algo`
Nov 30 00:28:55.838 INFO [stderr]   --> src/main.rs:56:7
Nov 30 00:28:55.838 INFO [stderr]    |
Nov 30 00:28:55.838 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Nov 30 00:28:55.838 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Nov 30 00:28:55.838 INFO [stderr]    |
Nov 30 00:28:55.838 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:28:55.838 INFO [stderr] 
Nov 30 00:28:55.930 INFO [stderr] warning: method is never used: `get`
Nov 30 00:28:55.930 INFO [stderr]   --> src/negative_array.rs:52:3
Nov 30 00:28:55.930 INFO [stderr]    |
Nov 30 00:28:55.930 INFO [stderr] 52 |   pub fn get(&self, offset: isize) -> isize {
Nov 30 00:28:55.930 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.931 INFO [stderr]    |
Nov 30 00:28:55.931 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 00:28:55.931 INFO [stderr] 
Nov 30 00:28:55.931 INFO [stderr] warning: method is never used: `set`
Nov 30 00:28:55.931 INFO [stderr]   --> src/negative_array.rs:62:3
Nov 30 00:28:55.931 INFO [stderr]    |
Nov 30 00:28:55.931 INFO [stderr] 62 |   pub fn set(&mut self, offset: isize, value: isize) -> &mut NegativeArray {
Nov 30 00:28:55.931 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:28:55.931 INFO [stderr] 
Nov 30 00:28:56.034 INFO [stderr] warning: unused variable: `algo`
Nov 30 00:28:56.034 INFO [stderr]   --> src/main.rs:56:7
Nov 30 00:28:56.034 INFO [stderr]    |
Nov 30 00:28:56.035 INFO [stderr] 56 |   let algo = matches.value_of("ALGORITHM").unwrap_or("greedy");
Nov 30 00:28:56.035 INFO [stderr]    |       ^^^^ help: consider using `_algo` instead
Nov 30 00:28:56.035 INFO [stderr]    |
Nov 30 00:28:56.035 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:28:56.035 INFO [stderr] 
Nov 30 00:28:56.138 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:28:56.138 INFO [stderr]   --> src/negative_array.rs:83:9
Nov 30 00:28:56.138 INFO [stderr]    |
Nov 30 00:28:56.139 INFO [stderr] 83 |     let mut arr = NegativeArray::new(10);
Nov 30 00:28:56.139 INFO [stderr]    |         ----^^^
Nov 30 00:28:56.139 INFO [stderr]    |         |
Nov 30 00:28:56.139 INFO [stderr]    |         help: remove this `mut`
Nov 30 00:28:56.139 INFO [stderr]    |
Nov 30 00:28:56.140 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:28:56.140 INFO [stderr] 
Nov 30 00:28:56.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Nov 30 00:28:56.177 INFO [stderr] su: No module specific data is present
Nov 30 00:28:57.505 INFO running `"docker" "inspect" "fefaab5dd417a561fbbdffef890763029accc00e2794412f384dd4e5a16bce0c"`
Nov 30 00:28:57.796 INFO running `"docker" "rm" "-f" "fefaab5dd417a561fbbdffef890763029accc00e2794412f384dd4e5a16bce0c"`
Nov 30 00:28:58.140 INFO [stdout] fefaab5dd417a561fbbdffef890763029accc00e2794412f384dd4e5a16bce0c