Nov 28 11:39:12.984 INFO checking PhilipDaniels/word_chains against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:39:12.984 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 11:39:13.399 INFO [stdout] 12199e9bdd475d35d8a4aee84133039b1340db9c478421b764bddc23d40a2b6d
Nov 28 11:39:13.409 INFO running `"docker" "start" "-a" "12199e9bdd475d35d8a4aee84133039b1340db9c478421b764bddc23d40a2b6d"`
Nov 28 11:39:14.460 INFO [stderr] usermod: no changes
Nov 28 11:39:14.572 INFO [stderr]     Checking word_chains v0.1.0 (/source)
Nov 28 11:39:16.148 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 11:39:16.148 INFO [stderr]  --> src/main.rs:1:1
Nov 28 11:39:16.148 INFO [stderr]   |
Nov 28 11:39:16.148 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Nov 28 11:39:16.148 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 11:39:16.148 INFO [stderr]   |
Nov 28 11:39:16.148 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:39:16.148 INFO [stderr] 
Nov 28 11:39:16.440 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 11:39:16.440 INFO [stderr]  --> src/main.rs:1:1
Nov 28 11:39:16.440 INFO [stderr]   |
Nov 28 11:39:16.440 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Nov 28 11:39:16.442 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 11:39:16.442 INFO [stderr]   |
Nov 28 11:39:16.442 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:39:16.442 INFO [stderr] 
Nov 28 11:39:16.467 INFO [stderr] warning: unused variable: `g`
Nov 28 11:39:16.467 INFO [stderr]   --> src/letter_differences.rs:36:13
Nov 28 11:39:16.467 INFO [stderr]    |
Nov 28 11:39:16.467 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Nov 28 11:39:16.467 INFO [stderr]    |             ^ help: consider using `_g` instead
Nov 28 11:39:16.467 INFO [stderr]    |
Nov 28 11:39:16.469 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:39:16.469 INFO [stderr] 
Nov 28 11:39:16.554 INFO [stderr] warning: field is never used: `word`
Nov 28 11:39:16.554 INFO [stderr]  --> src/graph.rs:4:5
Nov 28 11:39:16.554 INFO [stderr]   |
Nov 28 11:39:16.554 INFO [stderr] 4 |     word: &'word String,
Nov 28 11:39:16.554 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 11:39:16.554 INFO [stderr]   |
Nov 28 11:39:16.554 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 11:39:16.555 INFO [stderr] 
Nov 28 11:39:16.555 INFO [stderr] warning: method is never used: `word`
Nov 28 11:39:16.555 INFO [stderr]   --> src/graph.rs:18:5
Nov 28 11:39:16.555 INFO [stderr]    |
Nov 28 11:39:16.555 INFO [stderr] 18 |     fn word(&self) -> &String {
Nov 28 11:39:16.555 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:39:16.555 INFO [stderr] 
Nov 28 11:39:16.666 INFO [stderr] warning: unused variable: `g`
Nov 28 11:39:16.666 INFO [stderr]   --> src/letter_differences.rs:36:13
Nov 28 11:39:16.666 INFO [stderr]    |
Nov 28 11:39:16.666 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Nov 28 11:39:16.666 INFO [stderr]    |             ^ help: consider using `_g` instead
Nov 28 11:39:16.666 INFO [stderr]    |
Nov 28 11:39:16.666 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:39:16.666 INFO [stderr] 
Nov 28 11:39:16.730 INFO [stderr] warning: field is never used: `word`
Nov 28 11:39:16.730 INFO [stderr]  --> src/graph.rs:4:5
Nov 28 11:39:16.730 INFO [stderr]   |
Nov 28 11:39:16.730 INFO [stderr] 4 |     word: &'word String,
Nov 28 11:39:16.730 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 11:39:16.730 INFO [stderr]   |
Nov 28 11:39:16.731 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 11:39:16.731 INFO [stderr] 
Nov 28 11:39:16.732 INFO [stderr] warning: method is never used: `word`
Nov 28 11:39:16.732 INFO [stderr]   --> src/graph.rs:18:5
Nov 28 11:39:16.732 INFO [stderr]    |
Nov 28 11:39:16.732 INFO [stderr] 18 |     fn word(&self) -> &String {
Nov 28 11:39:16.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:39:16.732 INFO [stderr] 
Nov 28 11:39:16.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
Nov 28 11:39:16.801 INFO [stderr] su: No module specific data is present
Nov 28 11:39:17.848 INFO running `"docker" "inspect" "12199e9bdd475d35d8a4aee84133039b1340db9c478421b764bddc23d40a2b6d"`
Nov 28 11:39:18.198 INFO running `"docker" "rm" "-f" "12199e9bdd475d35d8a4aee84133039b1340db9c478421b764bddc23d40a2b6d"`
Nov 28 11:39:18.561 INFO [stdout] 12199e9bdd475d35d8a4aee84133039b1340db9c478421b764bddc23d40a2b6d