Dec 12 00:54:48.390 INFO checking PhilipDaniels/word_chains against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:54:48.390 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 00:54:48.904 INFO [stdout] ee62bff0d10c07a6f47228848b687d07e7e0cd6b61b70153fe88cc645a613351
Dec 12 00:54:48.906 INFO running `"docker" "start" "-a" "ee62bff0d10c07a6f47228848b687d07e7e0cd6b61b70153fe88cc645a613351"`
Dec 12 00:54:50.464 INFO [stderr] usermod: no changes
Dec 12 00:54:50.653 INFO [stderr]     Checking word_chains v0.1.0 (/source)
Dec 12 00:54:52.544 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:54:52.544 INFO [stderr]  --> src/main.rs:1:1
Dec 12 00:54:52.544 INFO [stderr]   |
Dec 12 00:54:52.544 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 12 00:54:52.544 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:54:52.544 INFO [stderr]   |
Dec 12 00:54:52.544 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:54:52.544 INFO [stderr] 
Dec 12 00:54:52.744 INFO [stderr] warning: unused variable: `g`
Dec 12 00:54:52.744 INFO [stderr]   --> src/letter_differences.rs:36:13
Dec 12 00:54:52.744 INFO [stderr]    |
Dec 12 00:54:52.744 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Dec 12 00:54:52.744 INFO [stderr]    |             ^ help: consider using `_g` instead
Dec 12 00:54:52.744 INFO [stderr]    |
Dec 12 00:54:52.744 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:54:52.744 INFO [stderr] 
Dec 12 00:54:52.792 INFO [stderr] warning: field is never used: `word`
Dec 12 00:54:52.792 INFO [stderr]  --> src/graph.rs:4:5
Dec 12 00:54:52.792 INFO [stderr]   |
Dec 12 00:54:52.792 INFO [stderr] 4 |     word: &'word String,
Dec 12 00:54:52.792 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 00:54:52.792 INFO [stderr]   |
Dec 12 00:54:52.792 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 00:54:52.792 INFO [stderr] 
Dec 12 00:54:52.792 INFO [stderr] warning: method is never used: `word`
Dec 12 00:54:52.792 INFO [stderr]   --> src/graph.rs:18:5
Dec 12 00:54:52.792 INFO [stderr]    |
Dec 12 00:54:52.792 INFO [stderr] 18 |     fn word(&self) -> &String {
Dec 12 00:54:52.792 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:54:52.792 INFO [stderr] 
Dec 12 00:54:52.975 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 00:54:52.980 INFO [stderr]  --> src/main.rs:1:1
Dec 12 00:54:52.980 INFO [stderr]   |
Dec 12 00:54:52.980 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 12 00:54:52.980 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 00:54:52.981 INFO [stderr]   |
Dec 12 00:54:52.981 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:54:52.981 INFO [stderr] 
Dec 12 00:54:53.128 INFO [stderr] warning: unused variable: `g`
Dec 12 00:54:53.128 INFO [stderr]   --> src/letter_differences.rs:36:13
Dec 12 00:54:53.128 INFO [stderr]    |
Dec 12 00:54:53.128 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Dec 12 00:54:53.128 INFO [stderr]    |             ^ help: consider using `_g` instead
Dec 12 00:54:53.128 INFO [stderr]    |
Dec 12 00:54:53.128 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:54:53.128 INFO [stderr] 
Dec 12 00:54:53.164 INFO [stderr] warning: field is never used: `word`
Dec 12 00:54:53.164 INFO [stderr]  --> src/graph.rs:4:5
Dec 12 00:54:53.164 INFO [stderr]   |
Dec 12 00:54:53.164 INFO [stderr] 4 |     word: &'word String,
Dec 12 00:54:53.164 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 12 00:54:53.164 INFO [stderr]   |
Dec 12 00:54:53.164 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 00:54:53.164 INFO [stderr] 
Dec 12 00:54:53.164 INFO [stderr] warning: method is never used: `word`
Dec 12 00:54:53.164 INFO [stderr]   --> src/graph.rs:18:5
Dec 12 00:54:53.164 INFO [stderr]    |
Dec 12 00:54:53.164 INFO [stderr] 18 |     fn word(&self) -> &String {
Dec 12 00:54:53.164 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:54:53.164 INFO [stderr] 
Dec 12 00:54:53.195 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
Dec 12 00:54:53.208 INFO [stderr] su: No module specific data is present
Dec 12 00:54:53.830 INFO running `"docker" "inspect" "ee62bff0d10c07a6f47228848b687d07e7e0cd6b61b70153fe88cc645a613351"`
Dec 12 00:54:54.233 INFO running `"docker" "rm" "-f" "ee62bff0d10c07a6f47228848b687d07e7e0cd6b61b70153fe88cc645a613351"`
Dec 12 00:54:54.466 INFO [stdout] ee62bff0d10c07a6f47228848b687d07e7e0cd6b61b70153fe88cc645a613351