Oct 13 03:05:25.567 INFO checking PhilipDaniels/word_chains against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 03:05:25.569 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 03:05:25.941 INFO blam! 5d3aedcdf9cebb83e801bb3868baaea9c9901323cf0e8515570d29329d2b9364
Oct 13 03:05:25.953 INFO running `"docker" "start" "-a" "5d3aedcdf9cebb83e801bb3868baaea9c9901323cf0e8515570d29329d2b9364"`
Oct 13 03:05:27.351 INFO kablam! usermod: no changes
Oct 13 03:05:27.468 INFO kablam!     Checking word_chains v0.1.0 (/source)
Oct 13 03:05:29.096 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 03:05:29.096 INFO kablam!  --> src/main.rs:1:1
Oct 13 03:05:29.096 INFO kablam!   |
Oct 13 03:05:29.096 INFO kablam! 1 | #[macro_use] extern crate structopt;
Oct 13 03:05:29.096 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 03:05:29.116 INFO kablam!   |
Oct 13 03:05:29.116 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 03:05:29.116 INFO kablam! 
Oct 13 03:05:29.240 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 03:05:29.240 INFO kablam!  --> src/main.rs:1:1
Oct 13 03:05:29.240 INFO kablam!   |
Oct 13 03:05:29.240 INFO kablam! 1 | #[macro_use] extern crate structopt;
Oct 13 03:05:29.240 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 03:05:29.240 INFO kablam!   |
Oct 13 03:05:29.240 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 03:05:29.242 INFO kablam! 
Oct 13 03:05:29.416 INFO kablam! warning: unused variable: `g`
Oct 13 03:05:29.417 INFO kablam!   --> src/letter_differences.rs:36:13
Oct 13 03:05:29.417 INFO kablam!    |
Oct 13 03:05:29.418 INFO kablam! 36 |         let g = make_graph(&rwords_for_table);
Oct 13 03:05:29.418 INFO kablam!    |             ^ help: consider using `_g` instead
Oct 13 03:05:29.418 INFO kablam!    |
Oct 13 03:05:29.418 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 03:05:29.419 INFO kablam! 
Oct 13 03:05:29.556 INFO kablam! warning: field is never used: `word`
Oct 13 03:05:29.557 INFO kablam!  --> src/graph.rs:4:5
Oct 13 03:05:29.557 INFO kablam!   |
Oct 13 03:05:29.557 INFO kablam! 4 |     word: &'word String,
Oct 13 03:05:29.557 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 03:05:29.558 INFO kablam!   |
Oct 13 03:05:29.558 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 03:05:29.558 INFO kablam! 
Oct 13 03:05:29.559 INFO kablam! warning: method is never used: `word`
Oct 13 03:05:29.559 INFO kablam!   --> src/graph.rs:18:5
Oct 13 03:05:29.559 INFO kablam!    |
Oct 13 03:05:29.559 INFO kablam! 18 |     fn word(&self) -> &String {
Oct 13 03:05:29.560 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:05:29.560 INFO kablam! 
Oct 13 03:05:29.560 INFO kablam! warning: unused variable: `g`
Oct 13 03:05:29.560 INFO kablam!   --> src/letter_differences.rs:36:13
Oct 13 03:05:29.561 INFO kablam!    |
Oct 13 03:05:29.561 INFO kablam! 36 |         let g = make_graph(&rwords_for_table);
Oct 13 03:05:29.561 INFO kablam!    |             ^ help: consider using `_g` instead
Oct 13 03:05:29.562 INFO kablam!    |
Oct 13 03:05:29.562 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 03:05:29.562 INFO kablam! 
Oct 13 03:05:29.656 INFO kablam! warning: field is never used: `word`
Oct 13 03:05:29.657 INFO kablam!  --> src/graph.rs:4:5
Oct 13 03:05:29.657 INFO kablam!   |
Oct 13 03:05:29.657 INFO kablam! 4 |     word: &'word String,
Oct 13 03:05:29.658 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 13 03:05:29.658 INFO kablam!   |
Oct 13 03:05:29.658 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 03:05:29.658 INFO kablam! 
Oct 13 03:05:29.658 INFO kablam! warning: method is never used: `word`
Oct 13 03:05:29.658 INFO kablam!   --> src/graph.rs:18:5
Oct 13 03:05:29.659 INFO kablam!    |
Oct 13 03:05:29.659 INFO kablam! 18 |     fn word(&self) -> &String {
Oct 13 03:05:29.659 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:05:29.659 INFO kablam! 
Oct 13 03:05:29.691 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
Oct 13 03:05:29.702 INFO kablam! su: No module specific data is present
Oct 13 03:05:30.428 INFO running `"docker" "rm" "-f" "5d3aedcdf9cebb83e801bb3868baaea9c9901323cf0e8515570d29329d2b9364"`
Oct 13 03:05:30.680 INFO blam! 5d3aedcdf9cebb83e801bb3868baaea9c9901323cf0e8515570d29329d2b9364