Dec 14 06:56:33.083 INFO testing PhilipDaniels/word_chains against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 06:56:33.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 06:56:33.514 INFO [stdout] b084d3ab6e30ecc84e37caeb76d117d40b75991360e9cea50335f424f67ef4e9
Dec 14 06:56:33.519 INFO running `"docker" "start" "-a" "b084d3ab6e30ecc84e37caeb76d117d40b75991360e9cea50335f424f67ef4e9"`
Dec 14 06:56:35.162 INFO [stderr] usermod: no changes
Dec 14 06:56:35.287 INFO [stderr]    Compiling word_chains v0.1.0 (/source)
Dec 14 06:56:36.661 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 06:56:36.661 INFO [stderr]  --> src/main.rs:1:1
Dec 14 06:56:36.661 INFO [stderr]   |
Dec 14 06:56:36.661 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 14 06:56:36.661 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 06:56:36.661 INFO [stderr]   |
Dec 14 06:56:36.662 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:56:36.662 INFO [stderr] 
Dec 14 06:56:36.830 INFO [stderr] warning: unused variable: `g`
Dec 14 06:56:36.830 INFO [stderr]   --> src/letter_differences.rs:36:13
Dec 14 06:56:36.830 INFO [stderr]    |
Dec 14 06:56:36.830 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Dec 14 06:56:36.830 INFO [stderr]    |             ^ help: consider using `_g` instead
Dec 14 06:56:36.830 INFO [stderr]    |
Dec 14 06:56:36.830 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:56:36.830 INFO [stderr] 
Dec 14 06:56:36.895 INFO [stderr] warning: field is never used: `word`
Dec 14 06:56:36.895 INFO [stderr]  --> src/graph.rs:4:5
Dec 14 06:56:36.895 INFO [stderr]   |
Dec 14 06:56:36.895 INFO [stderr] 4 |     word: &'word String,
Dec 14 06:56:36.895 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 06:56:36.895 INFO [stderr]   |
Dec 14 06:56:36.895 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 06:56:36.895 INFO [stderr] 
Dec 14 06:56:36.895 INFO [stderr] warning: method is never used: `word`
Dec 14 06:56:36.895 INFO [stderr]   --> src/graph.rs:18:5
Dec 14 06:56:36.895 INFO [stderr]    |
Dec 14 06:56:36.895 INFO [stderr] 18 |     fn word(&self) -> &String {
Dec 14 06:56:36.895 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:56:36.895 INFO [stderr] 
Dec 14 06:56:39.199 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Dec 14 06:56:39.204 INFO [stderr] su: No module specific data is present
Dec 14 06:56:40.303 INFO running `"docker" "inspect" "b084d3ab6e30ecc84e37caeb76d117d40b75991360e9cea50335f424f67ef4e9"`
Dec 14 06:56:40.563 INFO running `"docker" "rm" "-f" "b084d3ab6e30ecc84e37caeb76d117d40b75991360e9cea50335f424f67ef4e9"`
Dec 14 06:56:40.823 INFO [stdout] b084d3ab6e30ecc84e37caeb76d117d40b75991360e9cea50335f424f67ef4e9
Dec 14 06:56:40.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 06:56:41.360 INFO [stdout] 89adfb92ce8064bd9399b3950bb502f53022992e03da1a51daabf6f445dec65d
Dec 14 06:56:41.362 INFO running `"docker" "start" "-a" "89adfb92ce8064bd9399b3950bb502f53022992e03da1a51daabf6f445dec65d"`
Dec 14 06:56:42.578 INFO [stderr] usermod: no changes
Dec 14 06:56:42.667 INFO [stderr]    Compiling word_chains v0.1.0 (/source)
Dec 14 06:56:43.863 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 06:56:43.863 INFO [stderr]  --> src/main.rs:1:1
Dec 14 06:56:43.863 INFO [stderr]   |
Dec 14 06:56:43.863 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 14 06:56:43.863 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 06:56:43.863 INFO [stderr]   |
Dec 14 06:56:43.863 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:56:43.863 INFO [stderr] 
Dec 14 06:56:43.995 INFO [stderr] warning: unused variable: `g`
Dec 14 06:56:43.995 INFO [stderr]   --> src/letter_differences.rs:36:13
Dec 14 06:56:43.995 INFO [stderr]    |
Dec 14 06:56:43.995 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Dec 14 06:56:43.995 INFO [stderr]    |             ^ help: consider using `_g` instead
Dec 14 06:56:43.995 INFO [stderr]    |
Dec 14 06:56:43.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 06:56:43.995 INFO [stderr] 
Dec 14 06:56:44.052 INFO [stderr] warning: field is never used: `word`
Dec 14 06:56:44.052 INFO [stderr]  --> src/graph.rs:4:5
Dec 14 06:56:44.052 INFO [stderr]   |
Dec 14 06:56:44.052 INFO [stderr] 4 |     word: &'word String,
Dec 14 06:56:44.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 06:56:44.052 INFO [stderr]   |
Dec 14 06:56:44.052 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 06:56:44.052 INFO [stderr] 
Dec 14 06:56:44.052 INFO [stderr] warning: method is never used: `word`
Dec 14 06:56:44.052 INFO [stderr]   --> src/graph.rs:18:5
Dec 14 06:56:44.052 INFO [stderr]    |
Dec 14 06:56:44.052 INFO [stderr] 18 |     fn word(&self) -> &String {
Dec 14 06:56:44.052 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 06:56:44.052 INFO [stderr] 
Dec 14 06:56:44.479 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 14 06:56:44.484 INFO [stderr] su: No module specific data is present
Dec 14 06:56:45.501 INFO running `"docker" "inspect" "89adfb92ce8064bd9399b3950bb502f53022992e03da1a51daabf6f445dec65d"`
Dec 14 06:56:45.717 INFO running `"docker" "rm" "-f" "89adfb92ce8064bd9399b3950bb502f53022992e03da1a51daabf6f445dec65d"`
Dec 14 06:56:45.991 INFO [stdout] 89adfb92ce8064bd9399b3950bb502f53022992e03da1a51daabf6f445dec65d
Dec 14 06:56:45.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 06:56:46.438 INFO [stdout] 4ca313c951382f36bb1b324e0295139aa6f0b4a1bf421717edaf2557773ba38a
Dec 14 06:56:46.441 INFO running `"docker" "start" "-a" "4ca313c951382f36bb1b324e0295139aa6f0b4a1bf421717edaf2557773ba38a"`
Dec 14 06:56:47.774 INFO [stderr] usermod: no changes
Dec 14 06:56:47.851 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 06:56:47.863 INFO [stderr]      Running /target/debug/deps/word_chains-e55e5e8cc66fe5a4
Dec 14 06:56:47.864 INFO [stdout] 
Dec 14 06:56:47.864 INFO [stdout] running 0 tests
Dec 14 06:56:47.867 INFO [stdout] 
Dec 14 06:56:47.867 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:56:47.867 INFO [stdout] 
Dec 14 06:56:47.875 INFO [stderr] su: No module specific data is present
Dec 14 06:56:48.934 INFO running `"docker" "inspect" "4ca313c951382f36bb1b324e0295139aa6f0b4a1bf421717edaf2557773ba38a"`
Dec 14 06:56:49.181 INFO running `"docker" "rm" "-f" "4ca313c951382f36bb1b324e0295139aa6f0b4a1bf421717edaf2557773ba38a"`
Dec 14 06:56:49.447 INFO [stdout] 4ca313c951382f36bb1b324e0295139aa6f0b4a1bf421717edaf2557773ba38a