Nov 17 12:41:55.910 INFO testing PhilipDaniels/word_chains against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 12:41:55.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:41:56.345 INFO [stdout] 0386f00a98b192e862c16f4bbd9db0e2ba0a782ce5fa7b2d63388d9c29f5f7f6
Nov 17 12:41:56.353 INFO running `"docker" "start" "-a" "0386f00a98b192e862c16f4bbd9db0e2ba0a782ce5fa7b2d63388d9c29f5f7f6"`
Nov 17 12:41:57.535 INFO [stderr] usermod: no changes
Nov 17 12:41:57.687 INFO [stderr]    Compiling syn v0.12.14
Nov 17 12:42:06.115 INFO [stderr]    Compiling structopt-derive v0.2.5
Nov 17 12:42:09.695 INFO [stderr]    Compiling structopt v0.2.5
Nov 17 12:42:10.323 INFO [stderr]    Compiling word_chains v0.1.0 (/source)
Nov 17 12:42:10.867 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 12:42:10.867 INFO [stderr]  --> src/main.rs:1:1
Nov 17 12:42:10.867 INFO [stderr]   |
Nov 17 12:42:10.867 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Nov 17 12:42:10.867 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 12:42:10.867 INFO [stderr]   |
Nov 17 12:42:10.867 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 12:42:10.867 INFO [stderr] 
Nov 17 12:42:11.023 INFO [stderr] warning: unused variable: `g`
Nov 17 12:42:11.023 INFO [stderr]   --> src/letter_differences.rs:36:13
Nov 17 12:42:11.023 INFO [stderr]    |
Nov 17 12:42:11.023 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Nov 17 12:42:11.023 INFO [stderr]    |             ^ help: consider using `_g` instead
Nov 17 12:42:11.023 INFO [stderr]    |
Nov 17 12:42:11.023 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 12:42:11.023 INFO [stderr] 
Nov 17 12:42:11.075 INFO [stderr] warning: field is never used: `word`
Nov 17 12:42:11.075 INFO [stderr]  --> src/graph.rs:4:5
Nov 17 12:42:11.075 INFO [stderr]   |
Nov 17 12:42:11.075 INFO [stderr] 4 |     word: &'word String,
Nov 17 12:42:11.075 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 17 12:42:11.075 INFO [stderr]   |
Nov 17 12:42:11.075 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 12:42:11.075 INFO [stderr] 
Nov 17 12:42:11.075 INFO [stderr] warning: method is never used: `word`
Nov 17 12:42:11.075 INFO [stderr]   --> src/graph.rs:18:5
Nov 17 12:42:11.075 INFO [stderr]    |
Nov 17 12:42:11.075 INFO [stderr] 18 |     fn word(&self) -> &String {
Nov 17 12:42:11.075 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:42:11.075 INFO [stderr] 
Nov 17 12:42:13.391 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.82s
Nov 17 12:42:13.396 INFO [stderr] su: No module specific data is present
Nov 17 12:42:14.347 INFO running `"docker" "inspect" "0386f00a98b192e862c16f4bbd9db0e2ba0a782ce5fa7b2d63388d9c29f5f7f6"`
Nov 17 12:42:14.700 INFO running `"docker" "rm" "-f" "0386f00a98b192e862c16f4bbd9db0e2ba0a782ce5fa7b2d63388d9c29f5f7f6"`
Nov 17 12:42:15.045 INFO [stdout] 0386f00a98b192e862c16f4bbd9db0e2ba0a782ce5fa7b2d63388d9c29f5f7f6
Nov 17 12:42:15.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:42:15.519 INFO [stdout] feb31ba5dc5d8efaec06f074dcec15c4768e1699f03e04a9f1ec06fe32a5633c
Nov 17 12:42:15.520 INFO running `"docker" "start" "-a" "feb31ba5dc5d8efaec06f074dcec15c4768e1699f03e04a9f1ec06fe32a5633c"`
Nov 17 12:42:17.014 INFO [stderr] usermod: no changes
Nov 17 12:42:17.107 INFO [stderr]    Compiling word_chains v0.1.0 (/source)
Nov 17 12:42:17.751 INFO [stderr] warning: unused `#[macro_use]` import
Nov 17 12:42:17.751 INFO [stderr]  --> src/main.rs:1:1
Nov 17 12:42:17.751 INFO [stderr]   |
Nov 17 12:42:17.751 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Nov 17 12:42:17.751 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 12:42:17.751 INFO [stderr]   |
Nov 17 12:42:17.751 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 12:42:17.751 INFO [stderr] 
Nov 17 12:42:17.895 INFO [stderr] warning: unused variable: `g`
Nov 17 12:42:17.895 INFO [stderr]   --> src/letter_differences.rs:36:13
Nov 17 12:42:17.895 INFO [stderr]    |
Nov 17 12:42:17.895 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Nov 17 12:42:17.895 INFO [stderr]    |             ^ help: consider using `_g` instead
Nov 17 12:42:17.895 INFO [stderr]    |
Nov 17 12:42:17.895 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 12:42:17.895 INFO [stderr] 
Nov 17 12:42:17.947 INFO [stderr] warning: field is never used: `word`
Nov 17 12:42:17.947 INFO [stderr]  --> src/graph.rs:4:5
Nov 17 12:42:17.947 INFO [stderr]   |
Nov 17 12:42:17.947 INFO [stderr] 4 |     word: &'word String,
Nov 17 12:42:17.947 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 17 12:42:17.947 INFO [stderr]   |
Nov 17 12:42:17.947 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 12:42:17.947 INFO [stderr] 
Nov 17 12:42:17.947 INFO [stderr] warning: method is never used: `word`
Nov 17 12:42:17.947 INFO [stderr]   --> src/graph.rs:18:5
Nov 17 12:42:17.947 INFO [stderr]    |
Nov 17 12:42:17.947 INFO [stderr] 18 |     fn word(&self) -> &String {
Nov 17 12:42:17.947 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:42:17.947 INFO [stderr] 
Nov 17 12:42:18.393 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Nov 17 12:42:18.408 INFO [stderr] su: No module specific data is present
Nov 17 12:42:19.618 INFO running `"docker" "inspect" "feb31ba5dc5d8efaec06f074dcec15c4768e1699f03e04a9f1ec06fe32a5633c"`
Nov 17 12:42:19.897 INFO running `"docker" "rm" "-f" "feb31ba5dc5d8efaec06f074dcec15c4768e1699f03e04a9f1ec06fe32a5633c"`
Nov 17 12:42:20.250 INFO [stdout] feb31ba5dc5d8efaec06f074dcec15c4768e1699f03e04a9f1ec06fe32a5633c
Nov 17 12:42:20.258 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:42:20.706 INFO [stdout] 6989dc224865e13fe9d090f54f7c2626c3a4a0fbeb07c7a54e548a00943e054e
Nov 17 12:42:20.715 INFO running `"docker" "start" "-a" "6989dc224865e13fe9d090f54f7c2626c3a4a0fbeb07c7a54e548a00943e054e"`
Nov 17 12:42:22.371 INFO [stderr] usermod: no changes
Nov 17 12:42:22.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 17 12:42:22.507 INFO [stderr]      Running /target/debug/deps/word_chains-ec1b135702fc017b
Nov 17 12:42:22.515 INFO [stdout] 
Nov 17 12:42:22.515 INFO [stdout] running 0 tests
Nov 17 12:42:22.515 INFO [stdout] 
Nov 17 12:42:22.515 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:42:22.515 INFO [stdout] 
Nov 17 12:42:22.531 INFO [stderr] su: No module specific data is present
Nov 17 12:42:23.614 INFO running `"docker" "inspect" "6989dc224865e13fe9d090f54f7c2626c3a4a0fbeb07c7a54e548a00943e054e"`
Nov 17 12:42:24.047 INFO running `"docker" "rm" "-f" "6989dc224865e13fe9d090f54f7c2626c3a4a0fbeb07c7a54e548a00943e054e"`
Nov 17 12:42:24.383 INFO [stdout] 6989dc224865e13fe9d090f54f7c2626c3a4a0fbeb07c7a54e548a00943e054e