Dec 06 10:46:07.171 INFO testing PhilipDaniels/word_chains against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 10:46:07.171 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 10:46:07.677 INFO [stdout] 8758a4c870f3a107571d4f951cff93cdd32040e3dc8e5991bf10e32e94c32ae4
Dec 06 10:46:07.679 INFO running `"docker" "start" "-a" "8758a4c870f3a107571d4f951cff93cdd32040e3dc8e5991bf10e32e94c32ae4"`
Dec 06 10:46:09.606 INFO [stderr] usermod: no changes
Dec 06 10:46:09.732 INFO [stderr]    Compiling word_chains v0.1.0 (/source)
Dec 06 10:46:11.040 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 10:46:11.041 INFO [stderr]  --> src/main.rs:1:1
Dec 06 10:46:11.041 INFO [stderr]   |
Dec 06 10:46:11.041 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 06 10:46:11.041 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 10:46:11.041 INFO [stderr]   |
Dec 06 10:46:11.042 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:46:11.042 INFO [stderr] 
Dec 06 10:46:11.214 INFO [stderr] warning: unused variable: `g`
Dec 06 10:46:11.214 INFO [stderr]   --> src/letter_differences.rs:36:13
Dec 06 10:46:11.214 INFO [stderr]    |
Dec 06 10:46:11.215 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Dec 06 10:46:11.215 INFO [stderr]    |             ^ help: consider using `_g` instead
Dec 06 10:46:11.215 INFO [stderr]    |
Dec 06 10:46:11.216 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:46:11.216 INFO [stderr] 
Dec 06 10:46:11.255 INFO [stderr] warning: field is never used: `word`
Dec 06 10:46:11.256 INFO [stderr]  --> src/graph.rs:4:5
Dec 06 10:46:11.256 INFO [stderr]   |
Dec 06 10:46:11.256 INFO [stderr] 4 |     word: &'word String,
Dec 06 10:46:11.257 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 06 10:46:11.257 INFO [stderr]   |
Dec 06 10:46:11.257 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 10:46:11.258 INFO [stderr] 
Dec 06 10:46:11.258 INFO [stderr] warning: method is never used: `word`
Dec 06 10:46:11.258 INFO [stderr]   --> src/graph.rs:18:5
Dec 06 10:46:11.258 INFO [stderr]    |
Dec 06 10:46:11.259 INFO [stderr] 18 |     fn word(&self) -> &String {
Dec 06 10:46:11.259 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:46:11.259 INFO [stderr] 
Dec 06 10:46:13.693 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
Dec 06 10:46:13.698 INFO [stderr] su: No module specific data is present
Dec 06 10:46:14.546 INFO running `"docker" "inspect" "8758a4c870f3a107571d4f951cff93cdd32040e3dc8e5991bf10e32e94c32ae4"`
Dec 06 10:46:14.838 INFO running `"docker" "rm" "-f" "8758a4c870f3a107571d4f951cff93cdd32040e3dc8e5991bf10e32e94c32ae4"`
Dec 06 10:46:15.149 INFO [stdout] 8758a4c870f3a107571d4f951cff93cdd32040e3dc8e5991bf10e32e94c32ae4
Dec 06 10:46:15.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 10:46:15.686 INFO [stdout] 017925746e586eb18e1fda7c4bdcc5c6319ec7d5b4a8e1ccaa02ec44f5080f14
Dec 06 10:46:15.688 INFO running `"docker" "start" "-a" "017925746e586eb18e1fda7c4bdcc5c6319ec7d5b4a8e1ccaa02ec44f5080f14"`
Dec 06 10:46:17.100 INFO [stderr] usermod: no changes
Dec 06 10:46:17.168 INFO [stderr]    Compiling word_chains v0.1.0 (/source)
Dec 06 10:46:18.260 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 10:46:18.260 INFO [stderr]  --> src/main.rs:1:1
Dec 06 10:46:18.260 INFO [stderr]   |
Dec 06 10:46:18.260 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 06 10:46:18.260 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 10:46:18.260 INFO [stderr]   |
Dec 06 10:46:18.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:46:18.260 INFO [stderr] 
Dec 06 10:46:18.392 INFO [stderr] warning: unused variable: `g`
Dec 06 10:46:18.392 INFO [stderr]   --> src/letter_differences.rs:36:13
Dec 06 10:46:18.392 INFO [stderr]    |
Dec 06 10:46:18.392 INFO [stderr] 36 |         let g = make_graph(&rwords_for_table);
Dec 06 10:46:18.392 INFO [stderr]    |             ^ help: consider using `_g` instead
Dec 06 10:46:18.392 INFO [stderr]    |
Dec 06 10:46:18.392 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:46:18.392 INFO [stderr] 
Dec 06 10:46:18.432 INFO [stderr] warning: field is never used: `word`
Dec 06 10:46:18.432 INFO [stderr]  --> src/graph.rs:4:5
Dec 06 10:46:18.432 INFO [stderr]   |
Dec 06 10:46:18.432 INFO [stderr] 4 |     word: &'word String,
Dec 06 10:46:18.432 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 06 10:46:18.432 INFO [stderr]   |
Dec 06 10:46:18.433 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 10:46:18.433 INFO [stderr] 
Dec 06 10:46:18.433 INFO [stderr] warning: method is never used: `word`
Dec 06 10:46:18.433 INFO [stderr]   --> src/graph.rs:18:5
Dec 06 10:46:18.433 INFO [stderr]    |
Dec 06 10:46:18.433 INFO [stderr] 18 |     fn word(&self) -> &String {
Dec 06 10:46:18.433 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 10:46:18.433 INFO [stderr] 
Dec 06 10:46:18.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 06 10:46:18.812 INFO [stderr] su: No module specific data is present
Dec 06 10:46:19.314 INFO running `"docker" "inspect" "017925746e586eb18e1fda7c4bdcc5c6319ec7d5b4a8e1ccaa02ec44f5080f14"`
Dec 06 10:46:19.464 INFO running `"docker" "rm" "-f" "017925746e586eb18e1fda7c4bdcc5c6319ec7d5b4a8e1ccaa02ec44f5080f14"`
Dec 06 10:46:19.644 INFO [stdout] 017925746e586eb18e1fda7c4bdcc5c6319ec7d5b4a8e1ccaa02ec44f5080f14
Dec 06 10:46:19.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 10:46:19.899 INFO [stdout] da23f33f85af2c4c18bcbd91a52466207a12dd3c8d6e281bec6fd91e6adcd32d
Dec 06 10:46:19.901 INFO running `"docker" "start" "-a" "da23f33f85af2c4c18bcbd91a52466207a12dd3c8d6e281bec6fd91e6adcd32d"`
Dec 06 10:46:20.437 INFO [stderr] usermod: no changes
Dec 06 10:46:20.492 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 06 10:46:20.504 INFO [stderr]      Running /target/debug/deps/word_chains-00e539f35c9edf91
Dec 06 10:46:20.505 INFO [stdout] 
Dec 06 10:46:20.505 INFO [stdout] running 0 tests
Dec 06 10:46:20.505 INFO [stdout] 
Dec 06 10:46:20.505 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 10:46:20.505 INFO [stdout] 
Dec 06 10:46:20.508 INFO [stderr] su: No module specific data is present
Dec 06 10:46:20.850 INFO running `"docker" "inspect" "da23f33f85af2c4c18bcbd91a52466207a12dd3c8d6e281bec6fd91e6adcd32d"`
Dec 06 10:46:20.972 INFO running `"docker" "rm" "-f" "da23f33f85af2c4c18bcbd91a52466207a12dd3c8d6e281bec6fd91e6adcd32d"`
Dec 06 10:46:21.168 INFO [stdout] da23f33f85af2c4c18bcbd91a52466207a12dd3c8d6e281bec6fd91e6adcd32d