Dec 12 21:17:14.688 INFO testing whothey/firstfollow against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 21:17:14.688 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12 21:17:15.340 INFO [stdout] 1871bf323df26d09776a2e0aa362adcb4423c4319db6403e7134ecf2455b58a2
Dec 12 21:17:15.342 INFO running `"docker" "start" "-a" "1871bf323df26d09776a2e0aa362adcb4423c4319db6403e7134ecf2455b58a2"`
Dec 12 21:17:17.190 INFO [stderr] usermod: no changes
Dec 12 21:17:17.287 INFO [stderr]    Compiling libc v0.2.26
Dec 12 21:17:17.287 INFO [stderr]    Compiling regex-syntax v0.4.1
Dec 12 21:17:17.305 INFO [stderr]    Compiling thread_local v0.3.4
Dec 12 21:17:19.771 INFO [stderr]    Compiling memchr v1.0.1
Dec 12 21:17:20.668 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 12 21:17:25.223 INFO [stderr]    Compiling regex v0.2.2
Dec 12 21:17:35.972 INFO [stderr]    Compiling env_logger v0.4.3
Dec 12 21:17:37.004 INFO [stderr]    Compiling firstfollow v0.1.0 (/source)
Dec 12 21:17:37.431 INFO [stderr] warning: method is never used: `is_terminal`
Dec 12 21:17:37.431 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 12 21:17:37.431 INFO [stderr]    |
Dec 12 21:17:37.431 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 12 21:17:37.431 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 21:17:37.431 INFO [stderr]    |
Dec 12 21:17:37.431 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 21:17:37.431 INFO [stderr] 
Dec 12 21:17:37.431 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 12 21:17:37.431 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 12 21:17:37.431 INFO [stderr]    |
Dec 12 21:17:37.431 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 12 21:17:37.431 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 21:17:37.431 INFO [stderr] 
Dec 12 21:17:40.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.05s
Dec 12 21:17:40.271 INFO [stderr] su: No module specific data is present
Dec 12 21:17:40.935 INFO running `"docker" "inspect" "1871bf323df26d09776a2e0aa362adcb4423c4319db6403e7134ecf2455b58a2"`
Dec 12 21:17:41.289 INFO running `"docker" "rm" "-f" "1871bf323df26d09776a2e0aa362adcb4423c4319db6403e7134ecf2455b58a2"`
Dec 12 21:17:41.703 INFO [stdout] 1871bf323df26d09776a2e0aa362adcb4423c4319db6403e7134ecf2455b58a2
Dec 12 21:17:41.705 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12 21:17:42.243 INFO [stdout] 5a8407fbed78aaf44a881ea9046d36a412ff93c31397ef52f328a8755b1fd73e
Dec 12 21:17:42.251 INFO running `"docker" "start" "-a" "5a8407fbed78aaf44a881ea9046d36a412ff93c31397ef52f328a8755b1fd73e"`
Dec 12 21:17:43.678 INFO [stderr] usermod: no changes
Dec 12 21:17:43.783 INFO [stderr]    Compiling firstfollow v0.1.0 (/source)
Dec 12 21:17:44.307 INFO [stderr] warning: method is never used: `is_terminal`
Dec 12 21:17:44.307 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 12 21:17:44.307 INFO [stderr]    |
Dec 12 21:17:44.307 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 12 21:17:44.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 21:17:44.307 INFO [stderr]    |
Dec 12 21:17:44.307 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 21:17:44.307 INFO [stderr] 
Dec 12 21:17:44.307 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 12 21:17:44.307 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 12 21:17:44.307 INFO [stderr]    |
Dec 12 21:17:44.307 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 12 21:17:44.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 21:17:44.307 INFO [stderr] 
Dec 12 21:17:44.609 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 12 21:17:44.613 INFO [stderr] su: No module specific data is present
Dec 12 21:17:45.356 INFO running `"docker" "inspect" "5a8407fbed78aaf44a881ea9046d36a412ff93c31397ef52f328a8755b1fd73e"`
Dec 12 21:17:45.667 INFO running `"docker" "rm" "-f" "5a8407fbed78aaf44a881ea9046d36a412ff93c31397ef52f328a8755b1fd73e"`
Dec 12 21:17:45.910 INFO [stdout] 5a8407fbed78aaf44a881ea9046d36a412ff93c31397ef52f328a8755b1fd73e
Dec 12 21:17:45.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12 21:17:46.539 INFO [stdout] ab36b36440f5e25243256fe505e3328adef5ea145ca29d0422f29fff8a079baf
Dec 12 21:17:46.678 INFO running `"docker" "start" "-a" "ab36b36440f5e25243256fe505e3328adef5ea145ca29d0422f29fff8a079baf"`
Dec 12 21:17:48.222 INFO [stderr] usermod: no changes
Dec 12 21:17:48.295 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 12 21:17:48.303 INFO [stderr]      Running /target/debug/deps/firstfollow-66165269ba00b4d0
Dec 12 21:17:48.307 INFO [stderr] su: No module specific data is present
Dec 12 21:17:48.307 INFO [stdout] 
Dec 12 21:17:48.307 INFO [stdout] running 0 tests
Dec 12 21:17:48.307 INFO [stdout] 
Dec 12 21:17:48.307 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 21:17:48.307 INFO [stdout] 
Dec 12 21:17:49.236 INFO running `"docker" "inspect" "ab36b36440f5e25243256fe505e3328adef5ea145ca29d0422f29fff8a079baf"`
Dec 12 21:17:49.493 INFO running `"docker" "rm" "-f" "ab36b36440f5e25243256fe505e3328adef5ea145ca29d0422f29fff8a079baf"`
Dec 12 21:17:49.758 INFO [stdout] ab36b36440f5e25243256fe505e3328adef5ea145ca29d0422f29fff8a079baf