Dec 04 07:04:43.848 INFO checking whothey/firstfollow against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:04:43.848 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 07:04:44.335 INFO [stdout] fb0adb4cca5cb211a2b8b552d1b29d88f9549f3fb536375b57b121c698684e25
Dec 04 07:04:44.343 INFO running `"docker" "start" "-a" "fb0adb4cca5cb211a2b8b552d1b29d88f9549f3fb536375b57b121c698684e25"`
Dec 04 07:04:46.142 INFO [stderr] usermod: no changes
Dec 04 07:04:46.271 INFO [stderr]     Checking libc v0.2.26
Dec 04 07:04:46.276 INFO [stderr]     Checking log v0.3.8
Dec 04 07:04:47.573 INFO [stderr]     Checking memchr v1.0.1
Dec 04 07:04:47.855 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 07:04:48.563 INFO [stderr]     Checking regex v0.2.2
Dec 04 07:04:50.875 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 07:04:51.295 INFO [stderr]     Checking firstfollow v0.1.0 (/source)
Dec 04 07:04:52.143 INFO [stderr] warning: method is never used: `is_terminal`
Dec 04 07:04:52.144 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 04 07:04:52.144 INFO [stderr]    |
Dec 04 07:04:52.144 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 04 07:04:52.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:52.145 INFO [stderr]    |
Dec 04 07:04:52.145 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:04:52.145 INFO [stderr] 
Dec 04 07:04:52.145 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 04 07:04:52.146 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 04 07:04:52.146 INFO [stderr]    |
Dec 04 07:04:52.146 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 04 07:04:52.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:52.147 INFO [stderr] 
Dec 04 07:04:52.237 INFO [stderr] warning: method is never used: `is_terminal`
Dec 04 07:04:52.238 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 04 07:04:52.238 INFO [stderr]    |
Dec 04 07:04:52.238 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 04 07:04:52.238 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:52.239 INFO [stderr]    |
Dec 04 07:04:52.239 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:04:52.239 INFO [stderr] 
Dec 04 07:04:52.239 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 04 07:04:52.240 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 04 07:04:52.240 INFO [stderr]    |
Dec 04 07:04:52.240 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 04 07:04:52.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:52.240 INFO [stderr] 
Dec 04 07:04:52.305 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
Dec 04 07:04:52.307 INFO [stderr] su: No module specific data is present
Dec 04 07:04:53.336 INFO running `"docker" "inspect" "fb0adb4cca5cb211a2b8b552d1b29d88f9549f3fb536375b57b121c698684e25"`
Dec 04 07:04:53.623 INFO running `"docker" "rm" "-f" "fb0adb4cca5cb211a2b8b552d1b29d88f9549f3fb536375b57b121c698684e25"`
Dec 04 07:04:53.938 INFO [stdout] fb0adb4cca5cb211a2b8b552d1b29d88f9549f3fb536375b57b121c698684e25