Nov 27 17:05:57.343 INFO checking whothey/firstfollow against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 17:05:57.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 27 17:05:57.892 INFO [stdout] 830c010e3be6058756f2d5723902c5b71c8bce66817ccee0ecb4020c75ad549d
Nov 27 17:05:57.897 INFO running `"docker" "start" "-a" "830c010e3be6058756f2d5723902c5b71c8bce66817ccee0ecb4020c75ad549d"`
Nov 27 17:05:59.566 INFO [stderr] usermod: no changes
Nov 27 17:05:59.676 INFO [stderr]     Checking libc v0.2.26
Nov 27 17:05:59.676 INFO [stderr]     Checking thread_local v0.3.4
Nov 27 17:06:01.109 INFO [stderr]     Checking memchr v1.0.1
Nov 27 17:06:01.394 INFO [stderr]     Checking aho-corasick v0.6.3
Nov 27 17:06:02.098 INFO [stderr]     Checking regex v0.2.2
Nov 27 17:06:04.477 INFO [stderr]     Checking env_logger v0.4.3
Nov 27 17:06:04.930 INFO [stderr]     Checking firstfollow v0.1.0 (/source)
Nov 27 17:06:05.465 INFO [stderr] warning: method is never used: `is_terminal`
Nov 27 17:06:05.465 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Nov 27 17:06:05.466 INFO [stderr]    |
Nov 27 17:06:05.466 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Nov 27 17:06:05.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:05.466 INFO [stderr]    |
Nov 27 17:06:05.467 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 17:06:05.467 INFO [stderr] 
Nov 27 17:06:05.467 INFO [stderr] warning: method is never used: `is_nonterminal`
Nov 27 17:06:05.468 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Nov 27 17:06:05.468 INFO [stderr]    |
Nov 27 17:06:05.468 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Nov 27 17:06:05.469 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:05.469 INFO [stderr] 
Nov 27 17:06:05.535 INFO [stderr] warning: method is never used: `is_terminal`
Nov 27 17:06:05.535 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Nov 27 17:06:05.536 INFO [stderr]    |
Nov 27 17:06:05.536 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Nov 27 17:06:05.536 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:05.537 INFO [stderr]    |
Nov 27 17:06:05.537 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 17:06:05.537 INFO [stderr] 
Nov 27 17:06:05.537 INFO [stderr] warning: method is never used: `is_nonterminal`
Nov 27 17:06:05.538 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Nov 27 17:06:05.538 INFO [stderr]    |
Nov 27 17:06:05.538 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Nov 27 17:06:05.538 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:05.539 INFO [stderr] 
Nov 27 17:06:05.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
Nov 27 17:06:05.597 INFO [stderr] su: No module specific data is present
Nov 27 17:06:06.426 INFO running `"docker" "inspect" "830c010e3be6058756f2d5723902c5b71c8bce66817ccee0ecb4020c75ad549d"`
Nov 27 17:06:06.812 INFO running `"docker" "rm" "-f" "830c010e3be6058756f2d5723902c5b71c8bce66817ccee0ecb4020c75ad549d"`
Nov 27 17:06:07.156 INFO [stdout] 830c010e3be6058756f2d5723902c5b71c8bce66817ccee0ecb4020c75ad549d