Dec 05 01:44:40.929 INFO testing whothey/firstfollow against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 01:44:40.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05 01:44:41.479 INFO [stdout] b8b0c41e467cb1a2fece30a0a31b23315fc624122a6edaadaa79f98ef986bb88
Dec 05 01:44:41.481 INFO running `"docker" "start" "-a" "b8b0c41e467cb1a2fece30a0a31b23315fc624122a6edaadaa79f98ef986bb88"`
Dec 05 01:44:43.316 INFO [stderr] usermod: no changes
Dec 05 01:44:43.408 INFO [stderr]    Compiling libc v0.2.26
Dec 05 01:44:44.444 INFO [stderr]    Compiling memchr v1.0.1
Dec 05 01:44:45.144 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 05 01:44:46.088 INFO [stderr]    Compiling regex v0.2.2
Dec 05 01:44:55.669 INFO [stderr]    Compiling env_logger v0.4.3
Dec 05 01:44:56.840 INFO [stderr]    Compiling firstfollow v0.1.0 (/source)
Dec 05 01:44:57.296 INFO [stderr] warning: method is never used: `is_terminal`
Dec 05 01:44:57.296 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 05 01:44:57.296 INFO [stderr]    |
Dec 05 01:44:57.296 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 05 01:44:57.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:44:57.296 INFO [stderr]    |
Dec 05 01:44:57.296 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:44:57.296 INFO [stderr] 
Dec 05 01:44:57.296 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 05 01:44:57.296 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 05 01:44:57.296 INFO [stderr]    |
Dec 05 01:44:57.296 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 05 01:44:57.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:44:57.296 INFO [stderr] 
Dec 05 01:45:00.473 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.13s
Dec 05 01:45:00.481 INFO [stderr] su: No module specific data is present
Dec 05 01:45:01.595 INFO running `"docker" "inspect" "b8b0c41e467cb1a2fece30a0a31b23315fc624122a6edaadaa79f98ef986bb88"`
Dec 05 01:45:01.904 INFO running `"docker" "rm" "-f" "b8b0c41e467cb1a2fece30a0a31b23315fc624122a6edaadaa79f98ef986bb88"`
Dec 05 01:45:02.256 INFO [stdout] b8b0c41e467cb1a2fece30a0a31b23315fc624122a6edaadaa79f98ef986bb88
Dec 05 01:45:02.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05 01:45:02.886 INFO [stdout] 93d7c74a2818ac47da9634f4a137af7d3d3dfd192d91f665fb7fc0183d51fa0f
Dec 05 01:45:02.888 INFO running `"docker" "start" "-a" "93d7c74a2818ac47da9634f4a137af7d3d3dfd192d91f665fb7fc0183d51fa0f"`
Dec 05 01:45:04.976 INFO [stderr] usermod: no changes
Dec 05 01:45:05.124 INFO [stderr]    Compiling firstfollow v0.1.0 (/source)
Dec 05 01:45:05.552 INFO [stderr] warning: method is never used: `is_terminal`
Dec 05 01:45:05.552 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 05 01:45:05.553 INFO [stderr]    |
Dec 05 01:45:05.553 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 05 01:45:05.553 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:45:05.553 INFO [stderr]    |
Dec 05 01:45:05.553 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:45:05.554 INFO [stderr] 
Dec 05 01:45:05.556 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 05 01:45:05.556 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 05 01:45:05.556 INFO [stderr]    |
Dec 05 01:45:05.556 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 05 01:45:05.556 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:45:05.556 INFO [stderr] 
Dec 05 01:45:05.961 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 05 01:45:05.968 INFO [stderr] su: No module specific data is present
Dec 05 01:45:07.348 INFO running `"docker" "inspect" "93d7c74a2818ac47da9634f4a137af7d3d3dfd192d91f665fb7fc0183d51fa0f"`
Dec 05 01:45:07.648 INFO running `"docker" "rm" "-f" "93d7c74a2818ac47da9634f4a137af7d3d3dfd192d91f665fb7fc0183d51fa0f"`
Dec 05 01:45:08.052 INFO [stdout] 93d7c74a2818ac47da9634f4a137af7d3d3dfd192d91f665fb7fc0183d51fa0f
Dec 05 01:45:08.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05 01:45:08.575 INFO [stdout] baa0311996c8530c061a263bfb78ddea8708c68b751fbdd0909dc62f45950600
Dec 05 01:45:08.577 INFO running `"docker" "start" "-a" "baa0311996c8530c061a263bfb78ddea8708c68b751fbdd0909dc62f45950600"`
Dec 05 01:45:10.813 INFO [stderr] usermod: no changes
Dec 05 01:45:10.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 05 01:45:10.890 INFO [stderr]      Running /target/debug/deps/firstfollow-ea1b8cb691da0a20
Dec 05 01:45:10.896 INFO [stderr] su: No module specific data is present
Dec 05 01:45:10.896 INFO [stdout] 
Dec 05 01:45:10.896 INFO [stdout] running 0 tests
Dec 05 01:45:10.896 INFO [stdout] 
Dec 05 01:45:10.896 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 01:45:10.896 INFO [stdout] 
Dec 05 01:45:12.260 INFO running `"docker" "inspect" "baa0311996c8530c061a263bfb78ddea8708c68b751fbdd0909dc62f45950600"`
Dec 05 01:45:12.640 INFO running `"docker" "rm" "-f" "baa0311996c8530c061a263bfb78ddea8708c68b751fbdd0909dc62f45950600"`
Dec 05 01:45:12.984 INFO [stdout] baa0311996c8530c061a263bfb78ddea8708c68b751fbdd0909dc62f45950600