Nov 27 17:05:56.812 INFO checking whothey/firstfollow against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 17:05:56.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 17:05:57.184 INFO [stdout] 3bb939cf6e1e50a4010295095c6c28653b3f410987cf287e6438f27b4a4ab72b
Nov 27 17:05:57.189 INFO running `"docker" "start" "-a" "3bb939cf6e1e50a4010295095c6c28653b3f410987cf287e6438f27b4a4ab72b"`
Nov 27 17:05:58.475 INFO [stderr] usermod: no changes
Nov 27 17:05:58.604 INFO [stderr]     Checking libc v0.2.26
Nov 27 17:05:59.584 INFO [stderr]     Checking memchr v1.0.1
Nov 27 17:05:59.899 INFO [stderr]     Checking aho-corasick v0.6.3
Nov 27 17:06:00.541 INFO [stderr]     Checking regex v0.2.2
Nov 27 17:06:03.065 INFO [stderr]     Checking env_logger v0.4.3
Nov 27 17:06:03.449 INFO [stderr]     Checking firstfollow v0.1.0 (/source)
Nov 27 17:06:04.153 INFO [stderr] warning: method is never used: `is_terminal`
Nov 27 17:06:04.153 INFO [stderr] warning: method is never used: `is_terminal`
Nov 27 17:06:04.153 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Nov 27 17:06:04.154 INFO [stderr]    |
Nov 27 17:06:04.154 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Nov 27 17:06:04.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:04.155 INFO [stderr]    |
Nov 27 17:06:04.155 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 17:06:04.155 INFO [stderr] 
Nov 27 17:06:04.156 INFO [stderr] warning: method is never used: `is_nonterminal`
Nov 27 17:06:04.156 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Nov 27 17:06:04.156 INFO [stderr]    |
Nov 27 17:06:04.156 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Nov 27 17:06:04.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:04.157 INFO [stderr] 
Nov 27 17:06:04.157 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Nov 27 17:06:04.157 INFO [stderr]    |
Nov 27 17:06:04.158 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Nov 27 17:06:04.158 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:04.158 INFO [stderr]    |
Nov 27 17:06:04.159 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 17:06:04.159 INFO [stderr] 
Nov 27 17:06:04.159 INFO [stderr] warning: method is never used: `is_nonterminal`
Nov 27 17:06:04.159 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Nov 27 17:06:04.160 INFO [stderr]    |
Nov 27 17:06:04.160 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Nov 27 17:06:04.160 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:06:04.161 INFO [stderr] 
Nov 27 17:06:04.233 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
Nov 27 17:06:04.240 INFO [stderr] su: No module specific data is present
Nov 27 17:06:05.145 INFO running `"docker" "inspect" "3bb939cf6e1e50a4010295095c6c28653b3f410987cf287e6438f27b4a4ab72b"`
Nov 27 17:06:05.496 INFO running `"docker" "rm" "-f" "3bb939cf6e1e50a4010295095c6c28653b3f410987cf287e6438f27b4a4ab72b"`
Nov 27 17:06:05.806 INFO [stdout] 3bb939cf6e1e50a4010295095c6c28653b3f410987cf287e6438f27b4a4ab72b