Nov 27 18:58:27.498 INFO checking terakun/syntactic_monoid against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:58:27.500 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 18:58:28.068 INFO [stdout] 97f8b5f799eed0b521d39e8a3cc40c9f528f58160136fdf400d5f8fd584868a6
Nov 27 18:58:28.074 INFO running `"docker" "start" "-a" "97f8b5f799eed0b521d39e8a3cc40c9f528f58160136fdf400d5f8fd584868a6"`
Nov 27 18:58:29.309 INFO [stderr] usermod: no changes
Nov 27 18:58:29.409 INFO [stderr]     Checking syntactic_monoid v0.1.0 (/source)
Nov 27 18:58:29.668 INFO [stderr] warning: unused import: `regex::RegularExpression`
Nov 27 18:58:29.668 INFO [stderr]  --> src/syntactic_monoid.rs:2:5
Nov 27 18:58:29.668 INFO [stderr]   |
Nov 27 18:58:29.668 INFO [stderr] 2 | use regex::RegularExpression;
Nov 27 18:58:29.668 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:29.668 INFO [stderr]   |
Nov 27 18:58:29.668 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 18:58:29.668 INFO [stderr] 
Nov 27 18:58:29.860 INFO [stderr] warning: unused import: `regex::RegularExpression`
Nov 27 18:58:29.860 INFO [stderr]  --> src/syntactic_monoid.rs:2:5
Nov 27 18:58:29.860 INFO [stderr]   |
Nov 27 18:58:29.860 INFO [stderr] 2 | use regex::RegularExpression;
Nov 27 18:58:29.860 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:29.860 INFO [stderr]   |
Nov 27 18:58:29.860 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 18:58:29.860 INFO [stderr] 
Nov 27 18:58:30.580 INFO [stderr] warning: variant is never constructed: `Empty`
Nov 27 18:58:30.584 INFO [stderr]  --> src/regex.rs:3:5
Nov 27 18:58:30.585 INFO [stderr]   |
Nov 27 18:58:30.585 INFO [stderr] 3 |     Empty,
Nov 27 18:58:30.585 INFO [stderr]   |     ^^^^^
Nov 27 18:58:30.586 INFO [stderr]   |
Nov 27 18:58:30.586 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 18:58:30.586 INFO [stderr] 
Nov 27 18:58:30.587 INFO [stderr] warning: variant is never constructed: `Epsilon`
Nov 27 18:58:30.587 INFO [stderr]  --> src/regex.rs:4:5
Nov 27 18:58:30.587 INFO [stderr]   |
Nov 27 18:58:30.588 INFO [stderr] 4 |     Epsilon,
Nov 27 18:58:30.588 INFO [stderr]   |     ^^^^^^^
Nov 27 18:58:30.588 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `print_trans`
Nov 27 18:58:30.589 INFO [stderr]   --> src/nfa.rs:32:5
Nov 27 18:58:30.589 INFO [stderr]    |
Nov 27 18:58:30.589 INFO [stderr] 32 |     pub fn print_trans(&self) {
Nov 27 18:58:30.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `to_graphviz`
Nov 27 18:58:30.589 INFO [stderr]    --> src/nfa.rs:253:5
Nov 27 18:58:30.589 INFO [stderr]     |
Nov 27 18:58:30.589 INFO [stderr] 253 |     pub fn to_graphviz(&self) {
Nov 27 18:58:30.589 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `set_trans`
Nov 27 18:58:30.589 INFO [stderr]   --> src/dfa.rs:23:5
Nov 27 18:58:30.589 INFO [stderr]    |
Nov 27 18:58:30.589 INFO [stderr] 23 |     pub fn set_trans(&mut self, transition: &Vec<i32>) {
Nov 27 18:58:30.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `add_trans`
Nov 27 18:58:30.589 INFO [stderr]   --> src/dfa.rs:29:5
Nov 27 18:58:30.589 INFO [stderr]    |
Nov 27 18:58:30.589 INFO [stderr] 29 |     pub fn add_trans(&mut self, id: i32, ch: usize) {
Nov 27 18:58:30.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `print_trans`
Nov 27 18:58:30.589 INFO [stderr]   --> src/dfa.rs:32:5
Nov 27 18:58:30.589 INFO [stderr]    |
Nov 27 18:58:30.589 INFO [stderr] 32 |     pub fn print_trans(&self) {
Nov 27 18:58:30.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `print_subset`
Nov 27 18:58:30.589 INFO [stderr]   --> src/dfa.rs:71:5
Nov 27 18:58:30.589 INFO [stderr]    |
Nov 27 18:58:30.589 INFO [stderr] 71 |     pub fn print_subset(subset: &SubSet) {
Nov 27 18:58:30.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: method is never used: `accept`
Nov 27 18:58:30.589 INFO [stderr]    --> src/dfa.rs:227:5
Nov 27 18:58:30.589 INFO [stderr]     |
Nov 27 18:58:30.589 INFO [stderr] 227 |     pub fn accept(&self, input: &Vec<u8>) -> bool {
Nov 27 18:58:30.589 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.589 INFO [stderr] warning: field is never used: `alphabets`
Nov 27 18:58:30.589 INFO [stderr]   --> src/syntactic_monoid.rs:75:5
Nov 27 18:58:30.589 INFO [stderr]    |
Nov 27 18:58:30.589 INFO [stderr] 75 |     alphabets: BitSet,
Nov 27 18:58:30.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.589 INFO [stderr] 
Nov 27 18:58:30.720 INFO [stderr] warning: variant is never constructed: `Empty`
Nov 27 18:58:30.720 INFO [stderr]  --> src/regex.rs:3:5
Nov 27 18:58:30.720 INFO [stderr]   |
Nov 27 18:58:30.720 INFO [stderr] 3 |     Empty,
Nov 27 18:58:30.720 INFO [stderr]   |     ^^^^^
Nov 27 18:58:30.720 INFO [stderr]   |
Nov 27 18:58:30.721 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: variant is never constructed: `Epsilon`
Nov 27 18:58:30.721 INFO [stderr]  --> src/regex.rs:4:5
Nov 27 18:58:30.721 INFO [stderr]   |
Nov 27 18:58:30.721 INFO [stderr] 4 |     Epsilon,
Nov 27 18:58:30.721 INFO [stderr]   |     ^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `print_trans`
Nov 27 18:58:30.721 INFO [stderr]   --> src/nfa.rs:32:5
Nov 27 18:58:30.721 INFO [stderr]    |
Nov 27 18:58:30.721 INFO [stderr] 32 |     pub fn print_trans(&self) {
Nov 27 18:58:30.721 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `to_graphviz`
Nov 27 18:58:30.721 INFO [stderr]    --> src/nfa.rs:253:5
Nov 27 18:58:30.721 INFO [stderr]     |
Nov 27 18:58:30.721 INFO [stderr] 253 |     pub fn to_graphviz(&self) {
Nov 27 18:58:30.721 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `set_trans`
Nov 27 18:58:30.721 INFO [stderr]   --> src/dfa.rs:23:5
Nov 27 18:58:30.721 INFO [stderr]    |
Nov 27 18:58:30.721 INFO [stderr] 23 |     pub fn set_trans(&mut self, transition: &Vec<i32>) {
Nov 27 18:58:30.721 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `add_trans`
Nov 27 18:58:30.721 INFO [stderr]   --> src/dfa.rs:29:5
Nov 27 18:58:30.721 INFO [stderr]    |
Nov 27 18:58:30.721 INFO [stderr] 29 |     pub fn add_trans(&mut self, id: i32, ch: usize) {
Nov 27 18:58:30.721 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `print_trans`
Nov 27 18:58:30.721 INFO [stderr]   --> src/dfa.rs:32:5
Nov 27 18:58:30.721 INFO [stderr]    |
Nov 27 18:58:30.721 INFO [stderr] 32 |     pub fn print_trans(&self) {
Nov 27 18:58:30.721 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `print_subset`
Nov 27 18:58:30.721 INFO [stderr]   --> src/dfa.rs:71:5
Nov 27 18:58:30.721 INFO [stderr]    |
Nov 27 18:58:30.721 INFO [stderr] 71 |     pub fn print_subset(subset: &SubSet) {
Nov 27 18:58:30.721 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: method is never used: `accept`
Nov 27 18:58:30.721 INFO [stderr]    --> src/dfa.rs:227:5
Nov 27 18:58:30.721 INFO [stderr]     |
Nov 27 18:58:30.721 INFO [stderr] 227 |     pub fn accept(&self, input: &Vec<u8>) -> bool {
Nov 27 18:58:30.721 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.721 INFO [stderr] warning: field is never used: `alphabets`
Nov 27 18:58:30.721 INFO [stderr]   --> src/syntactic_monoid.rs:75:5
Nov 27 18:58:30.721 INFO [stderr]    |
Nov 27 18:58:30.721 INFO [stderr] 75 |     alphabets: BitSet,
Nov 27 18:58:30.721 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 27 18:58:30.721 INFO [stderr] 
Nov 27 18:58:30.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Nov 27 18:58:30.781 INFO [stderr] su: No module specific data is present
Nov 27 18:58:31.808 INFO running `"docker" "inspect" "97f8b5f799eed0b521d39e8a3cc40c9f528f58160136fdf400d5f8fd584868a6"`
Nov 27 18:58:32.141 INFO running `"docker" "rm" "-f" "97f8b5f799eed0b521d39e8a3cc40c9f528f58160136fdf400d5f8fd584868a6"`
Nov 27 18:58:32.424 INFO [stdout] 97f8b5f799eed0b521d39e8a3cc40c9f528f58160136fdf400d5f8fd584868a6