Oct 12 12:27:59.588 INFO checking terakun/syntactic_monoid against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:27:59.588 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 12:27:59.776 INFO blam! cf916359be1856057fbf2cfb1d3974861ee6cbd5abfdd1644c97f293f594bab2
Oct 12 12:27:59.781 INFO running `"docker" "start" "-a" "cf916359be1856057fbf2cfb1d3974861ee6cbd5abfdd1644c97f293f594bab2"`
Oct 12 12:28:00.211 INFO kablam! usermod: no changes
Oct 12 12:28:00.234 INFO kablam!     Checking bit-vec v0.4.4
Oct 12 12:28:00.705 INFO kablam!     Checking bit-set v0.4.0
Oct 12 12:28:01.228 INFO kablam!     Checking syntactic_monoid v0.1.0 (/source)
Oct 12 12:28:01.634 INFO kablam! warning: unused import: `regex::RegularExpression`
Oct 12 12:28:01.634 INFO kablam!  --> src/syntactic_monoid.rs:2:5
Oct 12 12:28:01.634 INFO kablam!   |
Oct 12 12:28:01.634 INFO kablam! 2 | use regex::RegularExpression;
Oct 12 12:28:01.635 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:01.635 INFO kablam!   |
Oct 12 12:28:01.635 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 12:28:01.635 INFO kablam! 
Oct 12 12:28:01.696 INFO kablam! warning: unused import: `regex::RegularExpression`
Oct 12 12:28:01.696 INFO kablam!  --> src/syntactic_monoid.rs:2:5
Oct 12 12:28:01.696 INFO kablam!   |
Oct 12 12:28:01.696 INFO kablam! 2 | use regex::RegularExpression;
Oct 12 12:28:01.700 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:01.700 INFO kablam!   |
Oct 12 12:28:01.700 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 12:28:01.700 INFO kablam! 
Oct 12 12:28:02.376 INFO kablam! warning: variant is never constructed: `Empty`
Oct 12 12:28:02.377 INFO kablam!  --> src/regex.rs:3:5
Oct 12 12:28:02.378 INFO kablam!   |
Oct 12 12:28:02.378 INFO kablam! 3 |     Empty,
Oct 12 12:28:02.379 INFO kablam!   |     ^^^^^
Oct 12 12:28:02.380 INFO kablam!   |
Oct 12 12:28:02.380 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 12:28:02.381 INFO kablam! 
Oct 12 12:28:02.382 INFO kablam! warning: variant is never constructed: `Epsilon`
Oct 12 12:28:02.382 INFO kablam!  --> src/regex.rs:4:5
Oct 12 12:28:02.383 INFO kablam!   |
Oct 12 12:28:02.383 INFO kablam! 4 |     Epsilon,
Oct 12 12:28:02.384 INFO kablam!   |     ^^^^^^^
Oct 12 12:28:02.385 INFO kablam! 
Oct 12 12:28:02.386 INFO kablam! warning: method is never used: `print_trans`
Oct 12 12:28:02.386 INFO kablam!   --> src/nfa.rs:32:5
Oct 12 12:28:02.387 INFO kablam!    |
Oct 12 12:28:02.387 INFO kablam! 32 |     pub fn print_trans(&self) {
Oct 12 12:28:02.388 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.389 INFO kablam! 
Oct 12 12:28:02.390 INFO kablam! warning: method is never used: `to_graphviz`
Oct 12 12:28:02.390 INFO kablam!    --> src/nfa.rs:253:5
Oct 12 12:28:02.391 INFO kablam!     |
Oct 12 12:28:02.392 INFO kablam! 253 |     pub fn to_graphviz(&self) {
Oct 12 12:28:02.392 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.393 INFO kablam! 
Oct 12 12:28:02.394 INFO kablam! warning: method is never used: `set_trans`
Oct 12 12:28:02.394 INFO kablam!   --> src/dfa.rs:23:5
Oct 12 12:28:02.395 INFO kablam!    |
Oct 12 12:28:02.395 INFO kablam! 23 |     pub fn set_trans(&mut self, transition: &Vec<i32>) {
Oct 12 12:28:02.396 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.397 INFO kablam! 
Oct 12 12:28:02.397 INFO kablam! warning: method is never used: `add_trans`
Oct 12 12:28:02.398 INFO kablam!   --> src/dfa.rs:29:5
Oct 12 12:28:02.399 INFO kablam!    |
Oct 12 12:28:02.399 INFO kablam! 29 |     pub fn add_trans(&mut self, id: i32, ch: usize) {
Oct 12 12:28:02.400 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.400 INFO kablam! 
Oct 12 12:28:02.401 INFO kablam! warning: method is never used: `print_trans`
Oct 12 12:28:02.402 INFO kablam!   --> src/dfa.rs:32:5
Oct 12 12:28:02.402 INFO kablam!    |
Oct 12 12:28:02.403 INFO kablam! 32 |     pub fn print_trans(&self) {
Oct 12 12:28:02.403 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.404 INFO kablam! 
Oct 12 12:28:02.405 INFO kablam! warning: method is never used: `print_subset`
Oct 12 12:28:02.405 INFO kablam!   --> src/dfa.rs:71:5
Oct 12 12:28:02.406 INFO kablam!    |
Oct 12 12:28:02.406 INFO kablam! 71 |     pub fn print_subset(subset: &SubSet) {
Oct 12 12:28:02.407 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.408 INFO kablam! warning: variant is never constructed: `Empty`
Oct 12 12:28:02.408 INFO kablam!  --> src/regex.rs:3:5
Oct 12 12:28:02.409 INFO kablam!   |
Oct 12 12:28:02.410 INFO kablam! 3 |     Empty,
Oct 12 12:28:02.410 INFO kablam!   |     ^^^^^
Oct 12 12:28:02.411 INFO kablam!   |
Oct 12 12:28:02.412 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 12:28:02.412 INFO kablam! 
Oct 12 12:28:02.413 INFO kablam! warning: variant is never constructed: `Epsilon`
Oct 12 12:28:02.413 INFO kablam!  --> src/regex.rs:4:5
Oct 12 12:28:02.414 INFO kablam!   |
Oct 12 12:28:02.415 INFO kablam! 4 |     Epsilon,
Oct 12 12:28:02.415 INFO kablam!   |     ^^^^^^^
Oct 12 12:28:02.416 INFO kablam! 
Oct 12 12:28:02.416 INFO kablam! warning: method is never used: `print_trans`
Oct 12 12:28:02.416 INFO kablam!   --> src/nfa.rs:32:5
Oct 12 12:28:02.416 INFO kablam!    |
Oct 12 12:28:02.416 INFO kablam! 32 |     pub fn print_trans(&self) {
Oct 12 12:28:02.416 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.416 INFO kablam! 
Oct 12 12:28:02.416 INFO kablam! warning: method is never used: `to_graphviz`
Oct 12 12:28:02.416 INFO kablam!    --> src/nfa.rs:253:5
Oct 12 12:28:02.416 INFO kablam!     |
Oct 12 12:28:02.419 INFO kablam! 253 |     pub fn to_graphviz(&self) {
Oct 12 12:28:02.419 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: method is never used: `set_trans`
Oct 12 12:28:02.419 INFO kablam!   --> src/dfa.rs:23:5
Oct 12 12:28:02.419 INFO kablam!    |
Oct 12 12:28:02.419 INFO kablam! 23 |     pub fn set_trans(&mut self, transition: &Vec<i32>) {
Oct 12 12:28:02.419 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: method is never used: `add_trans`
Oct 12 12:28:02.419 INFO kablam!   --> src/dfa.rs:29:5
Oct 12 12:28:02.419 INFO kablam!    |
Oct 12 12:28:02.419 INFO kablam! 29 |     pub fn add_trans(&mut self, id: i32, ch: usize) {
Oct 12 12:28:02.419 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: method is never used: `print_trans`
Oct 12 12:28:02.419 INFO kablam!   --> src/dfa.rs:32:5
Oct 12 12:28:02.419 INFO kablam!    |
Oct 12 12:28:02.419 INFO kablam! 32 |     pub fn print_trans(&self) {
Oct 12 12:28:02.419 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: method is never used: `print_subset`
Oct 12 12:28:02.419 INFO kablam!   --> src/dfa.rs:71:5
Oct 12 12:28:02.419 INFO kablam!    |
Oct 12 12:28:02.419 INFO kablam! 71 |     pub fn print_subset(subset: &SubSet) {
Oct 12 12:28:02.419 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: method is never used: `accept`
Oct 12 12:28:02.419 INFO kablam!    --> src/dfa.rs:227:5
Oct 12 12:28:02.419 INFO kablam!     |
Oct 12 12:28:02.419 INFO kablam! 227 |     pub fn accept(&self, input: &Vec<u8>) -> bool {
Oct 12 12:28:02.419 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: field is never used: `alphabets`
Oct 12 12:28:02.419 INFO kablam!   --> src/syntactic_monoid.rs:75:5
Oct 12 12:28:02.419 INFO kablam!    |
Oct 12 12:28:02.419 INFO kablam! 75 |     alphabets: BitSet,
Oct 12 12:28:02.419 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: method is never used: `accept`
Oct 12 12:28:02.419 INFO kablam!    --> src/dfa.rs:227:5
Oct 12 12:28:02.419 INFO kablam!     |
Oct 12 12:28:02.419 INFO kablam! 227 |     pub fn accept(&self, input: &Vec<u8>) -> bool {
Oct 12 12:28:02.419 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.419 INFO kablam! warning: field is never used: `alphabets`
Oct 12 12:28:02.419 INFO kablam!   --> src/syntactic_monoid.rs:75:5
Oct 12 12:28:02.419 INFO kablam!    |
Oct 12 12:28:02.419 INFO kablam! 75 |     alphabets: BitSet,
Oct 12 12:28:02.419 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 12 12:28:02.419 INFO kablam! 
Oct 12 12:28:02.506 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
Oct 12 12:28:02.509 INFO kablam! su: No module specific data is present
Oct 12 12:28:03.609 INFO running `"docker" "rm" "-f" "cf916359be1856057fbf2cfb1d3974861ee6cbd5abfdd1644c97f293f594bab2"`
Oct 12 12:28:03.876 INFO blam! cf916359be1856057fbf2cfb1d3974861ee6cbd5abfdd1644c97f293f594bab2