Dec 11 08:15:25.565 INFO checking tamamu/roman-numeral-parser against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 08:15:25.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 08:15:26.108 INFO [stdout] a06e8071fc788d82d9aeddc1efbea5700f29ef20fbb661c1b216e70d10402bbd
Dec 11 08:15:26.116 INFO running `"docker" "start" "-a" "a06e8071fc788d82d9aeddc1efbea5700f29ef20fbb661c1b216e70d10402bbd"`
Dec 11 08:15:27.687 INFO [stderr] usermod: no changes
Dec 11 08:15:27.736 INFO [stderr]     Checking rome_parser v0.1.0 (/source)
Dec 11 08:15:28.140 INFO [stderr] warning: unreachable pattern
Dec 11 08:15:28.140 INFO [stderr]    --> src/main.rs:134:21
Dec 11 08:15:28.140 INFO [stderr]     |
Dec 11 08:15:28.140 INFO [stderr] 134 |                     _ => Err(ParseError::IllegalAlignment)
Dec 11 08:15:28.140 INFO [stderr]     |                     ^
Dec 11 08:15:28.140 INFO [stderr]     |
Dec 11 08:15:28.140 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 11 08:15:28.140 INFO [stderr] 
Dec 11 08:15:28.140 INFO [stderr] warning: unused variable: `first_max`
Dec 11 08:15:28.140 INFO [stderr]   --> src/main.rs:87:29
Dec 11 08:15:28.140 INFO [stderr]    |
Dec 11 08:15:28.140 INFO [stderr] 87 |                 let (first, first_max) = try!(self.parse_one());
Dec 11 08:15:28.140 INFO [stderr]    |                             ^^^^^^^^^ help: consider using `_first_max` instead
Dec 11 08:15:28.140 INFO [stderr]    |
Dec 11 08:15:28.140 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:15:28.140 INFO [stderr] 
Dec 11 08:15:28.140 INFO [stderr] warning: unused variable: `second_max`
Dec 11 08:15:28.140 INFO [stderr]    --> src/main.rs:115:42
Dec 11 08:15:28.140 INFO [stderr]     |
Dec 11 08:15:28.140 INFO [stderr] 115 |                             let (second, second_max) = try!(self.parse_one());
Dec 11 08:15:28.140 INFO [stderr]     |                                          ^^^^^^^^^^ help: consider using `_second_max` instead
Dec 11 08:15:28.140 INFO [stderr] 
Dec 11 08:15:28.140 INFO [stderr] warning: unused variable: `n`
Dec 11 08:15:28.141 INFO [stderr]    --> src/main.rs:124:33
Dec 11 08:15:28.141 INFO [stderr]     |
Dec 11 08:15:28.141 INFO [stderr] 124 |                     Token::Five(n) => {
Dec 11 08:15:28.141 INFO [stderr]     |                                 ^ help: consider using `_n` instead
Dec 11 08:15:28.141 INFO [stderr] 
Dec 11 08:15:28.172 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 11 08:15:28.172 INFO [stderr]   --> src/main.rs:16:5
Dec 11 08:15:28.172 INFO [stderr]    |
Dec 11 08:15:28.172 INFO [stderr] 16 |     Unknown
Dec 11 08:15:28.172 INFO [stderr]    |     ^^^^^^^
Dec 11 08:15:28.172 INFO [stderr]    |
Dec 11 08:15:28.172 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:15:28.172 INFO [stderr] 
Dec 11 08:15:28.180 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 08:15:28.180 INFO [stderr]    --> src/main.rs:173:5
Dec 11 08:15:28.180 INFO [stderr]     |
Dec 11 08:15:28.180 INFO [stderr] 173 |     parser.lex();
Dec 11 08:15:28.180 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 08:15:28.180 INFO [stderr]     |
Dec 11 08:15:28.180 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 08:15:28.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 08:15:28.180 INFO [stderr] 
Dec 11 08:15:28.328 INFO [stderr] warning: unreachable pattern
Dec 11 08:15:28.328 INFO [stderr]    --> src/main.rs:134:21
Dec 11 08:15:28.328 INFO [stderr]     |
Dec 11 08:15:28.328 INFO [stderr] 134 |                     _ => Err(ParseError::IllegalAlignment)
Dec 11 08:15:28.328 INFO [stderr]     |                     ^
Dec 11 08:15:28.328 INFO [stderr]     |
Dec 11 08:15:28.328 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 11 08:15:28.328 INFO [stderr] 
Dec 11 08:15:28.328 INFO [stderr] warning: unused variable: `first_max`
Dec 11 08:15:28.328 INFO [stderr]   --> src/main.rs:87:29
Dec 11 08:15:28.328 INFO [stderr]    |
Dec 11 08:15:28.328 INFO [stderr] 87 |                 let (first, first_max) = try!(self.parse_one());
Dec 11 08:15:28.328 INFO [stderr]    |                             ^^^^^^^^^ help: consider using `_first_max` instead
Dec 11 08:15:28.328 INFO [stderr]    |
Dec 11 08:15:28.328 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:15:28.328 INFO [stderr] 
Dec 11 08:15:28.328 INFO [stderr] warning: unused variable: `second_max`
Dec 11 08:15:28.328 INFO [stderr]    --> src/main.rs:115:42
Dec 11 08:15:28.328 INFO [stderr]     |
Dec 11 08:15:28.328 INFO [stderr] 115 |                             let (second, second_max) = try!(self.parse_one());
Dec 11 08:15:28.328 INFO [stderr]     |                                          ^^^^^^^^^^ help: consider using `_second_max` instead
Dec 11 08:15:28.328 INFO [stderr] 
Dec 11 08:15:28.328 INFO [stderr] warning: unused variable: `n`
Dec 11 08:15:28.329 INFO [stderr]    --> src/main.rs:124:33
Dec 11 08:15:28.329 INFO [stderr]     |
Dec 11 08:15:28.329 INFO [stderr] 124 |                     Token::Five(n) => {
Dec 11 08:15:28.329 INFO [stderr]     |                                 ^ help: consider using `_n` instead
Dec 11 08:15:28.329 INFO [stderr] 
Dec 11 08:15:28.376 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 11 08:15:28.376 INFO [stderr]   --> src/main.rs:16:5
Dec 11 08:15:28.376 INFO [stderr]    |
Dec 11 08:15:28.376 INFO [stderr] 16 |     Unknown
Dec 11 08:15:28.376 INFO [stderr]    |     ^^^^^^^
Dec 11 08:15:28.376 INFO [stderr]    |
Dec 11 08:15:28.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:15:28.376 INFO [stderr] 
Dec 11 08:15:28.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 08:15:28.384 INFO [stderr]    --> src/main.rs:173:5
Dec 11 08:15:28.384 INFO [stderr]     |
Dec 11 08:15:28.384 INFO [stderr] 173 |     parser.lex();
Dec 11 08:15:28.384 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 11 08:15:28.384 INFO [stderr]     |
Dec 11 08:15:28.384 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 08:15:28.384 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 08:15:28.384 INFO [stderr] 
Dec 11 08:15:28.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 11 08:15:28.420 INFO [stderr] su: No module specific data is present
Dec 11 08:15:29.439 INFO running `"docker" "inspect" "a06e8071fc788d82d9aeddc1efbea5700f29ef20fbb661c1b216e70d10402bbd"`
Dec 11 08:15:29.796 INFO running `"docker" "rm" "-f" "a06e8071fc788d82d9aeddc1efbea5700f29ef20fbb661c1b216e70d10402bbd"`
Dec 11 08:15:30.108 INFO [stdout] a06e8071fc788d82d9aeddc1efbea5700f29ef20fbb661c1b216e70d10402bbd