Dec 18 04:00:52.851 INFO checking andrewhickman/submarine against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:00:52.851 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/andrewhickman/submarine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:00:53.226 INFO [stdout] ae1a162b300bafb22b36ac1886c2ddf80edf7087b928dc8fd61c3bf3773d4a87
Dec 18 04:00:53.248 INFO running `"docker" "start" "-a" "ae1a162b300bafb22b36ac1886c2ddf80edf7087b928dc8fd61c3bf3773d4a87"`
Dec 18 04:00:54.744 INFO [stderr]     Checking submarine v0.0.0 (/opt/crater/workdir)
Dec 18 04:00:54.752 INFO [stderr]     Checking log v0.4.3
Dec 18 04:00:54.760 INFO [stderr]     Checking fxhash v0.2.1
Dec 18 04:00:54.780 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 18 04:00:55.472 INFO [stderr]     Checking env_logger v0.5.12
Dec 18 04:00:55.684 INFO [stderr]     Checking parking_lot v0.6.3
Dec 18 04:00:56.896 INFO [stderr]     Checking quickcheck v0.6.2
Dec 18 04:00:56.956 INFO [stderr]     Checking submarine-syntax v0.1.0 (/opt/crater/workdir/submarine-syntax)
Dec 18 04:00:57.328 INFO [stderr] warning: unused import: `parse::tok`
Dec 18 04:00:57.328 INFO [stderr]  --> submarine-syntax/src/ast.rs:1:5
Dec 18 04:00:57.328 INFO [stderr]   |
Dec 18 04:00:57.328 INFO [stderr] 1 | use parse::tok;
Dec 18 04:00:57.328 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 04:00:57.328 INFO [stderr]   |
Dec 18 04:00:57.328 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:00:57.328 INFO [stderr] 
Dec 18 04:00:57.528 INFO [stderr] warning: method is never used: `span`
Dec 18 04:00:57.528 INFO [stderr]   --> submarine-syntax/src/parse/tok.rs:41:5
Dec 18 04:00:57.528 INFO [stderr]    |
Dec 18 04:00:57.528 INFO [stderr] 41 |     pub(super) fn span(&self) -> Span {
Dec 18 04:00:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:00:57.528 INFO [stderr]    |
Dec 18 04:00:57.528 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:00:57.528 INFO [stderr] 
Dec 18 04:00:57.528 INFO [stderr] warning: field is never used: `peek`
Dec 18 04:00:57.528 INFO [stderr]   --> submarine-syntax/src/parse/mod.rs:12:5
Dec 18 04:00:57.528 INFO [stderr]    |
Dec 18 04:00:57.528 INFO [stderr] 12 |     peek: Token,
Dec 18 04:00:57.528 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 04:00:57.528 INFO [stderr] 
Dec 18 04:00:57.528 INFO [stderr] warning: field is never used: `lex`
Dec 18 04:00:57.528 INFO [stderr]   --> submarine-syntax/src/parse/mod.rs:13:5
Dec 18 04:00:57.528 INFO [stderr]    |
Dec 18 04:00:57.528 INFO [stderr] 13 |     lex: Lexer<'src>,
Dec 18 04:00:57.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 04:00:57.528 INFO [stderr] 
Dec 18 04:00:59.016 INFO [stderr] warning: unused import: `parse::tok`
Dec 18 04:00:59.017 INFO [stderr]  --> submarine-syntax/src/ast.rs:1:5
Dec 18 04:00:59.017 INFO [stderr]   |
Dec 18 04:00:59.017 INFO [stderr] 1 | use parse::tok;
Dec 18 04:00:59.017 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 04:00:59.017 INFO [stderr]   |
Dec 18 04:00:59.017 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:00:59.017 INFO [stderr] 
Dec 18 04:00:59.244 INFO [stderr] warning: field is never used: `peek`
Dec 18 04:00:59.244 INFO [stderr]   --> submarine-syntax/src/parse/mod.rs:12:5
Dec 18 04:00:59.244 INFO [stderr]    |
Dec 18 04:00:59.244 INFO [stderr] 12 |     peek: Token,
Dec 18 04:00:59.244 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 04:00:59.244 INFO [stderr]    |
Dec 18 04:00:59.244 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:00:59.244 INFO [stderr] 
Dec 18 04:00:59.244 INFO [stderr] warning: field is never used: `lex`
Dec 18 04:00:59.244 INFO [stderr]   --> submarine-syntax/src/parse/mod.rs:13:5
Dec 18 04:00:59.244 INFO [stderr]    |
Dec 18 04:00:59.244 INFO [stderr] 13 |     lex: Lexer<'src>,
Dec 18 04:00:59.244 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 04:00:59.244 INFO [stderr] 
Dec 18 04:00:59.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
Dec 18 04:00:59.800 INFO running `"docker" "inspect" "ae1a162b300bafb22b36ac1886c2ddf80edf7087b928dc8fd61c3bf3773d4a87"`
Dec 18 04:01:00.040 INFO running `"docker" "rm" "-f" "ae1a162b300bafb22b36ac1886c2ddf80edf7087b928dc8fd61c3bf3773d4a87"`
Dec 18 04:01:00.280 INFO [stdout] ae1a162b300bafb22b36ac1886c2ddf80edf7087b928dc8fd61c3bf3773d4a87