Dec 12 07:26:06.869 INFO checking slacs-core-0.0.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:26:06.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 12 07:26:07.284 INFO [stdout] 575bbc89e9afaba1b2bf894900283a3af74a6bb3dec0bd3191eebc5206116832
Dec 12 07:26:07.286 INFO running `"docker" "start" "-a" "575bbc89e9afaba1b2bf894900283a3af74a6bb3dec0bd3191eebc5206116832"`
Dec 12 07:26:08.292 INFO [stderr] usermod: no changes
Dec 12 07:26:08.464 INFO [stderr]     Checking gapbuffer v0.1.1
Dec 12 07:26:08.464 INFO [stderr]     Checking xi-unicode v0.0.1
Dec 12 07:26:08.464 INFO [stderr]     Checking xi-rope v0.1.1
Dec 12 07:26:08.464 INFO [stderr]     Checking error-chain v0.2.2
Dec 12 07:26:10.076 INFO [stderr]     Checking slog v0.7.0
Dec 12 07:26:12.096 INFO [stderr]     Checking slog-serde v0.7.0
Dec 12 07:26:12.096 INFO [stderr]     Checking slog-term v0.7.0
Dec 12 07:26:14.276 INFO [stderr]     Checking slog-json v0.7.0
Dec 12 07:26:16.410 INFO [stderr]     Checking slacs-core v0.0.0 (/source)
Dec 12 07:26:17.265 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 12 07:26:17.265 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 12 07:26:17.265 INFO [stderr]    |
Dec 12 07:26:17.265 INFO [stderr] 17 | pub struct MarkPosition {
Dec 12 07:26:17.265 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:26:17.265 INFO [stderr]    |
Dec 12 07:26:17.265 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 07:26:17.265 INFO [stderr] 
Dec 12 07:26:17.265 INFO [stderr] warning: method is never used: `new`
Dec 12 07:26:17.265 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 12 07:26:17.265 INFO [stderr]    |
Dec 12 07:26:17.265 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 12 07:26:17.265 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:26:17.265 INFO [stderr] 
Dec 12 07:26:17.265 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 12 07:26:17.265 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 12 07:26:17.265 INFO [stderr]    |
Dec 12 07:26:17.265 INFO [stderr] 35 |     Cursor(usize),
Dec 12 07:26:17.265 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 07:26:17.265 INFO [stderr] 
Dec 12 07:26:17.265 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 12 07:26:17.265 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 12 07:26:17.265 INFO [stderr]    |
Dec 12 07:26:17.265 INFO [stderr] 36 |     DisplayMark(usize),
Dec 12 07:26:17.265 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 12 07:26:17.265 INFO [stderr] 
Dec 12 07:26:17.280 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 12 07:26:17.280 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 12 07:26:17.280 INFO [stderr]    |
Dec 12 07:26:17.280 INFO [stderr] 17 | pub struct MarkPosition {
Dec 12 07:26:17.280 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:26:17.280 INFO [stderr]    |
Dec 12 07:26:17.280 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 07:26:17.280 INFO [stderr] 
Dec 12 07:26:17.280 INFO [stderr] warning: method is never used: `new`
Dec 12 07:26:17.280 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 12 07:26:17.280 INFO [stderr]    |
Dec 12 07:26:17.280 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 12 07:26:17.280 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:26:17.280 INFO [stderr] 
Dec 12 07:26:17.280 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 12 07:26:17.280 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 12 07:26:17.280 INFO [stderr]    |
Dec 12 07:26:17.280 INFO [stderr] 35 |     Cursor(usize),
Dec 12 07:26:17.280 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 12 07:26:17.280 INFO [stderr] 
Dec 12 07:26:17.280 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 12 07:26:17.280 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 12 07:26:17.280 INFO [stderr]    |
Dec 12 07:26:17.280 INFO [stderr] 36 |     DisplayMark(usize),
Dec 12 07:26:17.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 12 07:26:17.281 INFO [stderr] 
Dec 12 07:26:17.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
Dec 12 07:26:17.320 INFO [stderr] su: No module specific data is present
Dec 12 07:26:18.704 INFO running `"docker" "inspect" "575bbc89e9afaba1b2bf894900283a3af74a6bb3dec0bd3191eebc5206116832"`
Dec 12 07:26:18.958 INFO running `"docker" "rm" "-f" "575bbc89e9afaba1b2bf894900283a3af74a6bb3dec0bd3191eebc5206116832"`
Dec 12 07:26:19.244 INFO [stdout] 575bbc89e9afaba1b2bf894900283a3af74a6bb3dec0bd3191eebc5206116832