Dec 18 11:09:51.896 INFO checking slacs-core-0.0.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:09:51.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/slacs-core/0.0.0:/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 11:09:52.240 INFO [stdout] efb4374496b90065aea604a0a371eda42e3a4553924a2bae24fe779b851bc335
Dec 18 11:09:52.242 INFO running `"docker" "start" "-a" "efb4374496b90065aea604a0a371eda42e3a4553924a2bae24fe779b851bc335"`
Dec 18 11:09:52.981 INFO [stderr]     Checking gapbuffer v0.1.1
Dec 18 11:09:52.981 INFO [stderr]     Checking xi-unicode v0.0.1
Dec 18 11:09:52.981 INFO [stderr]     Checking xi-rope v0.1.1
Dec 18 11:09:52.981 INFO [stderr]     Checking serde_json v0.7.4
Dec 18 11:09:52.981 INFO [stderr]     Checking error-chain v0.2.2
Dec 18 11:09:53.620 INFO [stderr]     Checking slog v0.7.0
Dec 18 11:09:54.678 INFO [stderr]     Checking slog-serde v0.7.0
Dec 18 11:09:54.678 INFO [stderr]     Checking slog-term v0.7.0
Dec 18 11:09:55.170 INFO [stderr]     Checking slog-json v0.7.0
Dec 18 11:09:55.714 INFO [stderr]     Checking slacs-core v0.0.0 (/opt/crater/workdir)
Dec 18 11:09:56.042 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 18 11:09:56.042 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 18 11:09:56.043 INFO [stderr]    |
Dec 18 11:09:56.043 INFO [stderr] 17 | pub struct MarkPosition {
Dec 18 11:09:56.043 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:09:56.043 INFO [stderr]    |
Dec 18 11:09:56.043 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 11:09:56.043 INFO [stderr] 
Dec 18 11:09:56.044 INFO [stderr] warning: method is never used: `new`
Dec 18 11:09:56.044 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 18 11:09:56.044 INFO [stderr]    |
Dec 18 11:09:56.044 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 18 11:09:56.044 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:09:56.044 INFO [stderr] 
Dec 18 11:09:56.044 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 18 11:09:56.044 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 18 11:09:56.044 INFO [stderr]    |
Dec 18 11:09:56.044 INFO [stderr] 35 |     Cursor(usize),
Dec 18 11:09:56.044 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 11:09:56.044 INFO [stderr] 
Dec 18 11:09:56.048 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 18 11:09:56.048 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 18 11:09:56.048 INFO [stderr]    |
Dec 18 11:09:56.048 INFO [stderr] 36 |     DisplayMark(usize),
Dec 18 11:09:56.048 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 11:09:56.048 INFO [stderr] 
Dec 18 11:09:56.119 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 18 11:09:56.119 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 18 11:09:56.119 INFO [stderr]    |
Dec 18 11:09:56.119 INFO [stderr] 17 | pub struct MarkPosition {
Dec 18 11:09:56.119 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:09:56.119 INFO [stderr]    |
Dec 18 11:09:56.119 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 11:09:56.119 INFO [stderr] 
Dec 18 11:09:56.119 INFO [stderr] warning: method is never used: `new`
Dec 18 11:09:56.119 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 18 11:09:56.119 INFO [stderr]    |
Dec 18 11:09:56.119 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 18 11:09:56.119 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:09:56.119 INFO [stderr] 
Dec 18 11:09:56.120 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 18 11:09:56.120 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 18 11:09:56.120 INFO [stderr]    |
Dec 18 11:09:56.120 INFO [stderr] 35 |     Cursor(usize),
Dec 18 11:09:56.120 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 11:09:56.120 INFO [stderr] 
Dec 18 11:09:56.120 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 18 11:09:56.120 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 18 11:09:56.120 INFO [stderr]    |
Dec 18 11:09:56.120 INFO [stderr] 36 |     DisplayMark(usize),
Dec 18 11:09:56.120 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 11:09:56.120 INFO [stderr] 
Dec 18 11:09:56.168 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
Dec 18 11:09:56.622 INFO running `"docker" "inspect" "efb4374496b90065aea604a0a371eda42e3a4553924a2bae24fe779b851bc335"`
Dec 18 11:09:56.738 INFO running `"docker" "rm" "-f" "efb4374496b90065aea604a0a371eda42e3a4553924a2bae24fe779b851bc335"`
Dec 18 11:09:56.893 INFO [stdout] efb4374496b90065aea604a0a371eda42e3a4553924a2bae24fe779b851bc335