Dec 05 06:36:12.052 INFO checking slacs-core-0.0.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:36:12.052 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 06:36:12.579 INFO [stdout] 1968d89539a0f666fe1b4f5f67af623d43e3dfaa9c46d116355729aae140fa69
Dec 05 06:36:12.584 INFO running `"docker" "start" "-a" "1968d89539a0f666fe1b4f5f67af623d43e3dfaa9c46d116355729aae140fa69"`
Dec 05 06:36:14.298 INFO [stderr] usermod: no changes
Dec 05 06:36:14.547 INFO [stderr]     Checking gapbuffer v0.1.1
Dec 05 06:36:14.552 INFO [stderr]     Checking xi-unicode v0.0.1
Dec 05 06:36:14.559 INFO [stderr]     Checking xi-rope v0.1.1
Dec 05 06:36:14.587 INFO [stderr]     Checking serde_json v0.7.4
Dec 05 06:36:14.588 INFO [stderr]     Checking backtrace v0.2.3
Dec 05 06:36:16.099 INFO [stderr]     Checking error-chain v0.2.2
Dec 05 06:36:17.103 INFO [stderr]     Checking slog v0.7.0
Dec 05 06:36:18.735 INFO [stderr]     Checking slog-serde v0.7.0
Dec 05 06:36:18.735 INFO [stderr]     Checking slog-term v0.7.0
Dec 05 06:36:20.533 INFO [stderr]     Checking slog-json v0.7.0
Dec 05 06:36:22.593 INFO [stderr]     Checking slacs-core v0.0.0 (/source)
Dec 05 06:36:23.215 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 05 06:36:23.215 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 05 06:36:23.215 INFO [stderr]    |
Dec 05 06:36:23.215 INFO [stderr] 17 | pub struct MarkPosition {
Dec 05 06:36:23.215 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:36:23.227 INFO [stderr]    |
Dec 05 06:36:23.227 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 06:36:23.227 INFO [stderr] 
Dec 05 06:36:23.227 INFO [stderr] warning: method is never used: `new`
Dec 05 06:36:23.227 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 05 06:36:23.227 INFO [stderr]    |
Dec 05 06:36:23.227 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 05 06:36:23.227 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:36:23.227 INFO [stderr] 
Dec 05 06:36:23.227 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 05 06:36:23.227 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 05 06:36:23.227 INFO [stderr]    |
Dec 05 06:36:23.227 INFO [stderr] 35 |     Cursor(usize),
Dec 05 06:36:23.227 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 06:36:23.227 INFO [stderr] 
Dec 05 06:36:23.227 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 05 06:36:23.227 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 05 06:36:23.227 INFO [stderr]    |
Dec 05 06:36:23.227 INFO [stderr] 36 |     DisplayMark(usize),
Dec 05 06:36:23.227 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 06:36:23.227 INFO [stderr] 
Dec 05 06:36:23.507 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 05 06:36:23.507 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 05 06:36:23.507 INFO [stderr]    |
Dec 05 06:36:23.507 INFO [stderr] 17 | pub struct MarkPosition {
Dec 05 06:36:23.507 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:36:23.507 INFO [stderr]    |
Dec 05 06:36:23.507 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 06:36:23.507 INFO [stderr] 
Dec 05 06:36:23.507 INFO [stderr] warning: method is never used: `new`
Dec 05 06:36:23.507 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 05 06:36:23.507 INFO [stderr]    |
Dec 05 06:36:23.507 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 05 06:36:23.507 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:36:23.507 INFO [stderr] 
Dec 05 06:36:23.507 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 05 06:36:23.507 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 05 06:36:23.507 INFO [stderr]    |
Dec 05 06:36:23.507 INFO [stderr] 35 |     Cursor(usize),
Dec 05 06:36:23.507 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 06:36:23.507 INFO [stderr] 
Dec 05 06:36:23.507 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 05 06:36:23.507 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 05 06:36:23.507 INFO [stderr]    |
Dec 05 06:36:23.507 INFO [stderr] 36 |     DisplayMark(usize),
Dec 05 06:36:23.507 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 06:36:23.507 INFO [stderr] 
Dec 05 06:36:23.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.22s
Dec 05 06:36:23.559 INFO [stderr] su: No module specific data is present
Dec 05 06:36:24.336 INFO running `"docker" "inspect" "1968d89539a0f666fe1b4f5f67af623d43e3dfaa9c46d116355729aae140fa69"`
Dec 05 06:36:24.629 INFO running `"docker" "rm" "-f" "1968d89539a0f666fe1b4f5f67af623d43e3dfaa9c46d116355729aae140fa69"`
Dec 05 06:36:24.887 INFO [stdout] 1968d89539a0f666fe1b4f5f67af623d43e3dfaa9c46d116355729aae140fa69