Dec 06 22:37:48.965 INFO testing slacs-core-0.0.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 22:37:48.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 06 22:37:49.300 INFO [stdout] 358b835df01d6c7e0d74df369d97ba8b711f2c01194d644fbef7717e950e385b
Dec 06 22:37:49.308 INFO running `"docker" "start" "-a" "358b835df01d6c7e0d74df369d97ba8b711f2c01194d644fbef7717e950e385b"`
Dec 06 22:37:50.623 INFO [stderr] usermod: no changes
Dec 06 22:37:50.808 INFO [stderr]    Compiling bytecount v0.1.7
Dec 06 22:37:50.808 INFO [stderr]    Compiling ansi_term v0.7.5
Dec 06 22:37:50.808 INFO [stderr]    Compiling xi-unicode v0.0.1
Dec 06 22:37:50.813 INFO [stderr]    Compiling gapbuffer v0.1.1
Dec 06 22:37:50.876 INFO [stderr]    Compiling serde_json v0.7.4
Dec 06 22:37:50.892 INFO [stderr]    Compiling error-chain v0.2.2
Dec 06 22:37:53.928 INFO [stderr]    Compiling xi-rope v0.1.1
Dec 06 22:37:54.546 INFO [stderr]    Compiling slog v0.7.0
Dec 06 22:38:00.509 INFO [stderr]    Compiling slog-serde v0.7.0
Dec 06 22:38:00.596 INFO [stderr]    Compiling slog-term v0.7.0
Dec 06 22:38:03.970 INFO [stderr]    Compiling slog-json v0.7.0
Dec 06 22:38:07.512 INFO [stderr]    Compiling slacs-core v0.0.0 (/source)
Dec 06 22:38:08.108 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 06 22:38:08.108 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 06 22:38:08.108 INFO [stderr]    |
Dec 06 22:38:08.108 INFO [stderr] 17 | pub struct MarkPosition {
Dec 06 22:38:08.108 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 22:38:08.108 INFO [stderr]    |
Dec 06 22:38:08.108 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 22:38:08.108 INFO [stderr] 
Dec 06 22:38:08.108 INFO [stderr] warning: method is never used: `new`
Dec 06 22:38:08.108 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 06 22:38:08.108 INFO [stderr]    |
Dec 06 22:38:08.108 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 06 22:38:08.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 22:38:08.108 INFO [stderr] 
Dec 06 22:38:08.108 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 06 22:38:08.108 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 06 22:38:08.108 INFO [stderr]    |
Dec 06 22:38:08.108 INFO [stderr] 35 |     Cursor(usize),
Dec 06 22:38:08.108 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 06 22:38:08.108 INFO [stderr] 
Dec 06 22:38:08.108 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 06 22:38:08.108 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 06 22:38:08.108 INFO [stderr]    |
Dec 06 22:38:08.108 INFO [stderr] 36 |     DisplayMark(usize),
Dec 06 22:38:08.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 06 22:38:08.108 INFO [stderr] 
Dec 06 22:38:08.425 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.78s
Dec 06 22:38:08.436 INFO [stderr] su: No module specific data is present
Dec 06 22:38:09.403 INFO running `"docker" "inspect" "358b835df01d6c7e0d74df369d97ba8b711f2c01194d644fbef7717e950e385b"`
Dec 06 22:38:09.764 INFO running `"docker" "rm" "-f" "358b835df01d6c7e0d74df369d97ba8b711f2c01194d644fbef7717e950e385b"`
Dec 06 22:38:10.060 INFO [stdout] 358b835df01d6c7e0d74df369d97ba8b711f2c01194d644fbef7717e950e385b
Dec 06 22:38:10.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 06 22:38:10.520 INFO [stdout] 28a021267bd8e4eb8699b6820eda11cf3e68de393f91583076e5ba8228e3c5c3
Dec 06 22:38:10.522 INFO running `"docker" "start" "-a" "28a021267bd8e4eb8699b6820eda11cf3e68de393f91583076e5ba8228e3c5c3"`
Dec 06 22:38:12.104 INFO [stderr] usermod: no changes
Dec 06 22:38:12.292 INFO [stderr]    Compiling slacs-core v0.0.0 (/source)
Dec 06 22:38:12.772 INFO [stderr] warning: struct is never constructed: `MarkPosition`
Dec 06 22:38:12.772 INFO [stderr]   --> src/slacs/marks.rs:17:1
Dec 06 22:38:12.772 INFO [stderr]    |
Dec 06 22:38:12.772 INFO [stderr] 17 | pub struct MarkPosition {
Dec 06 22:38:12.772 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 22:38:12.776 INFO [stderr]    |
Dec 06 22:38:12.776 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 22:38:12.776 INFO [stderr] 
Dec 06 22:38:12.776 INFO [stderr] warning: method is never used: `new`
Dec 06 22:38:12.776 INFO [stderr]   --> src/slacs/marks.rs:24:5
Dec 06 22:38:12.776 INFO [stderr]    |
Dec 06 22:38:12.776 INFO [stderr] 24 |     fn new() -> MarkPosition {
Dec 06 22:38:12.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 22:38:12.776 INFO [stderr] 
Dec 06 22:38:12.776 INFO [stderr] warning: variant is never constructed: `Cursor`
Dec 06 22:38:12.776 INFO [stderr]   --> src/slacs/marks.rs:35:5
Dec 06 22:38:12.776 INFO [stderr]    |
Dec 06 22:38:12.776 INFO [stderr] 35 |     Cursor(usize),
Dec 06 22:38:12.776 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 06 22:38:12.776 INFO [stderr] 
Dec 06 22:38:12.776 INFO [stderr] warning: variant is never constructed: `DisplayMark`
Dec 06 22:38:12.776 INFO [stderr]   --> src/slacs/marks.rs:36:5
Dec 06 22:38:12.776 INFO [stderr]    |
Dec 06 22:38:12.776 INFO [stderr] 36 |     DisplayMark(usize),
Dec 06 22:38:12.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 06 22:38:12.776 INFO [stderr] 
Dec 06 22:38:13.325 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 06 22:38:13.341 INFO [stderr] su: No module specific data is present
Dec 06 22:38:14.357 INFO running `"docker" "inspect" "28a021267bd8e4eb8699b6820eda11cf3e68de393f91583076e5ba8228e3c5c3"`
Dec 06 22:38:14.634 INFO running `"docker" "rm" "-f" "28a021267bd8e4eb8699b6820eda11cf3e68de393f91583076e5ba8228e3c5c3"`
Dec 06 22:38:14.972 INFO [stdout] 28a021267bd8e4eb8699b6820eda11cf3e68de393f91583076e5ba8228e3c5c3
Dec 06 22:38:14.974 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 06 22:38:15.486 INFO [stdout] 8228083a6c8e42c43222c98007bf5c8ce13b238faa173f3ebcec84cd0ef1f132
Dec 06 22:38:15.496 INFO running `"docker" "start" "-a" "8228083a6c8e42c43222c98007bf5c8ce13b238faa173f3ebcec84cd0ef1f132"`
Dec 06 22:38:16.733 INFO [stderr] usermod: no changes
Dec 06 22:38:16.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Dec 06 22:38:16.944 INFO [stderr]      Running /target/debug/deps/slacs-670dbd8d3c0f9630
Dec 06 22:38:16.944 INFO [stdout] 
Dec 06 22:38:16.944 INFO [stdout] running 0 tests
Dec 06 22:38:16.944 INFO [stdout] 
Dec 06 22:38:16.944 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 22:38:16.944 INFO [stdout] 
Dec 06 22:38:16.947 INFO [stderr] su: No module specific data is present
Dec 06 22:38:18.124 INFO running `"docker" "inspect" "8228083a6c8e42c43222c98007bf5c8ce13b238faa173f3ebcec84cd0ef1f132"`
Dec 06 22:38:18.466 INFO running `"docker" "rm" "-f" "8228083a6c8e42c43222c98007bf5c8ce13b238faa173f3ebcec84cd0ef1f132"`
Dec 06 22:38:18.810 INFO [stdout] 8228083a6c8e42c43222c98007bf5c8ce13b238faa173f3ebcec84cd0ef1f132