Dec 12 15:28:45.514 INFO checking encode_unicode-0.3.5 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 15:28:45.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15:28:45.737 INFO [stdout] 2ae908c8756527d2c7038fcdb5637cc5f326da1aa8643b76c99873e5f2813902
Dec 12 15:28:45.742 INFO running `"docker" "start" "-a" "2ae908c8756527d2c7038fcdb5637cc5f326da1aa8643b76c99873e5f2813902"`
Dec 12 15:28:46.582 INFO [stderr] usermod: no changes
Dec 12 15:28:46.657 INFO [stderr]     Checking encode_unicode v0.3.5 (/source)
Dec 12 15:28:47.862 INFO [stderr] warning: unreachable pattern
Dec 12 15:28:47.862 INFO [stderr]    --> src/traits.rs:426:13
Dec 12 15:28:47.862 INFO [stderr]     |
Dec 12 15:28:47.862 INFO [stderr] 426 |             (Some(_), _) => unreachable!()
Dec 12 15:28:47.862 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 12 15:28:47.862 INFO [stderr]     |
Dec 12 15:28:47.862 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 12 15:28:47.862 INFO [stderr] 
Dec 12 15:28:47.862 INFO [stderr] warning: unreachable pattern
Dec 12 15:28:47.862 INFO [stderr]    --> src/traits.rs:441:13
Dec 12 15:28:47.862 INFO [stderr]     |
Dec 12 15:28:47.862 INFO [stderr] 441 |             (        _        , None   ) => unreachable!()
Dec 12 15:28:47.862 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:28:47.862 INFO [stderr] 
Dec 12 15:28:47.862 INFO [stderr] warning: unreachable pattern
Dec 12 15:28:47.862 INFO [stderr]    --> src/decoding_iterators.rs:188:17
Dec 12 15:28:47.862 INFO [stderr]     |
Dec 12 15:28:47.862 INFO [stderr] 188 |                 _ => unreachable!("all possible byte values should be covered")
Dec 12 15:28:47.862 INFO [stderr]     |                 ^
Dec 12 15:28:47.862 INFO [stderr] 
Dec 12 15:28:48.124 INFO [stderr] warning: unreachable pattern
Dec 12 15:28:48.124 INFO [stderr]    --> src/traits.rs:426:13
Dec 12 15:28:48.124 INFO [stderr]     |
Dec 12 15:28:48.124 INFO [stderr] 426 |             (Some(_), _) => unreachable!()
Dec 12 15:28:48.124 INFO [stderr]     |             ^^^^^^^^^^^^
Dec 12 15:28:48.124 INFO [stderr]     |
Dec 12 15:28:48.124 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 12 15:28:48.124 INFO [stderr] 
Dec 12 15:28:48.124 INFO [stderr] warning: unreachable pattern
Dec 12 15:28:48.124 INFO [stderr]    --> src/traits.rs:441:13
Dec 12 15:28:48.124 INFO [stderr]     |
Dec 12 15:28:48.124 INFO [stderr] 441 |             (        _        , None   ) => unreachable!()
Dec 12 15:28:48.124 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:28:48.124 INFO [stderr] 
Dec 12 15:28:48.130 INFO [stderr] warning: unreachable pattern
Dec 12 15:28:48.130 INFO [stderr]    --> src/decoding_iterators.rs:188:17
Dec 12 15:28:48.130 INFO [stderr]     |
Dec 12 15:28:48.130 INFO [stderr] 188 |                 _ => unreachable!("all possible byte values should be covered")
Dec 12 15:28:48.130 INFO [stderr]     |                 ^
Dec 12 15:28:48.130 INFO [stderr] 
Dec 12 15:28:50.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
Dec 12 15:28:50.667 INFO [stderr] su: No module specific data is present
Dec 12 15:28:51.370 INFO running `"docker" "inspect" "2ae908c8756527d2c7038fcdb5637cc5f326da1aa8643b76c99873e5f2813902"`
Dec 12 15:28:51.490 INFO running `"docker" "rm" "-f" "2ae908c8756527d2c7038fcdb5637cc5f326da1aa8643b76c99873e5f2813902"`
Dec 12 15:28:51.668 INFO [stdout] 2ae908c8756527d2c7038fcdb5637cc5f326da1aa8643b76c99873e5f2813902