Dec 18 12:07:40.777 INFO checking rotary-encoder-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:07:40.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rotary-encoder/0.1.0:/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 12:07:41.225 INFO [stdout] a3a50773674570fb233df3589cef46d4f001140e63b7b2fe7faf36d006a32cc8
Dec 18 12:07:41.232 INFO running `"docker" "start" "-a" "a3a50773674570fb233df3589cef46d4f001140e63b7b2fe7faf36d006a32cc8"`
Dec 18 12:07:42.652 INFO [stderr]     Checking rotary-encoder v0.1.0 (/opt/crater/workdir)
Dec 18 12:07:42.655 INFO [stderr]     Checking tokio v0.1.13
Dec 18 12:07:43.268 INFO [stderr] warning: where clauses are not enforced in type aliases
Dec 18 12:07:43.268 INFO [stderr]   --> src/lib.rs:46:30
Dec 18 12:07:43.268 INFO [stderr]    |
Dec 18 12:07:43.268 INFO [stderr] 46 | type InternalStream<S> where S: Stream<Item = u8> + 'static =
Dec 18 12:07:43.268 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:07:43.268 INFO [stderr]    |
Dec 18 12:07:43.268 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 18 12:07:43.268 INFO [stderr]    = help: the clause will not be checked when the type alias is used, and should be removed
Dec 18 12:07:43.268 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 18 12:07:43.268 INFO [stderr]   --> src/lib.rs:47:42
Dec 18 12:07:43.268 INFO [stderr]    |
Dec 18 12:07:43.268 INFO [stderr] 47 |     Box<Stream<Item = Direction, Error = S::Error> + 'static>;
Dec 18 12:07:43.268 INFO [stderr]    |                                          ^^^^^^^^
Dec 18 12:07:43.268 INFO [stderr] 
Dec 18 12:07:44.364 INFO [stderr]     Checking tokio-core v0.1.17
Dec 18 12:07:46.140 INFO [stderr]     Checking sysfs_gpio v0.5.3
Dec 18 12:07:47.870 INFO [stderr] warning: where clauses are not enforced in type aliases
Dec 18 12:07:47.870 INFO [stderr]   --> src/lib.rs:46:30
Dec 18 12:07:47.870 INFO [stderr]    |
Dec 18 12:07:47.870 INFO [stderr] 46 | type InternalStream<S> where S: Stream<Item = u8> + 'static =
Dec 18 12:07:47.870 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:07:47.870 INFO [stderr]    |
Dec 18 12:07:47.870 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 18 12:07:47.870 INFO [stderr]    = help: the clause will not be checked when the type alias is used, and should be removed
Dec 18 12:07:47.870 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 18 12:07:47.870 INFO [stderr]   --> src/lib.rs:47:42
Dec 18 12:07:47.870 INFO [stderr]    |
Dec 18 12:07:47.870 INFO [stderr] 47 |     Box<Stream<Item = Direction, Error = S::Error> + 'static>;
Dec 18 12:07:47.870 INFO [stderr]    |                                          ^^^^^^^^
Dec 18 12:07:47.870 INFO [stderr] 
Dec 18 12:07:48.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
Dec 18 12:07:48.893 INFO running `"docker" "inspect" "a3a50773674570fb233df3589cef46d4f001140e63b7b2fe7faf36d006a32cc8"`
Dec 18 12:07:49.018 INFO running `"docker" "rm" "-f" "a3a50773674570fb233df3589cef46d4f001140e63b7b2fe7faf36d006a32cc8"`
Dec 18 12:07:49.261 INFO [stdout] a3a50773674570fb233df3589cef46d4f001140e63b7b2fe7faf36d006a32cc8