Dec 18 12:19:34.061 INFO checking rift-0.5.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:19:34.061 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/rift/0.5.1:/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 12:19:34.422 INFO [stdout] ac5583ea845c2f51ab75daca4c15126c46e717d599d128d21525f47be27f49fe
Dec 18 12:19:34.426 INFO running `"docker" "start" "-a" "ac5583ea845c2f51ab75daca4c15126c46e717d599d128d21525f47be27f49fe"`
Dec 18 12:19:35.247 INFO [stderr]     Checking rift v0.5.1 (/opt/crater/workdir)
Dec 18 12:19:35.521 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 12:19:35.522 INFO [stderr]    --> src/protocol/compact.rs:258:44
Dec 18 12:19:35.522 INFO [stderr]     |
Dec 18 12:19:35.522 INFO [stderr] 258 |             let val_type = try!(u8_to_type((type_header & 0x0F)));
Dec 18 12:19:35.522 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 12:19:35.522 INFO [stderr]     |
Dec 18 12:19:35.522 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 12:19:35.522 INFO [stderr] 
Dec 18 12:19:35.667 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 12:19:35.667 INFO [stderr]    --> src/protocol/compact.rs:258:44
Dec 18 12:19:35.667 INFO [stderr]     |
Dec 18 12:19:35.667 INFO [stderr] 258 |             let val_type = try!(u8_to_type((type_header & 0x0F)));
Dec 18 12:19:35.667 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 12:19:35.667 INFO [stderr]     |
Dec 18 12:19:35.667 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 12:19:35.667 INFO [stderr] 
Dec 18 12:19:36.731 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 18 12:19:37.937 INFO running `"docker" "inspect" "ac5583ea845c2f51ab75daca4c15126c46e717d599d128d21525f47be27f49fe"`
Dec 18 12:19:38.196 INFO running `"docker" "rm" "-f" "ac5583ea845c2f51ab75daca4c15126c46e717d599d128d21525f47be27f49fe"`
Dec 18 12:19:38.584 INFO [stdout] ac5583ea845c2f51ab75daca4c15126c46e717d599d128d21525f47be27f49fe