Dec 18 10:44:11.575 INFO checking stpl-0.5.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:44:11.575 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/stpl/0.5.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:44:11.781 INFO [stdout] 55e8c50ff3b1329b97b1ab009dfe3b84970eadd7144941406d7c2ed5851b8a2c
Dec 18 10:44:11.786 INFO running `"docker" "start" "-a" "55e8c50ff3b1329b97b1ab009dfe3b84970eadd7144941406d7c2ed5851b8a2c"`
Dec 18 10:44:12.592 INFO [stderr]     Checking bincode v0.9.2
Dec 18 10:44:13.208 INFO [stderr]     Checking stpl v0.5.0 (/opt/crater/workdir)
Dec 18 10:44:14.024 INFO [stderr] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 10:44:14.024 INFO [stderr]    --> src/lib.rs:155:12
Dec 18 10:44:14.024 INFO [stderr]     |
Dec 18 10:44:14.024 INFO [stderr] 155 | #![feature(universal_impl_trait)]
Dec 18 10:44:14.024 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
Dec 18 10:44:14.024 INFO [stderr]     |
Dec 18 10:44:14.024 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 10:44:14.024 INFO [stderr] 
Dec 18 10:44:14.024 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 10:44:14.024 INFO [stderr]    --> src/lib.rs:156:12
Dec 18 10:44:14.024 INFO [stderr]     |
Dec 18 10:44:14.024 INFO [stderr] 156 | #![feature(conservative_impl_trait)]
Dec 18 10:44:14.024 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:44:14.024 INFO [stderr] 
Dec 18 10:44:14.081 INFO [stderr] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 10:44:14.081 INFO [stderr]    --> src/lib.rs:155:12
Dec 18 10:44:14.081 INFO [stderr]     |
Dec 18 10:44:14.081 INFO [stderr] 155 | #![feature(universal_impl_trait)]
Dec 18 10:44:14.081 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
Dec 18 10:44:14.081 INFO [stderr]     |
Dec 18 10:44:14.081 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 10:44:14.081 INFO [stderr] 
Dec 18 10:44:14.081 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 10:44:14.081 INFO [stderr]    --> src/lib.rs:156:12
Dec 18 10:44:14.081 INFO [stderr]     |
Dec 18 10:44:14.081 INFO [stderr] 156 | #![feature(conservative_impl_trait)]
Dec 18 10:44:14.081 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:44:14.081 INFO [stderr] 
Dec 18 10:44:14.132 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Dec 18 10:44:14.469 INFO running `"docker" "inspect" "55e8c50ff3b1329b97b1ab009dfe3b84970eadd7144941406d7c2ed5851b8a2c"`
Dec 18 10:44:14.558 INFO running `"docker" "rm" "-f" "55e8c50ff3b1329b97b1ab009dfe3b84970eadd7144941406d7c2ed5851b8a2c"`
Dec 18 10:44:14.731 INFO [stdout] 55e8c50ff3b1329b97b1ab009dfe3b84970eadd7144941406d7c2ed5851b8a2c