Dec 17 15:35:31.481 INFO checking shanegibbs/pirc against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:35:31.481 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/shanegibbs/pirc:/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 17 15:35:32.022 INFO [stdout] 669a07a225e12db7cbd8f673cc6a8319688b05bcba43b070690842597d47672e
Dec 17 15:35:32.026 INFO running `"docker" "start" "-a" "669a07a225e12db7cbd8f673cc6a8319688b05bcba43b070690842597d47672e"`
Dec 17 15:35:33.637 INFO [stderr]     Checking net2 v0.2.26
Dec 17 15:35:33.642 INFO [stderr]     Checking futures v0.1.10
Dec 17 15:35:34.584 INFO [stderr]     Checking mio v0.6.4
Dec 17 15:35:36.463 INFO [stderr]     Checking tokio-service v0.1.0
Dec 17 15:35:37.021 INFO [stderr]     Checking tokio-core v0.1.4
Dec 17 15:35:38.161 INFO [stderr]     Checking tokio-proto v0.1.0
Dec 17 15:35:40.164 INFO [stderr]     Checking pirc v0.1.0 (/opt/crater/workdir)
Dec 17 15:35:40.708 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 17 15:35:40.708 INFO [stderr]  --> src/main.rs:1:12
Dec 17 15:35:40.708 INFO [stderr]   |
Dec 17 15:35:40.708 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 17 15:35:40.708 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:35:40.708 INFO [stderr]   |
Dec 17 15:35:40.708 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 15:35:40.708 INFO [stderr] 
Dec 17 15:35:40.856 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 17 15:35:40.856 INFO [stderr]  --> src/main.rs:1:12
Dec 17 15:35:40.856 INFO [stderr]   |
Dec 17 15:35:40.856 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 17 15:35:40.856 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:35:40.856 INFO [stderr]   |
Dec 17 15:35:40.856 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 15:35:40.856 INFO [stderr] 
Dec 17 15:35:40.904 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
Dec 17 15:35:42.106 INFO running `"docker" "inspect" "669a07a225e12db7cbd8f673cc6a8319688b05bcba43b070690842597d47672e"`
Dec 17 15:35:42.466 INFO running `"docker" "rm" "-f" "669a07a225e12db7cbd8f673cc6a8319688b05bcba43b070690842597d47672e"`
Dec 17 15:35:42.728 INFO [stdout] 669a07a225e12db7cbd8f673cc6a8319688b05bcba43b070690842597d47672e