Dec 19 10:20:34.063 INFO checking red75prime/uftserver against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:20:34.063 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/red75prime/uftserver:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:20:34.580 INFO [stdout] 8f3ef2766d060ba1b6cfe26ff62b518de9c7d926cb8e7372eed25acae93b8c5d
Dec 19 10:20:34.584 INFO running `"docker" "start" "-a" "8f3ef2766d060ba1b6cfe26ff62b518de9c7d926cb8e7372eed25acae93b8c5d"`
Dec 19 10:20:36.548 INFO [stderr]    Compiling cc v1.0.4
Dec 19 10:20:36.556 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 10:20:36.556 INFO [stderr]     Checking tokio v0.1.0
Dec 19 10:20:39.495 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 10:20:53.793 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 10:20:54.249 INFO [stderr]     Checking failure v0.1.1
Dec 19 10:20:54.752 INFO [stderr]     Checking uftserver v0.1.0 (/opt/crater/workdir)
Dec 19 10:20:55.803 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 10:20:55.803 INFO [stderr]  --> src/main.rs:1:12
Dec 19 10:20:55.803 INFO [stderr]   |
Dec 19 10:20:55.803 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 10:20:55.803 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:20:55.803 INFO [stderr]   |
Dec 19 10:20:55.803 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 10:20:55.803 INFO [stderr] 
Dec 19 10:20:55.904 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 10:20:55.904 INFO [stderr]  --> src/main.rs:1:12
Dec 19 10:20:55.904 INFO [stderr]   |
Dec 19 10:20:55.904 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 10:20:55.904 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:20:55.904 INFO [stderr]   |
Dec 19 10:20:55.904 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 10:20:55.904 INFO [stderr] 
Dec 19 10:20:55.938 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.51s
Dec 19 10:20:56.900 INFO running `"docker" "inspect" "8f3ef2766d060ba1b6cfe26ff62b518de9c7d926cb8e7372eed25acae93b8c5d"`
Dec 19 10:20:57.128 INFO running `"docker" "rm" "-f" "8f3ef2766d060ba1b6cfe26ff62b518de9c7d926cb8e7372eed25acae93b8c5d"`
Dec 19 10:20:57.380 INFO [stdout] 8f3ef2766d060ba1b6cfe26ff62b518de9c7d926cb8e7372eed25acae93b8c5d