Dec 18 10:32:49.053 INFO checking takkerus-0.3.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:32:49.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/takkerus/0.3.0:/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 10:32:49.480 INFO [stdout] 92ae3d60af8da9d6295f2e01471a214086694e574e45dea43aa35714eea63fe6
Dec 18 10:32:49.488 INFO running `"docker" "start" "-a" "92ae3d60af8da9d6295f2e01471a214086694e574e45dea43aa35714eea63fe6"`
Dec 18 10:32:50.736 INFO [stderr]     Checking zero_sum v1.2.0
Dec 18 10:32:52.057 INFO [stderr]     Checking takkerus v0.3.0 (/opt/crater/workdir)
Dec 18 10:32:53.280 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 10:32:53.280 INFO [stderr]   --> src/main.rs:20:12
Dec 18 10:32:53.280 INFO [stderr]    |
Dec 18 10:32:53.280 INFO [stderr] 20 | #![feature(conservative_impl_trait)]
Dec 18 10:32:53.280 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:32:53.280 INFO [stderr]    |
Dec 18 10:32:53.280 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 10:32:53.280 INFO [stderr] 
Dec 18 10:32:53.316 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 10:32:53.316 INFO [stderr]   --> src/main.rs:20:12
Dec 18 10:32:53.316 INFO [stderr]    |
Dec 18 10:32:53.316 INFO [stderr] 20 | #![feature(conservative_impl_trait)]
Dec 18 10:32:53.316 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:32:53.316 INFO [stderr]    |
Dec 18 10:32:53.316 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 10:32:53.316 INFO [stderr] 
Dec 18 10:32:53.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
Dec 18 10:32:53.822 INFO running `"docker" "inspect" "92ae3d60af8da9d6295f2e01471a214086694e574e45dea43aa35714eea63fe6"`
Dec 18 10:32:53.935 INFO running `"docker" "rm" "-f" "92ae3d60af8da9d6295f2e01471a214086694e574e45dea43aa35714eea63fe6"`
Dec 18 10:32:54.010 INFO [stdout] 92ae3d60af8da9d6295f2e01471a214086694e574e45dea43aa35714eea63fe6