Dec 18 16:19:36.026 INFO checking futures-macro-async-preview-0.2.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:19:36.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/futures-macro-async-preview/0.2.2:/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 16:19:36.253 INFO [stdout] 3e1742752f5e9de4559b14d3819ac419ff11d1f1c4192e846535f987964b19bb
Dec 18 16:19:36.254 INFO running `"docker" "start" "-a" "3e1742752f5e9de4559b14d3819ac419ff11d1f1c4192e846535f987964b19bb"`
Dec 18 16:19:36.900 INFO [stderr]     Checking syn v0.14.9
Dec 18 16:19:43.612 INFO [stderr]     Checking futures-macro-async-preview v0.2.2 (/opt/crater/workdir)
Dec 18 16:19:43.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
Dec 18 16:19:44.237 INFO running `"docker" "inspect" "3e1742752f5e9de4559b14d3819ac419ff11d1f1c4192e846535f987964b19bb"`
Dec 18 16:19:44.309 INFO running `"docker" "rm" "-f" "3e1742752f5e9de4559b14d3819ac419ff11d1f1c4192e846535f987964b19bb"`
Dec 18 16:19:44.386 INFO [stdout] 3e1742752f5e9de4559b14d3819ac419ff11d1f1c4192e846535f987964b19bb