Dec 18 10:35:47.516 INFO checking syn-0.15.22 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:35:47.516 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/syn/0.15.22:/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 10:35:48.028 INFO [stdout] 39e8a5cf7269a86df34c6af12a1577c0607cf2a0b386cd29e74143e97a02b31c
Dec 18 10:35:48.032 INFO running `"docker" "start" "-a" "39e8a5cf7269a86df34c6af12a1577c0607cf2a0b386cd29e74143e97a02b31c"`
Dec 18 10:35:48.966 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 18 10:35:50.555 INFO [stderr]     Checking quote v0.6.10
Dec 18 10:35:50.852 INFO [stderr]     Checking syn v0.15.22 (/opt/crater/workdir)
Dec 18 10:35:53.474 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
Dec 18 10:35:53.785 INFO running `"docker" "inspect" "39e8a5cf7269a86df34c6af12a1577c0607cf2a0b386cd29e74143e97a02b31c"`
Dec 18 10:35:53.908 INFO running `"docker" "rm" "-f" "39e8a5cf7269a86df34c6af12a1577c0607cf2a0b386cd29e74143e97a02b31c"`
Dec 18 10:35:53.981 INFO [stdout] 39e8a5cf7269a86df34c6af12a1577c0607cf2a0b386cd29e74143e97a02b31c