Dec 18 12:10:14.469 INFO checking rocket_http-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:10:14.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rocket_http/0.4.0:/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 12:10:15.106 INFO [stdout] 6861082ec357ede5511853b33c3830c8cfa344a53b3ec67de6fb111d3c18a6cc
Dec 18 12:10:15.108 INFO running `"docker" "start" "-a" "6861082ec357ede5511853b33c3830c8cfa344a53b3ec67de6fb111d3c18a6cc"`
Dec 18 12:10:17.616 INFO [stderr]    Compiling syn v0.15.23
Dec 18 12:10:39.082 INFO [stderr]    Compiling pear_codegen v0.1.2
Dec 18 12:10:44.930 INFO [stderr]     Checking pear v0.1.2
Dec 18 12:10:45.880 INFO [stderr]     Checking rocket_http v0.4.0 (/opt/crater/workdir)
Dec 18 12:10:54.500 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.97s
Dec 18 12:10:55.392 INFO running `"docker" "inspect" "6861082ec357ede5511853b33c3830c8cfa344a53b3ec67de6fb111d3c18a6cc"`
Dec 18 12:10:55.816 INFO running `"docker" "rm" "-f" "6861082ec357ede5511853b33c3830c8cfa344a53b3ec67de6fb111d3c18a6cc"`
Dec 18 12:10:56.224 INFO [stdout] 6861082ec357ede5511853b33c3830c8cfa344a53b3ec67de6fb111d3c18a6cc