Dec 18 12:13:15.352 INFO checking rocket-lenient-json-0.3.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:13:15.353 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-lenient-json/0.3.1:/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 12:13:15.925 INFO [stdout] 6b188ec6dadda69b3ff8c785816cd3a1389daff6264b57cf1bedfe9e4a1f7f3a
Dec 18 12:13:15.927 INFO running `"docker" "start" "-a" "6b188ec6dadda69b3ff8c785816cd3a1389daff6264b57cf1bedfe9e4a1f7f3a"`
Dec 18 12:13:18.631 INFO [stderr]     Checking rocket-lenient-json v0.3.1 (/opt/crater/workdir)
Dec 18 12:13:20.372 INFO [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 12:13:20.372 INFO [stderr]  --> src/lib.rs:1:12
Dec 18 12:13:20.372 INFO [stderr]   |
Dec 18 12:13:20.372 INFO [stderr] 1 | #![feature(use_extern_macros)]
Dec 18 12:13:20.372 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 18 12:13:20.372 INFO [stderr]   |
Dec 18 12:13:20.372 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 12:13:20.372 INFO [stderr] 
Dec 18 12:13:20.436 INFO [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 18 12:13:20.436 INFO [stderr]  --> src/lib.rs:1:12
Dec 18 12:13:20.436 INFO [stderr]   |
Dec 18 12:13:20.436 INFO [stderr] 1 | #![feature(use_extern_macros)]
Dec 18 12:13:20.436 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 18 12:13:20.436 INFO [stderr]   |
Dec 18 12:13:20.436 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 12:13:20.436 INFO [stderr] 
Dec 18 12:13:20.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
Dec 18 12:13:21.896 INFO running `"docker" "inspect" "6b188ec6dadda69b3ff8c785816cd3a1389daff6264b57cf1bedfe9e4a1f7f3a"`
Dec 18 12:13:22.230 INFO running `"docker" "rm" "-f" "6b188ec6dadda69b3ff8c785816cd3a1389daff6264b57cf1bedfe9e4a1f7f3a"`
Dec 18 12:13:22.616 INFO [stdout] 6b188ec6dadda69b3ff8c785816cd3a1389daff6264b57cf1bedfe9e4a1f7f3a