Dec 18 04:38:48.367 INFO checking ablanleuil/rust_shaun against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:38:48.367 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ablanleuil/rust_shaun:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:38:48.696 INFO [stdout] 361d3238e5543aa174deaf5e9e189fa4c226e1309ad6dc76fcec2d41fec3ec37
Dec 18 04:38:48.702 INFO running `"docker" "start" "-a" "361d3238e5543aa174deaf5e9e189fa4c226e1309ad6dc76fcec2d41fec3ec37"`
Dec 18 04:38:49.669 INFO [stderr]    Compiling syn v0.15.20
Dec 18 04:38:57.328 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 18 04:39:10.745 INFO [stderr]     Checking shaun v0.4.2 (/opt/crater/workdir)
Dec 18 04:39:12.949 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.34s
Dec 18 04:39:13.850 INFO running `"docker" "inspect" "361d3238e5543aa174deaf5e9e189fa4c226e1309ad6dc76fcec2d41fec3ec37"`
Dec 18 04:39:14.186 INFO running `"docker" "rm" "-f" "361d3238e5543aa174deaf5e9e189fa4c226e1309ad6dc76fcec2d41fec3ec37"`
Dec 18 04:39:14.524 INFO [stdout] 361d3238e5543aa174deaf5e9e189fa4c226e1309ad6dc76fcec2d41fec3ec37