Dec 17 20:28:53.434 INFO checking lucis-fluxum/rust-sandbox against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:28:53.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/lucis-fluxum/rust-sandbox:/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 17 20:28:54.018 INFO [stdout] cf0b67cdecf7cdfd4720b8090688e01c2b373fffbcd06a8080dd6d138789cf9a
Dec 17 20:28:54.020 INFO running `"docker" "start" "-a" "cf0b67cdecf7cdfd4720b8090688e01c2b373fffbcd06a8080dd6d138789cf9a"`
Dec 17 20:28:56.000 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 17 20:28:56.052 INFO [stderr]     Checking rust-sandbox v0.1.0 (/opt/crater/workdir)
Dec 17 20:28:56.488 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 17 20:28:57.542 INFO running `"docker" "inspect" "cf0b67cdecf7cdfd4720b8090688e01c2b373fffbcd06a8080dd6d138789cf9a"`
Dec 17 20:28:57.970 INFO running `"docker" "rm" "-f" "cf0b67cdecf7cdfd4720b8090688e01c2b373fffbcd06a8080dd6d138789cf9a"`
Dec 17 20:28:58.216 INFO [stdout] cf0b67cdecf7cdfd4720b8090688e01c2b373fffbcd06a8080dd6d138789cf9a