Dec 18 17:38:15.188 INFO checking checked_cast-0.0.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:38:15.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/checked_cast/0.0.3:/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 17:38:15.634 INFO [stdout] 3acec2b54655e0fc761d5182f00b7898191b52a33f068e2e93e2c3c5e4a8713b
Dec 18 17:38:15.636 INFO running `"docker" "start" "-a" "3acec2b54655e0fc761d5182f00b7898191b52a33f068e2e93e2c3c5e4a8713b"`
Dec 18 17:38:17.212 INFO [stderr]     Checking checked_cast v0.0.3 (/opt/crater/workdir)
Dec 18 17:38:17.332 INFO [stderr] warning: unknown lint: `unstable`
Dec 18 17:38:17.332 INFO [stderr]  --> src/lib.rs:3:10
Dec 18 17:38:17.332 INFO [stderr]   |
Dec 18 17:38:17.332 INFO [stderr] 3 | #![allow(unstable)]
Dec 18 17:38:17.332 INFO [stderr]   |          ^^^^^^^^
Dec 18 17:38:17.332 INFO [stderr]   |
Dec 18 17:38:17.332 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 18 17:38:17.332 INFO [stderr] 
Dec 18 17:38:17.440 INFO [stderr] warning: unknown lint: `unstable`
Dec 18 17:38:17.440 INFO [stderr]  --> src/lib.rs:3:10
Dec 18 17:38:17.440 INFO [stderr]   |
Dec 18 17:38:17.440 INFO [stderr] 3 | #![allow(unstable)]
Dec 18 17:38:17.440 INFO [stderr]   |          ^^^^^^^^
Dec 18 17:38:17.440 INFO [stderr]   |
Dec 18 17:38:17.440 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 18 17:38:17.440 INFO [stderr] 
Dec 18 17:38:17.734 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 18 17:38:18.522 INFO running `"docker" "inspect" "3acec2b54655e0fc761d5182f00b7898191b52a33f068e2e93e2c3c5e4a8713b"`
Dec 18 17:38:18.842 INFO running `"docker" "rm" "-f" "3acec2b54655e0fc761d5182f00b7898191b52a33f068e2e93e2c3c5e4a8713b"`
Dec 18 17:38:19.101 INFO [stdout] 3acec2b54655e0fc761d5182f00b7898191b52a33f068e2e93e2c3c5e4a8713b