Dec 18 17:38:16.908 INFO checking checked_cast-0.0.3 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:38:16.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:38:17.204 INFO [stdout] e5527f8b1b55cd9bdf3a6fee08c46042e2e98e475742d21d50fd5814652a3345
Dec 18 17:38:17.212 INFO running `"docker" "start" "-a" "e5527f8b1b55cd9bdf3a6fee08c46042e2e98e475742d21d50fd5814652a3345"`
Dec 18 17:38:18.642 INFO [stderr]     Checking checked_cast v0.0.3 (/opt/crater/workdir)
Dec 18 17:38:18.884 INFO [stderr] warning: unknown lint: `unstable`
Dec 18 17:38:18.884 INFO [stderr]  --> src/lib.rs:3:10
Dec 18 17:38:18.884 INFO [stderr]   |
Dec 18 17:38:18.884 INFO [stderr] 3 | #![allow(unstable)]
Dec 18 17:38:18.884 INFO [stderr]   |          ^^^^^^^^
Dec 18 17:38:18.884 INFO [stderr]   |
Dec 18 17:38:18.884 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 18 17:38:18.884 INFO [stderr] 
Dec 18 17:38:18.904 INFO [stderr] warning: unknown lint: `unstable`
Dec 18 17:38:18.904 INFO [stderr]  --> src/lib.rs:3:10
Dec 18 17:38:18.904 INFO [stderr]   |
Dec 18 17:38:18.904 INFO [stderr] 3 | #![allow(unstable)]
Dec 18 17:38:18.904 INFO [stderr]   |          ^^^^^^^^
Dec 18 17:38:18.904 INFO [stderr]   |
Dec 18 17:38:18.904 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 18 17:38:18.904 INFO [stderr] 
Dec 18 17:38:19.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 17:38:19.818 INFO running `"docker" "inspect" "e5527f8b1b55cd9bdf3a6fee08c46042e2e98e475742d21d50fd5814652a3345"`
Dec 18 17:38:20.060 INFO running `"docker" "rm" "-f" "e5527f8b1b55cd9bdf3a6fee08c46042e2e98e475742d21d50fd5814652a3345"`
Dec 18 17:38:20.340 INFO [stdout] e5527f8b1b55cd9bdf3a6fee08c46042e2e98e475742d21d50fd5814652a3345