Dec 18 12:15:51.993 INFO checking rmp-rpc-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:15:51.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rmp-rpc/0.3.0:/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 12:15:52.249 INFO [stdout] 84eae0e5c5ef5718e5e0b68f119c744215340321847ce44a63fdedeef99563fc
Dec 18 12:15:52.254 INFO running `"docker" "start" "-a" "84eae0e5c5ef5718e5e0b68f119c744215340321847ce44a63fdedeef99563fc"`
Dec 18 12:15:53.048 INFO [stderr]     Checking rmpv v0.4.0
Dec 18 12:15:53.828 INFO [stderr]     Checking rmp-rpc v0.3.0 (/opt/crater/workdir)
Dec 18 12:15:55.815 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 12:15:55.815 INFO [stderr]   --> src/errors.rs:44:61
Dec 18 12:15:55.815 INFO [stderr]    |
Dec 18 12:15:55.816 INFO [stderr] 44 |                 if let Some(cause) = err.get_ref().unwrap().cause() {
Dec 18 12:15:55.816 INFO [stderr]    |                                                             ^^^^^
Dec 18 12:15:55.816 INFO [stderr]    |
Dec 18 12:15:55.816 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 12:15:55.817 INFO [stderr] 
Dec 18 12:15:55.916 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 12:15:55.916 INFO [stderr]   --> src/errors.rs:44:61
Dec 18 12:15:55.916 INFO [stderr]    |
Dec 18 12:15:55.916 INFO [stderr] 44 |                 if let Some(cause) = err.get_ref().unwrap().cause() {
Dec 18 12:15:55.916 INFO [stderr]    |                                                             ^^^^^
Dec 18 12:15:55.916 INFO [stderr]    |
Dec 18 12:15:55.916 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 12:15:55.916 INFO [stderr] 
Dec 18 12:15:57.762 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
Dec 18 12:15:58.106 INFO running `"docker" "inspect" "84eae0e5c5ef5718e5e0b68f119c744215340321847ce44a63fdedeef99563fc"`
Dec 18 12:15:58.213 INFO running `"docker" "rm" "-f" "84eae0e5c5ef5718e5e0b68f119c744215340321847ce44a63fdedeef99563fc"`
Dec 18 12:15:58.320 INFO [stdout] 84eae0e5c5ef5718e5e0b68f119c744215340321847ce44a63fdedeef99563fc