Dec 18 14:55:04.649 INFO checking invariant-0.0.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:55:04.649 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/reg/invariant/0.0.2:/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 14:55:04.812 INFO [stdout] 764f0c5b6d679ff7b380c081f8d043f46d08d00a9538dfee3a3e4ce025b64ea2
Dec 18 14:55:04.813 INFO running `"docker" "start" "-a" "764f0c5b6d679ff7b380c081f8d043f46d08d00a9538dfee3a3e4ce025b64ea2"`
Dec 18 14:55:05.447 INFO [stderr]     Checking invariant v0.0.2 (/opt/crater/workdir)
Dec 18 14:55:05.660 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:55:05.660 INFO [stderr]   --> src/lib.rs:60:50
Dec 18 14:55:05.660 INFO [stderr]    |
Dec 18 14:55:05.660 INFO [stderr] 60 |             InvariantError::OtherError(ref e) => <E as error::Error>::cause(e),
Dec 18 14:55:05.660 INFO [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:55:05.660 INFO [stderr]    |
Dec 18 14:55:05.660 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:55:05.660 INFO [stderr] 
Dec 18 14:55:05.660 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:55:05.660 INFO [stderr]    --> src/lib.rs:186:48
Dec 18 14:55:05.660 INFO [stderr]     |
Dec 18 14:55:05.660 INFO [stderr] 186 |     fn cause(&self) -> Option<&error::Error> { <T as error::Error>::cause(self.as_inner_ref()) }
Dec 18 14:55:05.660 INFO [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:55:05.660 INFO [stderr] 
Dec 18 14:55:05.718 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:55:05.718 INFO [stderr]   --> src/lib.rs:60:50
Dec 18 14:55:05.718 INFO [stderr]    |
Dec 18 14:55:05.718 INFO [stderr] 60 |             InvariantError::OtherError(ref e) => <E as error::Error>::cause(e),
Dec 18 14:55:05.718 INFO [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:55:05.718 INFO [stderr]    |
Dec 18 14:55:05.718 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:55:05.718 INFO [stderr] 
Dec 18 14:55:05.718 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:55:05.718 INFO [stderr]    --> src/lib.rs:186:48
Dec 18 14:55:05.718 INFO [stderr]     |
Dec 18 14:55:05.718 INFO [stderr] 186 |     fn cause(&self) -> Option<&error::Error> { <T as error::Error>::cause(self.as_inner_ref()) }
Dec 18 14:55:05.718 INFO [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:55:05.718 INFO [stderr] 
Dec 18 14:55:05.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Dec 18 14:55:06.112 INFO running `"docker" "inspect" "764f0c5b6d679ff7b380c081f8d043f46d08d00a9538dfee3a3e4ce025b64ea2"`
Dec 18 14:55:06.169 INFO running `"docker" "rm" "-f" "764f0c5b6d679ff7b380c081f8d043f46d08d00a9538dfee3a3e4ce025b64ea2"`
Dec 18 14:55:06.246 INFO [stdout] 764f0c5b6d679ff7b380c081f8d043f46d08d00a9538dfee3a3e4ce025b64ea2