Dec 18 14:02:31.840 INFO checking message_verifier-1.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:02:31.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/message_verifier/1.1.0:/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 14:02:32.215 INFO [stdout] b00f79625d0156d7d3ca5f615bdbe00cde9bec9948e0b8f2c413633ef0d315ce
Dec 18 14:02:32.218 INFO running `"docker" "start" "-a" "b00f79625d0156d7d3ca5f615bdbe00cde9bec9948e0b8f2c413633ef0d315ce"`
Dec 18 14:02:33.542 INFO [stderr]     Checking message_verifier v1.1.0 (/opt/crater/workdir)
Dec 18 14:02:34.127 INFO [stderr] warning: unused import: `std::str`
Dec 18 14:02:34.127 INFO [stderr]    --> src/lib.rs:409:9
Dec 18 14:02:34.127 INFO [stderr]     |
Dec 18 14:02:34.128 INFO [stderr] 409 |     use std::str;
Dec 18 14:02:34.128 INFO [stderr]     |         ^^^^^^^^
Dec 18 14:02:34.129 INFO [stderr]     |
Dec 18 14:02:34.129 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 14:02:34.129 INFO [stderr] 
Dec 18 14:02:34.196 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:02:34.196 INFO [stderr]   --> src/lib.rs:58:1
Dec 18 14:02:34.196 INFO [stderr]    |
Dec 18 14:02:34.196 INFO [stderr] 58 | / error_chain! {
Dec 18 14:02:34.196 INFO [stderr] 59 | |     foreign_links {
Dec 18 14:02:34.196 INFO [stderr] 60 | |         DecodeBase64(FromBase64Error);
Dec 18 14:02:34.196 INFO [stderr] 61 | |     }
Dec 18 14:02:34.196 INFO [stderr] ...  |
Dec 18 14:02:34.196 INFO [stderr] 79 | |     }
Dec 18 14:02:34.196 INFO [stderr] 80 | | }
Dec 18 14:02:34.196 INFO [stderr]    | |_^
Dec 18 14:02:34.196 INFO [stderr]    |
Dec 18 14:02:34.196 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:02:34.196 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 14:02:34.196 INFO [stderr] 
Dec 18 14:02:34.300 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:02:34.300 INFO [stderr]   --> src/lib.rs:58:1
Dec 18 14:02:34.300 INFO [stderr]    |
Dec 18 14:02:34.300 INFO [stderr] 58 | / error_chain! {
Dec 18 14:02:34.300 INFO [stderr] 59 | |     foreign_links {
Dec 18 14:02:34.300 INFO [stderr] 60 | |         DecodeBase64(FromBase64Error);
Dec 18 14:02:34.300 INFO [stderr] 61 | |     }
Dec 18 14:02:34.300 INFO [stderr] ...  |
Dec 18 14:02:34.300 INFO [stderr] 79 | |     }
Dec 18 14:02:34.300 INFO [stderr] 80 | | }
Dec 18 14:02:34.300 INFO [stderr]    | |_^
Dec 18 14:02:34.300 INFO [stderr]    |
Dec 18 14:02:34.300 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:02:34.300 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 14:02:34.300 INFO [stderr] 
Dec 18 14:02:35.418 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Dec 18 14:02:36.240 INFO running `"docker" "inspect" "b00f79625d0156d7d3ca5f615bdbe00cde9bec9948e0b8f2c413633ef0d315ce"`
Dec 18 14:02:36.490 INFO running `"docker" "rm" "-f" "b00f79625d0156d7d3ca5f615bdbe00cde9bec9948e0b8f2c413633ef0d315ce"`
Dec 18 14:02:36.692 INFO [stdout] b00f79625d0156d7d3ca5f615bdbe00cde9bec9948e0b8f2c413633ef0d315ce