Dec 18 14:02:32.076 INFO checking message_verifier-1.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:02:32.077 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/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:02:32.359 INFO [stdout] b3a78868782f668caeaee6a1f2b4815ff5a027bb0a7dc4beb195109f8266735a
Dec 18 14:02:32.364 INFO running `"docker" "start" "-a" "b3a78868782f668caeaee6a1f2b4815ff5a027bb0a7dc4beb195109f8266735a"`
Dec 18 14:02:33.435 INFO [stderr]     Checking message_verifier v1.1.0 (/opt/crater/workdir)
Dec 18 14:02:34.016 INFO [stderr] warning: unused import: `std::str`
Dec 18 14:02:34.016 INFO [stderr]    --> src/lib.rs:409:9
Dec 18 14:02:34.016 INFO [stderr]     |
Dec 18 14:02:34.017 INFO [stderr] 409 |     use std::str;
Dec 18 14:02:34.017 INFO [stderr]     |         ^^^^^^^^
Dec 18 14:02:34.017 INFO [stderr]     |
Dec 18 14:02:34.024 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 14:02:34.024 INFO [stderr] 
Dec 18 14:02:34.077 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:02:34.077 INFO [stderr]   --> src/lib.rs:58:1
Dec 18 14:02:34.077 INFO [stderr]    |
Dec 18 14:02:34.077 INFO [stderr] 58 | / error_chain! {
Dec 18 14:02:34.077 INFO [stderr] 59 | |     foreign_links {
Dec 18 14:02:34.077 INFO [stderr] 60 | |         DecodeBase64(FromBase64Error);
Dec 18 14:02:34.077 INFO [stderr] 61 | |     }
Dec 18 14:02:34.077 INFO [stderr] ...  |
Dec 18 14:02:34.077 INFO [stderr] 79 | |     }
Dec 18 14:02:34.077 INFO [stderr] 80 | | }
Dec 18 14:02:34.077 INFO [stderr]    | |_^
Dec 18 14:02:34.077 INFO [stderr]    |
Dec 18 14:02:34.077 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:02:34.077 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 14:02:34.077 INFO [stderr] 
Dec 18 14:02:34.220 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:02:34.220 INFO [stderr]   --> src/lib.rs:58:1
Dec 18 14:02:34.220 INFO [stderr]    |
Dec 18 14:02:34.220 INFO [stderr] 58 | / error_chain! {
Dec 18 14:02:34.220 INFO [stderr] 59 | |     foreign_links {
Dec 18 14:02:34.220 INFO [stderr] 60 | |         DecodeBase64(FromBase64Error);
Dec 18 14:02:34.220 INFO [stderr] 61 | |     }
Dec 18 14:02:34.220 INFO [stderr] ...  |
Dec 18 14:02:34.220 INFO [stderr] 79 | |     }
Dec 18 14:02:34.220 INFO [stderr] 80 | | }
Dec 18 14:02:34.220 INFO [stderr]    | |_^
Dec 18 14:02:34.220 INFO [stderr]    |
Dec 18 14:02:34.220 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:02:34.220 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 14:02:34.220 INFO [stderr] 
Dec 18 14:02:35.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 18 14:02:36.153 INFO running `"docker" "inspect" "b3a78868782f668caeaee6a1f2b4815ff5a027bb0a7dc4beb195109f8266735a"`
Dec 18 14:02:36.458 INFO running `"docker" "rm" "-f" "b3a78868782f668caeaee6a1f2b4815ff5a027bb0a7dc4beb195109f8266735a"`
Dec 18 14:02:36.702 INFO [stdout] b3a78868782f668caeaee6a1f2b4815ff5a027bb0a7dc4beb195109f8266735a