Dec 17 22:40:02.931 INFO checking jaemk/randhex against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:40:02.931 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/gh/jaemk/randhex:/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 17 22:40:03.162 INFO [stdout] 68ffddb29f30b1dc9cce01e43bed9824dce1170395e97ced41ed1a239e6dae99
Dec 17 22:40:03.165 INFO running `"docker" "start" "-a" "68ffddb29f30b1dc9cce01e43bed9824dce1170395e97ced41ed1a239e6dae99"`
Dec 17 22:40:04.024 INFO [stderr]    Compiling scopeguard v0.3.3
Dec 17 22:40:04.025 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 17 22:40:04.388 INFO [stderr]    Compiling coco v0.1.1
Dec 17 22:40:05.198 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 17 22:40:06.596 INFO [stderr]    Compiling rayon v0.8.2
Dec 17 22:40:09.208 INFO [stderr]    Compiling ring v0.12.1
Dec 17 22:40:15.616 INFO [stderr]     Checking randhex v0.1.0 (/opt/crater/workdir)
Dec 17 22:40:16.156 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 22:40:16.156 INFO [stderr]   --> src/main.rs:13:1
Dec 17 22:40:16.156 INFO [stderr]    |
Dec 17 22:40:16.156 INFO [stderr] 13 | / error_chain! {
Dec 17 22:40:16.156 INFO [stderr] 14 | |     foreign_links {
Dec 17 22:40:16.156 INFO [stderr] 15 | |         Ring(ring::error::Unspecified);
Dec 17 22:40:16.156 INFO [stderr] 16 | |     }
Dec 17 22:40:16.156 INFO [stderr] 17 | |     errors {}
Dec 17 22:40:16.156 INFO [stderr] 18 | | }
Dec 17 22:40:16.156 INFO [stderr]    | |_^
Dec 17 22:40:16.156 INFO [stderr]    |
Dec 17 22:40:16.156 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 22:40:16.156 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 17 22:40:16.156 INFO [stderr] 
Dec 17 22:40:16.184 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 22:40:16.185 INFO [stderr]   --> src/main.rs:13:1
Dec 17 22:40:16.185 INFO [stderr]    |
Dec 17 22:40:16.185 INFO [stderr] 13 | / error_chain! {
Dec 17 22:40:16.186 INFO [stderr] 14 | |     foreign_links {
Dec 17 22:40:16.186 INFO [stderr] 15 | |         Ring(ring::error::Unspecified);
Dec 17 22:40:16.186 INFO [stderr] 16 | |     }
Dec 17 22:40:16.186 INFO [stderr] 17 | |     errors {}
Dec 17 22:40:16.187 INFO [stderr] 18 | | }
Dec 17 22:40:16.187 INFO [stderr]    | |_^
Dec 17 22:40:16.187 INFO [stderr]    |
Dec 17 22:40:16.187 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 22:40:16.192 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 17 22:40:16.192 INFO [stderr] 
Dec 17 22:40:16.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.39s
Dec 17 22:40:17.583 INFO running `"docker" "inspect" "68ffddb29f30b1dc9cce01e43bed9824dce1170395e97ced41ed1a239e6dae99"`
Dec 17 22:40:17.888 INFO running `"docker" "rm" "-f" "68ffddb29f30b1dc9cce01e43bed9824dce1170395e97ced41ed1a239e6dae99"`
Dec 17 22:40:18.231 INFO [stdout] 68ffddb29f30b1dc9cce01e43bed9824dce1170395e97ced41ed1a239e6dae99