Dec 19 15:30:32.723 INFO checking jaemk/randhex against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:30:32.723 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:30:32.950 INFO [stdout] bd3b164ddca0934a517a08c087495c635b443cd9d530104ac9f7c876f32e9869
Dec 19 15:30:32.957 INFO running `"docker" "start" "-a" "bd3b164ddca0934a517a08c087495c635b443cd9d530104ac9f7c876f32e9869"`
Dec 19 15:30:33.840 INFO [stderr]    Compiling either v1.3.0
Dec 19 15:30:33.840 INFO [stderr]    Compiling cc v1.0.1
Dec 19 15:30:33.840 INFO [stderr]    Compiling lazy_static v0.2.9
Dec 19 15:30:33.856 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 19 15:30:34.283 INFO [stderr]    Compiling coco v0.1.1
Dec 19 15:30:36.157 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 19 15:30:36.848 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 15:30:38.676 INFO [stderr]    Compiling rayon v0.8.2
Dec 19 15:30:42.943 INFO [stderr]    Compiling ring v0.12.1
Dec 19 15:30:55.293 INFO [stderr]     Checking backtrace v0.3.3
Dec 19 15:30:55.797 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 15:30:56.396 INFO [stderr]     Checking randhex v0.1.0 (/opt/crater/workdir)
Dec 19 15:30:57.016 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 15:30:57.017 INFO [stderr]   --> src/main.rs:13:1
Dec 19 15:30:57.017 INFO [stderr]    |
Dec 19 15:30:57.017 INFO [stderr] 13 | / error_chain! {
Dec 19 15:30:57.018 INFO [stderr] 14 | |     foreign_links {
Dec 19 15:30:57.018 INFO [stderr] 15 | |         Ring(ring::error::Unspecified);
Dec 19 15:30:57.018 INFO [stderr] 16 | |     }
Dec 19 15:30:57.019 INFO [stderr] 17 | |     errors {}
Dec 19 15:30:57.019 INFO [stderr] 18 | | }
Dec 19 15:30:57.019 INFO [stderr]    | |_^
Dec 19 15:30:57.019 INFO [stderr]    |
Dec 19 15:30:57.020 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 15:30:57.020 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 19 15:30:57.020 INFO [stderr] 
Dec 19 15:30:57.052 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 15:30:57.052 INFO [stderr]   --> src/main.rs:13:1
Dec 19 15:30:57.053 INFO [stderr]    |
Dec 19 15:30:57.053 INFO [stderr] 13 | / error_chain! {
Dec 19 15:30:57.053 INFO [stderr] 14 | |     foreign_links {
Dec 19 15:30:57.054 INFO [stderr] 15 | |         Ring(ring::error::Unspecified);
Dec 19 15:30:57.054 INFO [stderr] 16 | |     }
Dec 19 15:30:57.054 INFO [stderr] 17 | |     errors {}
Dec 19 15:30:57.054 INFO [stderr] 18 | | }
Dec 19 15:30:57.054 INFO [stderr]    | |_^
Dec 19 15:30:57.055 INFO [stderr]    |
Dec 19 15:30:57.055 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 15:30:57.055 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 19 15:30:57.055 INFO [stderr] 
Dec 19 15:30:57.193 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.48s
Dec 19 15:30:58.715 INFO running `"docker" "inspect" "bd3b164ddca0934a517a08c087495c635b443cd9d530104ac9f7c876f32e9869"`
Dec 19 15:30:59.086 INFO running `"docker" "rm" "-f" "bd3b164ddca0934a517a08c087495c635b443cd9d530104ac9f7c876f32e9869"`
Dec 19 15:30:59.464 INFO [stdout] bd3b164ddca0934a517a08c087495c635b443cd9d530104ac9f7c876f32e9869