Dec 18 13:45:39.873 INFO checking nanopow-rs-0.3.3 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:45:39.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/nanopow-rs/0.3.3:/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 13:45:40.079 INFO [stdout] 3bcabf3427c3f298d7270a1c401701847a5c453aab5f460bb0e690c69ceec400
Dec 18 13:45:40.082 INFO running `"docker" "start" "-a" "3bcabf3427c3f298d7270a1c401701847a5c453aab5f460bb0e690c69ceec400"`
Dec 18 13:45:40.886 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 18 13:45:41.696 INFO [stderr]     Checking crossbeam-channel v0.1.3
Dec 18 13:45:42.546 INFO [stderr]     Checking nanopow-rs v0.3.3 (/opt/crater/workdir)
Dec 18 13:45:43.395 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 13:45:43.395 INFO [stderr]   --> src/error.rs:2:1
Dec 18 13:45:43.395 INFO [stderr]    |
Dec 18 13:45:43.395 INFO [stderr] 2  | / error_chain! {
Dec 18 13:45:43.395 INFO [stderr] 3  | |   errors {
Dec 18 13:45:43.395 INFO [stderr] 4  | |     /// Invalid character used in hex string
Dec 18 13:45:43.395 INFO [stderr] 5  | |     InvalidHexCharacterError(pos: usize) {
Dec 18 13:45:43.395 INFO [stderr] ...  |
Dec 18 13:45:43.395 INFO [stderr] 24 | |   }
Dec 18 13:45:43.395 INFO [stderr] 25 | | }
Dec 18 13:45:43.395 INFO [stderr]    | |_^
Dec 18 13:45:43.395 INFO [stderr]    |
Dec 18 13:45:43.395 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 13:45:43.395 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 13:45:43.395 INFO [stderr] 
Dec 18 13:45:43.395 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 13:45:43.395 INFO [stderr]   --> src/error.rs:2:1
Dec 18 13:45:43.395 INFO [stderr]    |
Dec 18 13:45:43.395 INFO [stderr] 2  | / error_chain! {
Dec 18 13:45:43.395 INFO [stderr] 3  | |   errors {
Dec 18 13:45:43.395 INFO [stderr] 4  | |     /// Invalid character used in hex string
Dec 18 13:45:43.395 INFO [stderr] 5  | |     InvalidHexCharacterError(pos: usize) {
Dec 18 13:45:43.395 INFO [stderr] ...  |
Dec 18 13:45:43.395 INFO [stderr] 24 | |   }
Dec 18 13:45:43.395 INFO [stderr] 25 | | }
Dec 18 13:45:43.395 INFO [stderr]    | |_^
Dec 18 13:45:43.395 INFO [stderr]    |
Dec 18 13:45:43.395 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 13:45:43.395 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 13:45:43.396 INFO [stderr] 
Dec 18 13:45:43.474 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Dec 18 13:45:43.754 INFO running `"docker" "inspect" "3bcabf3427c3f298d7270a1c401701847a5c453aab5f460bb0e690c69ceec400"`
Dec 18 13:45:43.858 INFO running `"docker" "rm" "-f" "3bcabf3427c3f298d7270a1c401701847a5c453aab5f460bb0e690c69ceec400"`
Dec 18 13:45:43.955 INFO [stdout] 3bcabf3427c3f298d7270a1c401701847a5c453aab5f460bb0e690c69ceec400