Dec 18 01:59:08.023 INFO checking cundd/hackscanner against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:59:08.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/cundd/hackscanner:/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 01:59:08.466 INFO [stdout] 7148cf13151671629ddbe8f9c805e780c3440897773c1b10ee0bf2ad62ce073f
Dec 18 01:59:08.468 INFO running `"docker" "start" "-a" "7148cf13151671629ddbe8f9c805e780c3440897773c1b10ee0bf2ad62ce073f"`
Dec 18 01:59:10.183 INFO [stderr]     Checking walkdir v2.1.3
Dec 18 01:59:10.183 INFO [stderr]     Checking serde_json v1.0.13
Dec 18 01:59:10.192 INFO [stderr]     Checking serde_yaml v0.7.3
Dec 18 01:59:10.192 INFO [stderr]     Checking backtrace-sys v0.1.16
Dec 18 01:59:10.193 INFO [stderr]     Checking regex v0.2.6
Dec 18 01:59:10.976 INFO [stderr]     Checking backtrace v0.3.5
Dec 18 01:59:12.247 INFO [stderr]     Checking error-chain v0.11.0
Dec 18 01:59:13.864 INFO [stderr]     Checking hackscanner v0.1.0 (/opt/crater/workdir)
Dec 18 01:59:14.899 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 01:59:14.899 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 01:59:14.899 INFO [stderr]    |
Dec 18 01:59:14.899 INFO [stderr] 1  | / error_chain! {
Dec 18 01:59:14.899 INFO [stderr] 2  | |     // The type defined for this error. These are the conventional
Dec 18 01:59:14.899 INFO [stderr] 3  | |     // and recommended names, but they can be arbitrarily chosen.
Dec 18 01:59:14.899 INFO [stderr] 4  | |     //
Dec 18 01:59:14.899 INFO [stderr] ...  |
Dec 18 01:59:14.899 INFO [stderr] 46 | |     }
Dec 18 01:59:14.899 INFO [stderr] 47 | | }
Dec 18 01:59:14.899 INFO [stderr]    | |_^
Dec 18 01:59:14.899 INFO [stderr]    |
Dec 18 01:59:14.899 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 01:59:14.899 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 01:59:14.899 INFO [stderr] 
Dec 18 01:59:15.172 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 01:59:15.172 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 01:59:15.172 INFO [stderr]    |
Dec 18 01:59:15.172 INFO [stderr] 1  | / error_chain! {
Dec 18 01:59:15.172 INFO [stderr] 2  | |     // The type defined for this error. These are the conventional
Dec 18 01:59:15.172 INFO [stderr] 3  | |     // and recommended names, but they can be arbitrarily chosen.
Dec 18 01:59:15.172 INFO [stderr] 4  | |     //
Dec 18 01:59:15.172 INFO [stderr] ...  |
Dec 18 01:59:15.172 INFO [stderr] 46 | |     }
Dec 18 01:59:15.172 INFO [stderr] 47 | | }
Dec 18 01:59:15.172 INFO [stderr]    | |_^
Dec 18 01:59:15.172 INFO [stderr]    |
Dec 18 01:59:15.172 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 01:59:15.172 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 01:59:15.172 INFO [stderr] 
Dec 18 01:59:19.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.42s
Dec 18 01:59:22.631 INFO running `"docker" "inspect" "7148cf13151671629ddbe8f9c805e780c3440897773c1b10ee0bf2ad62ce073f"`
Dec 18 01:59:22.740 INFO running `"docker" "rm" "-f" "7148cf13151671629ddbe8f9c805e780c3440897773c1b10ee0bf2ad62ce073f"`
Dec 18 01:59:22.871 INFO [stdout] 7148cf13151671629ddbe8f9c805e780c3440897773c1b10ee0bf2ad62ce073f