Dec 18 16:23:12.524 INFO checking from_variants_impl-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:23:12.525 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/from_variants_impl/0.4.0:/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 16:23:12.719 INFO [stdout] 26654625fd27fb678ddb0bc1cee63b8ae9f9ba5bdc9a8431da41cc867fe1ad77
Dec 18 16:23:12.721 INFO running `"docker" "start" "-a" "26654625fd27fb678ddb0bc1cee63b8ae9f9ba5bdc9a8431da41cc867fe1ad77"`
Dec 18 16:23:13.428 INFO [stderr]     Checking ident_case v1.0.0
Dec 18 16:23:13.428 INFO [stderr]     Checking syn v0.13.11
Dec 18 16:23:13.428 INFO [stderr]    Compiling darling_core v0.5.0
Dec 18 16:23:20.807 INFO [stderr]    Compiling darling_macro v0.5.0
Dec 18 16:23:25.184 INFO [stderr]     Checking darling v0.5.0
Dec 18 16:23:25.513 INFO [stderr]     Checking from_variants_impl v0.4.0 (/opt/crater/workdir)
Dec 18 16:23:26.072 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:23:26.072 INFO [stderr]  --> src/errors.rs:3:1
Dec 18 16:23:26.072 INFO [stderr]   |
Dec 18 16:23:26.072 INFO [stderr] 3 | / error_chain! {
Dec 18 16:23:26.072 INFO [stderr] 4 | |     foreign_links {
Dec 18 16:23:26.072 INFO [stderr] 5 | |         Darling(darling::Error);
Dec 18 16:23:26.072 INFO [stderr] 6 | |     }
Dec 18 16:23:26.072 INFO [stderr] 7 | | }
Dec 18 16:23:26.072 INFO [stderr]   | |_^
Dec 18 16:23:26.072 INFO [stderr]   |
Dec 18 16:23:26.072 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 16:23:26.072 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 16:23:26.072 INFO [stderr] 
Dec 18 16:23:26.168 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:23:26.168 INFO [stderr]  --> src/errors.rs:3:1
Dec 18 16:23:26.168 INFO [stderr]   |
Dec 18 16:23:26.169 INFO [stderr] 3 | / error_chain! {
Dec 18 16:23:26.169 INFO [stderr] 4 | |     foreign_links {
Dec 18 16:23:26.169 INFO [stderr] 5 | |         Darling(darling::Error);
Dec 18 16:23:26.169 INFO [stderr] 6 | |     }
Dec 18 16:23:26.169 INFO [stderr] 7 | | }
Dec 18 16:23:26.169 INFO [stderr]   | |_^
Dec 18 16:23:26.169 INFO [stderr]   |
Dec 18 16:23:26.169 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 16:23:26.169 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 16:23:26.169 INFO [stderr] 
Dec 18 16:23:26.409 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.05s
Dec 18 16:23:26.940 INFO running `"docker" "inspect" "26654625fd27fb678ddb0bc1cee63b8ae9f9ba5bdc9a8431da41cc867fe1ad77"`
Dec 18 16:23:27.184 INFO running `"docker" "rm" "-f" "26654625fd27fb678ddb0bc1cee63b8ae9f9ba5bdc9a8431da41cc867fe1ad77"`
Dec 18 16:23:27.359 INFO [stdout] 26654625fd27fb678ddb0bc1cee63b8ae9f9ba5bdc9a8431da41cc867fe1ad77