Dec 18 12:59:31.655 INFO checking pkg-2.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:59:31.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/pkg/2.0.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:59:31.992 INFO [stdout] 503fe88514195b4dc4aa0a140d49193ec65e24bb9b7061ae7527bbe9c687cc90
Dec 18 12:59:31.992 INFO running `"docker" "start" "-a" "503fe88514195b4dc4aa0a140d49193ec65e24bb9b7061ae7527bbe9c687cc90"`
Dec 18 12:59:33.100 INFO [stderr]    Compiling pkg_impl v2.0.0
Dec 18 12:59:33.108 INFO [stderr]     Checking lazy_static v1.2.0
Dec 18 12:59:33.856 INFO [stderr]     Checking pkg v2.0.1 (/opt/crater/workdir)
Dec 18 12:59:34.072 INFO [stderr] error: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 12:59:34.072 INFO [stderr]   --> src/lib.rs:16:12
Dec 18 12:59:34.072 INFO [stderr]    |
Dec 18 12:59:34.072 INFO [stderr] 16 | #![feature(proc_macro)]
Dec 18 12:59:34.072 INFO [stderr]    |            ^^^^^^^^^^
Dec 18 12:59:34.072 INFO [stderr]    |
Dec 18 12:59:34.072 INFO [stderr] note: lint level defined here
Dec 18 12:59:34.072 INFO [stderr]   --> src/lib.rs:14:23
Dec 18 12:59:34.072 INFO [stderr]    |
Dec 18 12:59:34.072 INFO [stderr] 14 | #![deny(missing_docs, warnings)]
Dec 18 12:59:34.072 INFO [stderr]    |                       ^^^^^^^^
Dec 18 12:59:34.072 INFO [stderr]    = note: #[deny(stable_features)] implied by #[deny(warnings)]
Dec 18 12:59:34.072 INFO [stderr] 
Dec 18 12:59:34.076 INFO [stderr] error: aborting due to previous error
Dec 18 12:59:34.076 INFO [stderr] 
Dec 18 12:59:34.088 INFO [stderr] error: Could not compile `pkg`.
Dec 18 12:59:34.088 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 12:59:34.168 INFO [stderr] error: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 12:59:34.168 INFO [stderr]   --> src/lib.rs:16:12
Dec 18 12:59:34.168 INFO [stderr]    |
Dec 18 12:59:34.168 INFO [stderr] 16 | #![feature(proc_macro)]
Dec 18 12:59:34.168 INFO [stderr]    |            ^^^^^^^^^^
Dec 18 12:59:34.168 INFO [stderr]    |
Dec 18 12:59:34.168 INFO [stderr] note: lint level defined here
Dec 18 12:59:34.168 INFO [stderr]   --> src/lib.rs:14:23
Dec 18 12:59:34.168 INFO [stderr]    |
Dec 18 12:59:34.168 INFO [stderr] 14 | #![deny(missing_docs, warnings)]
Dec 18 12:59:34.168 INFO [stderr]    |                       ^^^^^^^^
Dec 18 12:59:34.168 INFO [stderr]    = note: #[deny(stable_features)] implied by #[deny(warnings)]
Dec 18 12:59:34.168 INFO [stderr] 
Dec 18 12:59:34.180 INFO [stderr] error: aborting due to previous error
Dec 18 12:59:34.180 INFO [stderr] 
Dec 18 12:59:34.185 INFO [stderr] error: Could not compile `pkg`.
Dec 18 12:59:34.185 INFO [stderr] 
Dec 18 12:59:34.185 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 12:59:34.516 INFO running `"docker" "inspect" "503fe88514195b4dc4aa0a140d49193ec65e24bb9b7061ae7527bbe9c687cc90"`
Dec 18 12:59:34.736 INFO running `"docker" "rm" "-f" "503fe88514195b4dc4aa0a140d49193ec65e24bb9b7061ae7527bbe9c687cc90"`
Dec 18 12:59:34.847 INFO [stdout] 503fe88514195b4dc4aa0a140d49193ec65e24bb9b7061ae7527bbe9c687cc90