Dec 12 07:24:12.158 INFO checking slog-config-0.4.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:24:12.158 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:24:12.744 INFO [stdout] 06de7611f45aca073b52332c9a5e403ab8a0d550f4775559feab118de1350773
Dec 12 07:24:12.752 INFO running `"docker" "start" "-a" "06de7611f45aca073b52332c9a5e403ab8a0d550f4775559feab118de1350773"`
Dec 12 07:24:14.500 INFO [stderr] usermod: no changes
Dec 12 07:24:14.645 INFO [stderr] warning: Package `toml v0.4.10` does not have feature `serde`. It has a required dependency with that name, but only optional dependencies can be used as features. This is currently a warning to ease the transition, but it will become an error in the future.
Dec 12 07:24:14.688 INFO [stderr]     Checking toml v0.4.10
Dec 12 07:24:14.692 INFO [stderr]     Checking slog-term v2.4.0
Dec 12 07:24:17.368 INFO [stderr]     Checking slog-config v0.4.0 (/source)
Dec 12 07:24:17.484 INFO [stderr] error[E0557]: feature has been removed
Dec 12 07:24:17.484 INFO [stderr]  --> src/lib.rs:6:12
Dec 12 07:24:17.484 INFO [stderr]   |
Dec 12 07:24:17.484 INFO [stderr] 6 | #![feature(custom_derive)]
Dec 12 07:24:17.484 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 12 07:24:17.484 INFO [stderr]   |
Dec 12 07:24:17.484 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 12 07:24:17.484 INFO [stderr]  --> src/lib.rs:6:12
Dec 12 07:24:17.484 INFO [stderr]   |
Dec 12 07:24:17.484 INFO [stderr] 6 | #![feature(custom_derive)]
Dec 12 07:24:17.484 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 12 07:24:17.484 INFO [stderr] 
Dec 12 07:24:17.524 INFO [stderr] error[E0557]: feature has been removed
Dec 12 07:24:17.524 INFO [stderr]  --> src/lib.rs:6:12
Dec 12 07:24:17.524 INFO [stderr]   |
Dec 12 07:24:17.524 INFO [stderr] 6 | #![feature(custom_derive)]
Dec 12 07:24:17.525 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 12 07:24:17.525 INFO [stderr]   |
Dec 12 07:24:17.525 INFO [stderr] note: subsumed by `#[proc_macro_derive]`
Dec 12 07:24:17.525 INFO [stderr]  --> src/lib.rs:6:12
Dec 12 07:24:17.525 INFO [stderr]   |
Dec 12 07:24:17.525 INFO [stderr] 6 | #![feature(custom_derive)]
Dec 12 07:24:17.525 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 12 07:24:17.525 INFO [stderr] 
Dec 12 07:24:19.480 INFO [stderr] error: aborting due to previous error
Dec 12 07:24:19.480 INFO [stderr] 
Dec 12 07:24:19.480 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 12 07:24:19.480 INFO [stderr] error: Could not compile `slog-config`.
Dec 12 07:24:19.480 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 07:24:19.772 INFO [stderr] error: aborting due to previous error
Dec 12 07:24:19.772 INFO [stderr] 
Dec 12 07:24:19.772 INFO [stderr] For more information about this error, try `rustc --explain E0557`.
Dec 12 07:24:19.775 INFO [stderr] error: Could not compile `slog-config`.
Dec 12 07:24:19.775 INFO [stderr] 
Dec 12 07:24:19.775 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 07:24:19.779 INFO [stderr] su: No module specific data is present
Dec 12 07:24:20.550 INFO running `"docker" "inspect" "06de7611f45aca073b52332c9a5e403ab8a0d550f4775559feab118de1350773"`
Dec 12 07:24:20.908 INFO running `"docker" "rm" "-f" "06de7611f45aca073b52332c9a5e403ab8a0d550f4775559feab118de1350773"`
Dec 12 07:24:21.239 INFO [stdout] 06de7611f45aca073b52332c9a5e403ab8a0d550f4775559feab118de1350773