Dec 02 16:32:15.548 INFO testing slog-config-0.4.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 16:32:15.548 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 16:32:16.063 INFO [stdout] 5c51c424253a9af1baf4c2a2046b50eed236f1687d03a536f89db0184f8729fb
Dec 02 16:32:16.066 INFO running `"docker" "start" "-a" "5c51c424253a9af1baf4c2a2046b50eed236f1687d03a536f89db0184f8729fb"`
Dec 02 16:32:16.875 INFO [stderr] usermod: no changes
Dec 02 16:32:16.961 INFO [stderr] warning: Package `toml v0.4.9` 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 02 16:32:17.063 INFO [stderr]    Compiling toml v0.4.9
Dec 02 16:32:17.063 INFO [stderr]    Compiling slog-json v2.2.0
Dec 02 16:32:17.063 INFO [stderr]    Compiling slog-term v2.4.0
Dec 02 16:32:23.263 INFO [stderr]    Compiling slog-config v0.4.0 (/source)
Dec 02 16:32:24.515 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 16:32:24.515 INFO [stderr]  --> src/lib.rs:6:1
Dec 02 16:32:24.515 INFO [stderr]   |
Dec 02 16:32:24.515 INFO [stderr] 6 | #![feature(custom_derive)]
Dec 02 16:32:24.515 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 16:32:24.515 INFO [stderr] 
Dec 02 16:32:24.515 INFO [stderr] error: aborting due to previous error
Dec 02 16:32:24.515 INFO [stderr] 
Dec 02 16:32:24.515 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 16:32:24.526 INFO [stderr] error: Could not compile `slog-config`.
Dec 02 16:32:24.526 INFO [stderr] 
Dec 02 16:32:24.526 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 16:32:24.527 INFO [stderr] su: No module specific data is present
Dec 02 16:32:25.304 INFO running `"docker" "inspect" "5c51c424253a9af1baf4c2a2046b50eed236f1687d03a536f89db0184f8729fb"`
Dec 02 16:32:25.691 INFO running `"docker" "rm" "-f" "5c51c424253a9af1baf4c2a2046b50eed236f1687d03a536f89db0184f8729fb"`
Dec 02 16:32:25.978 INFO [stdout] 5c51c424253a9af1baf4c2a2046b50eed236f1687d03a536f89db0184f8729fb
