Aug 30 04:21:42.697 INFO checking scavenger-1.0.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 04:21:42.697 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 04:21:42.697 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-0/master#ede55518431154bc761f7b2438cce9078c162700:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 04:21:42.958 INFO blam! 329ea6b97bf9a6628bee52c793a8425ba2551704859d9b1e7ebe5f8a78031dd3
Aug 30 04:21:42.960 INFO running `"docker" "start" "-a" "329ea6b97bf9a6628bee52c793a8425ba2551704859d9b1e7ebe5f8a78031dd3"`
Aug 30 04:21:44.134 INFO kablam!    Compiling sys-info v0.5.6
Aug 30 04:21:44.144 INFO kablam!    Compiling scavenger v1.0.0 (file:///source)
Aug 30 04:21:44.149 INFO kablam!     Checking core_affinity v0.5.9
Aug 30 04:21:44.171 INFO kablam!     Checking clap v2.30.0
Aug 30 04:21:44.171 INFO kablam!     Checking log v0.4.4
Aug 30 04:21:44.228 INFO kablam!     Checking serde-value v0.5.2
Aug 30 04:21:44.229 INFO kablam!     Checking webpki-roots v0.15.0
Aug 30 04:21:44.229 INFO kablam!     Checking ct-logs v0.4.0
Aug 30 04:21:46.199 INFO kablam!     Checking stopwatch v0.0.7
Aug 30 04:21:48.248 INFO kablam!     Checking mio v0.6.15
Aug 30 04:21:48.248 INFO kablam!     Checking tokio-io v0.1.8
Aug 30 04:21:48.248 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 30 04:21:48.855 INFO kablam!     Checking want v0.0.6
Aug 30 04:21:49.373 INFO kablam!     Checking rustls v0.13.1
Aug 30 04:21:51.005 INFO kablam!     Checking log4rs v0.8.0
Aug 30 04:21:55.680 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.680 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 30 04:21:55.681 INFO kablam!    |
Aug 30 04:21:55.681 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.681 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.681 INFO kablam!    |
Aug 30 04:21:55.681 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.682 INFO kablam! 
Aug 30 04:21:55.682 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.682 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 30 04:21:55.683 INFO kablam!    |
Aug 30 04:21:55.683 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.683 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.683 INFO kablam!    |
Aug 30 04:21:55.683 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.684 INFO kablam! 
Aug 30 04:21:55.684 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.684 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 30 04:21:55.684 INFO kablam!    |
Aug 30 04:21:55.684 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.684 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.685 INFO kablam!    |
Aug 30 04:21:55.685 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.686 INFO kablam! 
Aug 30 04:21:55.686 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.686 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 30 04:21:55.686 INFO kablam!    |
Aug 30 04:21:55.686 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.686 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.687 INFO kablam!    |
Aug 30 04:21:55.687 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.687 INFO kablam! 
Aug 30 04:21:55.688 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.688 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 30 04:21:55.688 INFO kablam!    |
Aug 30 04:21:55.688 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.688 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.688 INFO kablam!    |
Aug 30 04:21:55.689 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.689 INFO kablam! 
Aug 30 04:21:55.690 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.690 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 30 04:21:55.690 INFO kablam!    |
Aug 30 04:21:55.690 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.690 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.690 INFO kablam!    |
Aug 30 04:21:55.691 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.691 INFO kablam! 
Aug 30 04:21:55.692 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:21:55.692 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 30 04:21:55.692 INFO kablam!    |
Aug 30 04:21:55.692 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 04:21:55.692 INFO kablam!    |   ^^^^^
Aug 30 04:21:55.692 INFO kablam!    |
Aug 30 04:21:55.692 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:21:55.693 INFO kablam! 
Aug 30 04:21:56.052 INFO kablam! error: aborting due to 7 previous errors
Aug 30 04:21:56.056 INFO kablam! 
Aug 30 04:21:56.057 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 04:21:56.081 INFO kablam! error: Could not compile `log4rs`.
Aug 30 04:21:56.081 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 04:22:03.564 INFO kablam! error: build failed
Aug 30 04:22:03.566 INFO kablam! su: No module specific data is present
Aug 30 04:22:04.210 INFO running `"docker" "rm" "-f" "329ea6b97bf9a6628bee52c793a8425ba2551704859d9b1e7ebe5f8a78031dd3"`
Aug 30 04:22:04.332 INFO blam! 329ea6b97bf9a6628bee52c793a8425ba2551704859d9b1e7ebe5f8a78031dd3