Aug 31 14:38:57.022 INFO checking scavenger-1.0.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 14:38:57.022 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 14:38:57.022 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 14:38:57.238 INFO blam! fe0b839cac5a508f10c4af53942aa1f0cf10b5fe7d2f24dd078ed0962502b2f1
Aug 31 14:38:57.240 INFO running `"docker" "start" "-a" "fe0b839cac5a508f10c4af53942aa1f0cf10b5fe7d2f24dd078ed0962502b2f1"`
Aug 31 14:38:58.567 INFO kablam!    Compiling scavenger v1.0.0 (file:///source)
Aug 31 14:38:58.583 INFO kablam!     Checking core_affinity v0.5.9
Aug 31 14:38:58.607 INFO kablam!     Checking clap v2.30.0
Aug 31 14:38:58.624 INFO kablam!     Checking log v0.4.4
Aug 31 14:38:58.653 INFO kablam!     Checking ct-logs v0.4.0
Aug 31 14:38:58.653 INFO kablam!     Checking webpki-roots v0.15.0
Aug 31 14:38:58.653 INFO kablam!     Checking stopwatch v0.0.7
Aug 31 14:39:01.677 INFO kablam!     Checking mio v0.6.15
Aug 31 14:39:01.680 INFO kablam!     Checking tokio-io v0.1.8
Aug 31 14:39:01.680 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 31 14:39:01.680 INFO kablam!     Checking want v0.0.6
Aug 31 14:39:01.682 INFO kablam!     Checking rustls v0.13.1
Aug 31 14:39:01.683 INFO kablam!     Checking log4rs v0.8.0
Aug 31 14:39:06.593 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 31 14:39:06.593 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 31 14:39:06.593 INFO kablam!    |
Aug 31 14:39:06.593 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.593 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.593 INFO kablam!    |
Aug 31 14:39:06.593 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.593 INFO kablam! 
Aug 31 14:39:06.594 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 31 14:39:06.594 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 31 14:39:06.594 INFO kablam!    |
Aug 31 14:39:06.594 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.594 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.594 INFO kablam!    |
Aug 31 14:39:06.594 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.594 INFO kablam! 
Aug 31 14:39:06.594 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 31 14:39:06.595 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 31 14:39:06.595 INFO kablam!    |
Aug 31 14:39:06.595 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.595 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.595 INFO kablam!    |
Aug 31 14:39:06.595 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.595 INFO kablam! 
Aug 31 14:39:06.595 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 31 14:39:06.595 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 31 14:39:06.595 INFO kablam!    |
Aug 31 14:39:06.595 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.595 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.595 INFO kablam!    |
Aug 31 14:39:06.595 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.595 INFO kablam! 
Aug 31 14:39:06.595 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 31 14:39:06.595 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 31 14:39:06.595 INFO kablam!    |
Aug 31 14:39:06.596 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.596 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.596 INFO kablam!    |
Aug 31 14:39:06.596 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.596 INFO kablam! 
Aug 31 14:39:06.596 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 31 14:39:06.596 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 14:39:06.596 INFO kablam!    |
Aug 31 14:39:06.596 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.596 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.596 INFO kablam!    |
Aug 31 14:39:06.596 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.597 INFO kablam! 
Aug 31 14:39:06.597 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 31 14:39:06.597 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 31 14:39:06.597 INFO kablam!    |
Aug 31 14:39:06.597 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 14:39:06.597 INFO kablam!    |   ^^^^^
Aug 31 14:39:06.597 INFO kablam!    |
Aug 31 14:39:06.597 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:06.597 INFO kablam! 
Aug 31 14:39:07.066 INFO kablam! error: aborting due to 7 previous errors
Aug 31 14:39:07.066 INFO kablam! 
Aug 31 14:39:07.066 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 14:39:07.095 INFO kablam! error: Could not compile `log4rs`.
Aug 31 14:39:07.095 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 14:39:17.962 INFO kablam! error: build failed
Aug 31 14:39:17.965 INFO kablam! su: No module specific data is present
Aug 31 14:39:18.545 INFO running `"docker" "rm" "-f" "fe0b839cac5a508f10c4af53942aa1f0cf10b5fe7d2f24dd078ed0962502b2f1"`
Aug 31 14:39:18.703 INFO blam! fe0b839cac5a508f10c4af53942aa1f0cf10b5fe7d2f24dd078ed0962502b2f1