Aug 31 14:38:56.769 INFO checking scavenger-1.0.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 14:38:56.769 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 14:38:56.769 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 14:38:56.946 INFO blam! eccd21b5dcda1fa7aae884fd1893fb560d686e7194fa2d18b70d1820d90f0397
Aug 31 14:38:56.946 INFO running `"docker" "start" "-a" "eccd21b5dcda1fa7aae884fd1893fb560d686e7194fa2d18b70d1820d90f0397"`
Aug 31 14:38:57.972 INFO kablam!    Compiling scavenger v1.0.0 (file:///source)
Aug 31 14:38:57.974 INFO kablam!     Checking core_affinity v0.5.9
Aug 31 14:38:57.976 INFO kablam!     Checking clap v2.30.0
Aug 31 14:38:57.978 INFO kablam!     Checking want v0.0.6
Aug 31 14:38:57.979 INFO kablam!     Checking chrono v0.4.6
Aug 31 14:38:57.980 INFO kablam!     Checking mio-uds v0.6.6
Aug 31 14:38:57.980 INFO kablam!     Checking tokio-codec v0.1.0
Aug 31 14:38:57.981 INFO kablam!     Checking tokio-reactor v0.1.5
Aug 31 14:38:58.823 INFO kablam!     Checking h2 v0.1.12
Aug 31 14:38:59.443 INFO kablam!     Checking rustls v0.13.1
Aug 31 14:39:00.227 INFO kablam!     Checking tokio-fs v0.1.3
Aug 31 14:39:00.491 INFO kablam!     Checking stopwatch v0.0.7
Aug 31 14:39:04.867 INFO kablam!     Checking tokio-uds v0.2.1
Aug 31 14:39:04.867 INFO kablam!     Checking tokio-udp v0.1.2
Aug 31 14:39:06.263 INFO kablam!     Checking tokio-tcp v0.1.1
Aug 31 14:39:12.229 INFO kablam!     Checking tokio v0.1.8
Aug 31 14:39:12.603 INFO kablam!     Checking log4rs v0.8.0
Aug 31 14:39:15.613 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 14:39:15.613 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 31 14:39:15.613 INFO kablam!    |
Aug 31 14:39:15.613 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.613 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.613 INFO kablam!    |
Aug 31 14:39:15.613 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.614 INFO kablam! 
Aug 31 14:39:15.615 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 14:39:15.615 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 31 14:39:15.615 INFO kablam!    |
Aug 31 14:39:15.615 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.615 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.615 INFO kablam!    |
Aug 31 14:39:15.615 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.615 INFO kablam! 
Aug 31 14:39:15.615 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 14:39:15.615 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 14:39:15.615 INFO kablam!    |
Aug 31 14:39:15.615 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.615 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.615 INFO kablam!    |
Aug 31 14:39:15.616 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.616 INFO kablam! 
Aug 31 14:39:15.616 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 14:39:15.616 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 14:39:15.616 INFO kablam!    |
Aug 31 14:39:15.616 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.616 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.616 INFO kablam!    |
Aug 31 14:39:15.616 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.616 INFO kablam! 
Aug 31 14:39:15.616 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 14:39:15.616 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 14:39:15.616 INFO kablam!    |
Aug 31 14:39:15.616 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.616 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.616 INFO kablam!    |
Aug 31 14:39:15.616 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.616 INFO kablam! 
Aug 31 14:39:15.616 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 14:39:15.616 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 14:39:15.616 INFO kablam!    |
Aug 31 14:39:15.616 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.617 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.617 INFO kablam!    |
Aug 31 14:39:15.617 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.617 INFO kablam! 
Aug 31 14:39:15.627 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 14:39:15.627 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 31 14:39:15.627 INFO kablam!    |
Aug 31 14:39:15.627 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 14:39:15.627 INFO kablam!    |   ^^^^^
Aug 31 14:39:15.627 INFO kablam!    |
Aug 31 14:39:15.627 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:39:15.627 INFO kablam! 
Aug 31 14:39:15.787 INFO kablam! error: aborting due to 7 previous errors
Aug 31 14:39:15.787 INFO kablam! 
Aug 31 14:39:15.787 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 14:39:15.798 INFO kablam! error: Could not compile `log4rs`.
Aug 31 14:39:15.799 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 14:39:20.184 INFO kablam! error: build failed
Aug 31 14:39:20.186 INFO kablam! su: No module specific data is present
Aug 31 14:39:20.748 INFO running `"docker" "rm" "-f" "eccd21b5dcda1fa7aae884fd1893fb560d686e7194fa2d18b70d1820d90f0397"`
Aug 31 14:39:20.878 INFO blam! eccd21b5dcda1fa7aae884fd1893fb560d686e7194fa2d18b70d1820d90f0397