Aug 31 16:18:19.552 INFO checking routing-0.33.2 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 16:18:19.552 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 16:18:19.553 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/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 16:18:19.782 INFO blam! 8225cd94b7b0e1d7a1902c176620ef1990443be05d1599d59bc1d8c9b2e4b156
Aug 31 16:18:19.784 INFO running `"docker" "start" "-a" "8225cd94b7b0e1d7a1902c176620ef1990443be05d1599d59bc1d8c9b2e4b156"`
Aug 31 16:18:21.056 INFO kablam!    Compiling rust_sodium-sys v0.5.0
Aug 31 16:18:21.056 INFO kablam!     Checking log4rs v0.7.0
Aug 31 16:18:22.816 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 16:18:22.816 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 31 16:18:22.817 INFO kablam!    |
Aug 31 16:18:22.817 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.817 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.822 INFO kablam!    |
Aug 31 16:18:22.822 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.823 INFO kablam! 
Aug 31 16:18:22.823 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 16:18:22.823 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 31 16:18:22.823 INFO kablam!    |
Aug 31 16:18:22.823 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.823 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.823 INFO kablam!    |
Aug 31 16:18:22.823 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.823 INFO kablam! 
Aug 31 16:18:22.823 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 16:18:22.823 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 16:18:22.823 INFO kablam!    |
Aug 31 16:18:22.823 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.823 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.823 INFO kablam!    |
Aug 31 16:18:22.823 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.823 INFO kablam! 
Aug 31 16:18:22.823 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 16:18:22.823 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 31 16:18:22.823 INFO kablam!    |
Aug 31 16:18:22.824 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.824 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.824 INFO kablam!    |
Aug 31 16:18:22.824 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.824 INFO kablam! 
Aug 31 16:18:22.824 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 16:18:22.824 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 16:18:22.824 INFO kablam!    |
Aug 31 16:18:22.824 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.824 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.824 INFO kablam!    |
Aug 31 16:18:22.824 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.824 INFO kablam! 
Aug 31 16:18:22.825 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 16:18:22.825 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 16:18:22.825 INFO kablam!    |
Aug 31 16:18:22.825 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.825 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.825 INFO kablam!    |
Aug 31 16:18:22.826 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.826 INFO kablam! 
Aug 31 16:18:22.826 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 16:18:22.826 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 31 16:18:22.826 INFO kablam!    |
Aug 31 16:18:22.826 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 16:18:22.826 INFO kablam!    |   ^^^^^
Aug 31 16:18:22.830 INFO kablam!    |
Aug 31 16:18:22.830 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 16:18:22.830 INFO kablam! 
Aug 31 16:18:23.001 INFO kablam! error: aborting due to 7 previous errors
Aug 31 16:18:23.001 INFO kablam! 
Aug 31 16:18:23.001 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 16:18:23.015 INFO kablam! error: Could not compile `log4rs`.
Aug 31 16:18:23.016 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 16:18:23.530 INFO kablam! error: build failed
Aug 31 16:18:23.532 INFO kablam! su: No module specific data is present
Aug 31 16:18:24.029 INFO running `"docker" "rm" "-f" "8225cd94b7b0e1d7a1902c176620ef1990443be05d1599d59bc1d8c9b2e4b156"`
Aug 31 16:18:24.175 INFO blam! 8225cd94b7b0e1d7a1902c176620ef1990443be05d1599d59bc1d8c9b2e4b156