Aug 31 22:20:55.655 INFO checking log4rs-0.7.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 22:20:55.655 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 22:20:55.655 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/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 22:20:55.826 INFO blam! 93a3905d24464663e15831f8824e41cd25765667b7c48de3b1a7db4ff2320b24
Aug 31 22:20:55.828 INFO running `"docker" "start" "-a" "93a3905d24464663e15831f8824e41cd25765667b7c48de3b1a7db4ff2320b24"`
Aug 31 22:20:56.556 INFO kablam!     Checking log4rs v0.7.0 (file:///source)
Aug 31 22:20:57.998 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 22:20:57.998 INFO kablam!   --> src/append/file.rs:25:3
Aug 31 22:20:57.998 INFO kablam!    |
Aug 31 22:20:57.998 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 22:20:57.998 INFO kablam!    |   ^^^^^
Aug 31 22:20:57.998 INFO kablam!    |
Aug 31 22:20:57.998 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:57.998 INFO kablam! 
Aug 31 22:20:57.999 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 22:20:57.999 INFO kablam!   --> src/append/console.rs:24:3
Aug 31 22:20:57.999 INFO kablam!    |
Aug 31 22:20:57.999 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 22:20:57.999 INFO kablam!    |   ^^^^^
Aug 31 22:20:57.999 INFO kablam!    |
Aug 31 22:20:57.999 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:57.999 INFO kablam! 
Aug 31 22:20:57.999 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 22:20:57.999 INFO kablam!   --> src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 22:20:57.999 INFO kablam!    |
Aug 31 22:20:57.999 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 22:20:57.999 INFO kablam!    |   ^^^^^
Aug 31 22:20:57.999 INFO kablam!    |
Aug 31 22:20:57.999 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:57.999 INFO kablam! 
Aug 31 22:20:58.000 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 22:20:58.000 INFO kablam!   --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 31 22:20:58.000 INFO kablam!    |
Aug 31 22:20:58.000 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.000 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.000 INFO kablam!    |
Aug 31 22:20:58.000 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.000 INFO kablam! 
Aug 31 22:20:58.000 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 22:20:58.000 INFO kablam!   --> src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 22:20:58.000 INFO kablam!    |
Aug 31 22:20:58.000 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.000 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.000 INFO kablam!    |
Aug 31 22:20:58.000 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.000 INFO kablam! 
Aug 31 22:20:58.000 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 22:20:58.001 INFO kablam!   --> src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 22:20:58.001 INFO kablam!    |
Aug 31 22:20:58.001 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.001 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.001 INFO kablam!    |
Aug 31 22:20:58.001 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.001 INFO kablam! 
Aug 31 22:20:58.001 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 22:20:58.001 INFO kablam!   --> src/append/rolling_file/mod.rs:46:3
Aug 31 22:20:58.001 INFO kablam!    |
Aug 31 22:20:58.001 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.001 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.001 INFO kablam!    |
Aug 31 22:20:58.001 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.001 INFO kablam! 
Aug 31 22:20:58.094 INFO kablam! error: aborting due to 7 previous errors
Aug 31 22:20:58.094 INFO kablam! 
Aug 31 22:20:58.094 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 22:20:58.101 INFO kablam! error: Could not compile `log4rs`.
Aug 31 22:20:58.101 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 22:20:58.104 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 22:20:58.105 INFO kablam!   --> src/append/file.rs:25:3
Aug 31 22:20:58.105 INFO kablam!    |
Aug 31 22:20:58.105 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.105 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.105 INFO kablam!    |
Aug 31 22:20:58.105 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.105 INFO kablam! 
Aug 31 22:20:58.105 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 22:20:58.105 INFO kablam!   --> src/append/console.rs:24:3
Aug 31 22:20:58.105 INFO kablam!    |
Aug 31 22:20:58.105 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.105 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.105 INFO kablam!    |
Aug 31 22:20:58.105 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.105 INFO kablam! 
Aug 31 22:20:58.106 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 22:20:58.106 INFO kablam!   --> src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.106 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.106 INFO kablam! 
Aug 31 22:20:58.106 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 22:20:58.106 INFO kablam!   --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.106 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.106 INFO kablam! 
Aug 31 22:20:58.106 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 22:20:58.106 INFO kablam!   --> src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.106 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.106 INFO kablam! 
Aug 31 22:20:58.106 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 22:20:58.106 INFO kablam!   --> src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.106 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.106 INFO kablam! 
Aug 31 22:20:58.106 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 22:20:58.106 INFO kablam!   --> src/append/rolling_file/mod.rs:46:3
Aug 31 22:20:58.106 INFO kablam!    |
Aug 31 22:20:58.106 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 22:20:58.106 INFO kablam!    |   ^^^^^
Aug 31 22:20:58.107 INFO kablam!    |
Aug 31 22:20:58.107 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 22:20:58.107 INFO kablam! 
Aug 31 22:20:58.228 INFO kablam! error: aborting due to 7 previous errors
Aug 31 22:20:58.228 INFO kablam! 
Aug 31 22:20:58.228 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 22:20:58.242 INFO kablam! error: Could not compile `log4rs`.
Aug 31 22:20:58.243 INFO kablam! 
Aug 31 22:20:58.243 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 22:20:58.244 INFO kablam! su: No module specific data is present
Aug 31 22:20:58.686 INFO running `"docker" "rm" "-f" "93a3905d24464663e15831f8824e41cd25765667b7c48de3b1a7db4ff2320b24"`
Aug 31 22:20:58.787 INFO blam! 93a3905d24464663e15831f8824e41cd25765667b7c48de3b1a7db4ff2320b24