Sep 04 07:06:01.859 INFO checking secure_serialisation-0.5.0 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 07:06:01.859 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 07:06:01.859 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:06:02.055 INFO blam! 01467ba99fc019a2ce72234be9bc28678900e3574c1ec0c7af30d3b91fc1e134
Sep 04 07:06:02.058 INFO running `"docker" "start" "-a" "01467ba99fc019a2ce72234be9bc28678900e3574c1ec0c7af30d3b91fc1e134"`
Sep 04 07:06:03.141 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 04 07:06:03.141 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Sep 04 07:06:03.141 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 04 07:06:03.149 INFO kablam!    Compiling msdos_time v0.1.6
Sep 04 07:06:03.152 INFO kablam!    Compiling crc v1.8.1
Sep 04 07:06:03.154 INFO kablam!     Checking url v1.5.1
Sep 04 07:06:03.155 INFO kablam!     Checking config_file_handler v0.8.3
Sep 04 07:06:03.157 INFO kablam!     Checking log4rs v0.7.0
Sep 04 07:06:05.652 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)
Sep 04 07:06:05.652 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 04 07:06:05.652 INFO kablam!    |
Sep 04 07:06:05.652 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.652 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.652 INFO kablam!    |
Sep 04 07:06:05.652 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.652 INFO kablam! 
Sep 04 07:06:05.653 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)
Sep 04 07:06:05.653 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 04 07:06:05.653 INFO kablam!    |
Sep 04 07:06:05.653 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.653 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.653 INFO kablam!    |
Sep 04 07:06:05.653 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.653 INFO kablam! 
Sep 04 07:06:05.653 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)
Sep 04 07:06:05.653 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 04 07:06:05.653 INFO kablam!    |
Sep 04 07:06:05.653 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.653 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.653 INFO kablam!    |
Sep 04 07:06:05.653 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.653 INFO kablam! 
Sep 04 07:06:05.653 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)
Sep 04 07:06:05.653 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
Sep 04 07:06:05.653 INFO kablam!    |
Sep 04 07:06:05.653 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.653 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.653 INFO kablam!    |
Sep 04 07:06:05.653 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.654 INFO kablam! 
Sep 04 07:06:05.654 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)
Sep 04 07:06:05.654 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 04 07:06:05.654 INFO kablam!    |
Sep 04 07:06:05.654 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.654 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.654 INFO kablam!    |
Sep 04 07:06:05.654 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.654 INFO kablam! 
Sep 04 07:06:05.654 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)
Sep 04 07:06:05.654 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 04 07:06:05.654 INFO kablam!    |
Sep 04 07:06:05.654 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.654 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.654 INFO kablam!    |
Sep 04 07:06:05.654 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.654 INFO kablam! 
Sep 04 07:06:05.654 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)
Sep 04 07:06:05.654 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 04 07:06:05.655 INFO kablam!    |
Sep 04 07:06:05.655 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 07:06:05.655 INFO kablam!    |   ^^^^^
Sep 04 07:06:05.655 INFO kablam!    |
Sep 04 07:06:05.655 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:06:05.655 INFO kablam! 
Sep 04 07:06:05.845 INFO kablam! error: aborting due to 7 previous errors
Sep 04 07:06:05.846 INFO kablam! 
Sep 04 07:06:05.846 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 07:06:05.856 INFO kablam! error: Could not compile `log4rs`.
Sep 04 07:06:05.857 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:06:07.340 INFO kablam! error: build failed
Sep 04 07:06:07.341 INFO kablam! su: No module specific data is present
Sep 04 07:06:08.091 INFO running `"docker" "rm" "-f" "01467ba99fc019a2ce72234be9bc28678900e3574c1ec0c7af30d3b91fc1e134"`
Sep 04 07:06:08.178 INFO blam! 01467ba99fc019a2ce72234be9bc28678900e3574c1ec0c7af30d3b91fc1e134