Sep 04 07:04:06.461 INFO checking self_encryption-0.11.2 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 07:04:06.461 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 07:04:06.461 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/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 07:04:06.598 INFO blam! 107e90395e50818e52b9214742320317b8cbbf410f38394b5524b3069e9ea47f
Sep 04 07:04:06.599 INFO running `"docker" "start" "-a" "107e90395e50818e52b9214742320317b8cbbf410f38394b5524b3069e9ea47f"`
Sep 04 07:04:07.351 INFO kablam!    Compiling adler32 v1.0.3
Sep 04 07:04:07.352 INFO kablam!    Compiling podio v0.1.6
Sep 04 07:04:07.352 INFO kablam!    Compiling unwrap v1.1.0
Sep 04 07:04:07.357 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 04 07:04:07.359 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 04 07:04:07.360 INFO kablam!    Compiling msdos_time v0.1.6
Sep 04 07:04:07.361 INFO kablam!    Compiling crc v1.8.1
Sep 04 07:04:07.361 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 04 07:04:08.861 INFO kablam!     Checking url v1.5.1
Sep 04 07:04:08.926 INFO kablam!    Compiling flate2 v0.2.20
Sep 04 07:04:09.318 INFO kablam!    Compiling bzip2 v0.3.3
Sep 04 07:04:09.321 INFO kablam!     Checking config_file_handler v0.8.3
Sep 04 07:04:09.324 INFO kablam!     Checking log4rs v0.7.0
Sep 04 07:04:09.389 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 04 07:04:11.760 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 07:04:11.760 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 04 07:04:11.760 INFO kablam!    |
Sep 04 07:04:11.760 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.760 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.764 INFO kablam!    |
Sep 04 07:04:11.764 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.764 INFO kablam! 
Sep 04 07:04:11.765 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 07:04:11.765 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 04 07:04:11.765 INFO kablam!    |
Sep 04 07:04:11.765 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.765 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.765 INFO kablam!    |
Sep 04 07:04:11.765 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.765 INFO kablam! 
Sep 04 07:04:11.765 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 07:04:11.765 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 07:04:11.765 INFO kablam!    |
Sep 04 07:04:11.765 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.765 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.765 INFO kablam!    |
Sep 04 07:04:11.765 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.765 INFO kablam! 
Sep 04 07:04:11.765 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 07:04:11.765 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 07:04:11.765 INFO kablam!    |
Sep 04 07:04:11.766 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.766 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.766 INFO kablam!    |
Sep 04 07:04:11.766 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.766 INFO kablam! 
Sep 04 07:04:11.766 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 07:04:11.766 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 07:04:11.766 INFO kablam!    |
Sep 04 07:04:11.766 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.766 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.766 INFO kablam!    |
Sep 04 07:04:11.766 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.766 INFO kablam! 
Sep 04 07:04:11.766 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 07:04:11.766 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 07:04:11.766 INFO kablam!    |
Sep 04 07:04:11.766 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.766 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.766 INFO kablam!    |
Sep 04 07:04:11.766 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.766 INFO kablam! 
Sep 04 07:04:11.766 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 07:04:11.766 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 04 07:04:11.767 INFO kablam!    |
Sep 04 07:04:11.767 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 07:04:11.767 INFO kablam!    |   ^^^^^
Sep 04 07:04:11.767 INFO kablam!    |
Sep 04 07:04:11.767 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:11.767 INFO kablam! 
Sep 04 07:04:11.923 INFO kablam! error: aborting due to 7 previous errors
Sep 04 07:04:11.923 INFO kablam! 
Sep 04 07:04:11.923 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 07:04:11.944 INFO kablam! error: Could not compile `log4rs`.
Sep 04 07:04:11.945 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:04:18.369 INFO kablam! error: build failed
Sep 04 07:04:18.371 INFO kablam! su: No module specific data is present
Sep 04 07:04:18.746 INFO running `"docker" "rm" "-f" "107e90395e50818e52b9214742320317b8cbbf410f38394b5524b3069e9ea47f"`
Sep 04 07:04:18.829 INFO blam! 107e90395e50818e52b9214742320317b8cbbf410f38394b5524b3069e9ea47f