Sep 01 07:13:44.129 INFO checking self_encryption-0.12.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 07:13:44.129 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 07:13:44.129 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:13:44.292 INFO blam! 3c91491edd0414de2a2e017e1f8b7f5f76cbbedda83e6e8af731951f739ec25e
Sep 01 07:13:44.294 INFO running `"docker" "start" "-a" "3c91491edd0414de2a2e017e1f8b7f5f76cbbedda83e6e8af731951f739ec25e"`
Sep 01 07:13:45.105 INFO kablam!    Compiling podio v0.1.6
Sep 01 07:13:45.105 INFO kablam!    Compiling unwrap v1.1.0
Sep 01 07:13:45.108 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 01 07:13:45.108 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 01 07:13:45.109 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 01 07:13:45.118 INFO kablam!    Compiling msdos_time v0.1.6
Sep 01 07:13:45.120 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 01 07:13:45.126 INFO kablam!     Checking url v1.5.1
Sep 01 07:13:46.411 INFO kablam!    Compiling bzip2 v0.3.3
Sep 01 07:13:46.530 INFO kablam!     Checking config_file_handler v0.9.0
Sep 01 07:13:47.227 INFO kablam!     Checking log4rs v0.7.0
Sep 01 07:13:50.053 INFO kablam!     Checking ws v0.7.3
Sep 01 07:13:50.125 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 01 07:13:50.125 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 01 07:13:50.125 INFO kablam!    |
Sep 01 07:13:50.125 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.125 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.125 INFO kablam!    |
Sep 01 07:13:50.125 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.125 INFO kablam! 
Sep 01 07:13:50.126 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 01 07:13:50.126 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 01 07:13:50.126 INFO kablam!    |
Sep 01 07:13:50.126 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.126 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.126 INFO kablam!    |
Sep 01 07:13:50.126 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.126 INFO kablam! 
Sep 01 07:13:50.127 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 01 07:13:50.127 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 01 07:13:50.127 INFO kablam!    |
Sep 01 07:13:50.127 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.127 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.127 INFO kablam!    |
Sep 01 07:13:50.127 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.127 INFO kablam! 
Sep 01 07:13:50.127 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 01 07:13:50.127 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 01 07:13:50.127 INFO kablam!    |
Sep 01 07:13:50.127 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.127 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.127 INFO kablam!    |
Sep 01 07:13:50.127 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.127 INFO kablam! 
Sep 01 07:13:50.127 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 01 07:13:50.127 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 01 07:13:50.127 INFO kablam!    |
Sep 01 07:13:50.127 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.127 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.127 INFO kablam!    |
Sep 01 07:13:50.127 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.127 INFO kablam! 
Sep 01 07:13:50.127 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 01 07:13:50.128 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 01 07:13:50.128 INFO kablam!    |
Sep 01 07:13:50.128 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.128 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.128 INFO kablam!    |
Sep 01 07:13:50.128 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.128 INFO kablam! 
Sep 01 07:13:50.130 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 01 07:13:50.130 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 01 07:13:50.130 INFO kablam!    |
Sep 01 07:13:50.130 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 07:13:50.130 INFO kablam!    |   ^^^^^
Sep 01 07:13:50.130 INFO kablam!    |
Sep 01 07:13:50.130 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:50.130 INFO kablam! 
Sep 01 07:13:50.388 INFO kablam! error: aborting due to 7 previous errors
Sep 01 07:13:50.389 INFO kablam! 
Sep 01 07:13:50.389 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 07:13:50.399 INFO kablam! error: Could not compile `log4rs`.
Sep 01 07:13:50.400 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:13:56.291 INFO kablam! error: build failed
Sep 01 07:13:56.292 INFO kablam! su: No module specific data is present
Sep 01 07:13:56.670 INFO running `"docker" "rm" "-f" "3c91491edd0414de2a2e017e1f8b7f5f76cbbedda83e6e8af731951f739ec25e"`
Sep 01 07:13:56.775 INFO blam! 3c91491edd0414de2a2e017e1f8b7f5f76cbbedda83e6e8af731951f739ec25e