Sep 04 07:04:06.710 INFO checking self_encryption-0.11.2 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 07:04:06.710 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 07:04:06.710 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:04:06.889 INFO blam! 53f18458b3c00d67d54c7b18611d6f34e4f1d1f4bf97ac1e5885921dd4bb781f
Sep 04 07:04:06.891 INFO running `"docker" "start" "-a" "53f18458b3c00d67d54c7b18611d6f34e4f1d1f4bf97ac1e5885921dd4bb781f"`
Sep 04 07:04:07.586 INFO kablam!    Compiling adler32 v1.0.3
Sep 04 07:04:07.586 INFO kablam!    Compiling podio v0.1.6
Sep 04 07:04:07.587 INFO kablam!    Compiling unwrap v1.1.0
Sep 04 07:04:07.590 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 04 07:04:07.591 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 04 07:04:07.592 INFO kablam!    Compiling msdos_time v0.1.6
Sep 04 07:04:07.593 INFO kablam!    Compiling crc v1.8.1
Sep 04 07:04:07.593 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 04 07:04:08.602 INFO kablam!     Checking url v1.5.1
Sep 04 07:04:08.856 INFO kablam!    Compiling flate2 v0.2.20
Sep 04 07:04:08.947 INFO kablam!     Checking config_file_handler v0.8.3
Sep 04 07:04:09.524 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 04 07:04:09.595 INFO kablam!    Compiling bzip2 v0.3.3
Sep 04 07:04:09.597 INFO kablam!     Checking log4rs v0.7.0
Sep 04 07:04:12.553 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 07:04:12.553 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 04 07:04:12.553 INFO kablam!    |
Sep 04 07:04:12.553 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.553 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.553 INFO kablam!    |
Sep 04 07:04:12.553 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.553 INFO kablam! 
Sep 04 07:04:12.554 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 07:04:12.554 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 04 07:04:12.554 INFO kablam!    |
Sep 04 07:04:12.554 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.554 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.554 INFO kablam!    |
Sep 04 07:04:12.554 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.554 INFO kablam! 
Sep 04 07:04:12.554 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 07:04:12.554 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 07:04:12.554 INFO kablam!    |
Sep 04 07:04:12.554 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.554 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.554 INFO kablam!    |
Sep 04 07:04:12.554 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.554 INFO kablam! 
Sep 04 07:04:12.554 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 07:04:12.554 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 07:04:12.554 INFO kablam!    |
Sep 04 07:04:12.554 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.554 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.554 INFO kablam!    |
Sep 04 07:04:12.554 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.554 INFO kablam! 
Sep 04 07:04:12.554 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 07:04:12.555 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 07:04:12.555 INFO kablam!    |
Sep 04 07:04:12.555 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.555 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.568 INFO kablam!    |
Sep 04 07:04:12.569 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.569 INFO kablam! 
Sep 04 07:04:12.569 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 07:04:12.570 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 07:04:12.570 INFO kablam!    |
Sep 04 07:04:12.570 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.570 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.570 INFO kablam!    |
Sep 04 07:04:12.570 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.570 INFO kablam! 
Sep 04 07:04:12.571 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 07:04:12.571 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 04 07:04:12.571 INFO kablam!    |
Sep 04 07:04:12.571 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 07:04:12.571 INFO kablam!    |   ^^^^^
Sep 04 07:04:12.571 INFO kablam!    |
Sep 04 07:04:12.572 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:04:12.572 INFO kablam! 
Sep 04 07:04:12.893 INFO kablam! error: aborting due to 7 previous errors
Sep 04 07:04:12.893 INFO kablam! 
Sep 04 07:04:12.894 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 07:04:12.904 INFO kablam! error: Could not compile `log4rs`.
Sep 04 07:04:12.905 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:04:18.733 INFO kablam! error: build failed
Sep 04 07:04:18.734 INFO kablam! su: No module specific data is present
Sep 04 07:04:19.434 INFO running `"docker" "rm" "-f" "53f18458b3c00d67d54c7b18611d6f34e4f1d1f4bf97ac1e5885921dd4bb781f"`
Sep 04 07:04:19.516 INFO blam! 53f18458b3c00d67d54c7b18611d6f34e4f1d1f4bf97ac1e5885921dd4bb781f