Sep 01 07:13:43.999 INFO checking self_encryption-0.12.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 07:13:43.999 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 07:13:43.999 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:13:44.166 INFO blam! c41c2d5d9bc064bf91f638fb04849297adbd7ec4299ec3dd11af4036226d9025
Sep 01 07:13:44.167 INFO running `"docker" "start" "-a" "c41c2d5d9bc064bf91f638fb04849297adbd7ec4299ec3dd11af4036226d9025"`
Sep 01 07:13:44.911 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 01 07:13:44.913 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 01 07:13:44.913 INFO kablam!    Compiling xattr v0.2.2
Sep 01 07:13:44.917 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 01 07:13:44.918 INFO kablam!    Compiling msdos_time v0.1.6
Sep 01 07:13:44.919 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 01 07:13:44.919 INFO kablam!    Compiling miniz-sys v0.1.10
Sep 01 07:13:44.920 INFO kablam!     Checking url v1.5.1
Sep 01 07:13:46.055 INFO kablam!     Checking config_file_handler v0.9.0
Sep 01 07:13:46.068 INFO kablam!    Compiling bzip2 v0.3.3
Sep 01 07:13:46.329 INFO kablam!    Compiling flate2 v0.2.20
Sep 01 07:13:46.446 INFO kablam!     Checking log4rs v0.7.0
Sep 01 07:13:48.579 INFO kablam!    Compiling tar v0.4.16
Sep 01 07:13:49.511 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 07:13:49.511 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 01 07:13:49.511 INFO kablam!    |
Sep 01 07:13:49.511 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.511 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.511 INFO kablam!    |
Sep 01 07:13:49.511 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.511 INFO kablam! 
Sep 01 07:13:49.513 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 07:13:49.513 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 01 07:13:49.513 INFO kablam!    |
Sep 01 07:13:49.513 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.513 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.513 INFO kablam!    |
Sep 01 07:13:49.513 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.513 INFO kablam! 
Sep 01 07:13:49.513 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 07:13:49.513 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 07:13:49.513 INFO kablam!    |
Sep 01 07:13:49.513 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.513 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.513 INFO kablam!    |
Sep 01 07:13:49.513 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.513 INFO kablam! 
Sep 01 07:13:49.513 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 07:13:49.513 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 07:13:49.513 INFO kablam!    |
Sep 01 07:13:49.513 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.513 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.513 INFO kablam!    |
Sep 01 07:13:49.513 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.513 INFO kablam! 
Sep 01 07:13:49.514 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 07:13:49.514 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 07:13:49.514 INFO kablam!    |
Sep 01 07:13:49.514 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.514 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.514 INFO kablam!    |
Sep 01 07:13:49.514 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.514 INFO kablam! 
Sep 01 07:13:49.514 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 07:13:49.514 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 07:13:49.514 INFO kablam!    |
Sep 01 07:13:49.514 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.514 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.514 INFO kablam!    |
Sep 01 07:13:49.514 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.514 INFO kablam! 
Sep 01 07:13:49.514 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 07:13:49.514 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 01 07:13:49.514 INFO kablam!    |
Sep 01 07:13:49.514 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 07:13:49.514 INFO kablam!    |   ^^^^^
Sep 01 07:13:49.514 INFO kablam!    |
Sep 01 07:13:49.514 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:13:49.514 INFO kablam! 
Sep 01 07:13:49.693 INFO kablam! error: aborting due to 7 previous errors
Sep 01 07:13:49.694 INFO kablam! 
Sep 01 07:13:49.694 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 07:13:49.703 INFO kablam! error: Could not compile `log4rs`.
Sep 01 07:13:49.703 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:13:56.588 INFO kablam! error: build failed
Sep 01 07:13:56.590 INFO kablam! su: No module specific data is present
Sep 01 07:13:56.952 INFO running `"docker" "rm" "-f" "c41c2d5d9bc064bf91f638fb04849297adbd7ec4299ec3dd11af4036226d9025"`
Sep 01 07:13:57.034 INFO blam! c41c2d5d9bc064bf91f638fb04849297adbd7ec4299ec3dd11af4036226d9025