Sep 06 01:16:01.495 INFO checking routing-0.33.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 01:16:01.495 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 01:16:01.495 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 01:16:01.734 INFO blam! 7363d63a390ac1b3a5676ebfdab020be124cd227dc1132beacdc40500e768ea7
Sep 06 01:16:01.736 INFO running `"docker" "start" "-a" "7363d63a390ac1b3a5676ebfdab020be124cd227dc1132beacdc40500e768ea7"`
Sep 06 01:16:02.393 INFO kablam! usermod: no changes
Sep 06 01:16:02.641 INFO kablam!     Checking fake_clock v0.2.0
Sep 06 01:16:02.641 INFO kablam!     Checking lru_time_cache v0.7.0
Sep 06 01:16:02.645 INFO kablam!     Checking term_size v0.3.1
Sep 06 01:16:02.645 INFO kablam!     Checking atty v0.2.2
Sep 06 01:16:02.645 INFO kablam!     Checking termion v1.4.0
Sep 06 01:16:02.647 INFO kablam!     Checking bytes v0.4.10
Sep 06 01:16:02.649 INFO kablam!     Checking bincode v0.8.0
Sep 06 01:16:02.650 INFO kablam!     Checking hyper v0.10.13
Sep 06 01:16:03.114 INFO kablam!     Checking config_file_handler v0.8.3
Sep 06 01:16:03.339 INFO kablam!    Compiling flate2 v1.0.2
Sep 06 01:16:03.386 INFO kablam!     Checking textwrap v0.6.0
Sep 06 01:16:03.634 INFO kablam!     Checking log4rs v0.7.0
Sep 06 01:16:05.266 INFO kablam!     Checking clap v2.25.1
Sep 06 01:16:07.406 INFO kablam!     Checking ws v0.7.3
Sep 06 01:16:07.742 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 06 01:16:07.742 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.742 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.742 INFO kablam! 
Sep 06 01:16:07.742 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 06 01:16:07.742 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.742 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.742 INFO kablam! 
Sep 06 01:16:07.742 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 06 01:16:07.742 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 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.742 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.742 INFO kablam! 
Sep 06 01:16:07.742 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 06 01:16:07.742 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 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.742 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.742 INFO kablam! 
Sep 06 01:16:07.742 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 06 01:16:07.742 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 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.742 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.742 INFO kablam!    |
Sep 06 01:16:07.742 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.743 INFO kablam! 
Sep 06 01:16:07.743 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 06 01:16:07.743 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 06 01:16:07.743 INFO kablam!    |
Sep 06 01:16:07.743 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.743 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.743 INFO kablam!    |
Sep 06 01:16:07.743 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.743 INFO kablam! 
Sep 06 01:16:07.743 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 06 01:16:07.743 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 06 01:16:07.743 INFO kablam!    |
Sep 06 01:16:07.743 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 06 01:16:07.743 INFO kablam!    |   ^^^^^
Sep 06 01:16:07.743 INFO kablam!    |
Sep 06 01:16:07.743 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 06 01:16:07.743 INFO kablam! 
Sep 06 01:16:08.234 INFO kablam! error: aborting due to 7 previous errors
Sep 06 01:16:08.234 INFO kablam! 
Sep 06 01:16:08.234 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 06 01:16:08.292 INFO kablam! error: Could not compile `log4rs`.
Sep 06 01:16:08.292 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 01:16:16.806 INFO kablam! error: build failed
Sep 06 01:16:16.807 INFO kablam! su: No module specific data is present
Sep 06 01:16:17.496 INFO running `"docker" "rm" "-f" "7363d63a390ac1b3a5676ebfdab020be124cd227dc1132beacdc40500e768ea7"`
Sep 06 01:16:17.596 INFO blam! 7363d63a390ac1b3a5676ebfdab020be124cd227dc1132beacdc40500e768ea7