Aug 31 14:49:21.771 INFO checking safe_core-0.31.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 14:49:21.771 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 14:49:21.772 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 14:49:22.016 INFO blam! 2cc48405072a68afd7dadef57d3598c63c11423a6918c7942a823df38c338d08
Aug 31 14:49:22.018 INFO running `"docker" "start" "-a" "2cc48405072a68afd7dadef57d3598c63c11423a6918c7942a823df38c338d08"`
Aug 31 14:49:23.427 INFO kablam!     Checking jni-sys v0.3.0
Aug 31 14:49:23.427 INFO kablam!     Checking cesu8 v1.1.0
Aug 31 14:49:23.455 INFO kablam!     Checking lru_time_cache v0.7.0
Aug 31 14:49:23.462 INFO kablam!     Checking fake_clock v0.2.0
Aug 31 14:49:23.508 INFO kablam!     Checking atty v0.2.2
Aug 31 14:49:23.508 INFO kablam!     Checking termion v1.4.0
Aug 31 14:49:23.509 INFO kablam!     Checking base64 v0.9.2
Aug 31 14:49:23.509 INFO kablam!    Compiling walkdir v2.0.1
Aug 31 14:49:25.927 INFO kablam!     Checking combine v2.5.2
Aug 31 14:49:26.099 INFO kablam!     Checking get_if_addrs v0.4.1
Aug 31 14:49:26.196 INFO kablam!     Checking bytes v0.4.9
Aug 31 14:49:26.828 INFO kablam!     Checking textwrap v0.6.0
Aug 31 14:49:29.147 INFO kablam!     Checking crossbeam-epoch v0.5.2
Aug 31 14:49:31.584 INFO kablam!     Checking regex v0.2.11
Aug 31 14:49:31.584 INFO kablam!     Checking clap v2.25.1
Aug 31 14:49:31.589 INFO kablam!     Checking brotli-sys v0.3.0
Aug 31 14:49:31.639 INFO kablam!     Checking bincode v0.8.0
Aug 31 14:49:31.698 INFO kablam!     Checking hyper v0.10.13
Aug 31 14:49:33.901 INFO kablam!    Compiling flate2 v1.0.2
Aug 31 14:49:35.387 INFO kablam!    Compiling jni v0.10.1
Aug 31 14:49:36.703 INFO kablam!     Checking brotli2 v0.3.0
Aug 31 14:49:38.615 INFO kablam!     Checking crossbeam-deque v0.6.1
Aug 31 14:49:39.537 INFO kablam!     Checking tokio-io v0.1.8
Aug 31 14:49:41.483 INFO kablam!     Checking ws v0.7.3
Aug 31 14:49:43.595 INFO kablam!     Checking log4rs v0.7.0
Aug 31 14:49:48.520 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 31 14:49:49.675 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)
Aug 31 14:49:49.675 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 31 14:49:49.675 INFO kablam!    |
Aug 31 14:49:49.675 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.675 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.683 INFO kablam!    |
Aug 31 14:49:49.684 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.684 INFO kablam! 
Aug 31 14:49:49.686 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)
Aug 31 14:49:49.686 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 31 14:49:49.686 INFO kablam!    |
Aug 31 14:49:49.686 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.686 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.702 INFO kablam!    |
Aug 31 14:49:49.703 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.703 INFO kablam! 
Aug 31 14:49:49.704 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)
Aug 31 14:49:49.704 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 14:49:49.704 INFO kablam!    |
Aug 31 14:49:49.704 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.704 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.705 INFO kablam!    |
Aug 31 14:49:49.705 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.706 INFO kablam! 
Aug 31 14:49:49.707 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)
Aug 31 14:49:49.707 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
Aug 31 14:49:49.707 INFO kablam!    |
Aug 31 14:49:49.707 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.707 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.707 INFO kablam!    |
Aug 31 14:49:49.708 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.708 INFO kablam! 
Aug 31 14:49:49.709 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)
Aug 31 14:49:49.709 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 14:49:49.709 INFO kablam!    |
Aug 31 14:49:49.709 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.709 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.714 INFO kablam!    |
Aug 31 14:49:49.715 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.715 INFO kablam! 
Aug 31 14:49:49.716 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)
Aug 31 14:49:49.716 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 14:49:49.716 INFO kablam!    |
Aug 31 14:49:49.716 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.716 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.717 INFO kablam!    |
Aug 31 14:49:49.717 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.718 INFO kablam! 
Aug 31 14:49:49.718 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)
Aug 31 14:49:49.718 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 31 14:49:49.718 INFO kablam!    |
Aug 31 14:49:49.718 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 14:49:49.718 INFO kablam!    |   ^^^^^
Aug 31 14:49:49.719 INFO kablam!    |
Aug 31 14:49:49.719 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:49:49.720 INFO kablam! 
Aug 31 14:49:50.111 INFO kablam!    Compiling zip v0.2.8
Aug 31 14:49:50.343 INFO kablam! error: aborting due to 7 previous errors
Aug 31 14:49:50.344 INFO kablam! 
Aug 31 14:49:50.344 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 14:49:50.380 INFO kablam! error: Could not compile `log4rs`.
Aug 31 14:49:50.380 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 14:50:03.975 INFO kablam! error: build failed
Aug 31 14:50:03.978 INFO kablam! su: No module specific data is present
Aug 31 14:50:04.532 INFO running `"docker" "rm" "-f" "2cc48405072a68afd7dadef57d3598c63c11423a6918c7942a823df38c338d08"`
Aug 31 14:50:04.693 INFO blam! 2cc48405072a68afd7dadef57d3598c63c11423a6918c7942a823df38c338d08