Sep 01 03:42:39.922 INFO checking toucHNews-0.4.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 03:42:39.922 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 03:42:39.922 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/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 03:42:40.114 INFO blam! 02e8bd51c7ef9950e0ede989c2bfa1b2c355fa4e021ff6fe476fb3e5a701abcc
Sep 01 03:42:40.116 INFO running `"docker" "start" "-a" "02e8bd51c7ef9950e0ede989c2bfa1b2c355fa4e021ff6fe476fb3e5a701abcc"`
Sep 01 03:42:40.941 INFO kablam!     Checking log v0.4.4
Sep 01 03:42:40.941 INFO kablam!     Checking serde_yaml v0.7.5
Sep 01 03:42:40.944 INFO kablam!     Checking chrono v0.4.6
Sep 01 03:42:40.945 INFO kablam!     Checking serde-value v0.5.2
Sep 01 03:42:42.076 INFO kablam!     Checking mio v0.6.15
Sep 01 03:42:42.076 INFO kablam!     Checking tokio-io v0.1.8
Sep 01 03:42:42.078 INFO kablam!     Checking tokio-threadpool v0.1.6
Sep 01 03:42:42.080 INFO kablam!     Checking log v0.3.9
Sep 01 03:42:42.081 INFO kablam!     Checking want v0.0.4
Sep 01 03:42:46.410 INFO kablam!     Checking tokio-codec v0.1.0
Sep 01 03:42:46.413 INFO kablam!     Checking tokio-fs v0.1.3
Sep 01 03:42:47.278 INFO kablam!     Checking log4rs v0.8.0
Sep 01 03:42:47.374 INFO kablam!     Checking tokio-reactor v0.1.5
Sep 01 03:42:47.376 INFO kablam!     Checking mio-uds v0.6.6
Sep 01 03:42:48.729 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 03:42:48.729 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Sep 01 03:42:48.729 INFO kablam!    |
Sep 01 03:42:48.729 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.729 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.729 INFO kablam!    |
Sep 01 03:42:48.730 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.730 INFO kablam! 
Sep 01 03:42:48.730 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 03:42:48.730 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Sep 01 03:42:48.730 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.731 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.731 INFO kablam! 
Sep 01 03:42:48.731 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 03:42:48.731 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.731 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.731 INFO kablam! 
Sep 01 03:42:48.731 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 03:42:48.731 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.731 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.731 INFO kablam! 
Sep 01 03:42:48.731 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 03:42:48.731 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.731 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.731 INFO kablam! 
Sep 01 03:42:48.731 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 03:42:48.731 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 01 03:42:48.731 INFO kablam!    |
Sep 01 03:42:48.731 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.732 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.732 INFO kablam!    |
Sep 01 03:42:48.732 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.732 INFO kablam! 
Sep 01 03:42:48.740 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 03:42:48.740 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Sep 01 03:42:48.740 INFO kablam!    |
Sep 01 03:42:48.740 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 03:42:48.740 INFO kablam!    |   ^^^^^
Sep 01 03:42:48.740 INFO kablam!    |
Sep 01 03:42:48.740 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 03:42:48.740 INFO kablam! 
Sep 01 03:42:48.847 INFO kablam! error: aborting due to 7 previous errors
Sep 01 03:42:48.849 INFO kablam! 
Sep 01 03:42:48.849 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 03:42:48.858 INFO kablam! error: Could not compile `log4rs`.
Sep 01 03:42:48.858 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 03:42:49.783 INFO kablam! error: build failed
Sep 01 03:42:49.785 INFO kablam! su: No module specific data is present
Sep 01 03:42:50.269 INFO running `"docker" "rm" "-f" "02e8bd51c7ef9950e0ede989c2bfa1b2c355fa4e021ff6fe476fb3e5a701abcc"`
Sep 01 03:42:50.403 INFO blam! 02e8bd51c7ef9950e0ede989c2bfa1b2c355fa4e021ff6fe476fb3e5a701abcc