Sep 01 07:36:16.400 INFO checking safe_crypto-0.3.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 07:36:16.400 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 07:36:16.400 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 07:36:16.623 INFO blam! 28ba509c078bf13f935ced5a1aee5963980a8de17fa74589c08dcc9f10d585a4
Sep 01 07:36:16.626 INFO running `"docker" "start" "-a" "28ba509c078bf13f935ced5a1aee5963980a8de17fa74589c08dcc9f10d585a4"`
Sep 01 07:36:17.876 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Sep 01 07:36:17.879 INFO kablam!    Compiling serde v1.0.75
Sep 01 07:36:17.882 INFO kablam!    Compiling url v1.5.1
Sep 01 07:36:17.882 INFO kablam!     Checking serde_yaml v0.7.5
Sep 01 07:36:17.886 INFO kablam!     Checking regex v0.2.11
Sep 01 07:36:17.890 INFO kablam!    Compiling openssl v0.9.24
Sep 01 07:36:17.890 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Sep 01 07:36:17.890 INFO kablam!    Compiling libflate v0.1.16
Sep 01 07:36:25.513 INFO kablam!     Checking config_file_handler v0.9.0
Sep 01 07:36:25.572 INFO kablam!     Checking ws v0.7.3
Sep 01 07:36:28.185 INFO kablam!    Compiling tokio-reactor v0.1.5
Sep 01 07:36:29.370 INFO kablam!    Compiling phf v0.7.23
Sep 01 07:36:32.711 INFO kablam!    Compiling flate2 v1.0.2
Sep 01 07:36:33.021 INFO kablam!    Compiling sha2 v0.7.1
Sep 01 07:36:43.003 INFO kablam!    Compiling crossbeam-deque v0.6.1
Sep 01 07:36:43.167 INFO kablam!     Checking serde-value v0.5.2
Sep 01 07:36:43.187 INFO kablam!    Compiling tokio-uds v0.2.1
Sep 01 07:36:43.262 INFO kablam!    Compiling tokio-tcp v0.1.1
Sep 01 07:36:43.449 INFO kablam!    Compiling tokio-udp v0.1.2
Sep 01 07:36:46.264 INFO kablam!    Compiling zip v0.3.3
Sep 01 07:36:47.951 INFO kablam!    Compiling tokio-threadpool v0.1.6
Sep 01 07:36:49.323 INFO kablam!    Compiling mime_guess v2.0.0-alpha.6
Sep 01 07:36:54.117 INFO kablam!     Checking log4rs v0.7.0
Sep 01 07:36:59.382 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 07:36:59.382 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 01 07:36:59.382 INFO kablam!    |
Sep 01 07:36:59.382 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.382 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.382 INFO kablam!    |
Sep 01 07:36:59.382 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.383 INFO kablam! 
Sep 01 07:36:59.383 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 07:36:59.383 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 01 07:36:59.383 INFO kablam!    |
Sep 01 07:36:59.383 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.383 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.384 INFO kablam!    |
Sep 01 07:36:59.384 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.384 INFO kablam! 
Sep 01 07:36:59.385 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 07:36:59.385 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 07:36:59.385 INFO kablam!    |
Sep 01 07:36:59.385 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.385 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.385 INFO kablam!    |
Sep 01 07:36:59.386 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.386 INFO kablam! 
Sep 01 07:36:59.386 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 07:36:59.386 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 07:36:59.386 INFO kablam!    |
Sep 01 07:36:59.386 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.387 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.387 INFO kablam!    |
Sep 01 07:36:59.387 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.387 INFO kablam! 
Sep 01 07:36:59.388 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 07:36:59.388 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 07:36:59.388 INFO kablam!    |
Sep 01 07:36:59.388 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.388 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.388 INFO kablam!    |
Sep 01 07:36:59.389 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.389 INFO kablam! 
Sep 01 07:36:59.389 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 07:36:59.389 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 07:36:59.389 INFO kablam!    |
Sep 01 07:36:59.390 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.390 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.390 INFO kablam!    |
Sep 01 07:36:59.390 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.390 INFO kablam! 
Sep 01 07:36:59.391 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 07:36:59.391 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 01 07:36:59.391 INFO kablam!    |
Sep 01 07:36:59.391 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 07:36:59.391 INFO kablam!    |   ^^^^^
Sep 01 07:36:59.391 INFO kablam!    |
Sep 01 07:36:59.392 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:36:59.392 INFO kablam! 
Sep 01 07:36:59.829 INFO kablam! error: aborting due to 7 previous errors
Sep 01 07:36:59.829 INFO kablam! 
Sep 01 07:36:59.829 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 07:36:59.845 INFO kablam! error: Could not compile `log4rs`.
Sep 01 07:36:59.846 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:37:12.716 INFO kablam! error: build failed
Sep 01 07:37:12.718 INFO kablam! su: No module specific data is present
Sep 01 07:37:13.526 INFO running `"docker" "rm" "-f" "28ba509c078bf13f935ced5a1aee5963980a8de17fa74589c08dcc9f10d585a4"`
Sep 01 07:37:13.672 INFO blam! 28ba509c078bf13f935ced5a1aee5963980a8de17fa74589c08dcc9f10d585a4