Sep 04 07:27:29.238 INFO checking safe_crypto-0.3.0 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 07:27:29.238 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 07:27:29.238 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:27:29.471 INFO blam! db5de143caeb8334d3127b44e40da37d8258213df9379ebecbbce06e33e5bf8a
Sep 04 07:27:29.473 INFO running `"docker" "start" "-a" "db5de143caeb8334d3127b44e40da37d8258213df9379ebecbbce06e33e5bf8a"`
Sep 04 07:27:30.765 INFO kablam!    Compiling crossbeam-utils v0.5.0
Sep 04 07:27:30.771 INFO kablam!    Compiling owning_ref v0.3.3
Sep 04 07:27:30.771 INFO kablam!    Compiling encoding_rs v0.8.6
Sep 04 07:27:30.774 INFO kablam!    Compiling tokio-executor v0.1.4
Sep 04 07:27:30.777 INFO kablam!    Compiling futures-cpupool v0.1.8
Sep 04 07:27:30.777 INFO kablam!    Compiling uuid v0.6.5
Sep 04 07:27:30.777 INFO kablam!    Compiling want v0.0.4
Sep 04 07:27:30.779 INFO kablam!    Compiling parking_lot_core v0.3.0
Sep 04 07:27:33.904 INFO kablam!    Compiling tokio-io v0.1.8
Sep 04 07:27:33.904 INFO kablam!    Compiling mio-uds v0.6.6
Sep 04 07:27:33.915 INFO kablam!    Compiling url v1.5.1
Sep 04 07:27:33.939 INFO kablam!     Checking serde_yaml v0.7.5
Sep 04 07:27:33.946 INFO kablam!     Checking regex v0.2.11
Sep 04 07:27:33.972 INFO kablam!    Compiling lock_api v0.1.3
Sep 04 07:27:37.672 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Sep 04 07:27:37.673 INFO kablam!    Compiling tokio-timer v0.2.6
Sep 04 07:27:37.705 INFO kablam!    Compiling tokio-current-thread v0.1.1
Sep 04 07:27:42.821 INFO kablam!    Compiling mime v0.3.9
Sep 04 07:27:42.873 INFO kablam!    Compiling openssl v0.9.24
Sep 04 07:27:51.015 INFO kablam!     Checking bincode v0.8.0
Sep 04 07:27:51.017 INFO kablam!     Checking config_file_handler v0.9.0
Sep 04 07:27:51.050 INFO kablam!    Compiling parking_lot v0.6.4
Sep 04 07:27:51.053 INFO kablam!    Compiling phf v0.7.23
Sep 04 07:27:51.055 INFO kablam!    Compiling tokio-codec v0.1.0
Sep 04 07:27:51.231 INFO kablam!    Compiling crossbeam-deque v0.6.1
Sep 04 07:27:54.504 INFO kablam!    Compiling flate2 v1.0.2
Sep 04 07:28:00.942 INFO kablam!     Checking serde-value v0.5.2
Sep 04 07:28:00.944 INFO kablam!    Compiling serde_urlencoded v0.5.3
Sep 04 07:28:00.945 INFO kablam!    Compiling tokio-threadpool v0.1.6
Sep 04 07:28:00.975 INFO kablam!    Compiling mime_guess v2.0.0-alpha.6
Sep 04 07:28:00.990 INFO kablam!    Compiling tokio-reactor v0.1.5
Sep 04 07:28:06.067 INFO kablam!    Compiling zip v0.3.3
Sep 04 07:28:06.128 INFO kablam!     Checking log4rs v0.7.0
Sep 04 07:28:10.530 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 04 07:28:10.530 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 04 07:28:10.530 INFO kablam!    |
Sep 04 07:28:10.530 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.530 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.531 INFO kablam!    |
Sep 04 07:28:10.531 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.531 INFO kablam! 
Sep 04 07:28:10.531 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 04 07:28:10.531 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 04 07:28:10.531 INFO kablam!    |
Sep 04 07:28:10.531 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.531 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.531 INFO kablam!    |
Sep 04 07:28:10.531 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.531 INFO kablam! 
Sep 04 07:28:10.531 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 04 07:28:10.532 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 04 07:28:10.532 INFO kablam!    |
Sep 04 07:28:10.532 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.532 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.532 INFO kablam!    |
Sep 04 07:28:10.532 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.532 INFO kablam! 
Sep 04 07:28:10.532 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 04 07:28:10.532 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 04 07:28:10.532 INFO kablam!    |
Sep 04 07:28:10.532 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.532 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.532 INFO kablam!    |
Sep 04 07:28:10.532 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.532 INFO kablam! 
Sep 04 07:28:10.532 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 04 07:28:10.532 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 04 07:28:10.532 INFO kablam!    |
Sep 04 07:28:10.532 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.532 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.532 INFO kablam!    |
Sep 04 07:28:10.532 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.532 INFO kablam! 
Sep 04 07:28:10.534 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 04 07:28:10.534 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 04 07:28:10.534 INFO kablam!    |
Sep 04 07:28:10.534 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.534 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.534 INFO kablam!    |
Sep 04 07:28:10.534 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.534 INFO kablam! 
Sep 04 07:28:10.534 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 04 07:28:10.534 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 04 07:28:10.534 INFO kablam!    |
Sep 04 07:28:10.534 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 07:28:10.534 INFO kablam!    |   ^^^^^
Sep 04 07:28:10.534 INFO kablam!    |
Sep 04 07:28:10.534 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:10.534 INFO kablam! 
Sep 04 07:28:11.046 INFO kablam! error: aborting due to 7 previous errors
Sep 04 07:28:11.046 INFO kablam! 
Sep 04 07:28:11.046 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 07:28:11.073 INFO kablam! error: Could not compile `log4rs`.
Sep 04 07:28:11.074 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:28:17.789 INFO kablam! error: build failed
Sep 04 07:28:17.791 INFO kablam! su: No module specific data is present
Sep 04 07:28:18.368 INFO running `"docker" "rm" "-f" "db5de143caeb8334d3127b44e40da37d8258213df9379ebecbbce06e33e5bf8a"`
Sep 04 07:28:18.522 INFO blam! db5de143caeb8334d3127b44e40da37d8258213df9379ebecbbce06e33e5bf8a