Sep 04 07:27:30.133 INFO checking safe_crypto-0.3.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 07:27:30.133 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 07:27:30.133 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:27:30.313 INFO blam! 56f9bb4c399255ab2392a1c863c5fe4c9d51c7112ace98b3d6f5516efcbc3bcc
Sep 04 07:27:30.315 INFO running `"docker" "start" "-a" "56f9bb4c399255ab2392a1c863c5fe4c9d51c7112ace98b3d6f5516efcbc3bcc"`
Sep 04 07:27:31.287 INFO kablam!    Compiling tokio-executor v0.1.4
Sep 04 07:27:31.287 INFO kablam!    Compiling tokio-service v0.1.0
Sep 04 07:27:31.287 INFO kablam!    Compiling relay v0.1.1
Sep 04 07:27:31.303 INFO kablam!    Compiling futures-cpupool v0.1.8
Sep 04 07:27:31.304 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Sep 04 07:27:31.304 INFO kablam!    Compiling lock_api v0.1.3
Sep 04 07:27:31.304 INFO kablam!    Compiling want v0.0.4
Sep 04 07:27:31.304 INFO kablam!    Compiling mio v0.6.15
Sep 04 07:27:32.387 INFO kablam!    Compiling parking_lot_core v0.3.0
Sep 04 07:27:32.621 INFO kablam!    Compiling tokio-io v0.1.8
Sep 04 07:27:35.255 INFO kablam!    Compiling unicase v2.1.0
Sep 04 07:27:35.275 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 04 07:27:35.304 INFO kablam!    Compiling url v1.5.1
Sep 04 07:27:35.419 INFO kablam!     Checking regex v0.2.11
Sep 04 07:27:36.904 INFO kablam!    Compiling tokio-timer v0.2.6
Sep 04 07:27:41.247 INFO kablam!    Compiling tokio-current-thread v0.1.1
Sep 04 07:27:41.425 INFO kablam!    Compiling openssl v0.9.24
Sep 04 07:27:47.810 INFO kablam!    Compiling crossbeam-deque v0.6.1
Sep 04 07:27:49.224 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Sep 04 07:27:51.670 INFO kablam!    Compiling libflate v0.1.16
Sep 04 07:27:51.714 INFO kablam!     Checking config_file_handler v0.9.0
Sep 04 07:27:51.776 INFO kablam!     Checking bincode v0.8.0
Sep 04 07:27:51.870 INFO kablam!    Compiling bzip2 v0.3.3
Sep 04 07:27:52.762 INFO kablam!    Compiling phf v0.7.23
Sep 04 07:27:53.111 INFO kablam!    Compiling tokio-codec v0.1.0
Sep 04 07:27:56.578 INFO kablam!    Compiling parking_lot v0.6.4
Sep 04 07:27:56.580 INFO kablam!    Compiling mime v0.3.9
Sep 04 07:27:56.582 INFO kablam!     Checking ws v0.7.3
Sep 04 07:27:56.681 INFO kablam!    Compiling mio-uds v0.6.6
Sep 04 07:27:58.222 INFO kablam!     Checking serde-value v0.5.2
Sep 04 07:27:58.258 INFO kablam!    Compiling serde_urlencoded v0.5.3
Sep 04 07:28:04.482 INFO kablam!    Compiling tokio-threadpool v0.1.6
Sep 04 07:28:04.484 INFO kablam!    Compiling flate2 v1.0.2
Sep 04 07:28:04.514 INFO kablam!     Checking log4rs v0.7.0
Sep 04 07:28:04.874 INFO kablam!    Compiling tokio-reactor v0.1.5
Sep 04 07:28:05.999 INFO kablam!    Compiling mime_guess v2.0.0-alpha.6
Sep 04 07:28:09.613 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 07:28:09.613 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 04 07:28:09.613 INFO kablam!    |
Sep 04 07:28:09.613 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.613 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.613 INFO kablam!    |
Sep 04 07:28:09.613 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.613 INFO kablam! 
Sep 04 07:28:09.614 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 07:28:09.614 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 04 07:28:09.614 INFO kablam!    |
Sep 04 07:28:09.614 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.614 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.614 INFO kablam!    |
Sep 04 07:28:09.614 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.614 INFO kablam! 
Sep 04 07:28:09.614 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 07:28:09.614 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 07:28:09.614 INFO kablam!    |
Sep 04 07:28:09.614 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.614 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.614 INFO kablam!    |
Sep 04 07:28:09.614 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.615 INFO kablam! 
Sep 04 07:28:09.615 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 07:28:09.615 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 07:28:09.615 INFO kablam!    |
Sep 04 07:28:09.615 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.615 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.615 INFO kablam!    |
Sep 04 07:28:09.615 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.615 INFO kablam! 
Sep 04 07:28:09.615 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 07:28:09.615 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 07:28:09.615 INFO kablam!    |
Sep 04 07:28:09.615 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.615 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.615 INFO kablam!    |
Sep 04 07:28:09.615 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.615 INFO kablam! 
Sep 04 07:28:09.615 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 07:28:09.615 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 07:28:09.615 INFO kablam!    |
Sep 04 07:28:09.615 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.615 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.615 INFO kablam!    |
Sep 04 07:28:09.615 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.615 INFO kablam! 
Sep 04 07:28:09.617 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 07:28:09.617 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 04 07:28:09.617 INFO kablam!    |
Sep 04 07:28:09.617 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 07:28:09.617 INFO kablam!    |   ^^^^^
Sep 04 07:28:09.617 INFO kablam!    |
Sep 04 07:28:09.617 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:28:09.617 INFO kablam! 
Sep 04 07:28:10.075 INFO kablam! error: aborting due to 7 previous errors
Sep 04 07:28:10.100 INFO kablam! 
Sep 04 07:28:10.101 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 07:28:10.141 INFO kablam! error: Could not compile `log4rs`.
Sep 04 07:28:10.141 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:28:19.183 INFO kablam! error: build failed
Sep 04 07:28:19.185 INFO kablam! su: No module specific data is present
Sep 04 07:28:19.570 INFO running `"docker" "rm" "-f" "56f9bb4c399255ab2392a1c863c5fe4c9d51c7112ace98b3d6f5516efcbc3bcc"`
Sep 04 07:28:19.682 INFO blam! 56f9bb4c399255ab2392a1c863c5fe4c9d51c7112ace98b3d6f5516efcbc3bcc