Sep 02 00:56:00.155 INFO checking safe_crypto-0.3.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 00:56:00.155 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 00:56:00.155 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 00:56:00.321 INFO blam! 31d920fe2f9dc43ac7ec57e10a29bfc168cf18527310a70a1377dd50db4116e1
Sep 02 00:56:00.322 INFO running `"docker" "start" "-a" "31d920fe2f9dc43ac7ec57e10a29bfc168cf18527310a70a1377dd50db4116e1"`
Sep 02 00:56:01.414 INFO kablam!    Compiling crossbeam-utils v0.5.0
Sep 02 00:56:01.415 INFO kablam!    Compiling slab v0.4.1
Sep 02 00:56:01.419 INFO kablam!    Compiling net2 v0.2.33
Sep 02 00:56:01.420 INFO kablam!    Compiling encoding_rs v0.8.6
Sep 02 00:56:01.424 INFO kablam!    Compiling tokio-executor v0.1.4
Sep 02 00:56:01.434 INFO kablam!    Compiling futures-cpupool v0.1.8
Sep 02 00:56:01.437 INFO kablam!    Compiling uuid v0.6.5
Sep 02 00:56:01.440 INFO kablam!    Compiling lock_api v0.1.3
Sep 02 00:56:02.313 INFO kablam!    Compiling want v0.0.4
Sep 02 00:56:06.437 INFO kablam!    Compiling parking_lot_core v0.3.0
Sep 02 00:56:06.437 INFO kablam!    Compiling tokio-io v0.1.8
Sep 02 00:56:06.471 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Sep 02 00:56:06.474 INFO kablam!    Compiling tokio-timer v0.2.6
Sep 02 00:56:06.477 INFO kablam!    Compiling tokio-current-thread v0.1.1
Sep 02 00:56:06.551 INFO kablam!    Compiling openssl-sys v0.9.35
Sep 02 00:56:06.744 INFO kablam!    Compiling url v1.5.1
Sep 02 00:56:18.158 INFO kablam!     Checking regex v0.2.11
Sep 02 00:56:18.735 INFO kablam!    Compiling mime v0.3.9
Sep 02 00:56:18.735 INFO kablam!    Compiling mio v0.6.15
Sep 02 00:56:18.741 INFO kablam!    Compiling libflate v0.1.16
Sep 02 00:56:18.812 INFO kablam!    Compiling openssl v0.9.24
Sep 02 00:56:18.871 INFO kablam!    Compiling crossbeam-deque v0.6.1
Sep 02 00:56:28.652 INFO kablam!    Compiling parking_lot v0.6.4
Sep 02 00:56:28.668 INFO kablam!     Checking config_file_handler v0.9.0
Sep 02 00:56:28.806 INFO kablam!    Compiling phf v0.7.23
Sep 02 00:56:32.289 INFO kablam!    Compiling flate2 v1.0.2
Sep 02 00:56:32.589 INFO kablam!    Compiling tokio-codec v0.1.0
Sep 02 00:56:40.641 INFO kablam!    Compiling tokio-threadpool v0.1.6
Sep 02 00:56:40.650 INFO kablam!     Checking serde-value v0.5.2
Sep 02 00:56:40.847 INFO kablam!    Compiling serde_urlencoded v0.5.3
Sep 02 00:56:40.871 INFO kablam!    Compiling zip v0.3.3
Sep 02 00:56:40.891 INFO kablam!    Compiling mio-uds v0.6.6
Sep 02 00:56:41.027 INFO kablam!    Compiling tokio-reactor v0.1.5
Sep 02 00:56:41.242 INFO kablam!    Compiling mime_guess v2.0.0-alpha.6
Sep 02 00:56:43.711 INFO kablam!     Checking log4rs v0.7.0
Sep 02 00:56:47.608 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 02 00:56:47.608 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 02 00:56:47.609 INFO kablam!    |
Sep 02 00:56:47.609 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.609 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.609 INFO kablam!    |
Sep 02 00:56:47.609 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.609 INFO kablam! 
Sep 02 00:56:47.609 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 02 00:56:47.609 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 02 00:56:47.609 INFO kablam!    |
Sep 02 00:56:47.609 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.609 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.609 INFO kablam!    |
Sep 02 00:56:47.609 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.609 INFO kablam! 
Sep 02 00:56:47.609 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 02 00:56:47.609 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 02 00:56:47.609 INFO kablam!    |
Sep 02 00:56:47.609 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.609 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.609 INFO kablam!    |
Sep 02 00:56:47.609 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.610 INFO kablam! 
Sep 02 00:56:47.610 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 02 00:56:47.610 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 02 00:56:47.610 INFO kablam!    |
Sep 02 00:56:47.610 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.610 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.610 INFO kablam!    |
Sep 02 00:56:47.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.610 INFO kablam! 
Sep 02 00:56:47.610 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 02 00:56:47.610 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 02 00:56:47.610 INFO kablam!    |
Sep 02 00:56:47.610 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.610 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.610 INFO kablam!    |
Sep 02 00:56:47.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.610 INFO kablam! 
Sep 02 00:56:47.610 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 02 00:56:47.610 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 02 00:56:47.610 INFO kablam!    |
Sep 02 00:56:47.610 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.610 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.610 INFO kablam!    |
Sep 02 00:56:47.610 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.610 INFO kablam! 
Sep 02 00:56:47.610 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 02 00:56:47.611 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 02 00:56:47.611 INFO kablam!    |
Sep 02 00:56:47.611 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 02 00:56:47.611 INFO kablam!    |   ^^^^^
Sep 02 00:56:47.611 INFO kablam!    |
Sep 02 00:56:47.611 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 02 00:56:47.611 INFO kablam! 
Sep 02 00:56:47.988 INFO kablam! error: aborting due to 7 previous errors
Sep 02 00:56:47.988 INFO kablam! 
Sep 02 00:56:47.988 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 02 00:56:48.039 INFO kablam! error: Could not compile `log4rs`.
Sep 02 00:56:48.040 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 00:56:53.971 INFO kablam! error: build failed
Sep 02 00:56:53.974 INFO kablam! su: No module specific data is present
Sep 02 00:56:54.549 INFO running `"docker" "rm" "-f" "31d920fe2f9dc43ac7ec57e10a29bfc168cf18527310a70a1377dd50db4116e1"`
Sep 02 00:56:54.719 INFO blam! 31d920fe2f9dc43ac7ec57e10a29bfc168cf18527310a70a1377dd50db4116e1