Sep 10 10:23:11.179 INFO checking safe_core-0.31.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 10:23:11.179 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 10:23:11.179 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 10:23:11.364 INFO blam! f31b9925149ae492267e28731316a4d2237a079d654abaed8ee08c1271c6164c
Sep 10 10:23:11.366 INFO running `"docker" "start" "-a" "f31b9925149ae492267e28731316a4d2237a079d654abaed8ee08c1271c6164c"`
Sep 10 10:23:12.607 INFO kablam! usermod: no changes
Sep 10 10:23:13.079 INFO kablam!    Compiling podio v0.1.6
Sep 10 10:23:13.094 INFO kablam!    Compiling unwrap v1.1.0
Sep 10 10:23:13.135 INFO kablam!     Checking c_linked_list v1.1.1
Sep 10 10:23:13.135 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 10 10:23:13.135 INFO kablam!     Checking jni-sys v0.3.0
Sep 10 10:23:13.135 INFO kablam!     Checking cesu8 v1.1.0
Sep 10 10:23:13.135 INFO kablam!     Checking fake_clock v0.2.0
Sep 10 10:23:14.162 INFO kablam!     Checking lru_time_cache v0.7.0
Sep 10 10:23:14.390 INFO kablam!    Compiling miniz_oxide v0.1.3
Sep 10 10:23:14.894 INFO kablam!     Checking fs2 v0.4.3
Sep 10 10:23:15.146 INFO kablam!     Checking atty v0.2.2
Sep 10 10:23:15.378 INFO kablam!     Checking termion v1.4.0
Sep 10 10:23:15.413 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 10 10:23:15.418 INFO kablam!     Checking base64 v0.9.2
Sep 10 10:23:15.650 INFO kablam!    Compiling walkdir v2.0.1
Sep 10 10:23:16.282 INFO kablam!     Checking combine v2.5.2
Sep 10 10:23:17.346 INFO kablam!     Checking itertools v0.6.5
Sep 10 10:23:19.170 INFO kablam!    Compiling msdos_time v0.1.6
Sep 10 10:23:21.155 INFO kablam!     Checking crossbeam-epoch v0.5.2
Sep 10 10:23:21.155 INFO kablam!     Checking bytes v0.4.10
Sep 10 10:23:21.156 INFO kablam!     Checking textwrap v0.6.0
Sep 10 10:23:21.168 INFO kablam!     Checking get_if_addrs v0.4.1
Sep 10 10:23:21.490 INFO kablam!     Checking xmltree v0.3.2
Sep 10 10:23:22.782 INFO kablam!    Compiling bzip2-sys v0.1.6
Sep 10 10:23:23.651 INFO kablam!     Checking url v1.5.1
Sep 10 10:23:24.288 INFO kablam!     Checking regex v0.2.11
Sep 10 10:23:24.719 INFO kablam!    Compiling jni v0.10.1
Sep 10 10:23:29.766 INFO kablam!     Checking clap v2.25.1
Sep 10 10:23:29.834 INFO kablam!    Compiling flate2 v0.2.20
Sep 10 10:23:30.661 INFO kablam!     Checking chrono v0.4.6
Sep 10 10:23:31.918 INFO kablam!     Checking bincode v0.8.0
Sep 10 10:23:35.126 INFO kablam!     Checking config_file_handler v0.9.0
Sep 10 10:23:38.326 INFO kablam!    Compiling bzip2 v0.3.3
Sep 10 10:23:38.458 INFO kablam!     Checking crossbeam-deque v0.6.1
Sep 10 10:23:38.642 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Sep 10 10:23:41.551 INFO kablam!     Checking tokio-io v0.1.8
Sep 10 10:23:41.588 INFO kablam!     Checking error-chain v0.11.0
Sep 10 10:23:43.302 INFO kablam!     Checking serde-value v0.5.2
Sep 10 10:23:43.326 INFO kablam!     Checking ws v0.7.3
Sep 10 10:23:46.275 INFO kablam!     Checking hyper v0.10.13
Sep 10 10:23:46.361 INFO kablam!     Checking tokio-threadpool v0.1.6
Sep 10 10:23:49.026 INFO kablam!    Compiling flate2 v1.0.2
Sep 10 10:23:49.730 INFO kablam!     Checking log4rs v0.7.0
Sep 10 10:23:53.562 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 10 10:23:53.562 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 10 10:23:53.562 INFO kablam!    |
Sep 10 10:23:53.562 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.562 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.562 INFO kablam!    |
Sep 10 10:23:53.562 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.562 INFO kablam! 
Sep 10 10:23:53.598 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 10 10:23:53.598 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.598 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.598 INFO kablam! 
Sep 10 10:23:53.598 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 10 10:23:53.598 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 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.598 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.598 INFO kablam! 
Sep 10 10:23:53.598 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 10 10:23:53.598 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 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.598 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.598 INFO kablam! 
Sep 10 10:23:53.598 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 10 10:23:53.598 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 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.598 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.598 INFO kablam!    |
Sep 10 10:23:53.598 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.598 INFO kablam! 
Sep 10 10:23:53.599 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 10 10:23:53.599 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 10 10:23:53.599 INFO kablam!    |
Sep 10 10:23:53.599 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.599 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.599 INFO kablam!    |
Sep 10 10:23:53.599 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.599 INFO kablam! 
Sep 10 10:23:53.599 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 10 10:23:53.599 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 10 10:23:53.599 INFO kablam!    |
Sep 10 10:23:53.599 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 10 10:23:53.599 INFO kablam!    |   ^^^^^
Sep 10 10:23:53.599 INFO kablam!    |
Sep 10 10:23:53.599 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 10:23:53.599 INFO kablam! 
Sep 10 10:23:53.970 INFO kablam! error: aborting due to 7 previous errors
Sep 10 10:23:53.970 INFO kablam! 
Sep 10 10:23:53.970 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 10:23:54.026 INFO kablam! error: Could not compile `log4rs`.
Sep 10 10:23:54.026 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 10:24:03.534 INFO kablam! error: build failed
Sep 10 10:24:03.536 INFO kablam! su: No module specific data is present
Sep 10 10:24:04.929 INFO running `"docker" "rm" "-f" "f31b9925149ae492267e28731316a4d2237a079d654abaed8ee08c1271c6164c"`
Sep 10 10:24:05.039 INFO blam! f31b9925149ae492267e28731316a4d2237a079d654abaed8ee08c1271c6164c