Aug 31 07:40:50.480 INFO checking AlexW-GH/rust8 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 07:40:50.480 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 07:40:50.480 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 07:40:50.700 INFO blam! a7433182e4f0b7346964222ac87af42fe3a8195eb8d6cb193f8305ba5ad93803
Aug 31 07:40:50.703 INFO running `"docker" "start" "-a" "a7433182e4f0b7346964222ac87af42fe3a8195eb8d6cb193f8305ba5ad93803"`
Aug 31 07:40:51.961 INFO kablam!    Compiling serde v0.9.11
Aug 31 07:40:51.966 INFO kablam!    Compiling rand v0.3.15
Aug 31 07:40:51.967 INFO kablam!     Checking shared_library v0.1.5
Aug 31 07:40:51.968 INFO kablam!     Checking deflate v0.7.5
Aug 31 07:40:51.969 INFO kablam!     Checking humantime v1.0.0
Aug 31 07:40:51.970 INFO kablam!    Compiling wayland-scanner v0.7.8
Aug 31 07:40:51.970 INFO kablam!    Compiling gl_generator v0.5.2
Aug 31 07:40:52.999 INFO kablam!     Checking deque v0.3.1
Aug 31 07:40:53.483 INFO kablam!     Checking pistoncore-input v0.17.1
Aug 31 07:40:54.091 INFO kablam!     Checking num-rational v0.1.36
Aug 31 07:40:55.640 INFO kablam!     Checking ordered-float v0.4.0
Aug 31 07:40:57.652 INFO kablam!     Checking arrayvec v0.3.21
Aug 31 07:40:58.376 INFO kablam!     Checking osmesa-sys v0.1.2
Aug 31 07:41:00.670 INFO kablam!     Checking x11-dl v2.12.0
Aug 31 07:41:04.115 INFO kablam!     Checking rayon v0.6.0
Aug 31 07:41:04.724 INFO kablam!    Compiling serde_codegen_internals v0.14.1
Aug 31 07:41:04.818 INFO kablam!     Checking miniz-sys v0.1.9
Aug 31 07:41:04.838 INFO kablam!     Checking png v0.6.2
Aug 31 07:41:05.135 INFO kablam!     Checking fs2 v0.2.5
Aug 31 07:41:06.027 INFO kablam!     Checking tempfile v2.1.5
Aug 31 07:41:06.724 INFO kablam!    Compiling wayland-client v0.7.8
Aug 31 07:41:07.669 INFO kablam!     Checking rusttype v0.2.1
Aug 31 07:41:14.108 INFO kablam!     Checking pistoncore-window v0.26.2
Aug 31 07:41:14.215 INFO kablam!    Compiling phf_generator v0.7.21
Aug 31 07:41:14.215 INFO kablam!    Compiling glutin v0.7.4
Aug 31 07:41:14.522 INFO kablam!    Compiling gl v0.6.1
Aug 31 07:41:16.265 INFO kablam!     Checking flate2 v0.2.17
Aug 31 07:41:16.429 INFO kablam!     Checking memmap v0.4.0
Aug 31 07:41:22.874 INFO kablam!     Checking jpeg-decoder v0.1.11
Aug 31 07:41:23.063 INFO kablam!    Compiling serde_derive v0.9.11
Aug 31 07:41:23.064 INFO kablam!     Checking pistoncore-event_loop v0.31.4
Aug 31 07:41:23.417 INFO kablam!    Compiling phf_codegen v0.7.21
Aug 31 07:41:24.282 INFO kablam!     Checking piston v0.31.4
Aug 31 07:41:24.926 INFO kablam!    Compiling target_build_utils v0.3.0
Aug 31 07:41:28.550 INFO kablam!     Checking image v0.12.3
Aug 31 07:41:30.201 INFO kablam!     Checking serde-value v0.4.0
Aug 31 07:41:30.203 INFO kablam!     Checking serde_json v0.9.9
Aug 31 07:41:31.681 INFO kablam!     Checking serde_yaml v0.6.2
Aug 31 07:41:40.880 INFO kablam!     Checking log4rs v0.6.2
Aug 31 07:41:41.879 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)
Aug 31 07:41:41.879 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/file.rs:25:3
Aug 31 07:41:41.879 INFO kablam!    |
Aug 31 07:41:41.879 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.879 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.879 INFO kablam!    |
Aug 31 07:41:41.879 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.879 INFO kablam! 
Aug 31 07:41:41.879 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)
Aug 31 07:41:41.879 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/console.rs:24:3
Aug 31 07:41:41.880 INFO kablam!    |
Aug 31 07:41:41.880 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.880 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.880 INFO kablam!    |
Aug 31 07:41:41.880 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.880 INFO kablam! 
Aug 31 07:41:41.880 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)
Aug 31 07:41:41.880 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 07:41:41.880 INFO kablam!    |
Aug 31 07:41:41.880 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.880 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.880 INFO kablam!    |
Aug 31 07:41:41.880 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.880 INFO kablam! 
Aug 31 07:41:41.880 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)
Aug 31 07:41:41.880 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 31 07:41:41.880 INFO kablam!    |
Aug 31 07:41:41.880 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.880 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.880 INFO kablam!    |
Aug 31 07:41:41.880 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.881 INFO kablam! 
Aug 31 07:41:41.881 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)
Aug 31 07:41:41.881 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 07:41:41.881 INFO kablam!    |
Aug 31 07:41:41.881 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.881 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.881 INFO kablam!    |
Aug 31 07:41:41.881 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.881 INFO kablam! 
Aug 31 07:41:41.881 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)
Aug 31 07:41:41.881 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 07:41:41.881 INFO kablam!    |
Aug 31 07:41:41.881 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.881 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.881 INFO kablam!    |
Aug 31 07:41:41.881 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.881 INFO kablam! 
Aug 31 07:41:41.881 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)
Aug 31 07:41:41.881 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/mod.rs:46:3
Aug 31 07:41:41.881 INFO kablam!    |
Aug 31 07:41:41.881 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 07:41:41.881 INFO kablam!    |   ^^^^^
Aug 31 07:41:41.881 INFO kablam!    |
Aug 31 07:41:41.882 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 07:41:41.882 INFO kablam! 
Aug 31 07:41:41.924 INFO kablam! error: aborting due to 7 previous errors
Aug 31 07:41:41.924 INFO kablam! 
Aug 31 07:41:41.924 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 07:41:41.932 INFO kablam! error: Could not compile `log4rs`.
Aug 31 07:41:41.932 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 07:41:46.250 INFO kablam! error: build failed
Aug 31 07:41:46.252 INFO kablam! su: No module specific data is present
Aug 31 07:41:46.647 INFO running `"docker" "rm" "-f" "a7433182e4f0b7346964222ac87af42fe3a8195eb8d6cb193f8305ba5ad93803"`
Aug 31 07:41:46.777 INFO blam! a7433182e4f0b7346964222ac87af42fe3a8195eb8d6cb193f8305ba5ad93803