Sep 01 15:32:47.626 INFO checking futurice/rusty-build-light against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 15:32:47.626 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 15:32:47.626 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 15:32:47.872 INFO blam! 57ca69f554a725481aff21a611cdf4e62b077ba66227e23463d004c37aa96337
Sep 01 15:32:47.873 INFO running `"docker" "start" "-a" "57ca69f554a725481aff21a611cdf4e62b077ba66227e23463d004c37aa96337"`
Sep 01 15:32:49.042 INFO kablam!    Compiling libc v0.2.35
Sep 01 15:32:49.075 INFO kablam!    Compiling rusty_build_light v0.1.0 (file:///source)
Sep 01 15:32:49.086 INFO kablam!     Checking iovec v0.1.1
Sep 01 15:32:49.094 INFO kablam!     Checking num_cpus v1.8.0
Sep 01 15:32:49.107 INFO kablam!     Checking rand v0.3.20
Sep 01 15:32:49.107 INFO kablam!    Compiling openssl-sys v0.9.23
Sep 01 15:32:49.115 INFO kablam!     Checking log v0.4.1
Sep 01 15:32:49.115 INFO kablam!     Checking net2 v0.2.31
Sep 01 15:32:49.704 INFO kablam! warning: unused import: `std::ffi::OsString`
Sep 01 15:32:49.704 INFO kablam!  --> build.rs:2:5
Sep 01 15:32:49.704 INFO kablam!   |
Sep 01 15:32:49.704 INFO kablam! 2 | use std::ffi::OsString;
Sep 01 15:32:49.704 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 01 15:32:49.704 INFO kablam!   |
Sep 01 15:32:49.704 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 15:32:49.704 INFO kablam! 
Sep 01 15:32:50.287 INFO kablam!     Checking nix v0.9.0
Sep 01 15:32:50.951 INFO kablam!     Checking yaml-rust v0.4.0
Sep 01 15:32:51.819 INFO kablam!    Compiling wiringpi v0.2.4
Sep 01 15:32:52.091 INFO kablam!     Checking humantime v1.0.0
Sep 01 15:32:54.444 INFO kablam!     Checking bytes v0.4.6
Sep 01 15:32:54.469 INFO kablam!     Checking ordered-float v0.5.0
Sep 01 15:32:54.525 INFO kablam!     Checking futures-cpupool v0.1.8
Sep 01 15:32:56.131 INFO kablam!     Checking log v0.3.9
Sep 01 15:32:56.374 INFO kablam!     Checking backtrace-sys v0.1.16
Sep 01 15:32:57.005 INFO kablam!     Checking uuid v0.5.1
Sep 01 15:32:57.051 INFO kablam!     Checking flate2 v1.0.1
Sep 01 15:32:57.095 INFO kablam!     Checking serde_urlencoded v0.5.1
Sep 01 15:32:57.950 INFO kablam!     Checking chrono v0.4.0
Sep 01 15:32:59.131 INFO kablam!    Compiling openssl v0.9.23
Sep 01 15:32:59.232 INFO kablam!     Checking serde-value v0.5.1
Sep 01 15:32:59.347 INFO kablam!     Checking serde_yaml v0.7.3
Sep 01 15:32:59.997 INFO kablam!     Checking backtrace v0.3.5
Sep 01 15:33:00.849 INFO kablam!     Checking mio v0.6.12
Sep 01 15:33:02.357 INFO kablam!     Checking tokio-io v0.1.4
Sep 01 15:33:03.525 INFO kablam!     Checking failure v0.1.1
Sep 01 15:33:10.775 INFO kablam!     Checking log4rs v0.8.0
Sep 01 15:33:11.615 INFO kablam!     Checking tokio-core v0.1.12
Sep 01 15:33:12.228 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 01 15:33:12.228 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Sep 01 15:33:12.228 INFO kablam!    |
Sep 01 15:33:12.228 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.228 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.228 INFO kablam!    |
Sep 01 15:33:12.228 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.228 INFO kablam! 
Sep 01 15:33:12.229 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 01 15:33:12.229 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Sep 01 15:33:12.229 INFO kablam!    |
Sep 01 15:33:12.229 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.229 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.229 INFO kablam!    |
Sep 01 15:33:12.229 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.229 INFO kablam! 
Sep 01 15:33:12.229 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 01 15:33:12.229 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 01 15:33:12.229 INFO kablam!    |
Sep 01 15:33:12.229 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.229 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.229 INFO kablam!    |
Sep 01 15:33:12.229 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.229 INFO kablam! 
Sep 01 15:33:12.229 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 01 15:33:12.229 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Sep 01 15:33:12.230 INFO kablam!    |
Sep 01 15:33:12.230 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.230 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.230 INFO kablam!    |
Sep 01 15:33:12.230 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.230 INFO kablam! 
Sep 01 15:33:12.230 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 01 15:33:12.230 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 01 15:33:12.230 INFO kablam!    |
Sep 01 15:33:12.230 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.230 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.230 INFO kablam!    |
Sep 01 15:33:12.230 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.230 INFO kablam! 
Sep 01 15:33:12.230 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 01 15:33:12.230 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 01 15:33:12.230 INFO kablam!    |
Sep 01 15:33:12.230 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.230 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.254 INFO kablam!    |
Sep 01 15:33:12.255 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.255 INFO kablam! 
Sep 01 15:33:12.255 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 01 15:33:12.255 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Sep 01 15:33:12.255 INFO kablam!    |
Sep 01 15:33:12.255 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 15:33:12.255 INFO kablam!    |   ^^^^^
Sep 01 15:33:12.255 INFO kablam!    |
Sep 01 15:33:12.255 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 15:33:12.255 INFO kablam! 
Sep 01 15:33:12.393 INFO kablam! error: aborting due to 7 previous errors
Sep 01 15:33:12.393 INFO kablam! 
Sep 01 15:33:12.393 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 15:33:12.436 INFO kablam! error: Could not compile `log4rs`.
Sep 01 15:33:12.437 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 15:33:18.139 INFO kablam! error: build failed
Sep 01 15:33:18.141 INFO kablam! su: No module specific data is present
Sep 01 15:33:18.534 INFO running `"docker" "rm" "-f" "57ca69f554a725481aff21a611cdf4e62b077ba66227e23463d004c37aa96337"`
Sep 01 15:33:18.668 INFO blam! 57ca69f554a725481aff21a611cdf4e62b077ba66227e23463d004c37aa96337