Sep 05 18:51:28.513 INFO checking futurice/rusty-build-light against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 18:51:28.513 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 18:51:28.513 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 18:51:28.969 INFO blam! 9c0e5e9ff45cc8c8f081c8753569aa33e8fbe5ea87eafb242089124813d156af
Sep 05 18:51:28.981 INFO running `"docker" "start" "-a" "9c0e5e9ff45cc8c8f081c8753569aa33e8fbe5ea87eafb242089124813d156af"`
Sep 05 18:51:30.412 INFO kablam! usermod: no changes
Sep 05 18:51:30.686 INFO kablam!     Checking libc v0.2.35
Sep 05 18:51:30.710 INFO kablam!     Checking linked-hash-map v0.5.0
Sep 05 18:51:30.715 INFO kablam!    Compiling rusty_build_light v0.1.0 (file:///source)
Sep 05 18:51:30.715 INFO kablam!    Compiling openssl-sys v0.9.23
Sep 05 18:51:30.719 INFO kablam!     Checking unreachable v0.1.1
Sep 05 18:51:30.719 INFO kablam!    Compiling wiringpi v0.2.4
Sep 05 18:51:30.719 INFO kablam!     Checking humantime v1.0.0
Sep 05 18:51:31.353 INFO kablam! warning: unused import: `std::ffi::OsString`
Sep 05 18:51:31.353 INFO kablam!  --> build.rs:2:5
Sep 05 18:51:31.354 INFO kablam!   |
Sep 05 18:51:31.354 INFO kablam! 2 | use std::ffi::OsString;
Sep 05 18:51:31.354 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 05 18:51:31.354 INFO kablam!   |
Sep 05 18:51:31.354 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 05 18:51:31.354 INFO kablam! 
Sep 05 18:51:31.481 INFO kablam!     Checking log v0.3.9
Sep 05 18:51:33.928 INFO kablam!     Checking ordered-float v0.5.0
Sep 05 18:51:33.947 INFO kablam!     Checking yaml-rust v0.4.0
Sep 05 18:51:33.947 INFO kablam!     Checking iovec v0.1.1
Sep 05 18:51:33.965 INFO kablam!     Checking net2 v0.2.31
Sep 05 18:51:34.046 INFO kablam!     Checking rand v0.3.20
Sep 05 18:51:35.278 INFO kablam!     Checking num_cpus v1.8.0
Sep 05 18:51:35.341 INFO kablam!     Checking time v0.1.39
Sep 05 18:51:35.905 INFO kablam!     Checking backtrace-sys v0.1.16
Sep 05 18:51:35.973 INFO kablam!     Checking miniz-sys v0.1.10
Sep 05 18:51:36.457 INFO kablam!     Checking nix v0.9.0
Sep 05 18:51:36.910 INFO kablam!     Checking bytes v0.4.6
Sep 05 18:51:37.029 INFO kablam!     Checking serde-value v0.5.1
Sep 05 18:51:37.683 INFO kablam!     Checking backtrace v0.3.5
Sep 05 18:51:39.290 INFO kablam!     Checking flate2 v1.0.1
Sep 05 18:51:39.498 INFO kablam!     Checking futures-cpupool v0.1.8
Sep 05 18:51:40.937 INFO kablam!     Checking mio v0.6.12
Sep 05 18:51:41.031 INFO kablam!     Checking serde_yaml v0.7.3
Sep 05 18:51:41.774 INFO kablam!     Checking chrono v0.4.0
Sep 05 18:51:42.170 INFO kablam!     Checking failure v0.1.1
Sep 05 18:51:43.766 INFO kablam!    Compiling openssl v0.9.23
Sep 05 18:51:43.847 INFO kablam!     Checking tokio-io v0.1.4
Sep 05 18:51:44.498 INFO kablam!     Checking uuid v0.5.1
Sep 05 18:51:49.478 INFO kablam!     Checking log4rs v0.8.0
Sep 05 18:51:49.834 INFO kablam!    Compiling phf_generator v0.7.21
Sep 05 18:51:50.378 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 05 18:51:50.378 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.378 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.378 INFO kablam! 
Sep 05 18:51:50.378 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 05 18:51:50.378 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.378 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.378 INFO kablam! 
Sep 05 18:51:50.378 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 05 18:51:50.378 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 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.378 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.378 INFO kablam! 
Sep 05 18:51:50.378 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 05 18:51:50.378 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 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.378 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.378 INFO kablam! 
Sep 05 18:51:50.378 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 05 18:51:50.378 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 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.378 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.378 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.378 INFO kablam!    |
Sep 05 18:51:50.379 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.379 INFO kablam! 
Sep 05 18:51:50.379 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 05 18:51:50.379 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 05 18:51:50.379 INFO kablam!    |
Sep 05 18:51:50.379 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.379 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.379 INFO kablam!    |
Sep 05 18:51:50.379 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.379 INFO kablam! 
Sep 05 18:51:50.379 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 05 18:51:50.379 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Sep 05 18:51:50.379 INFO kablam!    |
Sep 05 18:51:50.379 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 05 18:51:50.379 INFO kablam!    |   ^^^^^
Sep 05 18:51:50.379 INFO kablam!    |
Sep 05 18:51:50.379 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 18:51:50.379 INFO kablam! 
Sep 05 18:51:50.434 INFO kablam! error: aborting due to 7 previous errors
Sep 05 18:51:50.434 INFO kablam! 
Sep 05 18:51:50.434 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 18:51:50.454 INFO kablam! error: Could not compile `log4rs`.
Sep 05 18:51:50.454 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 18:51:54.586 INFO kablam! error: build failed
Sep 05 18:51:54.597 INFO kablam! su: No module specific data is present
Sep 05 18:51:55.799 INFO running `"docker" "rm" "-f" "9c0e5e9ff45cc8c8f081c8753569aa33e8fbe5ea87eafb242089124813d156af"`
Sep 05 18:51:56.074 INFO blam! 9c0e5e9ff45cc8c8f081c8753569aa33e8fbe5ea87eafb242089124813d156af