Sep 04 07:17:43.343 INFO checking scavenger-1.0.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 07:17:43.343 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 07:17:43.343 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:17:43.621 INFO blam! ce39bb1d1e3673e7fd0e1fc4f663444795178f7d614233d108cdf2821415bbad
Sep 04 07:17:43.623 INFO running `"docker" "start" "-a" "ce39bb1d1e3673e7fd0e1fc4f663444795178f7d614233d108cdf2821415bbad"`
Sep 04 07:17:44.817 INFO kablam!    Compiling scavenger v1.0.0 (file:///source)
Sep 04 07:17:44.821 INFO kablam!     Checking core_affinity v0.5.9
Sep 04 07:17:44.822 INFO kablam!     Checking clap v2.30.0
Sep 04 07:17:44.824 INFO kablam!     Checking want v0.0.6
Sep 04 07:17:44.824 INFO kablam!     Checking tokio-codec v0.1.0
Sep 04 07:17:44.825 INFO kablam!     Checking h2 v0.1.12
Sep 04 07:17:44.825 INFO kablam!     Checking tokio-reactor v0.1.5
Sep 04 07:17:44.825 INFO kablam!     Checking mio-uds v0.6.6
Sep 04 07:17:47.721 INFO kablam!     Checking ct-logs v0.4.0
Sep 04 07:17:47.818 INFO kablam!     Checking rustls v0.13.1
Sep 04 07:17:48.945 INFO kablam!     Checking log4rs v0.8.0
Sep 04 07:17:48.982 INFO kablam!     Checking tokio-fs v0.1.3
Sep 04 07:17:49.471 INFO kablam!     Checking stopwatch v0.0.7
Sep 04 07:17:53.268 INFO kablam!     Checking tokio-udp v0.1.2
Sep 04 07:17:53.270 INFO kablam!     Checking tokio-tcp v0.1.1
Sep 04 07:17:54.011 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 04 07:17:54.011 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Sep 04 07:17:54.011 INFO kablam!    |
Sep 04 07:17:54.011 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.011 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.011 INFO kablam!    |
Sep 04 07:17:54.011 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.011 INFO kablam! 
Sep 04 07:17:54.012 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 04 07:17:54.012 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Sep 04 07:17:54.012 INFO kablam!    |
Sep 04 07:17:54.012 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.012 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.012 INFO kablam!    |
Sep 04 07:17:54.012 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.012 INFO kablam! 
Sep 04 07:17:54.012 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 04 07:17:54.012 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 04 07:17:54.012 INFO kablam!    |
Sep 04 07:17:54.012 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.012 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.012 INFO kablam!    |
Sep 04 07:17:54.012 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.013 INFO kablam! 
Sep 04 07:17:54.013 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 04 07:17:54.013 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 04 07:17:54.013 INFO kablam!    |
Sep 04 07:17:54.013 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.013 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.013 INFO kablam!    |
Sep 04 07:17:54.013 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.013 INFO kablam! 
Sep 04 07:17:54.013 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 04 07:17:54.013 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 04 07:17:54.013 INFO kablam!    |
Sep 04 07:17:54.013 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.013 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.013 INFO kablam!    |
Sep 04 07:17:54.013 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.013 INFO kablam! 
Sep 04 07:17:54.013 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 04 07:17:54.013 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 04 07:17:54.014 INFO kablam!    |
Sep 04 07:17:54.014 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.014 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.014 INFO kablam!    |
Sep 04 07:17:54.014 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.014 INFO kablam! 
Sep 04 07:17:54.014 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 04 07:17:54.014 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Sep 04 07:17:54.014 INFO kablam!    |
Sep 04 07:17:54.014 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 07:17:54.014 INFO kablam!    |   ^^^^^
Sep 04 07:17:54.014 INFO kablam!    |
Sep 04 07:17:54.014 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 07:17:54.014 INFO kablam! 
Sep 04 07:17:54.212 INFO kablam! error: aborting due to 7 previous errors
Sep 04 07:17:54.212 INFO kablam! 
Sep 04 07:17:54.212 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 07:17:54.221 INFO kablam! error: Could not compile `log4rs`.
Sep 04 07:17:54.221 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:18:03.682 INFO kablam! error: build failed
Sep 04 07:18:03.684 INFO kablam! su: No module specific data is present
Sep 04 07:18:04.217 INFO running `"docker" "rm" "-f" "ce39bb1d1e3673e7fd0e1fc4f663444795178f7d614233d108cdf2821415bbad"`
Sep 04 07:18:04.326 INFO blam! ce39bb1d1e3673e7fd0e1fc4f663444795178f7d614233d108cdf2821415bbad