Sep 05 01:31:38.158 INFO checking buildable-0.0.5 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 05 01:31:38.158 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 05 01:31:38.158 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/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 05 01:31:38.335 INFO blam! 977736967b40970405b43511be4b038d7cac00e9f7e0312cf1d82380c9543b11
Sep 05 01:31:38.336 INFO running `"docker" "start" "-a" "977736967b40970405b43511be4b038d7cac00e9f7e0312cf1d82380c9543b11"`
Sep 05 01:31:38.994 INFO kablam!     Checking buildable v0.0.5 (file:///source)
Sep 05 01:31:39.055 INFO kablam! warning: unknown lint: `unstable`
Sep 05 01:31:39.055 INFO kablam!   --> src/lib.rs:12:10
Sep 05 01:31:39.055 INFO kablam!    |
Sep 05 01:31:39.055 INFO kablam! 12 | #![allow(unstable)]
Sep 05 01:31:39.055 INFO kablam!    |          ^^^^^^^^
Sep 05 01:31:39.055 INFO kablam!    |
Sep 05 01:31:39.055 INFO kablam!    = note: #[warn(unknown_lints)] on by default
Sep 05 01:31:39.055 INFO kablam! 
Sep 05 01:31:39.055 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 01:31:39.055 INFO kablam!   --> src/lib.rs:11:4
Sep 05 01:31:39.055 INFO kablam!    |
Sep 05 01:31:39.055 INFO kablam! 11 | #![experimental]
Sep 05 01:31:39.055 INFO kablam!    |    ^^^^^^^^^^^^
Sep 05 01:31:39.055 INFO kablam!    |
Sep 05 01:31:39.055 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 01:31:39.055 INFO kablam! 
Sep 05 01:31:39.059 INFO kablam! warning: unknown lint: `unstable`
Sep 05 01:31:39.059 INFO kablam!   --> src/lib.rs:12:10
Sep 05 01:31:39.059 INFO kablam!    |
Sep 05 01:31:39.059 INFO kablam! 12 | #![allow(unstable)]
Sep 05 01:31:39.059 INFO kablam!    |          ^^^^^^^^
Sep 05 01:31:39.059 INFO kablam!    |
Sep 05 01:31:39.059 INFO kablam!    = note: #[warn(unknown_lints)] on by default
Sep 05 01:31:39.059 INFO kablam! 
Sep 05 01:31:39.060 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 01:31:39.060 INFO kablam!   --> src/lib.rs:11:4
Sep 05 01:31:39.060 INFO kablam!    |
Sep 05 01:31:39.060 INFO kablam! 11 | #![experimental]
Sep 05 01:31:39.060 INFO kablam!    |    ^^^^^^^^^^^^
Sep 05 01:31:39.060 INFO kablam!    |
Sep 05 01:31:39.061 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 01:31:39.061 INFO kablam! 
Sep 05 01:31:39.559 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 01:31:39.559 INFO kablam!   --> src/lib.rs:20:3
Sep 05 01:31:39.559 INFO kablam!    |
Sep 05 01:31:39.559 INFO kablam! 20 | #[experimental]
Sep 05 01:31:39.559 INFO kablam!    |   ^^^^^^^^^^^^
Sep 05 01:31:39.559 INFO kablam!    |
Sep 05 01:31:39.559 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 01:31:39.559 INFO kablam! 
Sep 05 01:31:39.561 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 01:31:39.561 INFO kablam!    --> src/lib.rs:196:3
Sep 05 01:31:39.561 INFO kablam!     |
Sep 05 01:31:39.561 INFO kablam! 196 | #[experimental]
Sep 05 01:31:39.561 INFO kablam!     |   ^^^^^^^^^^^^
Sep 05 01:31:39.561 INFO kablam!     |
Sep 05 01:31:39.561 INFO kablam!     = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 01:31:39.561 INFO kablam! 
Sep 05 01:31:39.566 INFO kablam! error: aborting due to 3 previous errors
Sep 05 01:31:39.566 INFO kablam! 
Sep 05 01:31:39.566 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 01:31:39.570 INFO kablam! error: Could not compile `buildable`.
Sep 05 01:31:39.570 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 01:31:39.574 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 01:31:39.574 INFO kablam!   --> src/lib.rs:20:3
Sep 05 01:31:39.574 INFO kablam!    |
Sep 05 01:31:39.574 INFO kablam! 20 | #[experimental]
Sep 05 01:31:39.574 INFO kablam!    |   ^^^^^^^^^^^^
Sep 05 01:31:39.574 INFO kablam!    |
Sep 05 01:31:39.574 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 01:31:39.574 INFO kablam! 
Sep 05 01:31:39.575 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 05 01:31:39.575 INFO kablam!    --> src/lib.rs:196:3
Sep 05 01:31:39.575 INFO kablam!     |
Sep 05 01:31:39.575 INFO kablam! 196 | #[experimental]
Sep 05 01:31:39.575 INFO kablam!     |   ^^^^^^^^^^^^
Sep 05 01:31:39.575 INFO kablam!     |
Sep 05 01:31:39.575 INFO kablam!     = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 05 01:31:39.575 INFO kablam! 
Sep 05 01:31:39.600 INFO kablam! error: aborting due to 3 previous errors
Sep 05 01:31:39.600 INFO kablam! 
Sep 05 01:31:39.601 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 05 01:31:39.605 INFO kablam! error: Could not compile `buildable`.
Sep 05 01:31:39.605 INFO kablam! 
Sep 05 01:31:39.605 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 01:31:39.606 INFO kablam! su: No module specific data is present
Sep 05 01:31:40.284 INFO running `"docker" "rm" "-f" "977736967b40970405b43511be4b038d7cac00e9f7e0312cf1d82380c9543b11"`
Sep 05 01:31:40.370 INFO blam! 977736967b40970405b43511be4b038d7cac00e9f7e0312cf1d82380c9543b11