Sep 21 12:44:29.470 INFO checking buildable-0.0.5 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 12:44:29.470 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 12:44:29.470 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:44:29.794 INFO blam! f2ef21441770926604a9bee03d4ee522cf1783304fafe9382f944cad106599dd
Sep 21 12:44:29.796 INFO running `"docker" "start" "-a" "f2ef21441770926604a9bee03d4ee522cf1783304fafe9382f944cad106599dd"`
Sep 21 12:44:31.014 INFO kablam! usermod: no changes
Sep 21 12:44:31.101 INFO kablam!     Checking buildable v0.0.5 (/source)
Sep 21 12:44:31.223 INFO kablam! warning: unknown lint: `unstable`
Sep 21 12:44:31.223 INFO kablam!   --> src/lib.rs:12:10
Sep 21 12:44:31.223 INFO kablam!    |
Sep 21 12:44:31.223 INFO kablam! 12 | #![allow(unstable)]
Sep 21 12:44:31.223 INFO kablam!    |          ^^^^^^^^
Sep 21 12:44:31.223 INFO kablam!    |
Sep 21 12:44:31.223 INFO kablam!    = note: #[warn(unknown_lints)] on by default
Sep 21 12:44:31.223 INFO kablam! 
Sep 21 12:44:31.223 INFO kablam! error[E0658]: non-builtin inner attributes are unstable (see issue #38356)
Sep 21 12:44:31.223 INFO kablam!   --> src/lib.rs:11:1
Sep 21 12:44:31.223 INFO kablam!    |
Sep 21 12:44:31.223 INFO kablam! 11 | #![experimental]
Sep 21 12:44:31.223 INFO kablam!    | ^^^^^^^^^^^^^^^^
Sep 21 12:44:31.223 INFO kablam!    |
Sep 21 12:44:31.223 INFO kablam!    = help: add #![feature(custom_inner_attributes)] to the crate attributes to enable
Sep 21 12:44:31.223 INFO kablam! 
Sep 21 12:44:31.223 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 21 12:44:31.223 INFO kablam!   --> src/lib.rs:11:4
Sep 21 12:44:31.223 INFO kablam!    |
Sep 21 12:44:31.223 INFO kablam! 11 | #![experimental]
Sep 21 12:44:31.223 INFO kablam!    |    ^^^^^^^^^^^^
Sep 21 12:44:31.223 INFO kablam!    |
Sep 21 12:44:31.223 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 12:44:31.223 INFO kablam! 
Sep 21 12:44:31.232 INFO kablam! warning: unknown lint: `unstable`
Sep 21 12:44:31.232 INFO kablam!   --> src/lib.rs:12:10
Sep 21 12:44:31.232 INFO kablam!    |
Sep 21 12:44:31.232 INFO kablam! 12 | #![allow(unstable)]
Sep 21 12:44:31.232 INFO kablam!    |          ^^^^^^^^
Sep 21 12:44:31.232 INFO kablam!    |
Sep 21 12:44:31.232 INFO kablam!    = note: #[warn(unknown_lints)] on by default
Sep 21 12:44:31.232 INFO kablam! 
Sep 21 12:44:31.232 INFO kablam! error[E0658]: non-builtin inner attributes are unstable (see issue #38356)
Sep 21 12:44:31.232 INFO kablam!   --> src/lib.rs:11:1
Sep 21 12:44:31.232 INFO kablam!    |
Sep 21 12:44:31.232 INFO kablam! 11 | #![experimental]
Sep 21 12:44:31.233 INFO kablam!    | ^^^^^^^^^^^^^^^^
Sep 21 12:44:31.233 INFO kablam!    |
Sep 21 12:44:31.233 INFO kablam!    = help: add #![feature(custom_inner_attributes)] to the crate attributes to enable
Sep 21 12:44:31.233 INFO kablam! 
Sep 21 12:44:31.233 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 21 12:44:31.233 INFO kablam!   --> src/lib.rs:11:4
Sep 21 12:44:31.233 INFO kablam!    |
Sep 21 12:44:31.233 INFO kablam! 11 | #![experimental]
Sep 21 12:44:31.233 INFO kablam!    |    ^^^^^^^^^^^^
Sep 21 12:44:31.233 INFO kablam!    |
Sep 21 12:44:31.233 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 12:44:31.233 INFO kablam! 
Sep 21 12:44:31.547 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 21 12:44:31.547 INFO kablam!   --> src/lib.rs:20:3
Sep 21 12:44:31.547 INFO kablam!    |
Sep 21 12:44:31.547 INFO kablam! 20 | #[experimental]
Sep 21 12:44:31.547 INFO kablam!    |   ^^^^^^^^^^^^
Sep 21 12:44:31.547 INFO kablam!    |
Sep 21 12:44:31.547 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 12:44:31.547 INFO kablam! 
Sep 21 12:44:31.551 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 21 12:44:31.551 INFO kablam!    --> src/lib.rs:196:3
Sep 21 12:44:31.551 INFO kablam!     |
Sep 21 12:44:31.551 INFO kablam! 196 | #[experimental]
Sep 21 12:44:31.551 INFO kablam!     |   ^^^^^^^^^^^^
Sep 21 12:44:31.553 INFO kablam!     |
Sep 21 12:44:31.553 INFO kablam!     = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 12:44:31.553 INFO kablam! 
Sep 21 12:44:31.557 INFO kablam! error: aborting due to 4 previous errors
Sep 21 12:44:31.557 INFO kablam! 
Sep 21 12:44:31.557 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 12:44:31.566 INFO kablam! error: Could not compile `buildable`.
Sep 21 12:44:31.566 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 12:44:31.590 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 21 12:44:31.590 INFO kablam!   --> src/lib.rs:20:3
Sep 21 12:44:31.590 INFO kablam!    |
Sep 21 12:44:31.590 INFO kablam! 20 | #[experimental]
Sep 21 12:44:31.590 INFO kablam!    |   ^^^^^^^^^^^^
Sep 21 12:44:31.590 INFO kablam!    |
Sep 21 12:44:31.590 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 12:44:31.590 INFO kablam! 
Sep 21 12:44:31.594 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 21 12:44:31.594 INFO kablam!    --> src/lib.rs:196:3
Sep 21 12:44:31.594 INFO kablam!     |
Sep 21 12:44:31.594 INFO kablam! 196 | #[experimental]
Sep 21 12:44:31.594 INFO kablam!     |   ^^^^^^^^^^^^
Sep 21 12:44:31.594 INFO kablam!     |
Sep 21 12:44:31.594 INFO kablam!     = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 21 12:44:31.594 INFO kablam! 
Sep 21 12:44:31.694 INFO kablam! error: aborting due to 4 previous errors
Sep 21 12:44:31.694 INFO kablam! 
Sep 21 12:44:31.694 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 12:44:31.694 INFO kablam! error: Could not compile `buildable`.
Sep 21 12:44:31.694 INFO kablam! 
Sep 21 12:44:31.694 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 12:44:31.695 INFO kablam! su: No module specific data is present
Sep 21 12:44:32.465 INFO running `"docker" "rm" "-f" "f2ef21441770926604a9bee03d4ee522cf1783304fafe9382f944cad106599dd"`
Sep 21 12:44:32.538 INFO blam! f2ef21441770926604a9bee03d4ee522cf1783304fafe9382f944cad106599dd