Sep 10 18:49:56.509 INFO checking futures-await-test-preview-0.3.0-alpha.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:49:56.509 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:49:56.509 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:49:56.735 INFO blam! b1ce13094bf3af3e48df932716063d789aebce3e8cfb601bd802be7ee640b2d0
Sep 10 18:49:56.737 INFO running `"docker" "start" "-a" "b1ce13094bf3af3e48df932716063d789aebce3e8cfb601bd802be7ee640b2d0"`
Sep 10 18:49:57.716 INFO kablam! usermod: no changes
Sep 10 18:49:57.817 INFO kablam!    Compiling either v1.5.0
Sep 10 18:49:57.829 INFO kablam!    Compiling pin-utils v0.1.0-alpha.2
Sep 10 18:49:57.830 INFO kablam!     Checking slab v0.4.1
Sep 10 18:49:57.843 INFO kablam!     Checking num_cpus v1.8.0
Sep 10 18:49:57.843 INFO kablam!    Compiling syn v0.14.9
Sep 10 18:49:59.442 INFO kablam!     Checking futures-core-preview v0.3.0-alpha.5
Sep 10 18:50:00.295 INFO kablam!    Compiling futures-channel-preview v0.3.0-alpha.5
Sep 10 18:50:00.295 INFO kablam!    Compiling futures-io-preview v0.3.0-alpha.5
Sep 10 18:50:01.646 INFO kablam!     Checking futures-sink-preview v0.3.0-alpha.5
Sep 10 18:50:02.158 INFO kablam!     Checking futures-util-preview v0.3.0-alpha.5
Sep 10 18:50:03.146 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.146 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/chain.rs:7:1
Sep 10 18:50:03.146 INFO kablam!   |
Sep 10 18:50:03.146 INFO kablam! 7 | crate enum Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.146 INFO kablam!   | ^^^^^
Sep 10 18:50:03.146 INFO kablam!   |
Sep 10 18:50:03.146 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.146 INFO kablam! 
Sep 10 18:50:03.146 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.146 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/chain.rs:17:5
Sep 10 18:50:03.146 INFO kablam!    |
Sep 10 18:50:03.146 INFO kablam! 17 |     crate fn new(fut1: Fut1, data: Data) -> Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.146 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.146 INFO kablam!    |
Sep 10 18:50:03.146 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.146 INFO kablam! 
Sep 10 18:50:03.146 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.146 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/chain.rs:21:5
Sep 10 18:50:03.146 INFO kablam!    |
Sep 10 18:50:03.146 INFO kablam! 21 |     crate fn poll<F>(
Sep 10 18:50:03.146 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.146 INFO kablam!    |
Sep 10 18:50:03.147 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.147 INFO kablam! 
Sep 10 18:50:03.147 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.147 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/mod.rs:68:1
Sep 10 18:50:03.147 INFO kablam!    |
Sep 10 18:50:03.147 INFO kablam! 68 | crate use self::chain::Chain;
Sep 10 18:50:03.147 INFO kablam!    | ^^^^^
Sep 10 18:50:03.147 INFO kablam!    |
Sep 10 18:50:03.147 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.147 INFO kablam! 
Sep 10 18:50:03.148 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.148 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:7:1
Sep 10 18:50:03.148 INFO kablam!   |
Sep 10 18:50:03.148 INFO kablam! 7 | crate enum TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.148 INFO kablam!   | ^^^^^
Sep 10 18:50:03.148 INFO kablam!   |
Sep 10 18:50:03.148 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.148 INFO kablam! 
Sep 10 18:50:03.148 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.148 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:13:1
Sep 10 18:50:03.148 INFO kablam!    |
Sep 10 18:50:03.148 INFO kablam! 13 | crate enum TryChainAction<Fut2>
Sep 10 18:50:03.148 INFO kablam!    | ^^^^^
Sep 10 18:50:03.148 INFO kablam!    |
Sep 10 18:50:03.148 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.148 INFO kablam! 
Sep 10 18:50:03.148 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.148 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:24:5
Sep 10 18:50:03.148 INFO kablam!    |
Sep 10 18:50:03.148 INFO kablam! 24 |     crate fn new(fut1: Fut1, data: Data) -> TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.148 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.148 INFO kablam!    |
Sep 10 18:50:03.148 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.148 INFO kablam! 
Sep 10 18:50:03.148 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.148 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:28:5
Sep 10 18:50:03.148 INFO kablam!    |
Sep 10 18:50:03.148 INFO kablam! 28 |     crate fn poll<F>(
Sep 10 18:50:03.148 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.148 INFO kablam!    |
Sep 10 18:50:03.149 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.149 INFO kablam! 
Sep 10 18:50:03.150 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.150 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/mod.rs:59:1
Sep 10 18:50:03.150 INFO kablam!    |
Sep 10 18:50:03.150 INFO kablam! 59 | crate use self::try_chain::{TryChain, TryChainAction};
Sep 10 18:50:03.150 INFO kablam!    | ^^^^^
Sep 10 18:50:03.150 INFO kablam!    |
Sep 10 18:50:03.150 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.150 INFO kablam! 
Sep 10 18:50:03.190 INFO kablam! error: aborting due to 9 previous errors
Sep 10 18:50:03.190 INFO kablam! 
Sep 10 18:50:03.190 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 18:50:03.214 INFO kablam! error: Could not compile `futures-util-preview`.
Sep 10 18:50:03.214 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 18:50:03.834 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.834 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/chain.rs:7:1
Sep 10 18:50:03.834 INFO kablam!   |
Sep 10 18:50:03.834 INFO kablam! 7 | crate enum Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.834 INFO kablam!   | ^^^^^
Sep 10 18:50:03.834 INFO kablam!   |
Sep 10 18:50:03.834 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.834 INFO kablam! 
Sep 10 18:50:03.834 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.834 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/chain.rs:17:5
Sep 10 18:50:03.834 INFO kablam!    |
Sep 10 18:50:03.834 INFO kablam! 17 |     crate fn new(fut1: Fut1, data: Data) -> Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.834 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.834 INFO kablam!    |
Sep 10 18:50:03.834 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.834 INFO kablam! 
Sep 10 18:50:03.834 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.834 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/chain.rs:21:5
Sep 10 18:50:03.834 INFO kablam!    |
Sep 10 18:50:03.834 INFO kablam! 21 |     crate fn poll<F>(
Sep 10 18:50:03.834 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.834 INFO kablam!    |
Sep 10 18:50:03.834 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.834 INFO kablam! 
Sep 10 18:50:03.834 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.835 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/future/mod.rs:68:1
Sep 10 18:50:03.835 INFO kablam!    |
Sep 10 18:50:03.835 INFO kablam! 68 | crate use self::chain::Chain;
Sep 10 18:50:03.835 INFO kablam!    | ^^^^^
Sep 10 18:50:03.835 INFO kablam!    |
Sep 10 18:50:03.835 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.835 INFO kablam! 
Sep 10 18:50:03.837 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.837 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:7:1
Sep 10 18:50:03.837 INFO kablam!   |
Sep 10 18:50:03.837 INFO kablam! 7 | crate enum TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.837 INFO kablam!   | ^^^^^
Sep 10 18:50:03.837 INFO kablam!   |
Sep 10 18:50:03.837 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.837 INFO kablam! 
Sep 10 18:50:03.837 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.837 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:13:1
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam! 13 | crate enum TryChainAction<Fut2>
Sep 10 18:50:03.837 INFO kablam!    | ^^^^^
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.837 INFO kablam! 
Sep 10 18:50:03.837 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.837 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:24:5
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam! 24 |     crate fn new(fut1: Fut1, data: Data) -> TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.837 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.837 INFO kablam! 
Sep 10 18:50:03.837 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.837 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/try_chain.rs:28:5
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam! 28 |     crate fn poll<F>(
Sep 10 18:50:03.837 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.837 INFO kablam! 
Sep 10 18:50:03.837 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.837 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.5/src/try_future/mod.rs:59:1
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam! 59 | crate use self::try_chain::{TryChain, TryChainAction};
Sep 10 18:50:03.837 INFO kablam!    | ^^^^^
Sep 10 18:50:03.837 INFO kablam!    |
Sep 10 18:50:03.837 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.837 INFO kablam! 
Sep 10 18:50:03.906 INFO kablam! error: aborting due to 9 previous errors
Sep 10 18:50:03.906 INFO kablam! 
Sep 10 18:50:03.906 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 18:50:03.922 INFO kablam! error: Could not compile `futures-util-preview`.
Sep 10 18:50:03.922 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 18:50:18.282 INFO kablam! error: build failed
Sep 10 18:50:18.283 INFO kablam! su: No module specific data is present
Sep 10 18:50:19.029 INFO running `"docker" "rm" "-f" "b1ce13094bf3af3e48df932716063d789aebce3e8cfb601bd802be7ee640b2d0"`
Sep 10 18:50:19.124 INFO blam! b1ce13094bf3af3e48df932716063d789aebce3e8cfb601bd802be7ee640b2d0