Sep 10 16:23:11.799 INFO checking iota-lib-rs-preview-0.1.6 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:23:11.799 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:23:11.799 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/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 16:23:11.979 INFO blam! 45672f868f62b294963e4902e30ccfea9108f0aea76b0d895030b1c82e5a1d54
Sep 10 16:23:11.981 INFO running `"docker" "start" "-a" "45672f868f62b294963e4902e30ccfea9108f0aea76b0d895030b1c82e5a1d54"`
Sep 10 16:23:12.874 INFO kablam! usermod: no changes
Sep 10 16:23:12.902 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 10 16:23:13.190 INFO kablam!     Checking pin-utils v0.1.0-alpha.2
Sep 10 16:23:13.190 INFO kablam!    Compiling crunchy v0.2.1
Sep 10 16:23:13.198 INFO kablam!     Checking futures-core-preview v0.3.0-alpha.5
Sep 10 16:23:13.198 INFO kablam!     Checking itertools v0.7.8
Sep 10 16:23:13.867 INFO kablam!     Checking futures-channel-preview v0.3.0-alpha.5
Sep 10 16:23:13.872 INFO kablam!     Checking futures-io-preview v0.3.0-alpha.5
Sep 10 16:23:14.758 INFO kablam!     Checking futures-sink-preview v0.3.0-alpha.5
Sep 10 16:23:15.215 INFO kablam!     Checking futures-util-preview v0.3.0-alpha.5
Sep 10 16:23:16.166 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.166 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 16:23:16.166 INFO kablam!   |
Sep 10 16:23:16.166 INFO kablam! 7 | crate enum Chain<Fut1, Fut2, Data> {
Sep 10 16:23:16.166 INFO kablam!   | ^^^^^
Sep 10 16:23:16.166 INFO kablam!   |
Sep 10 16:23:16.166 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.166 INFO kablam! 
Sep 10 16:23:16.166 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.166 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 16:23:16.167 INFO kablam!    |
Sep 10 16:23:16.167 INFO kablam! 17 |     crate fn new(fut1: Fut1, data: Data) -> Chain<Fut1, Fut2, Data> {
Sep 10 16:23:16.167 INFO kablam!    |     ^^^^^
Sep 10 16:23:16.167 INFO kablam!    |
Sep 10 16:23:16.167 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.167 INFO kablam! 
Sep 10 16:23:16.167 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.167 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 16:23:16.167 INFO kablam!    |
Sep 10 16:23:16.167 INFO kablam! 21 |     crate fn poll<F>(
Sep 10 16:23:16.167 INFO kablam!    |     ^^^^^
Sep 10 16:23:16.167 INFO kablam!    |
Sep 10 16:23:16.167 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.167 INFO kablam! 
Sep 10 16:23:16.167 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.167 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 16:23:16.167 INFO kablam!    |
Sep 10 16:23:16.167 INFO kablam! 68 | crate use self::chain::Chain;
Sep 10 16:23:16.167 INFO kablam!    | ^^^^^
Sep 10 16:23:16.167 INFO kablam!    |
Sep 10 16:23:16.167 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.167 INFO kablam! 
Sep 10 16:23:16.178 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.178 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 16:23:16.178 INFO kablam!   |
Sep 10 16:23:16.178 INFO kablam! 7 | crate enum TryChain<Fut1, Fut2, Data> {
Sep 10 16:23:16.178 INFO kablam!   | ^^^^^
Sep 10 16:23:16.178 INFO kablam!   |
Sep 10 16:23:16.178 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.178 INFO kablam! 
Sep 10 16:23:16.178 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.178 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 16:23:16.178 INFO kablam!    |
Sep 10 16:23:16.178 INFO kablam! 13 | crate enum TryChainAction<Fut2>
Sep 10 16:23:16.178 INFO kablam!    | ^^^^^
Sep 10 16:23:16.178 INFO kablam!    |
Sep 10 16:23:16.178 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.178 INFO kablam! 
Sep 10 16:23:16.178 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.178 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 16:23:16.178 INFO kablam!    |
Sep 10 16:23:16.178 INFO kablam! 24 |     crate fn new(fut1: Fut1, data: Data) -> TryChain<Fut1, Fut2, Data> {
Sep 10 16:23:16.178 INFO kablam!    |     ^^^^^
Sep 10 16:23:16.178 INFO kablam!    |
Sep 10 16:23:16.178 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.178 INFO kablam! 
Sep 10 16:23:16.178 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.178 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 16:23:16.178 INFO kablam!    |
Sep 10 16:23:16.178 INFO kablam! 28 |     crate fn poll<F>(
Sep 10 16:23:16.178 INFO kablam!    |     ^^^^^
Sep 10 16:23:16.178 INFO kablam!    |
Sep 10 16:23:16.178 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.178 INFO kablam! 
Sep 10 16:23:16.178 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 16:23:16.179 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 16:23:16.179 INFO kablam!    |
Sep 10 16:23:16.179 INFO kablam! 59 | crate use self::try_chain::{TryChain, TryChainAction};
Sep 10 16:23:16.179 INFO kablam!    | ^^^^^
Sep 10 16:23:16.179 INFO kablam!    |
Sep 10 16:23:16.179 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 16:23:16.179 INFO kablam! 
Sep 10 16:23:16.206 INFO kablam! error: aborting due to 9 previous errors
Sep 10 16:23:16.206 INFO kablam! 
Sep 10 16:23:16.206 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 16:23:16.209 INFO kablam! error: Could not compile `futures-util-preview`.
Sep 10 16:23:16.209 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 16:23:16.374 INFO kablam! error: build failed
Sep 10 16:23:16.378 INFO kablam! su: No module specific data is present
Sep 10 16:23:17.129 INFO running `"docker" "rm" "-f" "45672f868f62b294963e4902e30ccfea9108f0aea76b0d895030b1c82e5a1d54"`
Sep 10 16:23:17.245 INFO blam! 45672f868f62b294963e4902e30ccfea9108f0aea76b0d895030b1c82e5a1d54