Sep 10 18:49:56.748 INFO checking futures-await-test-preview-0.3.0-alpha.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 18:49:56.748 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 18:49:56.748 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:49:56.943 INFO blam! 7708c475ae02881867eb4f9b5a0732a8c297747dba389d5c87ce88cb517cf57e
Sep 10 18:49:56.945 INFO running `"docker" "start" "-a" "7708c475ae02881867eb4f9b5a0732a8c297747dba389d5c87ce88cb517cf57e"`
Sep 10 18:49:58.125 INFO kablam! usermod: no changes
Sep 10 18:49:58.297 INFO kablam!    Compiling either v1.5.0
Sep 10 18:49:58.297 INFO kablam!    Compiling pin-utils v0.1.0-alpha.2
Sep 10 18:49:58.298 INFO kablam!    Compiling syn v0.14.9
Sep 10 18:49:59.070 INFO kablam!    Compiling futures-core-preview v0.3.0-alpha.5
Sep 10 18:49:59.514 INFO kablam!    Compiling futures-channel-preview v0.3.0-alpha.5
Sep 10 18:49:59.514 INFO kablam!    Compiling futures-io-preview v0.3.0-alpha.5
Sep 10 18:50:01.174 INFO kablam!    Compiling futures-sink-preview v0.3.0-alpha.5
Sep 10 18:50:02.044 INFO kablam!    Compiling futures-util-preview v0.3.0-alpha.5
Sep 10 18:50:03.278 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.278 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 18:50:03.278 INFO kablam!   |
Sep 10 18:50:03.278 INFO kablam! 7 | crate enum Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.278 INFO kablam!   | ^^^^^
Sep 10 18:50:03.294 INFO kablam!   |
Sep 10 18:50:03.294 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.294 INFO kablam! 
Sep 10 18:50:03.294 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.294 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 18:50:03.294 INFO kablam!    |
Sep 10 18:50:03.294 INFO kablam! 17 |     crate fn new(fut1: Fut1, data: Data) -> Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.294 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.294 INFO kablam!    |
Sep 10 18:50:03.294 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.294 INFO kablam! 
Sep 10 18:50:03.294 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.294 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 18:50:03.294 INFO kablam!    |
Sep 10 18:50:03.294 INFO kablam! 21 |     crate fn poll<F>(
Sep 10 18:50:03.294 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.294 INFO kablam!    |
Sep 10 18:50:03.294 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.294 INFO kablam! 
Sep 10 18:50:03.294 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.294 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 18:50:03.294 INFO kablam!    |
Sep 10 18:50:03.294 INFO kablam! 68 | crate use self::chain::Chain;
Sep 10 18:50:03.294 INFO kablam!    | ^^^^^
Sep 10 18:50:03.294 INFO kablam!    |
Sep 10 18:50:03.294 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.294 INFO kablam! 
Sep 10 18:50:03.294 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.294 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 18:50:03.294 INFO kablam!   |
Sep 10 18:50:03.294 INFO kablam! 7 | crate enum TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.294 INFO kablam!   | ^^^^^
Sep 10 18:50:03.294 INFO kablam!   |
Sep 10 18:50:03.294 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.294 INFO kablam! 
Sep 10 18:50:03.294 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.294 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 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam! 13 | crate enum TryChainAction<Fut2>
Sep 10 18:50:03.295 INFO kablam!    | ^^^^^
Sep 10 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.295 INFO kablam! 
Sep 10 18:50:03.295 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.295 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 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam! 24 |     crate fn new(fut1: Fut1, data: Data) -> TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.295 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.295 INFO kablam! 
Sep 10 18:50:03.295 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.295 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 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam! 28 |     crate fn poll<F>(
Sep 10 18:50:03.295 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.295 INFO kablam! 
Sep 10 18:50:03.295 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.295 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 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam! 59 | crate use self::try_chain::{TryChain, TryChainAction};
Sep 10 18:50:03.295 INFO kablam!    | ^^^^^
Sep 10 18:50:03.295 INFO kablam!    |
Sep 10 18:50:03.295 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.295 INFO kablam! 
Sep 10 18:50:03.358 INFO kablam! error: aborting due to 9 previous errors
Sep 10 18:50:03.358 INFO kablam! 
Sep 10 18:50:03.358 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 18:50:03.367 INFO kablam! error: Could not compile `futures-util-preview`.
Sep 10 18:50:03.367 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 18:50:03.982 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.982 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 18:50:03.982 INFO kablam!   |
Sep 10 18:50:03.982 INFO kablam! 7 | crate enum Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.982 INFO kablam!   | ^^^^^
Sep 10 18:50:03.982 INFO kablam!   |
Sep 10 18:50:03.982 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.982 INFO kablam! 
Sep 10 18:50:03.982 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.982 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 18:50:03.982 INFO kablam!    |
Sep 10 18:50:03.982 INFO kablam! 17 |     crate fn new(fut1: Fut1, data: Data) -> Chain<Fut1, Fut2, Data> {
Sep 10 18:50:03.982 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.982 INFO kablam!    |
Sep 10 18:50:03.982 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.982 INFO kablam! 
Sep 10 18:50:03.982 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.982 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 18:50:03.982 INFO kablam!    |
Sep 10 18:50:03.982 INFO kablam! 21 |     crate fn poll<F>(
Sep 10 18:50:03.982 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.982 INFO kablam!    |
Sep 10 18:50:03.982 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.982 INFO kablam! 
Sep 10 18:50:03.982 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.982 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 18:50:03.982 INFO kablam!    |
Sep 10 18:50:03.982 INFO kablam! 68 | crate use self::chain::Chain;
Sep 10 18:50:03.983 INFO kablam!    | ^^^^^
Sep 10 18:50:03.983 INFO kablam!    |
Sep 10 18:50:03.983 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.983 INFO kablam! 
Sep 10 18:50:03.990 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.990 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 18:50:03.990 INFO kablam!   |
Sep 10 18:50:03.990 INFO kablam! 7 | crate enum TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.990 INFO kablam!   | ^^^^^
Sep 10 18:50:03.990 INFO kablam!   |
Sep 10 18:50:03.990 INFO kablam!   = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.990 INFO kablam! 
Sep 10 18:50:03.990 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.990 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 18:50:03.990 INFO kablam!    |
Sep 10 18:50:03.990 INFO kablam! 13 | crate enum TryChainAction<Fut2>
Sep 10 18:50:03.990 INFO kablam!    | ^^^^^
Sep 10 18:50:03.990 INFO kablam!    |
Sep 10 18:50:03.990 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.990 INFO kablam! 
Sep 10 18:50:03.990 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.990 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 18:50:03.990 INFO kablam!    |
Sep 10 18:50:03.990 INFO kablam! 24 |     crate fn new(fut1: Fut1, data: Data) -> TryChain<Fut1, Fut2, Data> {
Sep 10 18:50:03.990 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.990 INFO kablam!    |
Sep 10 18:50:03.990 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.990 INFO kablam! 
Sep 10 18:50:03.990 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.990 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 18:50:03.990 INFO kablam!    |
Sep 10 18:50:03.990 INFO kablam! 28 |     crate fn poll<F>(
Sep 10 18:50:03.990 INFO kablam!    |     ^^^^^
Sep 10 18:50:03.990 INFO kablam!    |
Sep 10 18:50:03.990 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.991 INFO kablam! 
Sep 10 18:50:03.991 INFO kablam! error[E0658]: `crate` visibility modifier is experimental (see issue #45388)
Sep 10 18:50:03.991 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 18:50:03.991 INFO kablam!    |
Sep 10 18:50:03.991 INFO kablam! 59 | crate use self::try_chain::{TryChain, TryChainAction};
Sep 10 18:50:03.991 INFO kablam!    | ^^^^^
Sep 10 18:50:03.991 INFO kablam!    |
Sep 10 18:50:03.991 INFO kablam!    = help: add #![feature(crate_visibility_modifier)] to the crate attributes to enable
Sep 10 18:50:03.991 INFO kablam! 
Sep 10 18:50:04.018 INFO kablam! error: aborting due to 9 previous errors
Sep 10 18:50:04.018 INFO kablam! 
Sep 10 18:50:04.018 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 18:50:04.025 INFO kablam! error: Could not compile `futures-util-preview`.
Sep 10 18:50:04.025 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 18:50:18.432 INFO kablam! error: build failed
Sep 10 18:50:18.434 INFO kablam! su: No module specific data is present
Sep 10 18:50:19.093 INFO running `"docker" "rm" "-f" "7708c475ae02881867eb4f9b5a0732a8c297747dba389d5c87ce88cb517cf57e"`
Sep 10 18:50:19.219 INFO blam! 7708c475ae02881867eb4f9b5a0732a8c297747dba389d5c87ce88cb517cf57e