[INFO] crate rage 0.0.19 is already in cache
[INFO] extracting crate rage 0.0.19 into work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/rage/0.0.19
[INFO] extracting crate rage 0.0.19 into work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/rage/0.0.19
[INFO] validating manifest of rage-0.0.19 on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rage-0.0.19 on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rage-0.0.19
[INFO] finished frobbing rage-0.0.19
[INFO] frobbed toml for rage-0.0.19 written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/rage/0.0.19/Cargo.toml
[INFO] started frobbing rage-0.0.19
[INFO] finished frobbing rage-0.0.19
[INFO] frobbed toml for rage-0.0.19 written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/rage/0.0.19/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rage-0.0.19 against try#424a4ae163d6517f301cd4048a4b5dd785be5b2f for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-5/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/rage/0.0.19:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4a918d3b54f724255daaf01e343bc0560b8de2e5b6fedcad8081ed6c1719719
[INFO] running `"docker" "start" "-a" "c4a918d3b54f724255daaf01e343bc0560b8de2e5b6fedcad8081ed6c1719719"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `fn(std::pin::Pin<&mut future::future_obj::LocalFutureObj<'a, T>>, &mut std::task::Context<'_>) -> std::task::Poll<T>`
[INFO] [stderr]               found type `fn(std::pin::Pin<&mut future::future_obj::LocalFutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll<T>`
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(std::pin::Pin<&mut future::future_obj::FutureObj<'a, T>>, &mut std::task::Context<'_>) -> std::task::Poll<T>`
[INFO] [stderr]                found type `fn(std::pin::Pin<&mut future::future_obj::FutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll<T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0053`.
[INFO] [stderr] error: Could not compile `futures-core-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c4a918d3b54f724255daaf01e343bc0560b8de2e5b6fedcad8081ed6c1719719"`
[INFO] running `"docker" "rm" "-f" "c4a918d3b54f724255daaf01e343bc0560b8de2e5b6fedcad8081ed6c1719719"`
[INFO] [stdout] c4a918d3b54f724255daaf01e343bc0560b8de2e5b6fedcad8081ed6c1719719