[INFO] updating cached repository daviswahl/leaky-raft [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/daviswahl/leaky-raft [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/daviswahl/leaky-raft" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/daviswahl/leaky-raft"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/daviswahl/leaky-raft'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/daviswahl/leaky-raft" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/daviswahl/leaky-raft"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/daviswahl/leaky-raft'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a2409d85d3d584d4068111e42aae0f48747e5d85 [INFO] sha for GitHub repo daviswahl/leaky-raft: a2409d85d3d584d4068111e42aae0f48747e5d85 [INFO] validating manifest of daviswahl/leaky-raft on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of daviswahl/leaky-raft on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing daviswahl/leaky-raft [INFO] finished frobbing daviswahl/leaky-raft [INFO] frobbed toml for daviswahl/leaky-raft written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/daviswahl/leaky-raft/Cargo.toml [INFO] started frobbing daviswahl/leaky-raft [INFO] finished frobbing daviswahl/leaky-raft [INFO] frobbed toml for daviswahl/leaky-raft written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/daviswahl/leaky-raft/Cargo.toml [INFO] crate daviswahl/leaky-raft already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking daviswahl/leaky-raft against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/daviswahl/leaky-raft:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5996a40fb8a1686401f7cd05f3ee1e1b52baa5bb5bc16835f6d9ddc1438b4d0c [INFO] running `"docker" "start" "-a" "5996a40fb8a1686401f7cd05f3ee1e1b52baa5bb5bc16835f6d9ddc1438b4d0c"` [INFO] [stderr] Compiling proc-macro-nested v0.1.2 [INFO] [stderr] Compiling bincode v1.1.2 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.13 [INFO] [stderr] Checking tokio-sync v0.1.3 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking nix v0.11.0 [INFO] [stderr] Checking clap v2.32.0 [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 { [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` [INFO] [stderr] found type `fn(std::pin::Pin<&mut future::future_obj::LocalFutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll` [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 { [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` [INFO] [stderr] found type `fn(std::pin::Pin<&mut future::future_obj::FutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/mod.rs:86:19 [INFO] [stderr] | [INFO] [stderr] 86 | self.poll(waker) [INFO] [stderr] | ^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::task::Context<'_>` [INFO] [stderr] found type `&std::task::Waker` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:118:44 [INFO] [stderr] | [INFO] [stderr] 118 | LocalFutureObj::poll(pinned_field, waker) [INFO] [stderr] | ^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::task::Context<'_>` [INFO] [stderr] found type `&std::task::Waker` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:165:20 [INFO] [stderr] | [INFO] [stderr] 165 | F::poll(p, waker) [INFO] [stderr] | ^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::task::Context<'_>` [INFO] [stderr] found type `&std::task::Waker` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:182:25 [INFO] [stderr] | [INFO] [stderr] 182 | F::poll(future, waker) [INFO] [stderr] | ^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::task::Context<'_>` [INFO] [stderr] found type `&std::task::Waker` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:203:26 [INFO] [stderr] | [INFO] [stderr] 203 | F::poll(pin, waker) [INFO] [stderr] | ^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::task::Context<'_>` [INFO] [stderr] found type `&std::task::Waker` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:225:26 [INFO] [stderr] | [INFO] [stderr] 225 | F::poll(pin, waker) [INFO] [stderr] | ^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut std::task::Context<'_>` [INFO] [stderr] found type `&std::task::Waker` [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0053, E0308. [INFO] [stderr] For more information about an 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" "5996a40fb8a1686401f7cd05f3ee1e1b52baa5bb5bc16835f6d9ddc1438b4d0c"` [INFO] running `"docker" "rm" "-f" "5996a40fb8a1686401f7cd05f3ee1e1b52baa5bb5bc16835f6d9ddc1438b4d0c"` [INFO] [stdout] 5996a40fb8a1686401f7cd05f3ee1e1b52baa5bb5bc16835f6d9ddc1438b4d0c