[INFO] crate ak 0.1.0 is already in cache [INFO] extracting crate ak 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ak/0.1.0 [INFO] extracting crate ak 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ak/0.1.0 [INFO] validating manifest of ak-0.1.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ak-0.1.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ak-0.1.0 [INFO] finished frobbing ak-0.1.0 [INFO] frobbed toml for ak-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ak/0.1.0/Cargo.toml [INFO] started frobbing ak-0.1.0 [INFO] finished frobbing ak-0.1.0 [INFO] frobbed toml for ak-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ak/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ak-0.1.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ak/0.1.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] d32e1ae8dd576c410ce4fbbf7f9ad27d6bd241ad3cbc1e0fd2e6510da7096c9f [INFO] running `"docker" "start" "-a" "d32e1ae8dd576c410ce4fbbf7f9ad27d6bd241ad3cbc1e0fd2e6510da7096c9f"` [INFO] [stderr] Compiling ak v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the feature `impl_trait_in_bindings` is incomplete and may cause the compiler to crash [INFO] [stderr] --> src/lib.rs:1:112 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax, futures_api, await_macro, async_await, arbitrary_self_types, try_trait, specialization, impl_trait_in_bindings)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax, futures_api, await_macro, async_await, arbitrary_self_types, try_trait, specialization, impl_trait_in_bindings)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/types.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | o: Box, O)>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, O)>` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | / macro_rules! suspend { [INFO] [stderr] 17 | | ($this: ident, $expr : expr) => {{ [INFO] [stderr] 18 | | let (mut tmp, res) = await!($this.suspend($expr)); [INFO] [stderr] 19 | | $this = tmp; [INFO] [stderr] 20 | | res [INFO] [stderr] 21 | | }}; [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | / macro_rules! try_suspend { [INFO] [stderr] 25 | | ($this: ident, $expr : expr) => {{ [INFO] [stderr] 26 | | let (mut tmp, res) = await!($this.suspend($expr)); [INFO] [stderr] 27 | | $this = tmp; [INFO] [stderr] ... | [INFO] [stderr] 32 | | }}; [INFO] [stderr] 33 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] error[E0053]: method `poll` has an incompatible type for trait [INFO] [stderr] --> src/types.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn poll(self: Pin<&mut Self>, lw: &Waker) -> Poll { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `fn(std::pin::Pin<&mut types::Suspend>, &mut std::task::Context<'_>) -> core::task::poll::Poll<(context::Context, O)>` [INFO] [stderr] found type `fn(std::pin::Pin<&mut types::Suspend>, &std::task::Waker) -> core::task::poll::Poll<(context::Context, O)>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/types.rs:35:65 [INFO] [stderr] | [INFO] [stderr] 35 | match Future::poll(Pin::new_unchecked(&mut this.f), lw) { [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 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0053, E0308, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0053`. [INFO] [stderr] error: Could not compile `ak`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d32e1ae8dd576c410ce4fbbf7f9ad27d6bd241ad3cbc1e0fd2e6510da7096c9f"` [INFO] running `"docker" "rm" "-f" "d32e1ae8dd576c410ce4fbbf7f9ad27d6bd241ad3cbc1e0fd2e6510da7096c9f"` [INFO] [stdout] d32e1ae8dd576c410ce4fbbf7f9ad27d6bd241ad3cbc1e0fd2e6510da7096c9f