[INFO] updating cached repository https://github.com/miquels/async-wait-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c6a603f8ceb86f784011b00f58296ba5b3b9f70f [INFO] testing miquels/async-wait-test against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquels%2Fasync-wait-test" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/miquels/async-wait-test on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/miquels/async-wait-test [INFO] finished tweaking git repo https://github.com/miquels/async-wait-test [INFO] tweaked toml for git repo https://github.com/miquels/async-wait-test written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/miquels/async-wait-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd14b5fe135094317b96290c48b23183bcd39eb73b2a2645abf4f37ae4b6c6f2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fd14b5fe135094317b96290c48b23183bcd39eb73b2a2645abf4f37ae4b6c6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd14b5fe135094317b96290c48b23183bcd39eb73b2a2645abf4f37ae4b6c6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd14b5fe135094317b96290c48b23183bcd39eb73b2a2645abf4f37ae4b6c6f2", kill_on_drop: false }` [INFO] [stdout] fd14b5fe135094317b96290c48b23183bcd39eb73b2a2645abf4f37ae4b6c6f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39775327ae9a90a938bfd9e35078ce7317550b49cafc815312a348bf02dcfc2d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "39775327ae9a90a938bfd9e35078ce7317550b49cafc815312a348bf02dcfc2d", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.2 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling tokio-sync v0.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.13 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(std::pin::Pin<&mut future::future_obj::LocalFutureObj<'a, T>>, &mut std::task::Context<'_>) -> std::task::Poll<_>` [INFO] [stdout] found fn pointer `fn(std::pin::Pin<&mut future::future_obj::LocalFutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(std::pin::Pin<&mut future::future_obj::FutureObj<'a, T>>, &mut std::task::Context<'_>) -> std::task::Poll<_>` [INFO] [stdout] found fn pointer `fn(std::pin::Pin<&mut future::future_obj::FutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling smallvec v0.6.8 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/mod.rs:86:19 [INFO] [stdout] | [INFO] [stdout] 86 | self.poll(waker) [INFO] [stdout] | ^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::task::Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:118:44 [INFO] [stdout] | [INFO] [stdout] 118 | LocalFutureObj::poll(pinned_field, waker) [INFO] [stdout] | ^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::task::Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:165:20 [INFO] [stdout] | [INFO] [stdout] 165 | F::poll(p, waker) [INFO] [stdout] | ^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::task::Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:182:25 [INFO] [stdout] | [INFO] [stdout] 182 | F::poll(future, waker) [INFO] [stdout] | ^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::task::Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:203:26 [INFO] [stdout] | [INFO] [stdout] 203 | F::poll(pin, waker) [INFO] [stdout] | ^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::task::Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling time v0.1.42 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:225:26 [INFO] [stdout] | [INFO] [stdout] 225 | F::poll(pin, waker) [INFO] [stdout] | ^^^^^ types differ in mutability [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut std::task::Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-core-preview`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "39775327ae9a90a938bfd9e35078ce7317550b49cafc815312a348bf02dcfc2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39775327ae9a90a938bfd9e35078ce7317550b49cafc815312a348bf02dcfc2d", kill_on_drop: false }` [INFO] [stdout] 39775327ae9a90a938bfd9e35078ce7317550b49cafc815312a348bf02dcfc2d