[INFO] cloning repository https://github.com/tahmidsadik112/rust-async-await-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tahmidsadik112/rust-async-await-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahmidsadik112%2Frust-async-await-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahmidsadik112%2Frust-async-await-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 858988e00d47ddf9448194ebd63ba1dee4451625 [INFO] testing tahmidsadik112/rust-async-await-examples against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftahmidsadik112%2Frust-async-await-examples" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tahmidsadik112/rust-async-await-examples [INFO] finished tweaking git repo https://github.com/tahmidsadik112/rust-async-await-examples [INFO] tweaked toml for git repo https://github.com/tahmidsadik112/rust-async-await-examples written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tahmidsadik112/rust-async-await-examples on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tahmidsadik112/rust-async-await-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-sync v0.1.4 [INFO] [stderr] Downloaded tokio v0.1.18 [INFO] [stderr] Downloaded tokio-threadpool v0.1.13 [INFO] [stderr] Downloaded hyper-tls v0.3.2 [INFO] [stderr] Downloaded openssl-sys v0.9.43 [INFO] [stderr] Downloaded MacTypes-sys v2.1.0 [INFO] [stderr] Downloaded security-framework-sys v0.2.3 [INFO] [stderr] Downloaded tokio-async-await v0.1.6 [INFO] [stderr] Downloaded native-tls v0.2.2 [INFO] [stderr] Downloaded security-framework v0.2.2 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded tempfile v3.0.7 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded core-foundation v0.5.1 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded proc-macro-hack v0.5.4 [INFO] [stderr] Downloaded string v0.1.3 [INFO] [stderr] Downloaded http v0.1.16 [INFO] [stderr] Downloaded want v0.0.6 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded h2 v0.1.17 [INFO] [stderr] Downloaded cc v1.0.31 [INFO] [stderr] Downloaded hyper v0.12.25 [INFO] [stderr] Downloaded openssl v0.10.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0df7980227ed763170b54c6b15b61c4c0600aa4378946bf16fde379814bd0782 [INFO] running `Command { std: "docker" "start" "-a" "0df7980227ed763170b54c6b15b61c4c0600aa4378946bf16fde379814bd0782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0df7980227ed763170b54c6b15b61c4c0600aa4378946bf16fde379814bd0782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df7980227ed763170b54c6b15b61c4c0600aa4378946bf16fde379814bd0782", kill_on_drop: false }` [INFO] [stdout] 0df7980227ed763170b54c6b15b61c4c0600aa4378946bf16fde379814bd0782 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a29a7c619f74ef4647f32b3e4693a5d7756d2e19aad707e76b3a491b684f8aff [INFO] running `Command { std: "docker" "start" "-a" "a29a7c619f74ef4647f32b3e4693a5d7756d2e19aad707e76b3a491b684f8aff", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling either v1.5.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.13 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:64:42 [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 signature `fn(std::pin::Pin<&mut future_obj::LocalFutureObj<'_, _>>, &mut Context<'_>) -> std::task::Poll<_>` [INFO] [stdout] found signature `fn(std::pin::Pin<&mut future_obj::LocalFutureObj<'_, _>>, &std::task::Waker) -> std::task::Poll<_>` [INFO] [stdout] help: change the parameter type to match the trait [INFO] [stdout] | [INFO] [stdout] 64 - fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll { [INFO] [stdout] 64 + fn poll(self: Pin<&mut Self>, waker: &mut Context<'_>) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:114:42 [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 signature `fn(std::pin::Pin<&mut future_obj::FutureObj<'_, _>>, &mut Context<'_>) -> std::task::Poll<_>` [INFO] [stdout] found signature `fn(std::pin::Pin<&mut future_obj::FutureObj<'_, _>>, &std::task::Waker) -> std::task::Poll<_>` [INFO] [stdout] help: change the parameter type to match the trait [INFO] [stdout] | [INFO] [stdout] 114 - fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll { [INFO] [stdout] 114 + fn poll(self: Pin<&mut Self>, waker: &mut Context<'_>) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/future/future.rs:113:8 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/future/future.rs:113:8 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/future/future.rs:113:8 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/future/future.rs:113:8 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/future/future.rs:113:8 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Context<'_>` [INFO] [stdout] found reference `&std::task::Waker` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/future/future.rs:113:8 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stdout] error[E0507]: cannot move out of `*waker` which is behind a shared reference [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-core-preview-0.3.0-alpha.13/src/task/__internal/atomic_waker.rs:244:17 [INFO] [stdout] | [INFO] [stdout] 244 | waker.wake(); [INFO] [stdout] | ^^^^^ ------ `*waker` moved due to this method call [INFO] [stdout] | | [INFO] [stdout] | move occurs because `*waker` has type `std::task::Waker`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] note: `std::task::Waker::wake` takes ownership of the receiver `self`, which moves `*waker` [INFO] [stdout] --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/task/wake.rs:438:17 [INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior [INFO] [stdout] | [INFO] [stdout] 244 | ::clone(&waker).wake(); [INFO] [stdout] | ++++++++++++++++++++++++++++++++++++ + [INFO] [stdout] help: consider cloning the value if the performance cost is acceptable [INFO] [stdout] | [INFO] [stdout] 244 | waker.clone().wake(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308, E0507. [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` (lib) due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a29a7c619f74ef4647f32b3e4693a5d7756d2e19aad707e76b3a491b684f8aff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a29a7c619f74ef4647f32b3e4693a5d7756d2e19aad707e76b3a491b684f8aff", kill_on_drop: false }` [INFO] [stdout] a29a7c619f74ef4647f32b3e4693a5d7756d2e19aad707e76b3a491b684f8aff