[INFO] cloning 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" "clone" "--bare" "https://github.com/miquels/async-wait-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquels%2Fasync-wait-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquels%2Fasync-wait-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c6a603f8ceb86f784011b00f58296ba5b3b9f70f [INFO] documenting miquels/async-wait-test against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiquels%2Fasync-wait-test" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/miquels/async-wait-test on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-3/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-nested v0.1.2 [INFO] [stderr] Downloaded proc-macro-hack v0.5.4 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.13 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 552c7286582aa0eed6681b3757e4e6258631f98952bec6e91a6f44379f5a8e1c [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" "552c7286582aa0eed6681b3757e4e6258631f98952bec6e91a6f44379f5a8e1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "552c7286582aa0eed6681b3757e4e6258631f98952bec6e91a6f44379f5a8e1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "552c7286582aa0eed6681b3757e4e6258631f98952bec6e91a6f44379f5a8e1c", kill_on_drop: false }` [INFO] [stdout] 552c7286582aa0eed6681b3757e4e6258631f98952bec6e91a6f44379f5a8e1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff4f3199e4af6025afc5ad04b5ec4e87df56e9884ae4c6819ee7939c5b6a2328 [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" "ff4f3199e4af6025afc5ad04b5ec4e87df56e9884ae4c6819ee7939c5b6a2328", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-nested v0.1.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking tokio-sync v0.1.1 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.13 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking http v0.1.16 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(futures_api)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_pcg v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_chacha v0.1.1 [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] Checking futures-cpupool v0.1.8 [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] [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] [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] [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 9 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308, E0554. [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" "ff4f3199e4af6025afc5ad04b5ec4e87df56e9884ae4c6819ee7939c5b6a2328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff4f3199e4af6025afc5ad04b5ec4e87df56e9884ae4c6819ee7939c5b6a2328", kill_on_drop: false }` [INFO] [stdout] ff4f3199e4af6025afc5ad04b5ec4e87df56e9884ae4c6819ee7939c5b6a2328