[INFO] cloning repository https://github.com/leo-lb/unilink-async-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leo-lb/unilink-async-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Funilink-async-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Funilink-async-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76cbae4fd38f92c610a7934cbd0fa135ba8dad3b
[INFO] documenting leo-lb/unilink-async-rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Funilink-async-rs" "/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/leo-lb/unilink-async-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leo-lb/unilink-async-rs
[INFO] finished tweaking git repo https://github.com/leo-lb/unilink-async-rs
[INFO] tweaked toml for git repo https://github.com/leo-lb/unilink-async-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/leo-lb/unilink-async-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-async-await v0.1.6
[INFO] [stderr]   Downloaded curve25519-dalek v1.1.3
[INFO] [stderr]   Downloaded subtle v2.0.0
[INFO] [stderr]   Downloaded mini-internal v0.1.10
[INFO] [stderr]   Downloaded miniserde v0.1.10
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a415e0df5c331ee4b2704f15a7b4f64ceed16f6835fa3788e88f6f89f88f1b
[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" "84a415e0df5c331ee4b2704f15a7b4f64ceed16f6835fa3788e88f6f89f88f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a415e0df5c331ee4b2704f15a7b4f64ceed16f6835fa3788e88f6f89f88f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a415e0df5c331ee4b2704f15a7b4f64ceed16f6835fa3788e88f6f89f88f1b", kill_on_drop: false }`
[INFO] [stdout] 84a415e0df5c331ee4b2704f15a7b4f64ceed16f6835fa3788e88f6f89f88f1b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b33265d97ce440b8f5f9135754061c1baf1b6f2b360b974b9f58764e85a9308f
[INFO] running `Command { std: "docker" "start" "-a" "b33265d97ce440b8f5f9135754061c1baf1b6f2b360b974b9f58764e85a9308f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-async-await v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/lib.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::await`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub use std::await as std_await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no `await` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot construct `RawWakerVTable` with struct literal syntax due to inaccessible fields
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/compat/backward.rs:79:43
[INFO] [stdout]    |
[INFO] [stdout] 79 | const NOOP_WAKER_VTABLE: RawWakerVTable = RawWakerVTable {
[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/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/compat/forward.rs:56:47
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn poll(mut self: Pin<&mut Self>, _waker: &Waker) -> StdPoll<Self::Output> {
[INFO] [stdout]    |                                               ^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut forward::Compat<T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut forward::Compat<T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/io/flush.rs:26:44
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn poll(mut self: Pin<&mut Self>, _wx: &Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |                                            ^^^^^^
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            types differ in mutability
[INFO] [stdout]    |                                            help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut flush::Flush<'a, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut flush::Flush<'a, T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/io/read.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut read::Read<'a, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut read::Read<'a, T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/io/read_exact.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut read_exact::ReadExact<'a, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut read_exact::ReadExact<'a, T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/io/write.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<io::Result<usize>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut write::Write<'a, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut write::Write<'a, T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/io/write_all.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<io::Result<()>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut write_all::WriteAll<'a, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut write_all::WriteAll<'a, T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/sink/send.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut send::Send<'_, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut send::Send<'_, T>>, &Waker) -> 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/tokio-async-await-0.1.6/src/stream/next.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn poll(mut self: Pin<&mut Self>, _waker: &Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |                                               ^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               types differ in mutability
[INFO] [stdout]    |                                               help: change the parameter type to match the trait: `&mut Context<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(Pin<&mut Next<'a, T>>, &mut Context<'_>) -> Poll<_>`
[INFO] [stdout]               found fn pointer `fn(Pin<&mut Next<'a, T>>, &Waker) -> Poll<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/compat/backward.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let res = self.0.as_mut().poll(&waker);
[INFO] [stdout]    |                                        ^^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                       found reference `&Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_unchecked` found for struct `Waker` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.6/src/compat/backward.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |     unsafe { Waker::new_unchecked(noop_raw_waker()) }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ function or associated item not found in `Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308, E0432, E0554, E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-async-await`
[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" "b33265d97ce440b8f5f9135754061c1baf1b6f2b360b974b9f58764e85a9308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33265d97ce440b8f5f9135754061c1baf1b6f2b360b974b9f58764e85a9308f", kill_on_drop: false }`
[INFO] [stdout] b33265d97ce440b8f5f9135754061c1baf1b6f2b360b974b9f58764e85a9308f
