[INFO] cloning repository https://github.com/range3/rust-tx-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/range3/rust-tx-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frange3%2Frust-tx-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frange3%2Frust-tx-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df36099221c3d8739ffb94fc39a455004aa0b610
[INFO] checking range3/rust-tx-practice against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frange3%2Frust-tx-practice" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/range3/rust-tx-practice on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/range3/rust-tx-practice
[INFO] finished tweaking git repo https://github.com/range3/rust-tx-practice
[INFO] tweaked toml for git repo https://github.com/range3/rust-tx-practice written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/range3/rust-tx-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f87f634f53da3ba0cd0c8ce6c881bf6904e8ed19bfe9db6fe8d676b0f175ebed
[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" "f87f634f53da3ba0cd0c8ce6c881bf6904e8ed19bfe9db6fe8d676b0f175ebed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f87f634f53da3ba0cd0c8ce6c881bf6904e8ed19bfe9db6fe8d676b0f175ebed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87f634f53da3ba0cd0c8ce6c881bf6904e8ed19bfe9db6fe8d676b0f175ebed", kill_on_drop: false }`
[INFO] [stdout] f87f634f53da3ba0cd0c8ce6c881bf6904e8ed19bfe9db6fe8d676b0f175ebed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--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] 10b5650289303579e54eacc148a3c17e56e95db871adaf81287574c3b7b24877
[INFO] running `Command { std: "docker" "start" "-a" "10b5650289303579e54eacc148a3c17e56e95db871adaf81287574c3b7b24877", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking b2pl v0.1.0 (/opt/rustwide/workdir/crates/b2pl)
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stdout] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/b2pl/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_float)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> crates/b2pl/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_float)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[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 bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[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] [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] [stderr]     Checking parking_lot v0.7.1
[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:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn poll(mut self: Pin<&mut Self>, _waker: &Waker) -> StdPoll<Self::Output> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn poll(mut self: Pin<&mut Self>, _wx: &Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<io::Result<usize>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<io::Result<()>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn poll(mut self: Pin<&mut Self>, _waker: &task::Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn poll(mut self: Pin<&mut Self>, _waker: &Waker) -> Poll<Self::Output> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[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 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308, E0432, 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" "10b5650289303579e54eacc148a3c17e56e95db871adaf81287574c3b7b24877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b5650289303579e54eacc148a3c17e56e95db871adaf81287574c3b7b24877", kill_on_drop: false }`
[INFO] [stdout] 10b5650289303579e54eacc148a3c17e56e95db871adaf81287574c3b7b24877