[INFO] updating cached repository https://github.com/jimblandy/mock-executor
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d9f55d79e9783c047bec32e49e2a068ac94b58c
[INFO] checking jimblandy/mock-executor against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fmock-executor" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/mock-executor on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jimblandy/mock-executor
[INFO] finished tweaking git repo https://github.com/jimblandy/mock-executor
[INFO] tweaked toml for git repo https://github.com/jimblandy/mock-executor written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jimblandy/mock-executor already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b20370e7846aedfb79b5ae1e635e027521fd9717f995d33de1b6df8fc2f05a9b
[INFO] running `"docker" "start" "-a" "b20370e7846aedfb79b5ae1e635e027521fd9717f995d33de1b6df8fc2f05a9b"`
[INFO] [stderr]     Checking async2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]    --> src/main.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | async fn print<F>(label: &'static str, future: F)
[INFO] [stderr]     | ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to use `async fn`, switch to Rust 2018
[INFO] [stderr]     = help: set `edition = "2018"` in `Cargo.toml`
[INFO] [stderr]     = note: for more on editions, read https://doc.rust-lang.org/edition-guide
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:1:47
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(arbitrary_self_types, async_await, await_macro, fnbox, futures_api, pin)]
[INFO] [stderr]   |                                               ^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: subsumed by `.await` syntax
[INFO] [stderr] 
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]    --> src/main.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | async fn print<F>(label: &'static str, future: F)
[INFO] [stderr]     | ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to use `async fn`, switch to Rust 2018
[INFO] [stderr]     = help: set `edition = "2018"` in `Cargo.toml`
[INFO] [stderr]     = note: for more on editions, read https://doc.rust-lang.org/edition-guide
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:1:47
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(arbitrary_self_types, async_await, await_macro, fnbox, futures_api, pin)]
[INFO] [stderr]   |                                               ^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: subsumed by `.await` syntax
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::task::LocalWaker`, `std::task::local_waker_from_nonlocal`
[INFO] [stderr]  --> src/main.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::task::{self, LocalWaker, local_waker_from_nonlocal, Poll};
[INFO] [stderr]   |                       ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stderr]   |                       |
[INFO] [stderr]   |                       no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `await` in this scope
[INFO] [stderr]    --> src/main.rs:230:33
[INFO] [stderr]     |
[INFO] [stderr] 230 |     println!("{}: {:?}", label, await!(future));
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'wake_trait'
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 | /     fn wake(arc_self: &Arc<Waker>) {
[INFO] [stderr] 131 | |         // If the executor is gone, this has no effect.
[INFO] [stderr] 132 | |         let queue = if let Some(queue) = arc_self.queue.upgrade() { queue } else { return; };
[INFO] [stderr] 133 | |
[INFO] [stderr] 134 | |         queue.push_back(arc_self.task.clone());
[INFO] [stderr] 135 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #69912 <https://github.com/rust-lang/rust/issues/69912> for more information
[INFO] [stderr]     = help: add `#![feature(wake_trait)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'wake_trait'
[INFO] [stderr]    --> src/main.rs:129:6
[INFO] [stderr]     |
[INFO] [stderr] 129 | impl task::Wake for Waker {
[INFO] [stderr]     |      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #69912 <https://github.com/rust-lang/rust/issues/69912> for more information
[INFO] [stderr]     = help: add `#![feature(wake_trait)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::task::LocalWaker`, `std::task::local_waker_from_nonlocal`
[INFO] [stderr]  --> src/main.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::task::{self, LocalWaker, local_waker_from_nonlocal, Poll};
[INFO] [stderr]   |                       ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stderr]   |                       |
[INFO] [stderr]   |                       no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `await` in this scope
[INFO] [stderr]    --> src/main.rs:230:33
[INFO] [stderr]     |
[INFO] [stderr] 230 |     println!("{}: {:?}", label, await!(future));
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0186]: method `wake` has a `self: std::sync::Arc<Self>` declaration in the trait, but not in the impl
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn wake(arc_self: &Arc<Waker>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `self: std::sync::Arc<Self>` in impl
[INFO] [stderr]     |
[INFO] [stderr]     = note: `wake` from trait: `fn(std::sync::Arc<Self>)`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'wake_trait'
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 | /     fn wake(arc_self: &Arc<Waker>) {
[INFO] [stderr] 131 | |         // If the executor is gone, this has no effect.
[INFO] [stderr] 132 | |         let queue = if let Some(queue) = arc_self.queue.upgrade() { queue } else { return; };
[INFO] [stderr] 133 | |
[INFO] [stderr] 134 | |         queue.push_back(arc_self.task.clone());
[INFO] [stderr] 135 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #69912 <https://github.com/rust-lang/rust/issues/69912> for more information
[INFO] [stderr]     = help: add `#![feature(wake_trait)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'wake_trait'
[INFO] [stderr]    --> src/main.rs:129:6
[INFO] [stderr]     |
[INFO] [stderr] 129 | impl task::Wake for Waker {
[INFO] [stderr]     |      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #69912 <https://github.com/rust-lang/rust/issues/69912> for more information
[INFO] [stderr]     = help: add `#![feature(wake_trait)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0186]: method `wake` has a `self: std::sync::Arc<Self>` declaration in the trait, but not in the impl
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn wake(arc_self: &Arc<Waker>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `self: std::sync::Arc<Self>` in impl
[INFO] [stderr]     |
[INFO] [stderr]     = note: `wake` from trait: `fn(std::sync::Arc<Self>)`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:73:53
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     match pinned_task.as_mut().poll(&local_waker) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected mutable reference `&mut std::task::Context<'_>`
[INFO] [stderr]                       found reference `&_`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:73:53
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     match pinned_task.as_mut().poll(&local_waker) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected mutable reference `&mut std::task::Context<'_>`
[INFO] [stderr]                       found reference `&_`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0186, E0308, E0432, E0557, E0658, E0670.
[INFO] [stderr] For more information about an error, try `rustc --explain E0186`.
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0186, E0308, E0432, E0557, E0658, E0670.
[INFO] [stderr] For more information about an error, try `rustc --explain E0186`.
[INFO] [stderr] error: could not compile `async2`.
[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: could not compile `async2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b20370e7846aedfb79b5ae1e635e027521fd9717f995d33de1b6df8fc2f05a9b"`
[INFO] running `"docker" "rm" "-f" "b20370e7846aedfb79b5ae1e635e027521fd9717f995d33de1b6df8fc2f05a9b"`
[INFO] [stdout] b20370e7846aedfb79b5ae1e635e027521fd9717f995d33de1b6df8fc2f05a9b
