[INFO] fetching crate may_actor 0.2.2...
[INFO] building may_actor-0.2.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate may_actor 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate may_actor 0.2.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may_actor 0.2.2
[INFO] finished tweaking crates.io crate may_actor 0.2.2
[INFO] tweaked toml for crates.io crate may_actor 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09947f4f4e0e86cf3ad7214907b9ec880f8ec4e9466b4e6156d1bb8cca54bde7
[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" "09947f4f4e0e86cf3ad7214907b9ec880f8ec4e9466b4e6156d1bb8cca54bde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09947f4f4e0e86cf3ad7214907b9ec880f8ec4e9466b4e6156d1bb8cca54bde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09947f4f4e0e86cf3ad7214907b9ec880f8ec4e9466b4e6156d1bb8cca54bde7", kill_on_drop: false }`
[INFO] [stdout] 09947f4f4e0e86cf3ad7214907b9ec880f8ec4e9466b4e6156d1bb8cca54bde7
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a1e93ec2d39c9f963fb466f8cc278314f89543e4e0e622c43029b55cbab8c1
[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" "64a1e93ec2d39c9f963fb466f8cc278314f89543e4e0e622c43029b55cbab8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling may_queue v0.1.8
[INFO] [stderr]    Compiling may v0.3.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling may_actor v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tx: mpsc::Sender<Box<FnBox>>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:44
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (tx, rx) = mpsc::channel::<Box<FnBox>>();
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:125:44
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let (tx, rx) = mpsc::channel::<Box<FnBox>>();
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:227:30
[INFO] [stdout]     |
[INFO] [stdout] 227 |             let closure: Box<FnBox> = Box::new(f);
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn FnBox`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:229:30
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let closure: Box<FnBox + 'static> = unsafe { std::mem::transmute(closure) };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: may::sync::atomic_option::Wrapped` is not satisfied
[INFO] [stdout]    --> src/lib.rs:205:28
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let ret = Arc::new(AtomicOption::none());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ the trait `may::sync::atomic_option::Wrapped` is not implemented for `R`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required by `AtomicOption::<T>::none`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 202 |         R: Send + may::sync::atomic_option::Wrapped,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: may::sync::atomic_option::Wrapped` is not satisfied
[INFO] [stdout]    --> src/lib.rs:205:28
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let ret = Arc::new(AtomicOption::none());
[INFO] [stdout]     |                            ^^^^^^^^^^^^ the trait `may::sync::atomic_option::Wrapped` is not implemented for `R`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.19/src/sync/atomic_option.rs:65:28
[INFO] [stdout]     |
[INFO] [stdout] 65  | pub struct AtomicOption<T: Wrapped> {
[INFO] [stdout]     |                            ------- required by this bound in `AtomicOption`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 202 |         R: Send + may::sync::atomic_option::Wrapped,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `R: may::sync::atomic_option::Wrapped` is not satisfied
[INFO] [stdout]    --> src/lib.rs:218:34
[INFO] [stdout]     |
[INFO] [stdout] 218 |                         ret.swap(r, Ordering::Relaxed);
[INFO] [stdout]     |                                  ^ the trait `may::sync::atomic_option::Wrapped` is not implemented for `R`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 202 |         R: Send + may::sync::atomic_option::Wrapped,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn Any + Send` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let err = Arc::new(AtomicOption::none());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `dyn Any + Send`
[INFO] [stdout]     = note: required because of the requirements on the impl of `may::sync::atomic_option::Wrapped` for `Box<dyn Any + Send>`
[INFO] [stdout]     = note: required by `AtomicOption::<T>::none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `take` exists for struct `Arc<AtomicOption<R>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |               Ok(_) => match ret.take(Ordering::Relaxed) {
[INFO] [stdout]     |                                  ^^^^ method cannot be called on `Arc<AtomicOption<R>>` due to unsatisfied trait bounds
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.19/src/sync/atomic_option.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout] 65  |   pub struct AtomicOption<T: Wrapped> {
[INFO] [stdout]     |   ----------------------------------- doesn't satisfy `AtomicOption<R>: Iterator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Arc<AtomicOption<R>>: Iterator`
[INFO] [stdout]             which is required by `&mut Arc<AtomicOption<R>>: Iterator`
[INFO] [stdout]             `R: may::sync::atomic_option::Wrapped`
[INFO] [stdout]             `AtomicOption<R>: Iterator`
[INFO] [stdout]             which is required by `&mut AtomicOption<R>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `take` exists for struct `Arc<AtomicOption<Box<dyn Any + Send>>>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:238:35
[INFO] [stdout]     |
[INFO] [stdout] 238 |                   None => match err.take(Ordering::Relaxed) {
[INFO] [stdout]     |                                     ^^^^ method cannot be called on `Arc<AtomicOption<Box<dyn Any + Send>>>` due to unsatisfied trait bounds
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/may-0.3.19/src/sync/atomic_option.rs:65:1
[INFO] [stdout]     |
[INFO] [stdout] 65  |   pub struct AtomicOption<T: Wrapped> {
[INFO] [stdout]     |   ----------------------------------- doesn't satisfy `AtomicOption<Box<dyn Any + Send>>: Iterator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Arc<AtomicOption<Box<dyn Any + Send>>>: Iterator`
[INFO] [stdout]             which is required by `&mut Arc<AtomicOption<Box<dyn Any + Send>>>: Iterator`
[INFO] [stdout]             `Box<dyn Any + Send>: may::sync::atomic_option::Wrapped`
[INFO] [stdout]             `AtomicOption<Box<dyn Any + Send>>: Iterator`
[INFO] [stdout]             which is required by `&mut AtomicOption<Box<dyn Any + Send>>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `may_actor`
[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" "64a1e93ec2d39c9f963fb466f8cc278314f89543e4e0e622c43029b55cbab8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a1e93ec2d39c9f963fb466f8cc278314f89543e4e0e622c43029b55cbab8c1", kill_on_drop: false }`
[INFO] [stdout] 64a1e93ec2d39c9f963fb466f8cc278314f89543e4e0e622c43029b55cbab8c1
