[INFO] crate alternate-future 0.1.4 is already in cache
[INFO] checking alternate-future-0.1.4 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate alternate-future 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate alternate-future 0.1.4 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alternate-future 0.1.4
[INFO] finished tweaking crates.io crate alternate-future 0.1.4
[INFO] tweaked toml for crates.io crate alternate-future 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] ac59eb052e47262633084c2af71eda388be28f6da6279b9bdeab5999ea82e83d
[INFO] running `"docker" "start" "-a" "ac59eb052e47262633084c2af71eda388be28f6da6279b9bdeab5999ea82e83d"`
[INFO] [stderr]     Checking spin v0.3.5
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking alternate-future v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threadpool.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 | type Thunk <'a> = Box<FnBox + Send + 'a>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:58:75
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct Promise <T> (Option<Arc<SpinMutex<(PromiseValue<T>, Option<Box<FnBox(T) + Send + 'static>>, Option<Thread>)>>>, bool)
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(T) + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:135:59
[INFO] [stderr]     |
[INFO] [stderr] 135 |     Impending (Arc<SpinMutex<(PromiseValue<T>, Option<Box<FnBox(T) + Send + 'static>>, Option<Thread>)>>),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(T) + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:271:33
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn cause (&self) -> Option<&Error> { None }
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static!
[INFO] [stderr] 25 | | {
[INFO] [stderr] 26 | |     static ref POOL : SpinMutex<ThreadPool> = SpinMutex::new(ThreadPool::new(num_cpus::get()));
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static!
[INFO] [stderr] 25 | | {
[INFO] [stderr] 26 | |     static ref POOL : SpinMutex<ThreadPool> = SpinMutex::new(ThreadPool::new(num_cpus::get()));
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threadpool.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 | type Thunk <'a> = Box<FnBox + Send + 'a>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:58:75
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct Promise <T> (Option<Arc<SpinMutex<(PromiseValue<T>, Option<Box<FnBox(T) + Send + 'static>>, Option<Thread>)>>>, bool)
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(T) + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:135:59
[INFO] [stderr]     |
[INFO] [stderr] 135 |     Impending (Arc<SpinMutex<(PromiseValue<T>, Option<Box<FnBox(T) + Send + 'static>>, Option<Thread>)>>),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(T) + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:271:33
[INFO] [stderr]     |
[INFO] [stderr] 271 |     fn cause (&self) -> Option<&Error> { None }
[INFO] [stderr]     |                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `alternate-future`.
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static!
[INFO] [stderr] 25 | | {
[INFO] [stderr] 26 | |     static ref POOL : SpinMutex<ThreadPool> = SpinMutex::new(ThreadPool::new(num_cpus::get()));
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / lazy_static!
[INFO] [stderr] 25 | | {
[INFO] [stderr] 26 | |     static ref POOL : SpinMutex<ThreadPool> = SpinMutex::new(ThreadPool::new(num_cpus::get()));
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `alternate-future`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ac59eb052e47262633084c2af71eda388be28f6da6279b9bdeab5999ea82e83d"`
[INFO] running `"docker" "rm" "-f" "ac59eb052e47262633084c2af71eda388be28f6da6279b9bdeab5999ea82e83d"`
[INFO] [stdout] ac59eb052e47262633084c2af71eda388be28f6da6279b9bdeab5999ea82e83d
