[INFO] fetching crate romeo 0.0.5...
[INFO] checking romeo-0.0.5 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate romeo 0.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate romeo 0.0.5 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate romeo 0.0.5
[INFO] finished tweaking crates.io crate romeo 0.0.5
[INFO] tweaked toml for crates.io crate romeo 0.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 3c4e54ba3de79fc059a5da6847db5a4c7708f7e5da86e244fb302243d7d8f167
[INFO] running `"docker" "start" "-a" "3c4e54ba3de79fc059a5da6847db5a4c7708f7e5da86e244fb302243d7d8f167"`
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking romeo v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/address.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/cell.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | 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/cell.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     actor_producer: Box<Fn() -> A>,
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> 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/cell.rs:27:43
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub(crate) fn new(actor_producer: Box<Fn() -> A>, scheduler: Weak<Scheduler>) -> Arc<Self> {
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cell.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 | impl PartialEq for ACell {
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cell.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn eq(&self, other: &ACell) -> bool {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cell.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Eq for ACell {}
[INFO] [stderr]    |             ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     cells: RwLock<Vec<Arc<ACell>>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:21:38
[INFO] [stderr]    |
[INFO] [stderr] 21 |     actor_starts: Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |     actor_stops:  Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:35:54
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub(crate) fn register_new_cell(&self, cell: Arc<ACell>) {
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/address.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> src/cell.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | 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/cell.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     actor_producer: Box<Fn() -> A>,
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> 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/cell.rs:27:43
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub(crate) fn new(actor_producer: Box<Fn() -> A>, scheduler: Weak<Scheduler>) -> Arc<Self> {
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cell.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 | impl PartialEq for ACell {
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cell.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn eq(&self, other: &ACell) -> bool {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cell.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl Eq for ACell {}
[INFO] [stderr]    |             ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     cells: RwLock<Vec<Arc<ACell>>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:21:38
[INFO] [stderr]    |
[INFO] [stderr] 21 |     actor_starts: Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |     actor_stops:  Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scheduler.rs:35:54
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub(crate) fn register_new_cell(&self, cell: Arc<ACell>) {
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `romeo`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `romeo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3c4e54ba3de79fc059a5da6847db5a4c7708f7e5da86e244fb302243d7d8f167"`
[INFO] running `"docker" "rm" "-f" "3c4e54ba3de79fc059a5da6847db5a4c7708f7e5da86e244fb302243d7d8f167"`
[INFO] [stdout] 3c4e54ba3de79fc059a5da6847db5a4c7708f7e5da86e244fb302243d7d8f167