[INFO] fetching crate romeo 0.0.5...
[INFO] checking romeo-0.0.5 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate romeo 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate romeo 0.0.5 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a8de76879ed47bd168a014578a7b54f05d975958184dac943846bf2d4817250
[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" "9a8de76879ed47bd168a014578a7b54f05d975958184dac943846bf2d4817250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8de76879ed47bd168a014578a7b54f05d975958184dac943846bf2d4817250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8de76879ed47bd168a014578a7b54f05d975958184dac943846bf2d4817250", kill_on_drop: false }`
[INFO] [stdout] 9a8de76879ed47bd168a014578a7b54f05d975958184dac943846bf2d4817250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7e244db5e1d0192f67102a0e1c506f757cba2d7db6e78756ac9ec79d3939c0
[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" "5c7e244db5e1d0192f67102a0e1c506f757cba2d7db6e78756ac9ec79d3939c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking uuid v0.6.5
[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] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/address.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/cell.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/address.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/cell.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fnbox)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     actor_producer: Box<Fn() -> A>,
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) fn new(actor_producer: Box<Fn() -> A>, scheduler: Weak<Scheduler>) -> Arc<Self> {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl PartialEq for ACell {
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn eq(&self, other: &ACell) -> bool {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl Eq for ACell {}
[INFO] [stdout]    |             ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     cells: RwLock<Vec<Arc<ACell>>>,
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:21:38
[INFO] [stdout]    |
[INFO] [stdout] 21 |     actor_starts: Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |     actor_stops:  Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub(crate) fn register_new_cell(&self, cell: Arc<ACell>) {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fnbox)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     actor_producer: Box<Fn() -> A>,
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub(crate) fn new(actor_producer: Box<Fn() -> A>, scheduler: Weak<Scheduler>) -> Arc<Self> {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl PartialEq for ACell {
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn eq(&self, other: &ACell) -> bool {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cell.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl Eq for ACell {}
[INFO] [stdout]    |             ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     cells: RwLock<Vec<Arc<ACell>>>,
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:21:38
[INFO] [stdout]    |
[INFO] [stdout] 21 |     actor_starts: Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |     actor_stops:  Mutex<VecDeque<Arc<ACell>>>,
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scheduler.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub(crate) fn register_new_cell(&self, cell: Arc<ACell>) {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn ACell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `romeo`.
[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" "5c7e244db5e1d0192f67102a0e1c506f757cba2d7db6e78756ac9ec79d3939c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7e244db5e1d0192f67102a0e1c506f757cba2d7db6e78756ac9ec79d3939c0", kill_on_drop: false }`
[INFO] [stdout] 5c7e244db5e1d0192f67102a0e1c506f757cba2d7db6e78756ac9ec79d3939c0
