[INFO] fetching crate crux 0.3.0...
[INFO] checking crux-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate crux 0.3.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate crux 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crux 0.3.0
[INFO] finished tweaking crates.io crate crux 0.3.0
[INFO] tweaked toml for crates.io crate crux 0.3.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92dcf6c2615d4c4a2596fb51526778da4169562e28bbbbbd986865933e07a838
[INFO] running `Command { std: "docker" "start" "-a" "92dcf6c2615d4c4a2596fb51526778da4169562e28bbbbbd986865933e07a838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92dcf6c2615d4c4a2596fb51526778da4169562e28bbbbbd986865933e07a838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92dcf6c2615d4c4a2596fb51526778da4169562e28bbbbbd986865933e07a838", kill_on_drop: false }`
[INFO] [stdout] 92dcf6c2615d4c4a2596fb51526778da4169562e28bbbbbd986865933e07a838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdbc1ff7613b6ca9160bdae901b632bf0e93a7fe15c7ca393bdfa623e8ec4d11
[INFO] running `Command { std: "docker" "start" "-a" "bdbc1ff7613b6ca9160bdae901b632bf0e93a7fe15c7ca393bdfa623e8ec4d11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking crux v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/store.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 | type ArcMutexMiddleware<T> = Arc<Mutex<Middleware<T> + Send + Sync + 'static>>;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<T> + Send + Sync + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/store.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 | type ArcMutexMiddleware<T> = Arc<Mutex<Middleware<T> + Send + Sync + 'static>>;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<T> + Send + Sync + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/middleware.rs:5:61
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn dispatch(&mut self, store: &mut Store<T>, next: &mut FnMut(T::Action), action: T::Action);
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(T::Action)`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/middleware.rs:5:61
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn dispatch(&mut self, store: &mut Store<T>, next: &mut FnMut(T::Action), action: T::Action);
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(T::Action)`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/lib.rs:35:69
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn dispatch(&mut self, store: &mut Store<TestState>, next: &mut FnMut(TestAction), action: TestAction) {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(TestAction)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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]   --> tests/lib.rs:57:69
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn dispatch(&mut self, store: &mut Store<TestState>, next: &mut FnMut(TestAction), action: TestAction) {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(TestAction)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdbc1ff7613b6ca9160bdae901b632bf0e93a7fe15c7ca393bdfa623e8ec4d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbc1ff7613b6ca9160bdae901b632bf0e93a7fe15c7ca393bdfa623e8ec4d11", kill_on_drop: false }`
[INFO] [stdout] bdbc1ff7613b6ca9160bdae901b632bf0e93a7fe15c7ca393bdfa623e8ec4d11
