[INFO] fetching crate crux 0.3.0...
[INFO] checking crux-0.3.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate crux 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate crux 0.3.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c187bfc2fc98b7275a2e3ff94006d67d7e96bd30f3b3ff1a0752bb6bcb3c4bbd
[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" "c187bfc2fc98b7275a2e3ff94006d67d7e96bd30f3b3ff1a0752bb6bcb3c4bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c187bfc2fc98b7275a2e3ff94006d67d7e96bd30f3b3ff1a0752bb6bcb3c4bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c187bfc2fc98b7275a2e3ff94006d67d7e96bd30f3b3ff1a0752bb6bcb3c4bbd", kill_on_drop: false }`
[INFO] [stdout] c187bfc2fc98b7275a2e3ff94006d67d7e96bd30f3b3ff1a0752bb6bcb3c4bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9195016778541e0c82c3b3bad9f339916149fe9495c4e67bae882bcc6f5b00f
[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" "e9195016778541e0c82c3b3bad9f339916149fe9495c4e67bae882bcc6f5b00f", kill_on_drop: false }`
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9195016778541e0c82c3b3bad9f339916149fe9495c4e67bae882bcc6f5b00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9195016778541e0c82c3b3bad9f339916149fe9495c4e67bae882bcc6f5b00f", kill_on_drop: false }`
[INFO] [stdout] e9195016778541e0c82c3b3bad9f339916149fe9495c4e67bae882bcc6f5b00f