[INFO] fetching crate funfsm 0.2.1...
[INFO] checking funfsm-0.2.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate funfsm 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate funfsm 0.2.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate funfsm 0.2.1
[INFO] finished tweaking crates.io crate funfsm 0.2.1
[INFO] tweaked toml for crates.io crate funfsm 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6fd86af8ad5de1f1c1e009b9fbbb402a98eb8c08341571563f68342b363dfbb
[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" "f6fd86af8ad5de1f1c1e009b9fbbb402a98eb8c08341571563f68342b363dfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6fd86af8ad5de1f1c1e009b9fbbb402a98eb8c08341571563f68342b363dfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fd86af8ad5de1f1c1e009b9fbbb402a98eb8c08341571563f68342b363dfbb", kill_on_drop: false }`
[INFO] [stdout] f6fd86af8ad5de1f1c1e009b9fbbb402a98eb8c08341571563f68342b363dfbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2217cfbfc954543a516c5a3db07aa1aba54285e421fbfeae081f9857a8e27bba
[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" "2217cfbfc954543a516c5a3db07aa1aba54285e421fbfeae081f9857a8e27bba", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking funfsm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/constraints.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T::Context) -> bool`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (from, init_ctx) = try!(self.check_preconditions());
[INFO] [stdout]    |                                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.constraints.check_preconditions(from, &ctx));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(self.constraints.check_invariants(&ctx));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try!(self.constraints.check_invariants(&final_ctx));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/constraints.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout] 4 + pub type Pred<T> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/constraints.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type TransitionCheck<T: FsmTypes>
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:50
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |                                                  ^^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub type TransitionCheck<T: FsmTypes>
[INFO] [stdout] 5 + pub type TransitionCheck<T>
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/constraints.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T::Context) -> bool`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (from, init_ctx) = try!(self.check_preconditions());
[INFO] [stdout]    |                                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.constraints.check_preconditions(from, &ctx));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(self.constraints.check_invariants(&ctx));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/fsm_check.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try!(self.constraints.check_invariants(&final_ctx));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/constraints.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub type Pred<T: FsmTypes> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout] 4 + pub type Pred<T> = Box<Fn(&T::Context) -> bool>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/constraints.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type TransitionCheck<T: FsmTypes>
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stdout]  --> src/constraints.rs:6:50
[INFO] [stdout]   |
[INFO] [stdout] 6 |     = fn(&T::Context, &T::Context, &T::Msg, &Vec<T::Output>) -> Result<(), String>;
[INFO] [stdout]   |                                                  ^^^^^^^^^
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub type TransitionCheck<T: FsmTypes>
[INFO] [stdout] 5 + pub type TransitionCheck<T>
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "2217cfbfc954543a516c5a3db07aa1aba54285e421fbfeae081f9857a8e27bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2217cfbfc954543a516c5a3db07aa1aba54285e421fbfeae081f9857a8e27bba", kill_on_drop: false }`
[INFO] [stdout] 2217cfbfc954543a516c5a3db07aa1aba54285e421fbfeae081f9857a8e27bba