[INFO] fetching crate funfsm 0.2.1...
[INFO] checking funfsm-0.2.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate funfsm 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate funfsm 0.2.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b32548401a8434bd58c9571b0b4f82144ecb10444123ce779d3b812241974bb
[INFO] running `Command { std: "docker" "start" "-a" "7b32548401a8434bd58c9571b0b4f82144ecb10444123ce779d3b812241974bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b32548401a8434bd58c9571b0b4f82144ecb10444123ce779d3b812241974bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b32548401a8434bd58c9571b0b4f82144ecb10444123ce779d3b812241974bb", kill_on_drop: false }`
[INFO] [stdout] 7b32548401a8434bd58c9571b0b4f82144ecb10444123ce779d3b812241974bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d1fa3bb031a627ee3c126c88d6c338747389c1d81355c9764b30f567702b0be
[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" "1d1fa3bb031a627ee3c126c88d6c338747389c1d81355c9764b30f567702b0be", kill_on_drop: false }`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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> = 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>
[INFO] [stdout]   |                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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> = 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>
[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 0.88s
[INFO] running `Command { std: "docker" "inspect" "1d1fa3bb031a627ee3c126c88d6c338747389c1d81355c9764b30f567702b0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1fa3bb031a627ee3c126c88d6c338747389c1d81355c9764b30f567702b0be", kill_on_drop: false }`
[INFO] [stdout] 1d1fa3bb031a627ee3c126c88d6c338747389c1d81355c9764b30f567702b0be