[INFO] fetching crate extfsm 0.11.0...
[INFO] checking extfsm-0.11.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate extfsm 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate extfsm 0.11.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate extfsm 0.11.0
[INFO] finished tweaking crates.io crate extfsm 0.11.0
[INFO] tweaked toml for crates.io crate extfsm 0.11.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c84bf5f6de7a39b106e5fdd725d1c76952ec9817d4b79e9cd7b08a081c2a0aab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c84bf5f6de7a39b106e5fdd725d1c76952ec9817d4b79e9cd7b08a081c2a0aab"`
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking slog-atomic v2.0.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking extfsm v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | /     Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stderr] 107 | |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     | |___________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 106 |     dyn Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stderr] 107 |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |   > = Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stderr]     |  _____^
[INFO] [stderr] 122 | |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     | |_______________________________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 121 | > = dyn Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stderr] 122 |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |     i1: Box<Iterator<Item = ET>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ET>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |     i2: Box<Iterator<Item = &'static str>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static str>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 | /     Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stderr] 107 | |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     | |___________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 106 |     dyn Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stderr] 107 |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |   > = Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stderr]     |  _____^
[INFO] [stderr] 122 | |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     | |_______________________________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 121 | > = dyn Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stderr] 122 |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |     i1: Box<Iterator<Item = ET>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ET>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |     i2: Box<Iterator<Item = &'static str>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static str>`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1220:40
[INFO] [stderr]      |
[INFO] [stderr] 1220 | ...                   Ok(mut v) =...
[INFO] [stderr]      |                          ----^
[INFO] [stderr]      |                          |
[INFO] [stderr]      |                          help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1173:36
[INFO] [stderr]      |
[INFO] [stderr] 1173 | ...                   Ok(mut v) => match v {
[INFO] [stderr]      |                          ----^
[INFO] [stderr]      |                          |
[INFO] [stderr]      |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1220:40
[INFO] [stderr]      |
[INFO] [stderr] 1220 | ...                   Ok(mut v) =...
[INFO] [stderr]      |                          ----^
[INFO] [stderr]      |                          |
[INFO] [stderr]      |                          help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1173:36
[INFO] [stderr]      |
[INFO] [stderr] 1173 | ...                   Ok(mut v) => match v {
[INFO] [stderr]      |                          ----^
[INFO] [stderr]      |                          |
[INFO] [stderr]      |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "c84bf5f6de7a39b106e5fdd725d1c76952ec9817d4b79e9cd7b08a081c2a0aab"`
[INFO] running `"docker" "rm" "-f" "c84bf5f6de7a39b106e5fdd725d1c76952ec9817d4b79e9cd7b08a081c2a0aab"`
[INFO] [stdout] c84bf5f6de7a39b106e5fdd725d1c76952ec9817d4b79e9cd7b08a081c2a0aab