[INFO] fetching crate extfsm 0.11.0...
[INFO] checking extfsm-0.11.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate extfsm 0.11.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate extfsm 0.11.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded slog-atomic v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 99a90970077c35183ae87f98f745c3e753a2f91ebedfc456b1029297c0dbe61b
[INFO] running `Command { std: "docker" "start" "-a" "99a90970077c35183ae87f98f745c3e753a2f91ebedfc456b1029297c0dbe61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a90970077c35183ae87f98f745c3e753a2f91ebedfc456b1029297c0dbe61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a90970077c35183ae87f98f745c3e753a2f91ebedfc456b1029297c0dbe61b", kill_on_drop: false }`
[INFO] [stdout] 99a90970077c35183ae87f98f745c3e753a2f91ebedfc456b1029297c0dbe61b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd6872fca8be7e8d55a379c364ce57e5e0a0c7e99999623db41258d6c4f6c0d
[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" "bcd6872fca8be7e8d55a379c364ce57e5e0a0c7e99999623db41258d6c4f6c0d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking slog-atomic v2.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking extfsm v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | /     Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stdout] 107 | |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     | |___________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 |     dyn Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stdout] 107 |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |   > = Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stdout]     |  _____^
[INFO] [stdout] 122 | |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     | |_______________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 121 | > = dyn Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stdout] 122 |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |     i1: Box<Iterator<Item = ET>>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ET>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |     i2: Box<Iterator<Item = &'static str>>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1220:40
[INFO] [stdout]      |
[INFO] [stdout] 1220 | ...                   Ok(mut v) => {
[INFO] [stdout]      |                          ----^
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1173:36
[INFO] [stdout]      |
[INFO] [stdout] 1173 | ...                   Ok(mut v) => match v {
[INFO] [stdout]      |                          ----^
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | /     Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stdout] 107 | |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     | |___________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 |     dyn Fn(RefMut<Box<ExtendedState>>, EventType, OptionalFnArg<TransitionFnArguments>)
[INFO] [stdout] 107 |         -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |   > = Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stdout]     |  _____^
[INFO] [stdout] 122 | |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     | |_______________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 121 | > = dyn Fn(RefMut<Box<ExtendedState>>, Option<StateType>, Option<EventType>)
[INFO] [stdout] 122 |     -> TransitionResult<EventType, StateType, TransitionFnArguments, ErrorType>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |     i1: Box<Iterator<Item = ET>>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = ET>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |     i2: Box<Iterator<Item = &'static str>>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1220:40
[INFO] [stdout]      |
[INFO] [stdout] 1220 | ...                   Ok(mut v) => {
[INFO] [stdout]      |                          ----^
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1173:36
[INFO] [stdout]      |
[INFO] [stdout] 1173 | ...                   Ok(mut v) => match v {
[INFO] [stdout]      |                          ----^
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.06s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bcd6872fca8be7e8d55a379c364ce57e5e0a0c7e99999623db41258d6c4f6c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd6872fca8be7e8d55a379c364ce57e5e0a0c7e99999623db41258d6c4f6c0d", kill_on_drop: false }`
[INFO] [stdout] bcd6872fca8be7e8d55a379c364ce57e5e0a0c7e99999623db41258d6c4f6c0d
