[INFO] crate recur-fn 2.0.0 is already in cache
[INFO] extracting crate recur-fn 2.0.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/recur-fn/2.0.0
[INFO] extracting crate recur-fn 2.0.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/recur-fn/2.0.0
[INFO] validating manifest of recur-fn-2.0.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of recur-fn-2.0.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing recur-fn-2.0.0
[INFO] finished frobbing recur-fn-2.0.0
[INFO] frobbed toml for recur-fn-2.0.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/recur-fn/2.0.0/Cargo.toml
[INFO] started frobbing recur-fn-2.0.0
[INFO] finished frobbing recur-fn-2.0.0
[INFO] frobbed toml for recur-fn-2.0.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/recur-fn/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking recur-fn-2.0.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/recur-fn/2.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 39e49cabcd95bf1f18cb3393006d03ee4aafc9d45baa6e5bea58c4db1a09e6e3
[INFO] running `"docker" "start" "-a" "39e49cabcd95bf1f18cb3393006d03ee4aafc9d45baa6e5bea58c4db1a09e6e3"`
[INFO] [stderr]     Checking recur-fn v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:32
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn dyn_body(&self, recur: &Fn(Arg) -> Output, arg: Arg) -> Output;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn dyn_body(&self, recur: &Fn(Arg) -> Output, arg: Arg) -> Output {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 149 | impl_dyn_with_markers! {}
[INFO] [stderr]     | ------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a$( + $marker`
[INFO] [stderr] ...
[INFO] [stderr] 150 | impl_dyn_with_markers! {Send}
[INFO] [stderr]     | ----------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a$( + $marker`
[INFO] [stderr] ...
[INFO] [stderr] 151 | impl_dyn_with_markers! {Sync}
[INFO] [stderr]     | ----------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a$( + $marker`
[INFO] [stderr] ...
[INFO] [stderr] 152 | impl_dyn_with_markers! {Send, Sync}
[INFO] [stderr]     | ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:235:12
[INFO] [stderr]     |
[INFO] [stderr] 235 |     F: Fn(&Fn(Arg) -> Output, Arg) -> Output,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:265:12
[INFO] [stderr]     |
[INFO] [stderr] 265 |     F: Fn(&Fn(Arg) -> Output, Arg) -> Output,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:32
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn dyn_body(&self, recur: &Fn(Arg) -> Output, arg: Arg) -> Output;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn dyn_body(&self, recur: &Fn(Arg) -> Output, arg: Arg) -> Output {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a`
[INFO] [stderr] ...
[INFO] [stderr] 149 | impl_dyn_with_markers! {}
[INFO] [stderr]     | ------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a$( + $marker`
[INFO] [stderr] ...
[INFO] [stderr] 150 | impl_dyn_with_markers! {Send}
[INFO] [stderr]     | ----------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a$( + $marker`
[INFO] [stderr] ...
[INFO] [stderr] 151 | impl_dyn_with_markers! {Sync}
[INFO] [stderr]     | ----------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         impl<'a, Arg, Output> RecurFn<Arg, Output> for DynRecurFn<Arg, Output> + 'a$( + $marker)*
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<Arg, Output> + 'a$( + $marker`
[INFO] [stderr] ...
[INFO] [stderr] 152 | impl_dyn_with_markers! {Send, Sync}
[INFO] [stderr]     | ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:235:12
[INFO] [stderr]     |
[INFO] [stderr] 235 |     F: Fn(&Fn(Arg) -> Output, Arg) -> Output,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:265:12
[INFO] [stderr]     |
[INFO] [stderr] 265 |     F: Fn(&Fn(Arg) -> Output, Arg) -> Output,
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Arg) -> Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tests.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let dyn_fact: &DynRecurFn<_, _> = &fact;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<_, _>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tests.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let dyn_fact: Box<DynRecurFn<_, _> + Send + Sync> = Box::new(fact);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<_, _> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tests.rs:37:41
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn test_fact_lifetime(fact_borrow: &DynRecurFn<i32, i32>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DynRecurFn<i32, i32>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "39e49cabcd95bf1f18cb3393006d03ee4aafc9d45baa6e5bea58c4db1a09e6e3"`
[INFO] running `"docker" "rm" "-f" "39e49cabcd95bf1f18cb3393006d03ee4aafc9d45baa6e5bea58c4db1a09e6e3"`
[INFO] [stdout] 39e49cabcd95bf1f18cb3393006d03ee4aafc9d45baa6e5bea58c4db1a09e6e3