[INFO] crate recur-fn 2.0.0 is already in cache
[INFO] extracting crate recur-fn 2.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/recur-fn/2.0.0
[INFO] extracting crate recur-fn 2.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/recur-fn/2.0.0
[INFO] validating manifest of recur-fn-2.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of recur-fn-2.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/recur-fn/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing recur-fn-2.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f814115334c15cf7f757377410ebf323b5ffcf1f66cbab055d836a0ec0013a94
[INFO] running `"docker" "start" "-a" "f814115334c15cf7f757377410ebf323b5ffcf1f66cbab055d836a0ec0013a94"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `"docker" "inspect" "f814115334c15cf7f757377410ebf323b5ffcf1f66cbab055d836a0ec0013a94"`
[INFO] running `"docker" "rm" "-f" "f814115334c15cf7f757377410ebf323b5ffcf1f66cbab055d836a0ec0013a94"`
[INFO] [stdout] f814115334c15cf7f757377410ebf323b5ffcf1f66cbab055d836a0ec0013a94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec8f7c7c70c0ea9568b3fed8f0728707de30ee0c60ed0a4ed4108ad707fc04f5
[INFO] running `"docker" "start" "-a" "ec8f7c7c70c0ea9568b3fed8f0728707de30ee0c60ed0a4ed4108ad707fc04f5"`
[INFO] [stderr]    Compiling 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/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 0.43s
[INFO] running `"docker" "inspect" "ec8f7c7c70c0ea9568b3fed8f0728707de30ee0c60ed0a4ed4108ad707fc04f5"`
[INFO] running `"docker" "rm" "-f" "ec8f7c7c70c0ea9568b3fed8f0728707de30ee0c60ed0a4ed4108ad707fc04f5"`
[INFO] [stdout] ec8f7c7c70c0ea9568b3fed8f0728707de30ee0c60ed0a4ed4108ad707fc04f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3895ab257f6ad980939bfded7105cb2bd58c718ea5509877f49b67579fa6ed2a
[INFO] running `"docker" "start" "-a" "3895ab257f6ad980939bfded7105cb2bd58c718ea5509877f49b67579fa6ed2a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/recur_fn-f299a31857318156
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::lifetime_works ... ok
[INFO] [stdout] test tests::dyn_works ... ok
[INFO] [stdout] test tests::fact_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests recur-fn
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 91) ... ok
[INFO] [stdout] test src/lib.rs -  (line 77) ... ok
[INFO] [stdout] test src/lib.rs - from_pointer (line 173) ... ok
[INFO] [stdout] test src/lib.rs - recur_fn (line 250) ... ok
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] test src/lib.rs - direct (line 219) ... ok
[INFO] [stdout] test src/lib.rs -  (line 53) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs - recur_fn (line 279) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3895ab257f6ad980939bfded7105cb2bd58c718ea5509877f49b67579fa6ed2a"`
[INFO] running `"docker" "rm" "-f" "3895ab257f6ad980939bfded7105cb2bd58c718ea5509877f49b67579fa6ed2a"`
[INFO] [stdout] 3895ab257f6ad980939bfded7105cb2bd58c718ea5509877f49b67579fa6ed2a