[INFO] crate ccl_owning_ref 0.4.2 is already in cache
[INFO] extracting crate ccl_owning_ref 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/ccl_owning_ref/0.4.2
[INFO] extracting crate ccl_owning_ref 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ccl_owning_ref/0.4.2
[INFO] validating manifest of ccl_owning_ref-0.4.2 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 ccl_owning_ref-0.4.2 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 ccl_owning_ref-0.4.2
[INFO] finished frobbing ccl_owning_ref-0.4.2
[INFO] frobbed toml for ccl_owning_ref-0.4.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ccl_owning_ref/0.4.2/Cargo.toml
[INFO] started frobbing ccl_owning_ref-0.4.2
[INFO] finished frobbing ccl_owning_ref-0.4.2
[INFO] frobbed toml for ccl_owning_ref-0.4.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ccl_owning_ref/0.4.2/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] 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] testing ccl_owning_ref-0.4.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ccl_owning_ref/0.4.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 584528fb7b54eea6cca1fc9644c739a96bd26b2920ec6d8735de1ba29691737a
[INFO] running `"docker" "start" "-a" "584528fb7b54eea6cca1fc9644c739a96bd26b2920ec6d8735de1ba29691737a"`
[INFO] [stderr]    Compiling ccl_stable_deref_trait v1.0.2
[INFO] [stderr]    Compiling ccl_owning_ref v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1018:16
[INFO] [stderr]      |
[INFO] [stderr] 1018 | impl Debug for Erased {
[INFO] [stderr]      |                ^^^^^^ help: use `dyn`: `dyn Erased`
[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:1138:23
[INFO] [stderr]      |
[INFO] [stderr] 1138 |     type Erased = Box<Erased + 'a>;
[INFO] [stderr]      |                       ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1144:22
[INFO] [stderr]      |
[INFO] [stderr] 1144 |     type Erased = Rc<Erased + 'a>;
[INFO] [stderr]      |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1150:23
[INFO] [stderr]      |
[INFO] [stderr] 1150 |     type Erased = Arc<Erased + 'a>;
[INFO] [stderr]      |                       ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1157:42
[INFO] [stderr]      |
[INFO] [stderr] 1157 | pub type ErasedBoxRef<U> = OwningRef<Box<Erased>, U>;
[INFO] [stderr]      |                                          ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1159:40
[INFO] [stderr]      |
[INFO] [stderr] 1159 | pub type ErasedRcRef<U> = OwningRef<Rc<Erased>, U>;
[INFO] [stderr]      |                                        ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1161:42
[INFO] [stderr]      |
[INFO] [stderr] 1161 | pub type ErasedArcRef<U> = OwningRef<Arc<Erased>, U>;
[INFO] [stderr]      |                                          ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1164:48
[INFO] [stderr]      |
[INFO] [stderr] 1164 | pub type ErasedBoxRefMut<U> = OwningRefMut<Box<Erased>, U>;
[INFO] [stderr]      |                                                ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "584528fb7b54eea6cca1fc9644c739a96bd26b2920ec6d8735de1ba29691737a"`
[INFO] running `"docker" "rm" "-f" "584528fb7b54eea6cca1fc9644c739a96bd26b2920ec6d8735de1ba29691737a"`
[INFO] [stdout] 584528fb7b54eea6cca1fc9644c739a96bd26b2920ec6d8735de1ba29691737a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ccl_owning_ref/0.4.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5551b49c7094479880588d959e7584ea8f90c0789ea85527eea46cd1def162a1
[INFO] running `"docker" "start" "-a" "5551b49c7094479880588d959e7584ea8f90c0789ea85527eea46cd1def162a1"`
[INFO] [stderr]    Compiling ccl_owning_ref v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1018:16
[INFO] [stderr]      |
[INFO] [stderr] 1018 | impl Debug for Erased {
[INFO] [stderr]      |                ^^^^^^ help: use `dyn`: `dyn Erased`
[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:1138:23
[INFO] [stderr]      |
[INFO] [stderr] 1138 |     type Erased = Box<Erased + 'a>;
[INFO] [stderr]      |                       ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1144:22
[INFO] [stderr]      |
[INFO] [stderr] 1144 |     type Erased = Rc<Erased + 'a>;
[INFO] [stderr]      |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1150:23
[INFO] [stderr]      |
[INFO] [stderr] 1150 |     type Erased = Arc<Erased + 'a>;
[INFO] [stderr]      |                       ^^^^^^^^^^^ help: use `dyn`: `dyn Erased + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1157:42
[INFO] [stderr]      |
[INFO] [stderr] 1157 | pub type ErasedBoxRef<U> = OwningRef<Box<Erased>, U>;
[INFO] [stderr]      |                                          ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1159:40
[INFO] [stderr]      |
[INFO] [stderr] 1159 | pub type ErasedRcRef<U> = OwningRef<Rc<Erased>, U>;
[INFO] [stderr]      |                                        ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1161:42
[INFO] [stderr]      |
[INFO] [stderr] 1161 | pub type ErasedArcRef<U> = OwningRef<Arc<Erased>, U>;
[INFO] [stderr]      |                                          ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1164:48
[INFO] [stderr]      |
[INFO] [stderr] 1164 | pub type ErasedBoxRefMut<U> = OwningRefMut<Box<Erased>, U>;
[INFO] [stderr]      |                                                ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1287:27
[INFO] [stderr]      |
[INFO] [stderr] 1287 |             let o: BoxRef<Erased, i32> = o.erase_owner();
[INFO] [stderr]      |                           ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1408:33
[INFO] [stderr]      |
[INFO] [stderr] 1408 |             let e: OwningRef<Rc<Erased>, [u8]> = c.erase_owner();
[INFO] [stderr]      |                                 ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1409:33
[INFO] [stderr]      |
[INFO] [stderr] 1409 |             let f: OwningRef<Rc<Erased>, [u8]> = d.erase_owner();
[INFO] [stderr]      |                                 ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1425:35
[INFO] [stderr]      |
[INFO] [stderr] 1425 |             let _e: OwningRef<Box<Erased>, [u8]> = c.erase_owner();
[INFO] [stderr]      |                                   ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1426:35
[INFO] [stderr]      |
[INFO] [stderr] 1426 |             let _f: OwningRef<Box<Erased>, [u8]> = d.erase_owner();
[INFO] [stderr]      |                                   ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1434:24
[INFO] [stderr]      |
[INFO] [stderr] 1434 |             let y: Box<Any> = x;
[INFO] [stderr]      |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1444:24
[INFO] [stderr]      |
[INFO] [stderr] 1444 |             let y: Box<Any> = x;
[INFO] [stderr]      |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1725:30
[INFO] [stderr]      |
[INFO] [stderr] 1725 |             let o: BoxRefMut<Erased, i32> = o.erase_owner();
[INFO] [stderr]      |                              ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1827:38
[INFO] [stderr]      |
[INFO] [stderr] 1827 |             let _e: OwningRefMut<Box<Erased>, [u8]> = c.erase_owner();
[INFO] [stderr]      |                                      ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1828:38
[INFO] [stderr]      |
[INFO] [stderr] 1828 |             let _f: OwningRefMut<Box<Erased>, [u8]> = d.erase_owner();
[INFO] [stderr]      |                                      ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1841:38
[INFO] [stderr]      |
[INFO] [stderr] 1841 |             let _e: OwningRefMut<Box<Erased>, [u8]> = c.erase_owner();
[INFO] [stderr]      |                                      ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1842:38
[INFO] [stderr]      |
[INFO] [stderr] 1842 |             let _f: OwningRefMut<Box<Erased>, [u8]> = d.erase_owner();
[INFO] [stderr]      |                                      ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1850:24
[INFO] [stderr]      |
[INFO] [stderr] 1850 |             let y: Box<Any> = x;
[INFO] [stderr]      |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1860:24
[INFO] [stderr]      |
[INFO] [stderr] 1860 |             let y: Box<Any> = x;
[INFO] [stderr]      |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1870:24
[INFO] [stderr]      |
[INFO] [stderr] 1870 |             let y: Box<Any> = x;
[INFO] [stderr]      |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1880:24
[INFO] [stderr]      |
[INFO] [stderr] 1880 |             let y: Box<Any> = x;
[INFO] [stderr]      |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/lib.rs:1436:13
[INFO] [stderr]      |
[INFO] [stderr] 1436 |             OwningRef::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_ok();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]     --> src/lib.rs:1446:13
[INFO] [stderr]      |
[INFO] [stderr] 1446 |             OwningRef::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_err();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/lib.rs:1852:13
[INFO] [stderr]      |
[INFO] [stderr] 1852 |             OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::<i32>().ok_or(())).is_ok();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]     --> src/lib.rs:1862:13
[INFO] [stderr]      |
[INFO] [stderr] 1862 |             OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::<i32>().ok_or(())).is_err();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/lib.rs:1872:13
[INFO] [stderr]      |
[INFO] [stderr] 1872 |             OwningRefMut::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_ok();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stderr]     --> src/lib.rs:1882:13
[INFO] [stderr]      |
[INFO] [stderr] 1882 |             OwningRefMut::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_err();
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "5551b49c7094479880588d959e7584ea8f90c0789ea85527eea46cd1def162a1"`
[INFO] running `"docker" "rm" "-f" "5551b49c7094479880588d959e7584ea8f90c0789ea85527eea46cd1def162a1"`
[INFO] [stdout] 5551b49c7094479880588d959e7584ea8f90c0789ea85527eea46cd1def162a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ccl_owning_ref/0.4.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 129a7c42504c94935c48c813cc2df9bc5a4bd2af66e239a2d39bb6a447d7c9a4
[INFO] running `"docker" "start" "-a" "129a7c42504c94935c48c813cc2df9bc5a4bd2af66e239a2d39bb6a447d7c9a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ccl_owning_ref-1c31f8a4d6854a7d
[INFO] [stdout] running 61 tests
[INFO] [stdout] test tests::owning_handle::nested ... ok
[INFO] [stdout] test tests::owning_handle::owning_handle ... ok
[INFO] [stdout] test tests::owning_handle::owning_handle_mut_safe ... ok
[INFO] [stdout] test tests::owning_ref::borrow ... ok
[INFO] [stdout] test tests::owning_ref::cmp ... ok
[INFO] [stdout] test tests::owning_handle::try_owning_handle_ok ... ok
[INFO] [stdout] test tests::owning_handle::owning_handle_safe_2 ... ok
[INFO] [stdout] test tests::owning_handle::owning_handle_safe ... ok
[INFO] [stdout] test tests::owning_ref::eq ... ok
[INFO] [stdout] test tests::owning_ref::as_owner ... ok
[INFO] [stdout] test tests::owning_handle::try_owning_handle_err ... ok
[INFO] [stdout] test tests::owning_ref::erased_owner ... ok
[INFO] [stdout] test tests::owning_ref::fmt_debug ... ok
[INFO] [stdout] test tests::owning_ref::into ... ok
[INFO] [stdout] test tests::owning_ref::map_chained ... ok
[INFO] [stdout] test tests::owning_ref::map_heap_ref ... ok
[INFO] [stdout] test tests::owning_ref::hash ... ok
[INFO] [stdout] test tests::owning_ref::map_chained_inference ... ok
[INFO] [stdout] test tests::owning_ref::into_owner ... ok
[INFO] [stdout] test tests::owning_ref::raii_locks ... ok
[INFO] [stdout] test tests::owning_ref::total_erase_box ... ok
[INFO] [stdout] test tests::owning_ref::total_erase ... ok
[INFO] [stdout] test tests::owning_ref::non_static_erased_owner ... ok
[INFO] [stdout] test tests::owning_ref::try_map2 ... ok
[INFO] [stdout] test tests::owning_ref::partial_cmp ... ok
[INFO] [stdout] test tests::owning_ref::map_static_ref ... ok
[INFO] [stdout] test tests::owning_ref::new_deref ... ok
[INFO] [stdout] test tests::owning_ref_mut::as_owner ... ok
[INFO] [stdout] test tests::owning_ref::try_map1 ... ok
[INFO] [stdout] test tests::owning_ref_mut::cmp ... ok
[INFO] [stdout] test tests::owning_ref::map_offset_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::borrow ... ok
[INFO] [stdout] test tests::owning_ref_mut::eq ... ok
[INFO] [stdout] test tests::owning_ref_mut::hash ... ok
[INFO] [stdout] test tests::owning_ref_mut::fmt_debug ... ok
[INFO] [stdout] test tests::owning_ref_mut::erased_owner ... ok
[INFO] [stdout] test tests::owning_ref_mut::into_owning_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::into ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_mut_chained ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_chained_inference ... ok
[INFO] [stdout] test tests::owning_ref_mut::into_owner ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_heap_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_mut_heap_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_mut_static_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_mut_offset_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_static_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::mutate ... ok
[INFO] [stdout] test tests::owning_ref_mut::new_deref ... ok
[INFO] [stdout] test tests::owning_ref_mut::new_deref_mut ... ok
[INFO] [stdout] test tests::owning_ref_mut::non_static_erased_owner ... ok
[INFO] [stdout] test tests::owning_ref_mut::map_offset_ref ... ok
[INFO] [stdout] test tests::owning_ref_mut::try_map1 ... ok
[INFO] [stdout] test tests::owning_ref_mut::raii_locks ... ok
[INFO] [stdout] test tests::owning_ref_mut::ref_mut ... ok
[INFO] [stdout] test tests::owning_ref_mut::total_erase ... ok
[INFO] [stdout] test tests::owning_ref_mut::try_map3 ... ok
[INFO] [stderr]    Doc-tests ccl_owning_ref
[INFO] [stdout] test tests::owning_ref_mut::total_erase_box ... ok
[INFO] [stdout] test tests::owning_ref_mut::try_map2 ... ok
[INFO] [stdout] test tests::owning_ref_mut::partial_cmp ... ok
[INFO] [stdout] test tests::owning_ref_mut::try_map_mut ... ok
[INFO] [stdout] test tests::owning_ref_mut::try_map4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs -  (line 12) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 118) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 27) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 56) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 155) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 132) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 188) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 106) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 219) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 78) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRef<O, T>::map (line 342) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRef<O, T>::erase_owner (line 430) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRef<O, T>::new (line 302) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRef<O, T>::try_map (line 372) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRefMut<O, T>::erase_owner (line 674) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRefMut<O, T>::map (line 524) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRefMut<O, T>::map_mut (line 554) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRefMut<O, T>::try_map_mut (line 616) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRefMut<O, T>::try_map (line 584) ... FAILED
[INFO] [stdout] test src/lib.rs - OwningRefMut<O, T>::new (line 484) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 118) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:119:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:120:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::StringRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:123:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let s = StringRef::new("hello world".to_owned())
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:124:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |         .map(|s| s.split(' ').nth(1).unwrap());
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 27) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:28:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:29:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:31:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn return_owned_and_referenced() -> OwningRef<Vec<u8>, [u8]> {
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:33:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let or = OwningRef::new(v);
[INFO] [stdout]   |              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:34:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let or = or.map(|v| &v[1..3]);
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 56) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:57:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:58:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::BoxRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let arr: BoxRef<[i32]> = BoxRef::new(arr);
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let arr: BoxRef<[i32]> = BoxRef::new(arr);
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let arr: BoxRef<[i32]> = arr.map(|arr| &arr[1..3]);
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:69:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let arr: BoxRef<[i32]> = arr.map(|arr| &arr[1..3]);
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 155) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:156:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:157:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::ArcRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:180:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let rc: ArcRef<[i32]> = rc.into();
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:163:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn par_sum(rc: ArcRef<[i32]>) -> i32 {
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:170:31
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let left = rc.clone().map(|s| &s[..mid]);
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:171:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let right = rc.map(|s| &s[mid..]);
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 132) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:133:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:134:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::RcRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:138:28
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let rc: RcRef<[i32]> = RcRef::new(Rc::new([1, 2, 3, 4]) as Rc<[i32]>);
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:138:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let rc: RcRef<[i32]> = RcRef::new(Rc::new([1, 2, 3, 4]) as Rc<[i32]>);
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:141:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let rc_a: RcRef<[i32]> = rc.clone().map(|s| &s[0..2]);
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:141:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let rc_a: RcRef<[i32]> = rc.clone().map(|s| &s[0..2]);
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:142:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let rc_b = rc.clone().map(|s| &s[1..3]);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:143:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let rc_c = rc.clone().map(|s| &s[2..4]);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:148:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let rc_c_a = rc_c.clone().map(|s| &s[1]);
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 188) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:189:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:190:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::RefRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:198:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let refref = RefRef::new(refcell.borrow()).map(|x| &x.3);
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:198:52
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let refref = RefRef::new(refcell.borrow()).map(|x| &x.3);
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 106) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:107:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:108:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::VecRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:111:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let v = VecRef::new(vec![1, 2, 3, 4, 5]).map(|v| &v[3]);
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:111:46
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let v = VecRef::new(vec![1, 2, 3, 4, 5]).map(|v| &v[3]);
[INFO] [stdout]   |                                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 219) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:220:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:221:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::RefMutRefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:228:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut refmut_refmut = RefMutRefMut::new(refcell.borrow_mut()).map_mut(|x| &mut x.3);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:228:73
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut refmut_refmut = RefMutRefMut::new(refcell.borrow_mut()).map_mut(|x| &mut x.3);
[INFO] [stdout]    |                                                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 78) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:79:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:80:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::BoxRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let or = BoxRef::new(Box::new(foo)).map(|foo| {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:91:41
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let or = BoxRef::new(Box::new(foo)).map(|foo| {
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRef<O, T>::map (line 342) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:343:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:344:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:347:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref = OwningRef::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:351:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let owning_ref = owning_ref.map(|array| &array[2]);
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRef<O, T>::erase_owner (line 430) stdout ----
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:450:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let owning_refs: [OwningRef<Box<Erased>, i32>; 2]
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stdout]    |
[INFO] [stdout]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:431:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:432:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::{OwningRef, Erased};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:432:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::{OwningRef, Erased};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:439:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |         = OwningRef::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:438:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let owning_ref_a: OwningRef<Box<[i32; 4]>, [i32; 4]>
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:442:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         = OwningRef::new(Box::new(vec![(0, false), (1, true)]));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:441:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let owning_ref_b: OwningRef<Box<Vec<(i32, bool)>>, Vec<(i32, bool)>>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:444:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let owning_ref_a: OwningRef<Box<[i32; 4]>, i32>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:447:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let owning_ref_b: OwningRef<Box<Vec<(i32, bool)>>, i32>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:450:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let owning_refs: [OwningRef<Box<Erased>, i32>; 2]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:450:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let owning_refs: [OwningRef<Box<Erased>, i32>; 2]
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:445:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         = owning_ref_a.map(|a| &a[0]);
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:448:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |         = owning_ref_b.map(|a| &a[1].0);
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:451:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |         = [owning_ref_a.erase_owner(), owning_ref_b.erase_owner()];
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:451:53
[INFO] [stdout]    |
[INFO] [stdout] 22 |         = [owning_ref_a.erase_owner(), owning_ref_b.erase_owner()];
[INFO] [stdout]    |                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRef<O, T>::new (line 302) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:303:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:304:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:307:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref = OwningRef::new(Box::new(42));
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRef<O, T>::try_map (line 372) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:373:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:374:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:377:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref = OwningRef::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:381:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let owning_ref = owning_ref.try_map(|array| {
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRefMut<O, T>::erase_owner (line 674) stdout ----
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:694:44
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let owning_refs_mut: [OwningRefMut<Box<Erased>, i32>; 2]
[INFO] [stdout]    |                                            ^^^^^^ help: use `dyn`: `dyn Erased`
[INFO] [stdout]    |
[INFO] [stdout]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:675:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:676:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::{OwningRefMut, Erased};
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:676:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::{OwningRefMut, Erased};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:683:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |         = OwningRefMut::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:682:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let owning_ref_mut_a: OwningRefMut<Box<[i32; 4]>, [i32; 4]>
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:686:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |         = OwningRefMut::new(Box::new(vec![(0, false), (1, true)]));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:685:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let owning_ref_mut_b: OwningRefMut<Box<Vec<(i32, bool)>>, Vec<(i32, bool)>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:688:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let owning_ref_mut_a: OwningRefMut<Box<[i32; 4]>, i32>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:691:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let owning_ref_mut_b: OwningRefMut<Box<Vec<(i32, bool)>>, i32>
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:694:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let owning_refs_mut: [OwningRefMut<Box<Erased>, i32>; 2]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:694:44
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let owning_refs_mut: [OwningRefMut<Box<Erased>, i32>; 2]
[INFO] [stdout]    |                                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:689:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |         = owning_ref_mut_a.map_mut(|a| &mut a[0]);
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:692:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |         = owning_ref_mut_b.map_mut(|a| &mut a[1].0);
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:695:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |         = [owning_ref_mut_a.erase_owner(), owning_ref_mut_b.erase_owner()];
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:695:61
[INFO] [stdout]    |
[INFO] [stdout] 22 |         = [owning_ref_mut_a.erase_owner(), owning_ref_mut_b.erase_owner()];
[INFO] [stdout]    |                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRefMut<O, T>::map (line 524) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:525:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:526:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:529:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref_mut = OwningRefMut::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:533:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let owning_ref = owning_ref_mut.map(|array| &array[2]);
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRefMut<O, T>::map_mut (line 554) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:555:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:556:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:559:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref_mut = OwningRefMut::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:563:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let owning_ref_mut = owning_ref_mut.map_mut(|array| &mut array[2]);
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRefMut<O, T>::try_map_mut (line 616) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:617:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:618:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:621:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref_mut = OwningRefMut::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:625:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let owning_ref_mut = owning_ref_mut.try_map_mut(|array| {
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRefMut<O, T>::try_map (line 584) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:585:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:586:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:589:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref_mut = OwningRefMut::new(Box::new([1, 2, 3, 4]));
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:593:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let owning_ref = owning_ref_mut.try_map(|array| {
[INFO] [stdout]    |                                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - OwningRefMut<O, T>::new (line 484) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:485:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate owning_ref;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:486:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use owning_ref::OwningRefMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:489:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let owning_ref_mut = OwningRefMut::new(Box::new(42));
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 106)
[INFO] [stdout]     src/lib.rs -  (line 118)
[INFO] [stdout]     src/lib.rs -  (line 132)
[INFO] [stdout]     src/lib.rs -  (line 155)
[INFO] [stdout]     src/lib.rs -  (line 188)
[INFO] [stdout]     src/lib.rs -  (line 219)
[INFO] [stdout]     src/lib.rs -  (line 27)
[INFO] [stdout]     src/lib.rs -  (line 56)
[INFO] [stdout]     src/lib.rs -  (line 78)
[INFO] [stdout]     src/lib.rs - OwningRef<O, T>::erase_owner (line 430)
[INFO] [stdout]     src/lib.rs - OwningRef<O, T>::map (line 342)
[INFO] [stdout]     src/lib.rs - OwningRef<O, T>::new (line 302)
[INFO] [stdout]     src/lib.rs - OwningRef<O, T>::try_map (line 372)
[INFO] [stdout]     src/lib.rs - OwningRefMut<O, T>::erase_owner (line 674)
[INFO] [stdout]     src/lib.rs - OwningRefMut<O, T>::map (line 524)
[INFO] [stdout]     src/lib.rs - OwningRefMut<O, T>::map_mut (line 554)
[INFO] [stdout]     src/lib.rs - OwningRefMut<O, T>::new (line 484)
[INFO] [stdout]     src/lib.rs - OwningRefMut<O, T>::try_map (line 584)
[INFO] [stdout]     src/lib.rs - OwningRefMut<O, T>::try_map_mut (line 616)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 19 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "129a7c42504c94935c48c813cc2df9bc5a4bd2af66e239a2d39bb6a447d7c9a4"`
[INFO] running `"docker" "rm" "-f" "129a7c42504c94935c48c813cc2df9bc5a4bd2af66e239a2d39bb6a447d7c9a4"`
[INFO] [stdout] 129a7c42504c94935c48c813cc2df9bc5a4bd2af66e239a2d39bb6a447d7c9a4