[INFO] crate owning_ref 0.4.0 is already in cache [INFO] extracting crate owning_ref 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/owning_ref/0.4.0 [INFO] extracting crate owning_ref 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owning_ref/0.4.0 [INFO] validating manifest of owning_ref-0.4.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of owning_ref-0.4.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing owning_ref-0.4.0 [INFO] finished frobbing owning_ref-0.4.0 [INFO] frobbed toml for owning_ref-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/owning_ref/0.4.0/Cargo.toml [INFO] started frobbing owning_ref-0.4.0 [INFO] finished frobbing owning_ref-0.4.0 [INFO] frobbed toml for owning_ref-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owning_ref/0.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing owning_ref-0.4.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/owning_ref/0.4.0:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 9f40f01345834401b774cb06edefb0e7e02081343586657d0b59dd1319b4e9fe [INFO] running `"docker" "start" "-a" "9f40f01345834401b774cb06edefb0e7e02081343586657d0b59dd1319b4e9fe"` [INFO] [stderr] Compiling owning_ref v0.4.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `"docker" "inspect" "9f40f01345834401b774cb06edefb0e7e02081343586657d0b59dd1319b4e9fe"` [INFO] running `"docker" "rm" "-f" "9f40f01345834401b774cb06edefb0e7e02081343586657d0b59dd1319b4e9fe"` [INFO] [stdout] 9f40f01345834401b774cb06edefb0e7e02081343586657d0b59dd1319b4e9fe [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/owning_ref/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 49f0924592a10ccc781860b1af37b28bf8cded7a4724582cc76936867d139046 [INFO] running `"docker" "start" "-a" "49f0924592a10ccc781860b1af37b28bf8cded7a4724582cc76936867d139046"` [INFO] [stderr] Compiling owning_ref v0.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::result::Result::::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::().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::::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::().ok_or(())).is_err(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::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::().ok_or(())).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::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::().ok_or(())).is_err(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::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::().ok_or(())).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::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::().ok_or(())).is_err(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `"docker" "inspect" "49f0924592a10ccc781860b1af37b28bf8cded7a4724582cc76936867d139046"` [INFO] running `"docker" "rm" "-f" "49f0924592a10ccc781860b1af37b28bf8cded7a4724582cc76936867d139046"` [INFO] [stdout] 49f0924592a10ccc781860b1af37b28bf8cded7a4724582cc76936867d139046 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/owning_ref/0.4.0:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c46c0de57dedf3bfcacb1d975e5c2dcd1ac27eeb9a9906062c726031c15abd67 [INFO] running `"docker" "start" "-a" "c46c0de57dedf3bfcacb1d975e5c2dcd1ac27eeb9a9906062c726031c15abd67"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/owning_ref-d5564cafa8f81450 [INFO] [stdout] [INFO] [stdout] running 61 tests [INFO] [stdout] test tests::owning_handle::owning_handle_safe ... ok [INFO] [stdout] test tests::owning_handle::owning_handle_mut_safe ... ok [INFO] [stdout] test tests::owning_handle::owning_handle ... ok [INFO] [stdout] test tests::owning_ref::borrow ... ok [INFO] [stdout] test tests::owning_ref::cmp ... ok [INFO] [stdout] test tests::owning_ref::eq ... 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::hash ... ok [INFO] [stdout] test tests::owning_ref::into ... ok [INFO] [stdout] test tests::owning_ref::into_owner ... ok [INFO] [stdout] test tests::owning_ref::map_chained ... ok [INFO] [stdout] test tests::owning_ref::map_chained_inference ... ok [INFO] [stdout] test tests::owning_ref::map_heap_ref ... ok [INFO] [stdout] test tests::owning_ref::map_offset_ref ... 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::non_static_erased_owner ... ok [INFO] [stdout] test tests::owning_ref::partial_cmp ... ok [INFO] [stdout] test tests::owning_ref::as_owner ... ok [INFO] [stdout] test tests::owning_handle::nested ... ok [INFO] [stdout] test tests::owning_handle::owning_handle_safe_2 ... ok [INFO] [stdout] test tests::owning_ref::total_erase_box ... ok [INFO] [stdout] test tests::owning_ref::try_map1 ... ok [INFO] [stdout] test tests::owning_handle::try_owning_handle_err ... ok [INFO] [stdout] test tests::owning_ref::total_erase ... ok [INFO] [stdout] test tests::owning_handle::try_owning_handle_ok ... ok [INFO] [stdout] test tests::owning_ref::raii_locks ... ok [INFO] [stdout] test tests::owning_ref_mut::as_owner ... ok [INFO] [stdout] test tests::owning_ref_mut::cmp ... ok [INFO] [stdout] test tests::owning_ref::try_map2 ... 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::into ... ok [INFO] [stdout] test tests::owning_ref_mut::into_owning_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::erased_owner ... ok [INFO] [stdout] test tests::owning_ref_mut::into_owner ... ok [INFO] [stdout] test tests::owning_ref_mut::fmt_debug ... ok [INFO] [stdout] test tests::owning_ref_mut::map_mut_chained ... ok [INFO] [stdout] test tests::owning_ref_mut::map_mut_heap_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::map_heap_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::map_mut_static_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::map_chained_inference ... ok [INFO] [stdout] test tests::owning_ref_mut::map_mut_offset_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::map_offset_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::ref_mut ... ok [INFO] [stdout] test tests::owning_ref_mut::raii_locks ... ok [INFO] [stdout] test tests::owning_ref_mut::total_erase ... ok [INFO] [stdout] test tests::owning_ref_mut::total_erase_box ... ok [INFO] [stdout] test tests::owning_ref_mut::partial_cmp ... ok [INFO] [stdout] test tests::owning_ref_mut::map_static_ref ... ok [INFO] [stdout] test tests::owning_ref_mut::try_map4 ... ok [INFO] [stdout] test tests::owning_ref_mut::try_map_mut ... ok [INFO] [stdout] test tests::owning_ref_mut::non_static_erased_owner ... ok [INFO] [stdout] test tests::owning_ref_mut::new_deref_mut ... ok [INFO] [stdout] test tests::owning_ref_mut::new_deref ... ok [INFO] [stdout] test tests::owning_ref_mut::mutate ... ok [INFO] [stdout] test tests::owning_ref_mut::try_map1 ... ok [INFO] [stdout] test tests::owning_ref_mut::try_map3 ... ok [INFO] [stdout] test tests::owning_ref_mut::try_map2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests owning_ref [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test src/lib.rs - (line 12) ... ignored [INFO] [stdout] test src/lib.rs - (line 27) ... ok [INFO] [stdout] test src/lib.rs - (line 106) ... ok [INFO] [stdout] test src/lib.rs - (line 56) ... ok [INFO] [stdout] test src/lib.rs - (line 188) ... ok [INFO] [stdout] test src/lib.rs - (line 219) ... ok [INFO] [stdout] test src/lib.rs - (line 132) ... ok [INFO] [stdout] test src/lib.rs - (line 118) ... ok [INFO] [stdout] test src/lib.rs - (line 78) ... ok [INFO] [stdout] test src/lib.rs - (line 155) ... ok [INFO] [stdout] test src/lib.rs - OwningRef::erase_owner (line 430) ... ok [INFO] [stdout] test src/lib.rs - OwningRef::map (line 342) ... ok [INFO] [stdout] test src/lib.rs - OwningRef::new (line 302) ... ok [INFO] [stdout] test src/lib.rs - OwningRef::try_map (line 372) ... ok [INFO] [stdout] test src/lib.rs - OwningRefMut::map_mut (line 554) ... ok [INFO] [stdout] test src/lib.rs - OwningRefMut::map (line 524) ... ok [INFO] [stdout] test src/lib.rs - OwningRefMut::erase_owner (line 674) ... ok [INFO] [stdout] test src/lib.rs - OwningRefMut::new (line 484) ... ok [INFO] [stdout] test src/lib.rs - OwningRefMut::try_map (line 584) ... ok [INFO] [stdout] test src/lib.rs - OwningRefMut::try_map_mut (line 616) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c46c0de57dedf3bfcacb1d975e5c2dcd1ac27eeb9a9906062c726031c15abd67"` [INFO] running `"docker" "rm" "-f" "c46c0de57dedf3bfcacb1d975e5c2dcd1ac27eeb9a9906062c726031c15abd67"` [INFO] [stdout] c46c0de57dedf3bfcacb1d975e5c2dcd1ac27eeb9a9906062c726031c15abd67