[INFO] fetching crate intrusive-collections 0.8.1...
[INFO] checking intrusive-collections-0.8.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate intrusive-collections 0.8.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate intrusive-collections 0.8.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate intrusive-collections 0.8.1
[INFO] finished tweaking crates.io crate intrusive-collections 0.8.1
[INFO] tweaked toml for crates.io crate intrusive-collections 0.8.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8389843616a6b2041269c704945d6522d96c0c3c9959782178ffb8e1acbb32f1
[INFO] running `"docker" "start" "-a" "8389843616a6b2041269c704945d6522d96c0c3c9959782178ffb8e1acbb32f1"`
[INFO] [stderr]     Checking intrusive-collections v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]     --> src/rbtree.rs:1456:43
[INFO] [stderr]      |
[INFO] [stderr] 1456 | pub enum Entry<'a, A: Adapter<Link = Link> + 'a> {
[INFO] [stderr]      |                                           ^^^^^ help: remove this bound
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:275:9
[INFO] [stderr]      |
[INFO] [stderr] 275  | #![warn(rust_2018_idioms)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/adapter.rs:73:40
[INFO] [stderr]     |
[INFO] [stderr] 73  |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/linked_list.rs:989:5
[INFO] [stderr]     |
[INFO] [stderr] 989 |     intrusive_adapter!(ObjAdapter1 = UnsafeRef<Obj>: Obj { link1: Link });
[INFO] [stderr]     |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/adapter.rs:73:40
[INFO] [stderr]     |
[INFO] [stderr] 73  |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/linked_list.rs:990:5
[INFO] [stderr]     |
[INFO] [stderr] 990 |     intrusive_adapter!(ObjAdapter2 = UnsafeRef<Obj>: Obj { link2: Link });
[INFO] [stderr]     |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/linked_list.rs:1349:9
[INFO] [stderr]      |
[INFO] [stderr] 1349 |         intrusive_adapter!(ObjAdapter<'a, T> = &'a Obj<'a, T>: Obj<'a, T> {link: Link} where T: 'a);
[INFO] [stderr]      |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/rbtree.rs:1663:5
[INFO] [stderr]      |
[INFO] [stderr] 1663 |     intrusive_adapter!(ObjAdapter = UnsafeRef<Obj>: Obj { link: Link });
[INFO] [stderr]      |     -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/rbtree.rs:2349:9
[INFO] [stderr]      |
[INFO] [stderr] 2349 |         intrusive_adapter!(ObjAdapter<'a, T> = &'a Obj<'a, T>: Obj<'a, T> {link: Link} where T: 'a);
[INFO] [stderr]      |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/adapter.rs:73:40
[INFO] [stderr]     |
[INFO] [stderr] 73  |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/singly_linked_list.rs:757:5
[INFO] [stderr]     |
[INFO] [stderr] 757 |     intrusive_adapter!(ObjAdapter1 = UnsafeRef<Obj>: Obj { link1: Link });
[INFO] [stderr]     |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/adapter.rs:73:40
[INFO] [stderr]     |
[INFO] [stderr] 73  |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/singly_linked_list.rs:758:5
[INFO] [stderr]     |
[INFO] [stderr] 758 |     intrusive_adapter!(ObjAdapter2 = UnsafeRef<Obj>: Obj { link2: Link });
[INFO] [stderr]     |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/singly_linked_list.rs:1073:9
[INFO] [stderr]      |
[INFO] [stderr] 1073 |         intrusive_adapter!(ObjAdapter<'a, T> = &'a Obj<'a, T>: Obj<'a, T> {link: Link} where T: 'a);
[INFO] [stderr]      |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: the type `linked_list::tests::test_non_static::Obj<'a, T>` does not permit being left uninitialized
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                        |
[INFO] [stderr]      |                                        this code causes undefined behavior when executed
[INFO] [stderr]      |                                        help: use `MaybeUninit<T>` instead
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/linked_list.rs:1349:9
[INFO] [stderr]      |
[INFO] [stderr] 1349 |         intrusive_adapter!(ObjAdapter<'a, T> = &'a Obj<'a, T>: Obj<'a, T> {link: Link} where T: 'a);
[INFO] [stderr]      |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: References must be non-null (in this struct field)
[INFO] [stderr]     --> src/linked_list.rs:1347:13
[INFO] [stderr]      |
[INFO] [stderr] 1347 |             value: &'a T,
[INFO] [stderr]      |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]     --> src/rbtree.rs:1456:43
[INFO] [stderr]      |
[INFO] [stderr] 1456 | pub enum Entry<'a, A: Adapter<Link = Link> + 'a> {
[INFO] [stderr]      |                                           ^^^^^ help: remove this bound
[INFO] [stderr]      |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]     --> src/lib.rs:275:9
[INFO] [stderr]      |
[INFO] [stderr] 275  | #![warn(rust_2018_idioms)]
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: the type `rbtree::tests::test_non_static::Obj<'a, T>` does not permit being left uninitialized
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                        |
[INFO] [stderr]      |                                        this code causes undefined behavior when executed
[INFO] [stderr]      |                                        help: use `MaybeUninit<T>` instead
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/rbtree.rs:2349:9
[INFO] [stderr]      |
[INFO] [stderr] 2349 |         intrusive_adapter!(ObjAdapter<'a, T> = &'a Obj<'a, T>: Obj<'a, T> {link: Link} where T: 'a);
[INFO] [stderr]      |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: References must be non-null (in this struct field)
[INFO] [stderr]     --> src/rbtree.rs:2347:13
[INFO] [stderr]      |
[INFO] [stderr] 2347 |             value: &'a T,
[INFO] [stderr]      |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `singly_linked_list::tests::test_non_static::Obj<'a, T>` does not permit being left uninitialized
[INFO] [stderr]     --> src/adapter.rs:73:40
[INFO] [stderr]      |
[INFO] [stderr] 73   |         let val: $container = unsafe { $crate::__core::mem::uninitialized() };
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |                                        |
[INFO] [stderr]      |                                        this code causes undefined behavior when executed
[INFO] [stderr]      |                                        help: use `MaybeUninit<T>` instead
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/singly_linked_list.rs:1073:9
[INFO] [stderr]      |
[INFO] [stderr] 1073 |         intrusive_adapter!(ObjAdapter<'a, T> = &'a Obj<'a, T>: Obj<'a, T> {link: Link} where T: 'a);
[INFO] [stderr]      |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: References must be non-null (in this struct field)
[INFO] [stderr]     --> src/singly_linked_list.rs:1071:13
[INFO] [stderr]      |
[INFO] [stderr] 1071 |             value: &'a T,
[INFO] [stderr]      |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "8389843616a6b2041269c704945d6522d96c0c3c9959782178ffb8e1acbb32f1"`
[INFO] running `"docker" "rm" "-f" "8389843616a6b2041269c704945d6522d96c0c3c9959782178ffb8e1acbb32f1"`
[INFO] [stdout] 8389843616a6b2041269c704945d6522d96c0c3c9959782178ffb8e1acbb32f1