[INFO] fetching crate libtree 0.1.0...
[INFO] testing libtree-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate libtree 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate libtree 0.1.0
[INFO] finished tweaking crates.io crate libtree 0.1.0
[INFO] tweaked toml for crates.io crate libtree 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libtree 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bbb72b2079244e920d10651f29ae0b39b74adf3a11f8057b47505afad751233
[INFO] running `Command { std: "docker" "start" "-a" "2bbb72b2079244e920d10651f29ae0b39b74adf3a11f8057b47505afad751233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bbb72b2079244e920d10651f29ae0b39b74adf3a11f8057b47505afad751233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbb72b2079244e920d10651f29ae0b39b74adf3a11f8057b47505afad751233", kill_on_drop: false }`
[INFO] [stdout] 2bbb72b2079244e920d10651f29ae0b39b74adf3a11f8057b47505afad751233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e70fd5896a0250ef82e2d5cc7c7ea5afe038bd9bba29a1db0d490997f4d4fa
[INFO] running `Command { std: "docker" "start" "-a" "a4e70fd5896a0250ef82e2d5cc7c7ea5afe038bd9bba29a1db0d490997f4d4fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         unsafe { &(*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |         unsafe { &(*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 110 |         unsafe { &(*(&(*self.current.as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                     ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:137:28
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.current = (*self.current.as_ptr()).childs[index];
[INFO] [stdout]     |                            ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:137:28
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.current = (*self.current.as_ptr()).childs[index];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 137 |             self.current = (&(*self.current.as_ptr()).childs)[index];
[INFO] [stdout]     |                            ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |         unsafe { &(*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:320:21
[INFO] [stdout]     |
[INFO] [stdout] 320 |         unsafe { &(*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 320 |         unsafe { &(*(&(*self.current.as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                     ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:342:25
[INFO] [stdout]     |
[INFO] [stdout] 342 |         unsafe { &mut (*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                         ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:342:25
[INFO] [stdout]     |
[INFO] [stdout] 342 |         unsafe { &mut (*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 342 |         unsafe { &mut (*(&(*self.current.as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                         ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:369:28
[INFO] [stdout]     |
[INFO] [stdout] 369 |             self.current = (*self.current.as_ptr()).childs[index];
[INFO] [stdout]     |                            ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:369:28
[INFO] [stdout]     |
[INFO] [stdout] 369 |             self.current = (*self.current.as_ptr()).childs[index];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 369 |             self.current = (&(*self.current.as_ptr()).childs)[index];
[INFO] [stdout]     |                            ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:748:21
[INFO] [stdout]     |
[INFO] [stdout] 748 |         unsafe { &(*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:748:21
[INFO] [stdout]     |
[INFO] [stdout] 748 |         unsafe { &(*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 748 |         unsafe { &(*(&(*self.current.as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                     ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:776:25
[INFO] [stdout]     |
[INFO] [stdout] 776 |         unsafe { &mut (*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                         ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:776:25
[INFO] [stdout]     |
[INFO] [stdout] 776 |         unsafe { &mut (*(*self.current.as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 776 |         unsafe { &mut (*(&(*self.current.as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                         ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/cursor.rs:803:28
[INFO] [stdout]     |
[INFO] [stdout] 803 |             self.current = (*self.current.as_ptr()).childs[index];
[INFO] [stdout]     |                            ^^---------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/cursor.rs:803:28
[INFO] [stdout]     |
[INFO] [stdout] 803 |             self.current = (*self.current.as_ptr()).childs[index];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 803 |             self.current = (&(*self.current.as_ptr()).childs)[index];
[INFO] [stdout]     |                            ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/tree.rs:299:21
[INFO] [stdout]     |
[INFO] [stdout] 299 |         unsafe { &(*(*self.current.unwrap().as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^------------------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/tree.rs:299:21
[INFO] [stdout]     |
[INFO] [stdout] 299 |         unsafe { &(*(*self.current.unwrap().as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 299 |         unsafe { &(*(&(*self.current.unwrap().as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                     ++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/tree.rs:327:25
[INFO] [stdout]     |
[INFO] [stdout] 327 |         unsafe { &mut (*(*self.current.unwrap().as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                         ^^------------------------------^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/tree.rs:327:25
[INFO] [stdout]     |
[INFO] [stdout] 327 |         unsafe { &mut (*(*self.current.unwrap().as_ptr()).childs[index].as_ptr()).elem }
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 327 |         unsafe { &mut (*(&(*self.current.unwrap().as_ptr()).childs)[index].as_ptr()).elem }
[INFO] [stdout]     |                         ++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/tree.rs:775:36
[INFO] [stdout]     |
[INFO] [stdout] 775 |             let item = unsafe { &(*(*self.current.as_ptr()).childs[self.i].as_ptr()).elem };
[INFO] [stdout]     |                                    ^^---------------------^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/tree.rs:775:36
[INFO] [stdout]     |
[INFO] [stdout] 775 |             let item = unsafe { &(*(*self.current.as_ptr()).childs[self.i].as_ptr()).elem };
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 775 |             let item = unsafe { &(*(&(*self.current.as_ptr()).childs)[self.i].as_ptr()).elem };
[INFO] [stdout]     |                                    ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/tree.rs:795:40
[INFO] [stdout]     |
[INFO] [stdout] 795 |             let item = unsafe { &mut (*(*self.current.as_ptr()).childs[self.i].as_ptr()).elem };
[INFO] [stdout]     |                                        ^^---------------------^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this raw pointer has type `*mut Node<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<NonNull<Node<T>>>`
[INFO] [stdout]    --> src/tree.rs:795:40
[INFO] [stdout]     |
[INFO] [stdout] 795 |             let item = unsafe { &mut (*(*self.current.as_ptr()).childs[self.i].as_ptr()).elem };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 795 |             let item = unsafe { &mut (*(&(*self.current.as_ptr()).childs)[self.i].as_ptr()).elem };
[INFO] [stdout]     |                                        ++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libtree` (lib) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "a4e70fd5896a0250ef82e2d5cc7c7ea5afe038bd9bba29a1db0d490997f4d4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e70fd5896a0250ef82e2d5cc7c7ea5afe038bd9bba29a1db0d490997f4d4fa", kill_on_drop: false }`
[INFO] [stdout] a4e70fd5896a0250ef82e2d5cc7c7ea5afe038bd9bba29a1db0d490997f4d4fa