[INFO] fetching crate nested-ref 0.1.0...
[INFO] checking nested-ref-0.1.0 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate nested-ref 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate nested-ref 0.1.0
[INFO] finished tweaking crates.io crate nested-ref 0.1.0
[INFO] tweaked toml for crates.io crate nested-ref 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nested-ref 0.1.0 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.9 (available: v1.3.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1e9e64b77901ec5573072bcfb9713abbe038e656cce61236cc4d2068c750f05
[INFO] running `Command { std: "docker" "start" "-a" "e1e9e64b77901ec5573072bcfb9713abbe038e656cce61236cc4d2068c750f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e9e64b77901ec5573072bcfb9713abbe038e656cce61236cc4d2068c750f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e9e64b77901ec5573072bcfb9713abbe038e656cce61236cc4d2068c750f05", kill_on_drop: false }`
[INFO] [stdout] e1e9e64b77901ec5573072bcfb9713abbe038e656cce61236cc4d2068c750f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6cb16368519abc91a45608b83ab4102c27bad0ef5393b1c9a21d8040cd5f356
[INFO] running `Command { std: "docker" "start" "-a" "b6cb16368519abc91a45608b83ab4102c27bad0ef5393b1c9a21d8040cd5f356", kill_on_drop: false }`
[INFO] [stderr]     Checking nested-ref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/clone_arr.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/clone_arr.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn clone_arr<'a, T, N>(orig: &GenericArray<Ref<'a, T>, N>) -> GenericArray<Ref<'a, T>, N>
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:14:67
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn clone_arr<'a, T, N>(orig: &GenericArray<Ref<'a, T>, N>) -> GenericArray<Ref<'a, T>, N>
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     N: ArrayLength<Ref<'a, T>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut arr = MaybeUninit::<GenericArray<Ref<'a, T>, N>>::uninit();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub(crate) outer: GenericArray<Ref<'a, ()>, N>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/exclusive.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/exclusive.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `generic_array::transmute`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     arr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     arr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::sequence::Lengthen`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     sequence::Lengthen,
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ArrayLength, GenericArray,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ArrayLength, GenericArray,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     outer: GenericArray<Ref<'a, ()>, N>,
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     N: ArrayLength<Ref<'a, ()>> + Add<B1>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |     <N as Add<B1>>::Output: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     GenericArray<Ref<'a, ()>, N>:
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::sequence::Lengthen`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:166:40
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `generic_array::transmute`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:238:37
[INFO] [stdout]     |
[INFO] [stdout] 238 |     unsafe fn nest(self) -> (&'a T, GenericArray<Ref<'a, ()>, Add1<N>>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `generic_array::sequence::Lengthen::Longer`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/clone_arr.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/clone_arr.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn clone_arr<'a, T, N>(orig: &GenericArray<Ref<'a, T>, N>) -> GenericArray<Ref<'a, T>, N>
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:14:67
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn clone_arr<'a, T, N>(orig: &GenericArray<Ref<'a, T>, N>) -> GenericArray<Ref<'a, T>, N>
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     N: ArrayLength<Ref<'a, T>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/clone_arr.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut arr = MaybeUninit::<GenericArray<Ref<'a, T>, N>>::uninit();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | use generic_array::{arr, typenum::U0, ArrayLength, GenericArray};
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub(crate) outer: GenericArray<Ref<'a, ()>, N>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/exclusive.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/exclusive.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `generic_array::transmute`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/exclusive.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     arr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `generic_array::arr`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     arr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::sequence::Lengthen`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     sequence::Lengthen,
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ArrayLength, GenericArray,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ArrayLength, GenericArray,
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     outer: GenericArray<Ref<'a, ()>, N>,
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     N: ArrayLength<Ref<'a, ()>> + Add<B1>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |     <N as Add<B1>>::Output: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     GenericArray<Ref<'a, ()>, N>:
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::sequence::Lengthen`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:166:40
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 |     N: ArrayLength<Ref<'a, ()>>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `generic_array::transmute`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>, <N as Add<B1>>::Output: Sub<B1>
[INFO] [stdout]     |                                                                             +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/shared.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let outer = arr![Ref<'a, ()>;];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:238:37
[INFO] [stdout]     |
[INFO] [stdout] 238 |     unsafe fn nest(self) -> (&'a T, GenericArray<Ref<'a, ()>, Add1<N>>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated type `generic_array::sequence::Lengthen::Longer`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 188 |         F: FnOnce(&T) -> Ref<'_, U>, <N as Add<B1>>::Output: Sub<B1>
[INFO] [stdout]     |                                      +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 219 |         F: FnOnce(&T) -> RefMut<'_, U>, <N as Add<B1>>::Output: Sub<B1>
[INFO] [stdout]     |                                         +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 238 |     unsafe fn nest(self) -> (&'a T, GenericArray<Ref<'a, ()>, Add1<N>>) where <N as Add<B1>>::Output: Sub<B1> {
[INFO] [stdout]     |                                                                         +++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>, <N as Add<B1>>::Output: Sub<B1>
[INFO] [stdout]     |                                                                             +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 188 |         F: FnOnce(&T) -> Ref<'_, U>, <N as Add<B1>>::Output: Sub<B1>
[INFO] [stdout]     |                                      +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 219 |         F: FnOnce(&T) -> RefMut<'_, U>, <N as Add<B1>>::Output: Sub<B1>
[INFO] [stdout]     |                                         +++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `B1` from `<N as Add<B1>>::Output`
[INFO] [stdout]    --> src/shared.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Lengthen<Ref<'a, ()>, Longer = GenericArray<Ref<'a, ()>, Add1<N>>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `<N as Add<B1>>::Output - B1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sub<B1>` is not implemented for `<N as Add<B1>>::Output`
[INFO] [stdout]     = note: required for `GenericArray<Ref<'a, ()>, <N as Add<B1>>::Output>` to implement `Shorten<Ref<'a, ()>>`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 238 |     unsafe fn nest(self) -> (&'a T, GenericArray<Ref<'a, ()>, Add1<N>>) where <N as Add<B1>>::Output: Sub<B1> {
[INFO] [stdout]     |                                                                         +++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `generic_array::sequence::Lengthen::append`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:246:32
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let outer = self.outer.append(new);
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `generic_array::sequence::Lengthen::append`: please upgrade to generic-array 1.x
[INFO] [stdout]    --> src/shared.rs:246:32
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let outer = self.outer.append(new);
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nested-ref` (lib) due to 4 previous errors; 36 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nested-ref` (lib test) due to 4 previous errors; 36 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b6cb16368519abc91a45608b83ab4102c27bad0ef5393b1c9a21d8040cd5f356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6cb16368519abc91a45608b83ab4102c27bad0ef5393b1c9a21d8040cd5f356", kill_on_drop: false }`
[INFO] [stdout] b6cb16368519abc91a45608b83ab4102c27bad0ef5393b1c9a21d8040cd5f356