[INFO] fetching crate projecture 0.0.4...
[INFO] checking projecture-0.0.4 against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] extracting crate projecture 0.0.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate projecture 0.0.4
[INFO] finished tweaking crates.io crate projecture 0.0.4
[INFO] tweaked toml for crates.io crate projecture 0.0.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate projecture 0.0.4 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding atomic v0.5.3 (available: v0.6.1)
[INFO] [stderr]       Adding macro_rules_attribute v0.1.3 (available: v0.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.27
[INFO] [stderr]   Downloaded backtrace v0.3.76
[INFO] [stderr]   Downloaded addr2line v0.25.1
[INFO] [stderr]   Downloaded object v0.37.3
[INFO] [stderr]   Downloaded gimli v0.32.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc34929b38e923aa970c554a54304e8a5ccbdb9bda36b596e00a1999c665ce55
[INFO] running `Command { std: "docker" "start" "-a" "dc34929b38e923aa970c554a54304e8a5ccbdb9bda36b596e00a1999c665ce55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc34929b38e923aa970c554a54304e8a5ccbdb9bda36b596e00a1999c665ce55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc34929b38e923aa970c554a54304e8a5ccbdb9bda36b596e00a1999c665ce55", kill_on_drop: false }`
[INFO] [stdout] dc34929b38e923aa970c554a54304e8a5ccbdb9bda36b596e00a1999c665ce55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee026affdae728af68f2df335822b5cbff3f35307c8760f3bae44b8c99a07416
[INFO] running `Command { std: "docker" "start" "-a" "ee026affdae728af68f2df335822b5cbff3f35307c8760f3bae44b8c99a07416", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking projecture v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UnsafeCell`
[INFO] [stdout]   --> src/lib.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use core::cell::{Cell, UnsafeCell};
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `null_mut`
[INFO] [stdout]   --> src/lib.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 | use core::ptr::{drop_in_place, null_mut, NonNull};
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `impl_pin`
[INFO] [stdout]   --> src/pin.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! impl_pin {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DropLeftovers` and `project`
[INFO] [stdout]  --> src/generic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     project, CustomWrapper, DropLeftovers, Marker, Owned, OwningMarker, Projectable,
[INFO] [stdout]   |     ^^^^^^^                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `align_of` and `size_of`
[INFO] [stdout]  --> src/generic.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::mem::{align_of, size_of, transmute_copy, ManuallyDrop};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/generic.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ops::{Deref, DerefMut};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/generic.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ops::{Deref, DerefMut};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/generic.rs:197:76
[INFO] [stdout]     |
[INFO] [stdout] 197 |     unsafe fn drop_leftovers(_self: ManuallyDrop<GenericPointer<X, Self>>, idx: Idx) {}
[INFO] [stdout]     |                                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/generic.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         idx: DerefOperation,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/generic.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         idx: DerefOperation,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:418:19
[INFO] [stdout]     |
[INFO] [stdout] 418 |         let ptr = unsafe { &**self.0 } as *const _ as _;
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/lib.rs:1256:32
[INFO] [stdout]      |
[INFO] [stdout] 1256 | pub struct OwningMarker<'a, T>(&'a mut ManuallyDrop<T>);
[INFO] [stdout]      |            ------------        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |            |
[INFO] [stdout]      |            field in this struct
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/pin.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct PinnedMarker<'a>(&'a (), PhantomPinned);
[INFO] [stdout]     |            ------------     ^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 183 - pub struct PinnedMarker<'a>(&'a (), PhantomPinned);
[INFO] [stdout] 183 + pub struct PinnedMarker<'a>((), PhantomPinned);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stdout] warning: unused import: `UnsafeCell`
[INFO] [stdout]   --> src/lib.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use core::cell::{Cell, UnsafeCell};
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `null_mut`
[INFO] [stdout]   --> src/lib.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 | use core::ptr::{drop_in_place, null_mut, NonNull};
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `impl_pin`
[INFO] [stdout]   --> src/pin.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! impl_pin {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DropLeftovers` and `project`
[INFO] [stdout]  --> src/generic.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     project, CustomWrapper, DropLeftovers, Marker, Owned, OwningMarker, Projectable,
[INFO] [stdout]   |     ^^^^^^^                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `align_of` and `size_of`
[INFO] [stdout]  --> src/generic.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::mem::{align_of, size_of, transmute_copy, ManuallyDrop};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/generic.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::ops::{Deref, DerefMut};
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OptionMarker`
[INFO] [stdout]  --> tests/tests.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use projecture::{pin_projectable, project, OptionMarker};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> tests/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]   --> tests/tests.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |         #[forbid(unaligned_references)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/generic.rs:197:76
[INFO] [stdout]     |
[INFO] [stdout] 197 |     unsafe fn drop_leftovers(_self: ManuallyDrop<GenericPointer<X, Self>>, idx: Idx) {}
[INFO] [stdout]     |                                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/generic.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         idx: DerefOperation,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/generic.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         idx: DerefOperation,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e1`
[INFO] [stdout]   --> tests/tests.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let e1: &mut usize = e1;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_e1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e2`
[INFO] [stdout]   --> tests/tests.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let e2: &mut usize = e2;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_e2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> tests/tests.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let d: Pin<&mut PhantomPinned> = d;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/tests.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let x: &mut usize = project!((&mut *arg) -> a -> e);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/tests.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let x: Pin<&mut PhantomPinned> = project!((&mut *arg) -> c -> d);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> tests/tests.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let x = project!((&*arg) -> b -> e);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:418:19
[INFO] [stdout]     |
[INFO] [stdout] 418 |         let ptr = unsafe { &**self.0 } as *const _ as _;
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/tests.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut arg = Some(Foo::default());
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> tests/tests.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let x: Option<Box<usize>> = x;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `d` is never read
[INFO] [stdout]   --> tests/tests.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Foo {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |         d: PhantomPinned,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `y` and `p` are never read
[INFO] [stdout]   --> tests/tests.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     struct Foo {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 61 |         x: Box<usize>,
[INFO] [stdout] 62 |         y: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 63 |         p: PhantomPinned,
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/lib.rs:1256:32
[INFO] [stdout]      |
[INFO] [stdout] 1256 | pub struct OwningMarker<'a, T>(&'a mut ManuallyDrop<T>);
[INFO] [stdout]      |            ------------        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |            |
[INFO] [stdout]      |            field in this struct
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/pin.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct PinnedMarker<'a>(&'a (), PhantomPinned);
[INFO] [stdout]     |            ------------     ^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 183 - pub struct PinnedMarker<'a>(&'a (), PhantomPinned);
[INFO] [stdout] 183 + pub struct PinnedMarker<'a>((), PhantomPinned);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "ee026affdae728af68f2df335822b5cbff3f35307c8760f3bae44b8c99a07416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee026affdae728af68f2df335822b5cbff3f35307c8760f3bae44b8c99a07416", kill_on_drop: false }`
[INFO] [stdout] ee026affdae728af68f2df335822b5cbff3f35307c8760f3bae44b8c99a07416
