[INFO] fetching crate projecture 0.0.4...
[INFO] checking projecture-0.0.4 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate projecture 0.0.4 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate projecture 0.0.4 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf49664c79cfd232822f6b1d286017f5bc7ee9ba02b5d807c9941a5bd30b83f6
[INFO] running `Command { std: "docker" "start" "-a" "bf49664c79cfd232822f6b1d286017f5bc7ee9ba02b5d807c9941a5bd30b83f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf49664c79cfd232822f6b1d286017f5bc7ee9ba02b5d807c9941a5bd30b83f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf49664c79cfd232822f6b1d286017f5bc7ee9ba02b5d807c9941a5bd30b83f6", kill_on_drop: false }`
[INFO] [stdout] bf49664c79cfd232822f6b1d286017f5bc7ee9ba02b5d807c9941a5bd30b83f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c378e974287545b2b8937037b37f1d19415b74e1d91e5cf51ccc45f7e9034026
[INFO] running `Command { std: "docker" "start" "-a" "c378e974287545b2b8937037b37f1d19415b74e1d91e5cf51ccc45f7e9034026", kill_on_drop: false }`
[INFO] [stderr]     Checking projecture v0.0.4 (/opt/rustwide/workdir)
[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 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] error: struct `PinnedMarker` is never constructed
[INFO] [stdout]    --> src/pin.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct PinnedMarker<'a>(&'a (), PhantomPinned);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(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] [stdout] error: struct `DropLeftoversGeneric` is never constructed
[INFO] [stdout]    --> src/generic.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub struct DropLeftoversGeneric<'a, T, M>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `projecture` (lib) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c378e974287545b2b8937037b37f1d19415b74e1d91e5cf51ccc45f7e9034026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c378e974287545b2b8937037b37f1d19415b74e1d91e5cf51ccc45f7e9034026", kill_on_drop: false }`
[INFO] [stdout] c378e974287545b2b8937037b37f1d19415b74e1d91e5cf51ccc45f7e9034026
