[INFO] fetching crate interlock 0.0.4...
[INFO] testing interlock-0.0.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate interlock 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate interlock 0.0.4
[INFO] finished tweaking crates.io crate interlock 0.0.4
[INFO] tweaked toml for crates.io crate interlock 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate interlock 0.0.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 107 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.1.0
[INFO] [stderr]   Downloaded cryo v0.3.1
[INFO] [stderr]   Downloaded pin-cell v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dac5ab524372229b024f0a73472f308c5d6844d5741d2c087ebda7668bd6b2dc
[INFO] running `Command { std: "docker" "start" "-a" "dac5ab524372229b024f0a73472f308c5d6844d5741d2c087ebda7668bd6b2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac5ab524372229b024f0a73472f308c5d6844d5741d2c087ebda7668bd6b2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac5ab524372229b024f0a73472f308c5d6844d5741d2c087ebda7668bd6b2dc", kill_on_drop: false }`
[INFO] [stdout] dac5ab524372229b024f0a73472f308c5d6844d5741d2c087ebda7668bd6b2dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d32b45edfd8e6d60b1ca121c3592742dfdbb8ea27fe3d9f723ff32107c0edfc3
[INFO] running `Command { std: "docker" "start" "-a" "d32b45edfd8e6d60b1ca121c3592742dfdbb8ea27fe3d9f723ff32107c0edfc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling pin-cell v0.2.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling interlock v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_methods` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(array_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(once_cell)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_ptr_len` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(slice_ptr_len)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> src/utils/pin.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 | type Holder<T: EarlyDrop> = impl Future<Output = !>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Holder` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/utils/pin.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout]  59 |   type Holder<T: EarlyDrop> = impl Future<Output = !>;
[INFO] [stdout]     |                               ----------------------- the expected future
[INFO] [stdout] ...
[INFO] [stdout] 105 |           fn make_holder<T: EarlyDrop>(p_storage: *mut Option<NonNull<T>>, init: T) -> Holder<T> {
[INFO] [stdout]     |                                                                                        --------- expected `Holder<T>` because of return type
[INFO] [stdout] 106 | /             async move {
[INFO] [stdout] 107 | |                 let inner = init;
[INFO] [stdout] 108 | |                 pin_mut!(inner);
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |             }
[INFO] [stdout]     | |_____________^ expected future, found `async` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected opaque type `Holder<T>`
[INFO] [stdout]              found `async` block `{async block@src/utils/pin.rs:106:13: 106:23}`
[INFO] [stdout] note: this item must have a `#[define_opaque(Holder)]` attribute to be able to define hidden types
[INFO] [stdout]    --> src/utils/pin.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         fn make_holder<T: EarlyDrop>(p_storage: *mut Option<NonNull<T>>, init: T) -> Holder<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interlock` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d32b45edfd8e6d60b1ca121c3592742dfdbb8ea27fe3d9f723ff32107c0edfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32b45edfd8e6d60b1ca121c3592742dfdbb8ea27fe3d9f723ff32107c0edfc3", kill_on_drop: false }`
[INFO] [stdout] d32b45edfd8e6d60b1ca121c3592742dfdbb8ea27fe3d9f723ff32107c0edfc3
