[INFO] fetching crate wfbuf 0.1.1... [INFO] testing wfbuf-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate wfbuf 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate wfbuf 0.1.1 [INFO] finished tweaking crates.io crate wfbuf 0.1.1 [INFO] tweaked toml for crates.io crate wfbuf 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate wfbuf 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e8b0662f3fa19d879fa3e1faf55108674b606f9e8af31d5902801fe36ef2327 [INFO] running `Command { std: "docker" "start" "-a" "0e8b0662f3fa19d879fa3e1faf55108674b606f9e8af31d5902801fe36ef2327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e8b0662f3fa19d879fa3e1faf55108674b606f9e8af31d5902801fe36ef2327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e8b0662f3fa19d879fa3e1faf55108674b606f9e8af31d5902801fe36ef2327", kill_on_drop: false }` [INFO] [stdout] 0e8b0662f3fa19d879fa3e1faf55108674b606f9e8af31d5902801fe36ef2327 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 346b9c92c69bf75207bdd924e03bf6b1aa977afdb4d5f2f0c96aa401fa61b817 [INFO] running `Command { std: "docker" "start" "-a" "346b9c92c69bf75207bdd924e03bf6b1aa977afdb4d5f2f0c96aa401fa61b817", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling mmap v0.1.1 [INFO] [stderr] Compiling wfbuf v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: expected expression, found keyword `in` [INFO] [stdout] --> src/lib.rs:89:3 [INFO] [stdout] | [INFO] [stdout] 89 | in MMSHARED { WfBuf::::new() } [INFO] [stdout] | ^^ expected expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved imports `std::ops::Place`, `std::ops::InPlace`, `std::ops::Placer` [INFO] [stdout] --> src/lib.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::{Place, InPlace, Placer}; [INFO] [stdout] | ^^^^^ ^^^^^^^ ^^^^^^ no `Placer` in `ops` [INFO] [stdout] | | | [INFO] [stdout] | | no `InPlace` in `ops` [INFO] [stdout] | no `Place` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `ptr_internals`: use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ptr::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `ptr_internals`: use `NonNull` instead and consider `PhantomData` (if you also use `#[may_dangle]`), `Send`, and/or `Sync` [INFO] [stdout] --> src/lib.rs:78:7 [INFO] [stdout] | [INFO] [stdout] 78 | ptr: Unique [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(ptr_internals)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `placement_in_syntax` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(placement_in_syntax, placement_new_protocol, unique)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `placement_new_protocol` [INFO] [stdout] --> src/lib.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(placement_in_syntax, placement_new_protocol, unique)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `unique` [INFO] [stdout] --> src/lib.rs:1:57 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(placement_in_syntax, placement_new_protocol, unique)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0223]: ambiguous associated type [INFO] [stdout] --> src/lib.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | fn make_place(self) -> Self::Place { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if there were a trait named `Example` with associated type `Place` implemented for `MMSharedSingleton`, you could use the fully-qualified path [INFO] [stdout] | [INFO] [stdout] 111 - fn make_place(self) -> Self::Place { [INFO] [stdout] 111 + fn make_place(self) -> ::Place { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0223]: ambiguous associated type [INFO] [stdout] --> src/lib.rs:133:30 [INFO] [stdout] | [INFO] [stdout] 133 | unsafe fn finalize(self) -> Self::Owner { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if there were a trait named `Example` with associated type `Owner` implemented for `WfBufPlace`, you could use the fully-qualified path [INFO] [stdout] | [INFO] [stdout] 133 - unsafe fn finalize(self) -> Self::Owner { [INFO] [stdout] 133 + unsafe fn finalize(self) -> as Example>::Owner { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0223, E0432, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0223`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wfbuf` (lib) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "346b9c92c69bf75207bdd924e03bf6b1aa977afdb4d5f2f0c96aa401fa61b817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "346b9c92c69bf75207bdd924e03bf6b1aa977afdb4d5f2f0c96aa401fa61b817", kill_on_drop: false }` [INFO] [stdout] 346b9c92c69bf75207bdd924e03bf6b1aa977afdb4d5f2f0c96aa401fa61b817