[INFO] fetching crate forkjoin 2.3.0...
[INFO] checking forkjoin-2.3.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate forkjoin 2.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate forkjoin 2.3.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forkjoin 2.3.0
[INFO] finished tweaking crates.io crate forkjoin 2.3.0
[INFO] tweaked toml for crates.io crate forkjoin 2.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded deque v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de66561da623cbd6c6fd543c79037676d6d1d325fff73253ee34f6363ea8c18e
[INFO] running `Command { std: "docker" "start" "-a" "de66561da623cbd6c6fd543c79037676d6d1d325fff73253ee34f6363ea8c18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de66561da623cbd6c6fd543c79037676d6d1d325fff73253ee34f6363ea8c18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de66561da623cbd6c6fd543c79037676d6d1d325fff73253ee34f6363ea8c18e", kill_on_drop: false }`
[INFO] [stdout] de66561da623cbd6c6fd543c79037676d6d1d325fff73253ee34f6363ea8c18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e8b79427ee75d02895f60ea000ee56a388f349adc1eec22e6d95e5c38035b90
[INFO] running `Command { std: "docker" "start" "-a" "6e8b79427ee75d02895f60ea000ee56a388f349adc1eec22e6d95e5c38035b90", kill_on_drop: false }`
[INFO] [stderr]     Checking deque v0.2.3
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking forkjoin v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/workerthread.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::funcs::posix88::unistd::usleep;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/workerthread.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::funcs::posix88::unistd::usleep;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/workerthread.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn spawn(mut self) -> thread::JoinGuard<'a, ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     joinguard: thread::JoinGuard<'thread, ()>,
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:54:79
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn spawn(nthreads: usize) -> (Sender<SupervisorMsg<Arg,Ret>>, thread::JoinGuard<'t, ()>) {
[INFO] [stdout]    |                                                                               ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/poolsupervisor.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn start_thread(self) -> thread::JoinGuard<'t, ()> {
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/lib.rs:449:24
[INFO] [stdout]     |
[INFO] [stdout] 449 |     joinguard: thread::JoinGuard<'a, ()>,
[INFO] [stdout]     |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/workerthread.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn spawn(mut self) -> thread::JoinGuard<'a, ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     joinguard: thread::JoinGuard<'thread, ()>,
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:54:79
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn spawn(nthreads: usize) -> (Sender<SupervisorMsg<Arg,Ret>>, thread::JoinGuard<'t, ()>) {
[INFO] [stdout]    |                                                                               ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/poolsupervisor.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn start_thread(self) -> thread::JoinGuard<'t, ()> {
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/lib.rs:449:24
[INFO] [stdout]     |
[INFO] [stdout] 449 |     joinguard: thread::JoinGuard<'a, ()>,
[INFO] [stdout]     |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:231:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | 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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     Join(Unique<Ret>, Arc<JoinBarrier<Ret>>),
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:231:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | 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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/workerthread.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ptr::{Unique,write};
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:290:55
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn create_result_vec<Ret>(n: usize) -> (Vec<Ret>, Vec<Unique<Ret>>) {
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     Join(Unique<Ret>, Arc<JoinBarrier<Ret>>),
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let mut rets_ptr: Vec<Unique<Ret>> = Vec::with_capacity(n);
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/workerthread.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ptr::{Unique,write};
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:290:55
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn create_result_vec<Ret>(n: usize) -> (Vec<Ret>, Vec<Unique<Ret>>) {
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let mut rets_ptr: Vec<Unique<Ret>> = Vec::with_capacity(n);
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]    --> src/lib.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(unique)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `scoped`
[INFO] [stdout]    --> src/lib.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #![feature(scoped)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]    --> src/lib.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(unique)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `scoped`
[INFO] [stdout]    --> src/lib.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #![feature(scoped)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'thread` is never used
[INFO] [stdout]   --> src/poolsupervisor.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct PoolSupervisorThread<'thread, Arg: Send, Ret: Send + Sync> {
[INFO] [stdout]    |                                 ^^^^^^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'thread`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'thread` is never used
[INFO] [stdout]   --> src/poolsupervisor.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct PoolSupervisorThread<'thread, Arg: Send, Ret: Send + Sync> {
[INFO] [stdout]    |                                 ^^^^^^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'thread`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]   --> src/workerthread.rs:85:33
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]    |                         --------^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]   --> src/workerthread.rs:85:33
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]    |                         --------^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Unique<Ret>` cannot be dereferenced
[INFO] [stdout]    --> src/workerthread.rs:249:32
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 unsafe { write(**ptr, value); } // Writes without dropping since only null in place
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Unique<Ret>` cannot be dereferenced
[INFO] [stdout]    --> src/workerthread.rs:249:32
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 unsafe { write(**ptr, value); } // Writes without dropping since only null in place
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[INFO] [stdout]     |                      ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Unique<Ret>`, found `Option<Unique<Ret>>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<_>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/vec/mod.rs:1967:12
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<Ret>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)).expect("REASON"));
[INFO] [stdout]     |                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[INFO] [stdout]     |                      ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Unique<Ret>`, found `Option<Unique<Ret>>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<_>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/vec/mod.rs:1967:12
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<Ret>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)).expect("REASON"));
[INFO] [stdout]     |                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]    --> src/poolsupervisor.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]     |                         --------^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]    --> src/poolsupervisor.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]     |                         --------^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0392, E0412, E0433, E0599, E0614, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0392, E0412, E0433, E0599, E0614, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forkjoin` (lib) due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `forkjoin` (lib test) due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "6e8b79427ee75d02895f60ea000ee56a388f349adc1eec22e6d95e5c38035b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8b79427ee75d02895f60ea000ee56a388f349adc1eec22e6d95e5c38035b90", kill_on_drop: false }`
[INFO] [stdout] 6e8b79427ee75d02895f60ea000ee56a388f349adc1eec22e6d95e5c38035b90
[INFO] checking forkjoin-2.3.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate forkjoin 2.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate forkjoin 2.3.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forkjoin 2.3.0
[INFO] finished tweaking crates.io crate forkjoin 2.3.0
[INFO] tweaked toml for crates.io crate forkjoin 2.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76e1b4d91ed8ccfbbf398884e1b81197c716d19e3166a42928c9fd5d26b0b89a
[INFO] running `Command { std: "docker" "start" "-a" "76e1b4d91ed8ccfbbf398884e1b81197c716d19e3166a42928c9fd5d26b0b89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e1b4d91ed8ccfbbf398884e1b81197c716d19e3166a42928c9fd5d26b0b89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e1b4d91ed8ccfbbf398884e1b81197c716d19e3166a42928c9fd5d26b0b89a", kill_on_drop: false }`
[INFO] [stdout] 76e1b4d91ed8ccfbbf398884e1b81197c716d19e3166a42928c9fd5d26b0b89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a935428739e5d702ec4771e31826c3c6b4556d49f303061f2197f1bd22117f
[INFO] running `Command { std: "docker" "start" "-a" "b7a935428739e5d702ec4771e31826c3c6b4556d49f303061f2197f1bd22117f", kill_on_drop: false }`
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking deque v0.2.3
[INFO] [stderr]     Checking forkjoin v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/workerthread.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::funcs::posix88::unistd::usleep;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]   --> src/workerthread.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libc::funcs::posix88::unistd::usleep;
[INFO] [stdout]    |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/workerthread.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn spawn(mut self) -> thread::JoinGuard<'a, ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/workerthread.rs:81:39
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn spawn(mut self) -> thread::JoinGuard<'a, ()> {
[INFO] [stdout]    |                                       ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     joinguard: thread::JoinGuard<'thread, ()>,
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:54:79
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn spawn(nthreads: usize) -> (Sender<SupervisorMsg<Arg,Ret>>, thread::JoinGuard<'t, ()>) {
[INFO] [stdout]    |                                                                               ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     joinguard: thread::JoinGuard<'thread, ()>,
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]   --> src/poolsupervisor.rs:54:79
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn spawn(nthreads: usize) -> (Sender<SupervisorMsg<Arg,Ret>>, thread::JoinGuard<'t, ()>) {
[INFO] [stdout]    |                                                                               ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/poolsupervisor.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn start_thread(self) -> thread::JoinGuard<'t, ()> {
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/poolsupervisor.rs:122:38
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn start_thread(self) -> thread::JoinGuard<'t, ()> {
[INFO] [stdout]     |                                      ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/lib.rs:449:24
[INFO] [stdout]     |
[INFO] [stdout] 449 |     joinguard: thread::JoinGuard<'a, ()>,
[INFO] [stdout]     |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `JoinGuard` in module `thread`
[INFO] [stdout]    --> src/lib.rs:449:24
[INFO] [stdout]     |
[INFO] [stdout] 449 |     joinguard: thread::JoinGuard<'a, ()>,
[INFO] [stdout]     |                        ^^^^^^^^^ not found in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:231:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | 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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     Join(Unique<Ret>, Arc<JoinBarrier<Ret>>),
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/workerthread.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ptr::{Unique,write};
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:231:5
[INFO] [stdout]     |
[INFO] [stdout] 231 | 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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:290:55
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn create_result_vec<Ret>(n: usize) -> (Vec<Ret>, Vec<Unique<Ret>>) {
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/lib.rs:348:10
[INFO] [stdout]     |
[INFO] [stdout] 348 |     Join(Unique<Ret>, Arc<JoinBarrier<Ret>>),
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let mut rets_ptr: Vec<Unique<Ret>> = Vec::with_capacity(n);
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/workerthread.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::ptr::{Unique,write};
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:290:55
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn create_result_vec<Ret>(n: usize) -> (Vec<Ret>, Vec<Unique<Ret>>) {
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:292:27
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let mut rets_ptr: Vec<Unique<Ret>> = Vec::with_capacity(n);
[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 2024-03-14; 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<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]    --> src/lib.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(unique)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `scoped`
[INFO] [stdout]    --> src/lib.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #![feature(scoped)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]    --> src/lib.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![feature(unique)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `scoped`
[INFO] [stdout]    --> src/lib.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | #![feature(scoped)]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'thread` is never used
[INFO] [stdout]   --> src/poolsupervisor.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct PoolSupervisorThread<'thread, Arg: Send, Ret: Send + Sync> {
[INFO] [stdout]    |                                 ^^^^^^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'thread`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: lifetime parameter `'thread` is never used
[INFO] [stdout]   --> src/poolsupervisor.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct PoolSupervisorThread<'thread, Arg: Send, Ret: Send + Sync> {
[INFO] [stdout]    |                                 ^^^^^^^ unused lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `'thread`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]   --> src/workerthread.rs:85:33
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]    |                         --------^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]   --> src/workerthread.rs:85:33
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]    |                         --------^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Unique<Ret>` cannot be dereferenced
[INFO] [stdout]    --> src/workerthread.rs:249:32
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 unsafe { write(**ptr, value); } // Writes without dropping since only null in place
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `Unique<Ret>` cannot be dereferenced
[INFO] [stdout]    --> src/workerthread.rs:249:32
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 unsafe { write(**ptr, value); } // Writes without dropping since only null in place
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[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 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[INFO] [stdout]     |                      ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Unique<Ret>`, found `Option<Unique<Ret>>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<_>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/alloc/src/vec/mod.rs:1967:12
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<Ret>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)).expect("REASON"));
[INFO] [stdout]     |                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/workerthread.rs:297:27
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)));
[INFO] [stdout]     |                      ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Unique<Ret>`, found `Option<Unique<Ret>>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<_>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/alloc/src/vec/mod.rs:1967:12
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<Ret>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 297 |             rets_ptr.push(Unique::new(ptr_0.offset(i)).expect("REASON"));
[INFO] [stdout]     |                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]    --> src/poolsupervisor.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]     |                         --------^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `scoped` found for struct `Builder` in the current scope
[INFO] [stdout]    --> src/poolsupervisor.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let joinguard = builder.scoped(move|| {
[INFO] [stdout]     |                         --------^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `spawn_scoped` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/thread/scoped.rs:246:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0392, E0412, E0433, E0599, E0614, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0392, E0412, E0433, E0599, E0614, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forkjoin` (lib) due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `forkjoin` (lib test) due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "b7a935428739e5d702ec4771e31826c3c6b4556d49f303061f2197f1bd22117f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a935428739e5d702ec4771e31826c3c6b4556d49f303061f2197f1bd22117f", kill_on_drop: false }`
[INFO] [stdout] b7a935428739e5d702ec4771e31826c3c6b4556d49f303061f2197f1bd22117f
