[INFO] fetching crate queueue 0.1.1-beta.3... [INFO] testing queueue-0.1.1-beta.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate queueue 0.1.1-beta.3 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate queueue 0.1.1-beta.3 [INFO] finished tweaking crates.io crate queueue 0.1.1-beta.3 [INFO] tweaked toml for crates.io crate queueue 0.1.1-beta.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate queueue 0.1.1-beta.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 82 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] [stderr] Adding rand_distr v0.2.2 (available: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e10d374958a280720e342542daba63d9cb0fe4606001c2cf288beb3307c8b377 [INFO] running `Command { std: "docker" "start" "-a" "e10d374958a280720e342542daba63d9cb0fe4606001c2cf288beb3307c8b377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e10d374958a280720e342542daba63d9cb0fe4606001c2cf288beb3307c8b377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e10d374958a280720e342542daba63d9cb0fe4606001c2cf288beb3307c8b377", kill_on_drop: false }` [INFO] [stdout] e10d374958a280720e342542daba63d9cb0fe4606001c2cf288beb3307c8b377 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9d139c1b22234a2ef4728eca605643755e77b9e013c3482b6fd2dff8321b591 [INFO] running `Command { std: "docker" "start" "-a" "e9d139c1b22234a2ef4728eca605643755e77b9e013c3482b6fd2dff8321b591", kill_on_drop: false }` [INFO] [stderr] Compiling queueue v0.1.1-beta.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.56.0; see for more information [INFO] [stdout] = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:78 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:88 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.51.0; see for more information [INFO] [stdout] = note: removed due to causing promotable bugs [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/queue/nonblocking.rs:227:23 [INFO] [stdout] | [INFO] [stdout] 227 | let mut tot = box [0u8; LIMIT]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 227 - let mut tot = box [0u8; LIMIT]; [INFO] [stdout] 227 + let mut tot = Box::new([0u8; LIMIT]); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `box_syntax` has been removed [INFO] [stdout] --> src/queue/nonblocking.rs:269:37 [INFO] [stdout] | [INFO] [stdout] 269 | let counter = Box::leak(box [0u8; LIMIT]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `Box::new()` instead [INFO] [stdout] | [INFO] [stdout] 269 - let counter = Box::leak(box [0u8; LIMIT]); [INFO] [stdout] 269 + let counter = Box::leak(Box::new([0u8; LIMIT])); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: generic parameters may not be used in const operations [INFO] [stdout] --> src/timing_wheel/hierarchical.rs:444:68 [INFO] [stdout] | [INFO] [stdout] 444 | type WheelLevel = Level; [INFO] [stdout] | ^^^^^^ cannot perform const operation using `CUTOFF` [INFO] [stdout] | [INFO] [stdout] = help: const parameters may only be used as standalone arguments here, i.e. `CUTOFF` [INFO] [stdout] = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/queue/nonblocking.rs:35:25 [INFO] [stdout] | [INFO] [stdout] 35 | slots: [Slot; {N}], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 35 - slots: [Slot; {N}], [INFO] [stdout] 35 + slots: [Slot; N], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/timing_wheel/hierarchical.rs:222:31 [INFO] [stdout] | [INFO] [stdout] 222 | storage: [MaybeUninit; {N}], [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 222 - storage: [MaybeUninit; {N}], [INFO] [stdout] 222 + storage: [MaybeUninit; N], [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `maybe_uninit_uninit_array` [INFO] [stdout] --> src/lib.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `internal_uninit_const` [INFO] [stdout] --> src/lib.rs:1:55 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/queue/nonblocking.rs:54:33 [INFO] [stdout] | [INFO] [stdout] 54 | if self.push_ticket.compare_and_swap(cur_push, cur_push + 1, Ordering::AcqRel) == cur_push { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/queue/nonblocking.rs:73:32 [INFO] [stdout] | [INFO] [stdout] 73 | if self.pop_ticket.compare_and_swap(cur_pop, cur_pop + 1, Ordering::AcqRel) == cur_pop { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/queue/slot.rs:28:29 [INFO] [stdout] | [INFO] [stdout] 28 | while self.occupied.compare_and_swap(false, true, Ordering::AcqRel) { } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no associated item named `UNINIT` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/timing_wheel/hierarchical.rs:235:36 [INFO] [stdout] | [INFO] [stdout] 235 | storage: [MaybeUninit::UNINIT; {N}], [INFO] [stdout] | ^^^^^^ associated item not found in `MaybeUninit<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `T: core::marker::Copy` is not satisfied [INFO] [stdout] --> src/timing_wheel/hierarchical.rs:235:23 [INFO] [stdout] | [INFO] [stdout] 235 | storage: [MaybeUninit::UNINIT; {N}], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ the trait `core::marker::Copy` is not implemented for `T` [INFO] [stdout] | [INFO] [stdout] = note: required for `MaybeUninit` to implement `core::marker::Copy` [INFO] [stdout] = note: the `Copy` trait is required because this value will be copied for each element of the array [INFO] [stdout] = help: consider using `core::array::from_fn` to initialize the array [INFO] [stdout] = help: see https://doc.rust-lang.org/stable/std/array/fn.from_fn.html for more information [INFO] [stdout] help: consider restricting type parameter `T` with trait `Copy` [INFO] [stdout] | [INFO] [stdout] 232 | impl BoundedSlot { [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `BoundedSlot: core::marker::Copy` is not satisfied [INFO] [stdout] --> src/timing_wheel/hierarchical.rs:298:21 [INFO] [stdout] | [INFO] [stdout] 298 | slots: [BoundedSlot::::new(); {N}], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound [INFO] [stdout] | [INFO] [stdout] help: the trait `core::marker::Copy` is not implemented for `BoundedSlot` [INFO] [stdout] --> src/timing_wheel/hierarchical.rs:221:1 [INFO] [stdout] | [INFO] [stdout] 221 | pub struct BoundedSlot { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: the `Copy` trait is required because this value will be copied for each element of the array [INFO] [stdout] help: create an inline `const` block [INFO] [stdout] | [INFO] [stdout] 298 | slots: [const { BoundedSlot::::new() }; {N}], [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0557, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `queueue` (lib) due to 11 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e9d139c1b22234a2ef4728eca605643755e77b9e013c3482b6fd2dff8321b591", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9d139c1b22234a2ef4728eca605643755e77b9e013c3482b6fd2dff8321b591", kill_on_drop: false }` [INFO] [stdout] e9d139c1b22234a2ef4728eca605643755e77b9e013c3482b6fd2dff8321b591