[INFO] fetching crate lockfree-ringbuffer 0.1.3... [INFO] checking lockfree-ringbuffer-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate lockfree-ringbuffer 0.1.3 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate lockfree-ringbuffer 0.1.3 [INFO] finished tweaking crates.io crate lockfree-ringbuffer 0.1.3 [INFO] tweaked toml for crates.io crate lockfree-ringbuffer 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lockfree-ringbuffer 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 14 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bc90e528d3af498c92ca92c5fc928dca8e7e2de01b69d538a7056da782b8e9a [INFO] running `Command { std: "docker" "start" "-a" "4bc90e528d3af498c92ca92c5fc928dca8e7e2de01b69d538a7056da782b8e9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bc90e528d3af498c92ca92c5fc928dca8e7e2de01b69d538a7056da782b8e9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc90e528d3af498c92ca92c5fc928dca8e7e2de01b69d538a7056da782b8e9a", kill_on_drop: false }` [INFO] [stdout] 4bc90e528d3af498c92ca92c5fc928dca8e7e2de01b69d538a7056da782b8e9a [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f272a8d4c57d2bc0da88e17b8d58ca45890255beba047f21ca7afa87cacb5d4 [INFO] running `Command { std: "docker" "start" "-a" "7f272a8d4c57d2bc0da88e17b8d58ca45890255beba047f21ca7afa87cacb5d4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking lockfree-ringbuffer v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicIsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/threadsafe.rs:137:18 [INFO] [stdout] | [INFO] [stdout] 137 | .compare_and_swap(tail.into(), (tail + 1).into(), Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicIsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/threadsafe.rs:198:18 [INFO] [stdout] | [INFO] [stdout] 198 | .compare_and_swap(tail.into(), new_tail.into(), Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Tail` is more private than the item `RingIter::current_tail` [INFO] [stdout] --> src/threadsafe.rs:239:5 [INFO] [stdout] | [INFO] [stdout] 239 | pub(crate) current_tail: Tail, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `RingIter::current_tail` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Tail` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/threadsafe.rs:57:1 [INFO] [stdout] | [INFO] [stdout] 57 | struct Tail { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/threadsafe.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn pop(&mut self) -> RingIter { [INFO] [stdout] | ^^^^^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 12 | pub fn pop(&mut self) -> RingIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/threadsafe.rs:185:16 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn pop(&self) -> RingIter { [INFO] [stdout] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 185 | pub fn pop(&self) -> RingIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicIsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/threadsafe.rs:137:18 [INFO] [stdout] | [INFO] [stdout] 137 | .compare_and_swap(tail.into(), (tail + 1).into(), Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicIsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/threadsafe.rs:198:18 [INFO] [stdout] | [INFO] [stdout] 198 | .compare_and_swap(tail.into(), new_tail.into(), Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/threadsafe.rs:334:17 [INFO] [stdout] | [INFO] [stdout] 334 | for i in 1..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `threadsafe::Tail` is more private than the item `RingIter::current_tail` [INFO] [stdout] --> src/threadsafe.rs:239:5 [INFO] [stdout] | [INFO] [stdout] 239 | pub(crate) current_tail: Tail, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `RingIter::current_tail` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `threadsafe::Tail` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/threadsafe.rs:57:1 [INFO] [stdout] | [INFO] [stdout] 57 | struct Tail { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/threadsafe.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn pop(&mut self) -> RingIter { [INFO] [stdout] | ^^^^^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 12 | pub fn pop(&mut self) -> RingIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/threadsafe.rs:185:16 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn pop(&self) -> RingIter { [INFO] [stdout] | ^^^^^ ----------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 185 | pub fn pop(&self) -> RingIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s [INFO] running `Command { std: "docker" "inspect" "7f272a8d4c57d2bc0da88e17b8d58ca45890255beba047f21ca7afa87cacb5d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f272a8d4c57d2bc0da88e17b8d58ca45890255beba047f21ca7afa87cacb5d4", kill_on_drop: false }` [INFO] [stdout] 7f272a8d4c57d2bc0da88e17b8d58ca45890255beba047f21ca7afa87cacb5d4