[INFO] fetching crate lockfree-ringbuffer 0.1.3...
[INFO] testing lockfree-ringbuffer-0.1.3 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate lockfree-ringbuffer 0.1.3 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lockfree-ringbuffer 0.1.3 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6d41c92ca0d79af9dbef09626237381734e00218490cdd014460bfab200d53
[INFO] running `Command { std: "docker" "start" "-a" "cb6d41c92ca0d79af9dbef09626237381734e00218490cdd014460bfab200d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6d41c92ca0d79af9dbef09626237381734e00218490cdd014460bfab200d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6d41c92ca0d79af9dbef09626237381734e00218490cdd014460bfab200d53", kill_on_drop: false }`
[INFO] [stdout] cb6d41c92ca0d79af9dbef09626237381734e00218490cdd014460bfab200d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 902a27f61470844861448f0e314b837a0b2767a352ad5f1ca9abdeb54ab4a00e
[INFO] running `Command { std: "docker" "start" "-a" "902a27f61470844861448f0e314b837a0b2767a352ad5f1ca9abdeb54ab4a00e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling 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<T> {
[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<T> {
[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 0.33s
[INFO] running `Command { std: "docker" "inspect" "902a27f61470844861448f0e314b837a0b2767a352ad5f1ca9abdeb54ab4a00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902a27f61470844861448f0e314b837a0b2767a352ad5f1ca9abdeb54ab4a00e", kill_on_drop: false }`
[INFO] [stdout] 902a27f61470844861448f0e314b837a0b2767a352ad5f1ca9abdeb54ab4a00e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 932ded4ca23249212ff4fbc2627cfb90b9ea3b90ae797f56bef336ce259c805f
[INFO] running `Command { std: "docker" "start" "-a" "932ded4ca23249212ff4fbc2627cfb90b9ea3b90ae797f56bef336ce259c805f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] [stderr]    Compiling getrandom v0.2.16
[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<T> {
[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<T> {
[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]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling 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: 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<T> {
[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<T> {
[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 `test` profile [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "932ded4ca23249212ff4fbc2627cfb90b9ea3b90ae797f56bef336ce259c805f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932ded4ca23249212ff4fbc2627cfb90b9ea3b90ae797f56bef336ce259c805f", kill_on_drop: false }`
[INFO] [stdout] 932ded4ca23249212ff4fbc2627cfb90b9ea3b90ae797f56bef336ce259c805f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf26fc6e2669a727e30ff5164168df94864557807905d4b3c4ec732ead64818f
[INFO] running `Command { std: "docker" "start" "-a" "cf26fc6e2669a727e30ff5164168df94864557807905d4b3c4ec732ead64818f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicIsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/threadsafe.rs:137:18
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 .compare_and_swap(tail.into(), (tail + 1).into(), Ordering::SeqCst)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicIsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/threadsafe.rs:198:18
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 .compare_and_swap(tail.into(), new_tail.into(), Ordering::SeqCst)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Tail` is more private than the item `RingIter::current_tail`
[INFO] [stderr]    --> src/threadsafe.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub(crate) current_tail: Tail,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `RingIter::current_tail` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `Tail` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/threadsafe.rs:57:1
[INFO] [stderr]     |
[INFO] [stderr] 57  | struct Tail {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/threadsafe.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn pop(&mut self) -> RingIter<T> {
[INFO] [stderr]    |                ^^^^^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn pop(&mut self) -> RingIter<'_, T> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/threadsafe.rs:185:16
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 185 |     pub fn pop(&self) -> RingIter<T> {
[INFO] [stdout] running 3 tests
[INFO] [stderr]     |                ^^^^^     ----------- the lifetime gets resolved as `'_`
[INFO] [stdout] test threadsafe::tests::tail_conversion ... ok
[INFO] [stderr]     |                |
[INFO] [stdout] test threadsafe::tests::test_get ... ok
[INFO] [stderr]     |                this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn pop(&self) -> RingIter<'_, T> {
[INFO] [stderr]     |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `lockfree-ringbuffer` (lib) generated 5 warnings
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/threadsafe.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |             for i in 1..1000 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `threadsafe::Tail` is more private than the item `RingIter::current_tail`
[INFO] [stderr]    --> src/threadsafe.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub(crate) current_tail: Tail,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `RingIter::current_tail` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `threadsafe::Tail` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/threadsafe.rs:57:1
[INFO] [stderr]     |
[INFO] [stderr] 57  | struct Tail {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lockfree-ringbuffer` (lib test) generated 6 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lockfree_ringbuffer-bc46346e7439131c)
[INFO] [stdout] test threadsafe::tests::test_run has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cf26fc6e2669a727e30ff5164168df94864557807905d4b3c4ec732ead64818f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf26fc6e2669a727e30ff5164168df94864557807905d4b3c4ec732ead64818f", kill_on_drop: false }`
[INFO] [stdout] cf26fc6e2669a727e30ff5164168df94864557807905d4b3c4ec732ead64818f
