[INFO] cloning repository https://github.com/kingfree/readerwriterqueue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kingfree/readerwriterqueue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Freaderwriterqueue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Freaderwriterqueue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] defa33c455cff73c22b1d8928a0bc4a106859350 [INFO] testing kingfree/readerwriterqueue against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Freaderwriterqueue" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kingfree/readerwriterqueue [INFO] finished tweaking git repo https://github.com/kingfree/readerwriterqueue [INFO] tweaked toml for git repo https://github.com/kingfree/readerwriterqueue written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kingfree/readerwriterqueue on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kingfree/readerwriterqueue already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.5 [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d00bde72086b690caaf4682d6ebfd6190df20193fc55842e544b7e205ee5f19 [INFO] running `Command { std: "docker" "start" "-a" "8d00bde72086b690caaf4682d6ebfd6190df20193fc55842e544b7e205ee5f19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d00bde72086b690caaf4682d6ebfd6190df20193fc55842e544b7e205ee5f19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d00bde72086b690caaf4682d6ebfd6190df20193fc55842e544b7e205ee5f19", kill_on_drop: false }` [INFO] [stdout] 8d00bde72086b690caaf4682d6ebfd6190df20193fc55842e544b7e205ee5f19 [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 7961218db09c8eb68e40d4ed1e49def36320385a833b4a31dea9ebb4f861b1ca [INFO] running `Command { std: "docker" "start" "-a" "7961218db09c8eb68e40d4ed1e49def36320385a833b4a31dea9ebb4f861b1ca", kill_on_drop: false }` [INFO] [stderr] Compiling readerwriterqueue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/queue.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use core::mem::{self, align_of, size_of}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/queue.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | for i in 0..initial_block_count { [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: variable does not need to be mutable [INFO] [stdout] --> src/queue.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | let mut b = Self::make_block(other.largest_block_size); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `front_block_` [INFO] [stdout] --> src/queue.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | let front_block_ = self.front_block.load(Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `element` [INFO] [stdout] --> src/queue.rs:301:29 [INFO] [stdout] | [INFO] [stdout] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_alloc` [INFO] [stdout] --> src/queue.rs:301:41 [INFO] [stdout] | [INFO] [stdout] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cacheline_filler` and `dequeuing` are never read [INFO] [stdout] --> src/queue.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct ReaderWriterQueue { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::>()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | dequeuing: AtomicBool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek` and `pop` are never used [INFO] [stdout] --> src/queue.rs:211:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl ReaderWriterQueue { [INFO] [stdout] | ------------------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 211 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 260 | fn pop(&self) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read [INFO] [stdout] --> src/queue.rs:350:5 [INFO] [stdout] | [INFO] [stdout] 347 | struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 350 | cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 353 | local_front: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 354 | cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&mut` instead [INFO] [stdout] --> src/queue.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | Box::new(Block::new(capacity, new_block_raw, new_block_data)).as_mut() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/queue.rs:337:13 [INFO] [stdout] | [INFO] [stdout] 337 | drop(block); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut Block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 337 - drop(block); [INFO] [stdout] 337 + let _ = block; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/queue.rs:338:13 [INFO] [stdout] | [INFO] [stdout] 338 | drop(raw_block); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut u8` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 338 - drop(raw_block); [INFO] [stdout] 338 + let _ = raw_block; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "7961218db09c8eb68e40d4ed1e49def36320385a833b4a31dea9ebb4f861b1ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7961218db09c8eb68e40d4ed1e49def36320385a833b4a31dea9ebb4f861b1ca", kill_on_drop: false }` [INFO] [stdout] 7961218db09c8eb68e40d4ed1e49def36320385a833b4a31dea9ebb4f861b1ca [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e89d63cefcbbe0472d191001ae28d27f2e395d357899d0fe2e762b069fc99c3d [INFO] running `Command { std: "docker" "start" "-a" "e89d63cefcbbe0472d191001ae28d27f2e395d357899d0fe2e762b069fc99c3d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/queue.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use core::mem::{self, align_of, size_of}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/queue.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | for i in 0..initial_block_count { [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: variable does not need to be mutable [INFO] [stdout] --> src/queue.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | let mut b = Self::make_block(other.largest_block_size); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `front_block_` [INFO] [stdout] --> src/queue.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | let front_block_ = self.front_block.load(Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `element` [INFO] [stdout] --> src/queue.rs:301:29 [INFO] [stdout] | [INFO] [stdout] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_alloc` [INFO] [stdout] --> src/queue.rs:301:41 [INFO] [stdout] | [INFO] [stdout] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cacheline_filler` and `dequeuing` are never read [INFO] [stdout] --> src/queue.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct ReaderWriterQueue { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::>()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | dequeuing: AtomicBool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek` and `pop` are never used [INFO] [stdout] --> src/queue.rs:211:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl ReaderWriterQueue { [INFO] [stdout] | ------------------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 211 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 260 | fn pop(&self) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read [INFO] [stdout] --> src/queue.rs:350:5 [INFO] [stdout] | [INFO] [stdout] 347 | struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 350 | cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 353 | local_front: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 354 | cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&mut` instead [INFO] [stdout] --> src/queue.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | Box::new(Block::new(capacity, new_block_raw, new_block_data)).as_mut() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/queue.rs:337:13 [INFO] [stdout] | [INFO] [stdout] 337 | drop(block); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut Block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 337 - drop(block); [INFO] [stdout] 337 + let _ = block; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/queue.rs:338:13 [INFO] [stdout] | [INFO] [stdout] 338 | drop(raw_block); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut u8` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 338 - drop(raw_block); [INFO] [stdout] 338 + let _ = raw_block; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling readerwriterqueue v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/queue.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use core::mem::{self, align_of, size_of}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/queue.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | for i in 0..initial_block_count { [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: variable does not need to be mutable [INFO] [stdout] --> tests/stabtest.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut q = ReaderWriterQueue::::with_size(n); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `extra` [INFO] [stdout] --> tests/stabtest.rs:29:24 [INFO] [stdout] | [INFO] [stdout] 29 | fn unpredictable_delay(extra: usize) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/queue.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | let mut b = Self::make_block(other.largest_block_size); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `front_block_` [INFO] [stdout] --> src/queue.rs:160:17 [INFO] [stdout] | [INFO] [stdout] 160 | let front_block_ = self.front_block.load(Ordering::Relaxed); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `element` [INFO] [stdout] --> src/queue.rs:301:29 [INFO] [stdout] | [INFO] [stdout] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_alloc` [INFO] [stdout] --> src/queue.rs:301:41 [INFO] [stdout] | [INFO] [stdout] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cacheline_filler` and `dequeuing` are never read [INFO] [stdout] --> src/queue.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct ReaderWriterQueue { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::>()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | dequeuing: AtomicBool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek` and `pop` are never used [INFO] [stdout] --> src/queue.rs:211:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl ReaderWriterQueue { [INFO] [stdout] | ------------------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 211 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 260 | fn pop(&self) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read [INFO] [stdout] --> src/queue.rs:350:5 [INFO] [stdout] | [INFO] [stdout] 347 | struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 350 | cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 353 | local_front: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 354 | cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&mut` instead [INFO] [stdout] --> src/queue.rs:317:9 [INFO] [stdout] | [INFO] [stdout] 317 | Box::new(Block::new(capacity, new_block_raw, new_block_data)).as_mut() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/queue.rs:337:13 [INFO] [stdout] | [INFO] [stdout] 337 | drop(block); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut Block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 337 - drop(block); [INFO] [stdout] 337 + let _ = block; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/queue.rs:338:13 [INFO] [stdout] | [INFO] [stdout] 338 | drop(raw_block); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `*mut u8` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 338 - drop(raw_block); [INFO] [stdout] 338 + let _ = raw_block; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.42s [INFO] running `Command { std: "docker" "inspect" "e89d63cefcbbe0472d191001ae28d27f2e395d357899d0fe2e762b069fc99c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e89d63cefcbbe0472d191001ae28d27f2e395d357899d0fe2e762b069fc99c3d", kill_on_drop: false }` [INFO] [stdout] e89d63cefcbbe0472d191001ae28d27f2e395d357899d0fe2e762b069fc99c3d [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 472721825a4b133c51d6f86da288d448397187f90e66e40442868fc67c4c5b3a [INFO] running `Command { std: "docker" "start" "-a" "472721825a4b133c51d6f86da288d448397187f90e66e40442868fc67c4c5b3a", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/queue.rs:2:17 [INFO] [stderr] | [INFO] [stderr] 2 | use core::mem::{self, align_of, size_of}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/queue.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | for i in 0..initial_block_count { [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: variable does not need to be mutable [INFO] [stderr] --> src/queue.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | let mut b = Self::make_block(other.largest_block_size); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `front_block_` [INFO] [stderr] --> src/queue.rs:160:17 [INFO] [stderr] | [INFO] [stderr] 160 | let front_block_ = self.front_block.load(Ordering::Relaxed); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `element` [INFO] [stderr] --> src/queue.rs:301:29 [INFO] [stderr] | [INFO] [stderr] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_alloc` [INFO] [stderr] --> src/queue.rs:301:41 [INFO] [stderr] | [INFO] [stderr] 301 | fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc` [INFO] [stderr] [INFO] [stderr] warning: fields `cacheline_filler` and `dequeuing` are never read [INFO] [stderr] --> src/queue.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub struct ReaderWriterQueue { [INFO] [stderr] | ----------------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 35 | cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::>()], [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | dequeuing: AtomicBool, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: methods `peek` and `pop` are never used [INFO] [stderr] --> src/queue.rs:211:8 [INFO] [stderr] | [INFO] [stderr] 49 | impl ReaderWriterQueue { [INFO] [stderr] | ------------------------------------------------------------------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 211 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 260 | fn pop(&self) -> bool { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read [INFO] [stderr] --> src/queue.rs:350:5 [INFO] [stderr] | [INFO] [stderr] 347 | struct Block { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 350 | cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 353 | local_front: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 354 | cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::() - size_of::()], [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary allocation, use `&mut` instead [INFO] [stderr] --> src/queue.rs:317:9 [INFO] [stderr] | [INFO] [stderr] 317 | Box::new(Block::new(capacity, new_block_raw, new_block_data)).as_mut() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_allocation)]` on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/queue.rs:337:13 [INFO] [stderr] | [INFO] [stderr] 337 | drop(block); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*mut Block` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 337 - drop(block); [INFO] [stderr] 337 + let _ = block; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/queue.rs:338:13 [INFO] [stderr] | [INFO] [stderr] 338 | drop(raw_block); [INFO] [stderr] | ^^^^^---------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `*mut u8` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 338 - drop(raw_block); [INFO] [stderr] 338 + let _ = raw_block; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `readerwriterqueue` (lib) generated 12 warnings (run `cargo fix --lib -p readerwriterqueue` to apply 2 suggestions) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/stabtest.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut q = ReaderWriterQueue::::with_size(n); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `extra` [INFO] [stderr] --> tests/stabtest.rs:29:24 [INFO] [stderr] | [INFO] [stderr] 29 | fn unpredictable_delay(extra: usize) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `readerwriterqueue` (test "stabtest") generated 2 warnings (run `cargo fix --test "stabtest"` to apply 1 suggestion) [INFO] [stderr] warning: `readerwriterqueue` (lib test) generated 12 warnings (12 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/readerwriterqueue-6c284274c137369b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/stabtest.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/stabtest-44aa22c6541ea824) [INFO] [stderr] error: test failed, to rerun pass `--test stabtest` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/stabtest-44aa22c6541ea824` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "472721825a4b133c51d6f86da288d448397187f90e66e40442868fc67c4c5b3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "472721825a4b133c51d6f86da288d448397187f90e66e40442868fc67c4c5b3a", kill_on_drop: false }` [INFO] [stdout] 472721825a4b133c51d6f86da288d448397187f90e66e40442868fc67c4c5b3a