[INFO] cloning repository https://github.com/Orkking2/FastFifo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Orkking2/FastFifo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrkking2%2FFastFifo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrkking2%2FFastFifo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd66907cad73c56c17d9f5febbc0bb76a1cc3a34
[INFO] checking Orkking2/FastFifo against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrkking2%2FFastFifo" "/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/Orkking2/FastFifo
[INFO] finished tweaking git repo https://github.com/Orkking2/FastFifo
[INFO] tweaked toml for git repo https://github.com/Orkking2/FastFifo written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Orkking2/FastFifo on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Orkking2/FastFifo 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generator v0.8.5
[INFO] [stderr]   Downloaded haphazard v0.1.8
[INFO] [stderr]   Downloaded stringcase v0.4.0
[INFO] [stderr]   Downloaded atomic_list v0.1.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73cd6ae808bb719ba22a718e8604923160403674082943c9e74ae264ac9eb036
[INFO] running `Command { std: "docker" "start" "-a" "73cd6ae808bb719ba22a718e8604923160403674082943c9e74ae264ac9eb036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73cd6ae808bb719ba22a718e8604923160403674082943c9e74ae264ac9eb036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73cd6ae808bb719ba22a718e8604923160403674082943c9e74ae264ac9eb036", kill_on_drop: false }`
[INFO] [stdout] 73cd6ae808bb719ba22a718e8604923160403674082943c9e74ae264ac9eb036
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c1562ed8e6779e89dcff84437f60bbdb133a2d37a8e48ee3205022104006952
[INFO] running `Command { std: "docker" "start" "-a" "4c1562ed8e6779e89dcff84437f60bbdb133a2d37a8e48ee3205022104006952", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling stringcase v0.4.0
[INFO] [stderr]     Checking haphazard v0.1.8
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking atomic_list v0.1.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking fastfifoprocmacro v0.1.0 (/opt/rustwide/workdir/fastfifoprocmacro)
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking fastfifo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/block.rs:45:65
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 vec.extend((0..Tag::num_transformations()).map(|i| {
[INFO] [stdout]    |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/fomo/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct FastFifo<T>(FastFifoInner<T>);
[INFO] [stdout]   |            --------    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `atm` and `subs` are never read
[INFO] [stdout]   --> src/fomo/fifo_inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Block {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 18 |     atm: AtomicPair,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     subs: AtomicU16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `phead`, `nsubs`, `blocks`, and `array` are never read
[INFO] [stdout]   --> src/fomo/fifo_inner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct FastFifoInner<T> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 23 |     phead: AtomicField,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     nsubs: AtomicU16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     blocks: NonNull<[Block]>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     array: NonNull<[UnsafeCell<MaybeUninit<T>>]>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `push` are never used
[INFO] [stdout]   --> src/fomo/fifo_inner.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T> FastFifoInner<T> {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 30 |     pub fn new(block_size: usize, num_blocks: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn push(&self, elem: T) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subscriber` is never constructed
[INFO] [stdout]    --> src/fomo/fifo_inner.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Subscriber<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `subscribe` and `pop` are never used
[INFO] [stdout]    --> src/fomo/fifo_inner.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<T> Subscriber<T> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 111 |     pub fn subscribe(to: Arc<FastFifoInner<T>>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn pop(&mut self) -> Result<T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]  --> src/multibuff/block.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Block<Tag: FifoTag> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FifoInner` is never constructed
[INFO] [stdout]  --> src/multibuff/fifo_inner.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FifoInner<Tag: FifoTag> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index_max` is never used
[INFO] [stdout]   --> src/atom_pair.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl AtomicPair {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn index_max(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/field.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Field {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub const fn is_full(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/block.rs:45:65
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 vec.extend((0..Tag::num_transformations()).map(|i| {
[INFO] [stdout]    |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/fomo/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct FastFifo<T>(FastFifoInner<T>);
[INFO] [stdout]   |            --------    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `atm` and `subs` are never read
[INFO] [stdout]   --> src/fomo/fifo_inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Block {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 18 |     atm: AtomicPair,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     subs: AtomicU16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `phead`, `nsubs`, `blocks`, and `array` are never read
[INFO] [stdout]   --> src/fomo/fifo_inner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct FastFifoInner<T> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 23 |     phead: AtomicField,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     nsubs: AtomicU16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     blocks: NonNull<[Block]>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     array: NonNull<[UnsafeCell<MaybeUninit<T>>]>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `push` are never used
[INFO] [stdout]   --> src/fomo/fifo_inner.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T> FastFifoInner<T> {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 30 |     pub fn new(block_size: usize, num_blocks: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn push(&self, elem: T) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subscriber` is never constructed
[INFO] [stdout]    --> src/fomo/fifo_inner.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Subscriber<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `subscribe` and `pop` are never used
[INFO] [stdout]    --> src/fomo/fifo_inner.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<T> Subscriber<T> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout] 111 |     pub fn subscribe(to: Arc<FastFifoInner<T>>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn pop(&mut self) -> Result<T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]  --> src/multibuff/block.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Block<Tag: FifoTag> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FifoInner` is never constructed
[INFO] [stdout]  --> src/multibuff/fifo_inner.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct FifoInner<Tag: FifoTag> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index_max` is never used
[INFO] [stdout]   --> src/atom_pair.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl AtomicPair {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn index_max(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/field.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Field {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub const fn is_full(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "4c1562ed8e6779e89dcff84437f60bbdb133a2d37a8e48ee3205022104006952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1562ed8e6779e89dcff84437f60bbdb133a2d37a8e48ee3205022104006952", kill_on_drop: false }`
[INFO] [stdout] 4c1562ed8e6779e89dcff84437f60bbdb133a2d37a8e48ee3205022104006952
