[INFO] cloning repository https://github.com/D0liphin/fast_der_regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/D0liphin/fast_der_regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD0liphin%2Ffast_der_regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD0liphin%2Ffast_der_regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec798deba92fe580119670d4382a02eda4d238fa
[INFO] checking D0liphin/fast_der_regex against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FD0liphin%2Ffast_der_regex" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/D0liphin/fast_der_regex
[INFO] finished tweaking git repo https://github.com/D0liphin/fast_der_regex
[INFO] tweaked toml for git repo https://github.com/D0liphin/fast_der_regex written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/D0liphin/fast_der_regex on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/D0liphin/fast_der_regex 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9948497fece94e081198cd421f28eb74537809ac9976f534d43c585b7133220
[INFO] running `Command { std: "docker" "start" "-a" "d9948497fece94e081198cd421f28eb74537809ac9976f534d43c585b7133220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9948497fece94e081198cd421f28eb74537809ac9976f534d43c585b7133220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9948497fece94e081198cd421f28eb74537809ac9976f534d43c585b7133220", kill_on_drop: false }`
[INFO] [stdout] d9948497fece94e081198cd421f28eb74537809ac9976f534d43c585b7133220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c59a4ed9d000e8ecc5e12b5aacd00af1fae7b5e95d286ae0b45c708f6716e020
[INFO] running `Command { std: "docker" "start" "-a" "c59a4ed9d000e8ecc5e12b5aacd00af1fae7b5e95d286ae0b45c708f6716e020", kill_on_drop: false }`
[INFO] [stderr]     Checking fast_regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc_layout_extra,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/regex/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc_layout_extra,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Re` is never used
[INFO] [stdout]   --> src/regex/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Re {
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `nullable`, `const_eq`, and `eq` are never used
[INFO] [stdout]   --> src/regex/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Re {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 23 |     // TODO: make #[tailcall]
[INFO] [stdout] 24 |     pub fn nullable(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     unsafe fn const_eq(lhs: Const<Re>, rhs: Const<Re>) -> bool {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     unsafe fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Regex` is never constructed
[INFO] [stdout]   --> src/regex/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Regex<'parent> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_alloc` is never used
[INFO] [stdout]    --> src/regex/mod.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn try_alloc(alloc: &mut VecAlloc<Re>, value: Re) -> Result<Const<Re>, ()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/regex/mod.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'a> Regex<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 175 |     pub const DEFAULT_CAPACITY: usize = 32;
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     unsafe fn new(tree: Const<Re>, alloc: VecAlloc<Re>) -> Self {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn alloc(&self) -> &VecAlloc<Re> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub unsafe fn alloc_mut(&mut self) -> &mut VecAlloc<Re> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub unsafe fn tree_mut(&mut self) -> &mut Const<Re> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub fn child(&'a self) -> Regex<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     pub fn nullable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     unsafe fn rebuild_with(alloc: &mut VecAlloc<Re>, r: Const<Re>) -> Const<Re> {
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub fn clone(&self) -> Regex<'static> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     unsafe fn der_rec<'b>(
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 308 |     pub fn der<'b>(&'b self, c: char) -> Regex<'b> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 325 |     unsafe fn simp_rec(
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     pub fn simp<'b>(&'b self) -> Regex<'b> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     fn ders(r: Regex<'static>, cs: &[char]) -> Regex<'static> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     pub fn is_match(&self, s: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone_static` is never used
[INFO] [stdout]    --> src/regex/mod.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 440 | impl Regex<'static> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] 441 |     pub fn clone_static(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Const` is never constructed
[INFO] [stdout]  --> src/regex/const_ptr.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Const<T>(NonNull<T>);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `dangling`, `read`, `as_ref`, `ptr_eq`, and `eq` are never used
[INFO] [stdout]   --> src/regex/const_ptr.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> Const<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(inner: NonNull<T>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn dangling() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub unsafe fn read(&self) -> T {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub unsafe fn as_ref(&self) -> &T {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn ptr_eq(self, rhs: Self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub unsafe fn eq(self, rhs: Self, inner_eq: impl Fn(&T, &T) -> bool) -> bool {
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `re`, `alt`, and `star` are never used
[INFO] [stdout]   --> src/regex/build_plan.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait ImplicitRe: Into<Re> {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn re(self) -> Re {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn alt(self, rhs: impl ImplicitRe) -> Re {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn star(self) -> Re {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RawBuf` is never constructed
[INFO] [stdout]  --> src/vec_alloc.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct RawBuf<T> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_layout`, `new`, `get_unchecked`, and `get` are never used
[INFO] [stdout]   --> src/vec_alloc.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T> RawBuf<T> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 41 |     fn new_layout(capacity: usize) -> (Layout, usize) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub unsafe fn get_unchecked(&mut self, index: usize) -> NonNull<T> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn get(&mut self, index: usize) -> Option<NonNull<T>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecAlloc` is never constructed
[INFO] [stdout]   --> src/vec_alloc.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct VecAlloc<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `alloc`, `capacity`, `len`, `resize`, and `resized` are never used
[INFO] [stdout]    --> src/vec_alloc.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl<T> VecAlloc<T> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  99 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn alloc(&mut self, value: T) -> Result<NonNull<T>, T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn resize(&mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn resized(&mut self) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `vec_push_within_capacity` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec_push_within_capacity,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Re` is never used
[INFO] [stdout]   --> src/regex/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Re {
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `nullable`, `const_eq`, and `eq` are never used
[INFO] [stdout]   --> src/regex/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Re {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 23 |     // TODO: make #[tailcall]
[INFO] [stdout] 24 |     pub fn nullable(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     unsafe fn const_eq(lhs: Const<Re>, rhs: Const<Re>) -> bool {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     unsafe fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Regex` is never constructed
[INFO] [stdout]   --> src/regex/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Regex<'parent> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_alloc` is never used
[INFO] [stdout]    --> src/regex/mod.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn try_alloc(alloc: &mut VecAlloc<Re>, value: Re) -> Result<Const<Re>, ()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/regex/mod.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'a> Regex<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 175 |     pub const DEFAULT_CAPACITY: usize = 32;
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     unsafe fn new(tree: Const<Re>, alloc: VecAlloc<Re>) -> Self {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn alloc(&self) -> &VecAlloc<Re> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub unsafe fn alloc_mut(&mut self) -> &mut VecAlloc<Re> {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub unsafe fn tree_mut(&mut self) -> &mut Const<Re> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub fn child(&'a self) -> Regex<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     pub fn nullable(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     unsafe fn rebuild_with(alloc: &mut VecAlloc<Re>, r: Const<Re>) -> Const<Re> {
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub fn clone(&self) -> Regex<'static> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     unsafe fn der_rec<'b>(
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 308 |     pub fn der<'b>(&'b self, c: char) -> Regex<'b> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 325 |     unsafe fn simp_rec(
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     pub fn simp<'b>(&'b self) -> Regex<'b> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     fn ders(r: Regex<'static>, cs: &[char]) -> Regex<'static> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 |     pub fn is_match(&self, s: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone_static` is never used
[INFO] [stdout]    --> src/regex/mod.rs:441:12
[INFO] [stdout]     |
[INFO] [stdout] 440 | impl Regex<'static> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] 441 |     pub fn clone_static(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Const` is never constructed
[INFO] [stdout]  --> src/regex/const_ptr.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Const<T>(NonNull<T>);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `dangling`, `read`, `as_ref`, `ptr_eq`, and `eq` are never used
[INFO] [stdout]   --> src/regex/const_ptr.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<T> Const<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(inner: NonNull<T>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn dangling() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub unsafe fn read(&self) -> T {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub unsafe fn as_ref(&self) -> &T {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn ptr_eq(self, rhs: Self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub unsafe fn eq(self, rhs: Self, inner_eq: impl Fn(&T, &T) -> bool) -> bool {
[INFO] [stdout]    |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `re`, `alt`, and `star` are never used
[INFO] [stdout]   --> src/regex/build_plan.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait ImplicitRe: Into<Re> {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn re(self) -> Re {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn alt(self, rhs: impl ImplicitRe) -> Re {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn star(self) -> Re {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RawBuf` is never constructed
[INFO] [stdout]  --> src/vec_alloc.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct RawBuf<T> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_layout`, `new`, `get_unchecked`, and `get` are never used
[INFO] [stdout]   --> src/vec_alloc.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T> RawBuf<T> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 41 |     fn new_layout(capacity: usize) -> (Layout, usize) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub unsafe fn get_unchecked(&mut self, index: usize) -> NonNull<T> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn get(&mut self, index: usize) -> Option<NonNull<T>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecAlloc` is never constructed
[INFO] [stdout]   --> src/vec_alloc.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct VecAlloc<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `alloc`, `capacity`, `len`, `resize`, and `resized` are never used
[INFO] [stdout]    --> src/vec_alloc.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl<T> VecAlloc<T> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  99 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn alloc(&mut self, value: T) -> Result<NonNull<T>, T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn resize(&mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn resized(&mut self) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `vec_push_within_capacity` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     vec_push_within_capacity,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "c59a4ed9d000e8ecc5e12b5aacd00af1fae7b5e95d286ae0b45c708f6716e020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59a4ed9d000e8ecc5e12b5aacd00af1fae7b5e95d286ae0b45c708f6716e020", kill_on_drop: false }`
[INFO] [stdout] c59a4ed9d000e8ecc5e12b5aacd00af1fae7b5e95d286ae0b45c708f6716e020
