[INFO] cloning repository https://github.com/fliseno1k/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fliseno1k/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffliseno1k%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffliseno1k%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6731a6a651fec40bafaccf73d1f728d27364e68
[INFO] checking fliseno1k/rust-lox against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffliseno1k%2Frust-lox" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fliseno1k/rust-lox
[INFO] finished tweaking git repo https://github.com/fliseno1k/rust-lox
[INFO] tweaked toml for git repo https://github.com/fliseno1k/rust-lox written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fliseno1k/rust-lox on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fliseno1k/rust-lox 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9c9a3e22604404fa95ed63b9e50228882b1cf556f5071c6982c2d24c6cb6e34
[INFO] running `Command { std: "docker" "start" "-a" "d9c9a3e22604404fa95ed63b9e50228882b1cf556f5071c6982c2d24c6cb6e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9c9a3e22604404fa95ed63b9e50228882b1cf556f5071c6982c2d24c6cb6e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c9a3e22604404fa95ed63b9e50228882b1cf556f5071c6982c2d24c6cb6e34", kill_on_drop: false }`
[INFO] [stdout] d9c9a3e22604404fa95ed63b9e50228882b1cf556f5071c6982c2d24c6cb6e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f168ba045e78ad2db1566fc325f972979602ceaf5b617c1c58b054e01ed35ad
[INFO] running `Command { std: "docker" "start" "-a" "5f168ba045e78ad2db1566fc325f972979602ceaf5b617c1c58b054e01ed35ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking lox-syntax v0.1.0 (/opt/rustwide/workdir/crates/lox-syntax)
[INFO] [stderr]     Checking lox-vm v0.1.0 (/opt/rustwide/workdir/crates/lox-vm)
[INFO] [stdout] warning: variants `Star`, `Nil`, and `Or` are never constructed
[INFO] [stdout]   --> crates/lox-syntax/src/token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Star,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/lox-syntax/src/tokenizer.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(buf: &str) -> Scanner {
[INFO] [stdout]    |                 ^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(buf: &str) -> Scanner<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/lox-syntax/src/tokenizer.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(buf: &str) -> Lexer {
[INFO] [stdout]    |                 ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(buf: &str) -> Lexer<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir/crates/lox)
[INFO] [stdout] warning: variants `Star`, `Nil`, and `Or` are never constructed
[INFO] [stdout]   --> crates/lox-syntax/src/token.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Star,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 44 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/lox-syntax/src/tokenizer.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(buf: &str) -> Scanner {
[INFO] [stdout]    |                 ^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(buf: &str) -> Scanner<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/lox-syntax/src/tokenizer.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(buf: &str) -> Lexer {
[INFO] [stdout]    |                 ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(buf: &str) -> Lexer<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lox-mmap v0.1.0 (/opt/rustwide/workdir/crates/lox-mmap)
[INFO] [stderr]     Checking lox-gc v0.1.0 (/opt/rustwide/workdir/crates/lox-gc)
[INFO] [stdout] warning: method `bytes_used` is never used
[INFO] [stdout]   --> crates/lox-gc/src/heap.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Heap {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn bytes_used(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_linked` is never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:414:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl<'space> PdRef<'space> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 414 |     pub fn is_linked(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn take_ream(&self, pages: u32) -> PdRef {
[INFO] [stdout]     |                  ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn take_ream(&self, pages: u32) -> PdRef<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub unsafe fn pd(&self, idx: PdIdx) -> PdRef {
[INFO] [stdout]     |                      ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub unsafe fn pd(&self, idx: PdIdx) -> PdRef<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub unsafe fn pd_at(&self, index: u32) -> PdRef {
[INFO] [stdout]     |                         ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub unsafe fn pd_at(&self, index: u32) -> PdRef<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub unsafe fn pd_of(&self, ptr: *const u8) -> PdRef {
[INFO] [stdout]     |                         ^^^^^                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub unsafe fn pd_of(&self, ptr: *const u8) -> PdRef<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn pds(&self) -> impl Iterator<Item = PdRef> {
[INFO] [stdout]     |                ^^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn pds(&self) -> impl Iterator<Item = PdRef<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn new_ream(&self, count: u32) -> PdRef {
[INFO] [stdout]     |                     ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn new_ream(&self, count: u32) -> PdRef<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_to_pages` is never used
[INFO] [stdout]  --> crates/lox-gc/src/heap.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | const fn bytes_to_pages(n: usize) -> usize {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Heap` is never constructed
[INFO] [stdout]   --> crates/lox-gc/src/heap.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Heap {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Heap {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  28 |     pub fn new() -> Option<Heap> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub fn bytes_used(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub fn alloc(&self, layout: std::alloc::Layout) -> *mut u8 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub unsafe fn start_gc(&self) {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |     pub unsafe fn mark(&self, ptr: *const u8) {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn is_marked(&self, ptr: *const u8) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub unsafe fn sweep(&self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn sized_list(&self, size_class: SizeClass) -> &PdList {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn take_ream(&self, pages: u32) -> PdRef {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     fn alloc_ream(&self, pages: u32) -> *mut u8 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn alloc_small(&self, size_class: SizeClass) -> *mut u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddrSpace` is never constructed
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | struct AddrSpace {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:213:11
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl AddrSpace {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 213 |     const PAGE_BYTES: usize = 4096;
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 214 |
[INFO] [stdout] 215 |     const DATE_BYTES: usize = 4 * 1024 * 1024 * 1024;
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 216 |
[INFO] [stdout] 217 |     const DATA_PAGES: usize = Self::DATE_BYTES / Self::PAGE_BYTES;
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 218 |
[INFO] [stdout] 219 |     const PD_PAGES: usize = bytes_to_pages(Self::DATA_PAGES * size_of::<PageDescriptor>());
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |     const BITMAP_PAGES: usize = bytes_to_pages(Self::DATA_PAGES * size_of::<Bitmap>());
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 222 |
[INFO] [stdout] 223 |     const PD_BYTES: usize = Self::PD_PAGES * Self::PAGE_BYTES;
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 224 |
[INFO] [stdout] 225 |     const BITMAP_BYTES: usize = Self::BITMAP_PAGES * Self::PAGE_BYTES;
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 226 |
[INFO] [stdout] 227 |     const TOTAL_PAGES: usize = Self::DATA_PAGES + Self::PD_PAGES + Self::BITMAP_PAGES;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 228 |
[INFO] [stdout] 229 |     const TOTAL_BYTES: usize = Self::TOTAL_PAGES * Self::PAGE_BYTES;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 230 |
[INFO] [stdout] 231 |     const DATA_START: usize = Self::PD_BYTES + Self::BITMAP_BYTES;
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 232 |
[INFO] [stdout] 233 |     pub fn create() -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub unsafe fn pd(&self, idx: PdIdx) -> PdRef {
[INFO] [stdout]     |                   ^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     pub unsafe fn pd_at(&self, index: u32) -> PdRef {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub unsafe fn pd_of(&self, ptr: *const u8) -> PdRef {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 262 |     pub fn pds(&self) -> impl Iterator<Item = PdRef> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     pub fn available_pages(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 285 |     pub(crate) fn new_reserved(&self) -> PdList {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn new_ream(&self, count: u32) -> PdRef {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bitmap` is never constructed
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 | struct Bitmap([Cell<u64>; 4]);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SizeClass` is never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:336:6
[INFO] [stdout]     |
[INFO] [stdout] 336 | enum SizeClass {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `SMALL`, `block_bytes`, and `total_blocks` are never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:350:11
[INFO] [stdout]     |
[INFO] [stdout] 349 | impl SizeClass {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 350 |     const SMALL: [Self; 9] = [
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 362 |     pub const fn block_bytes(self) -> Option<usize> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     pub const fn total_blocks(self) -> usize {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PageDescriptor` is never constructed
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:380:8
[INFO] [stdout]     |
[INFO] [stdout] 380 | struct PageDescriptor {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PdIdx` is never constructed
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 | struct PdIdx(u32);
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PdRef` is never constructed
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:392:8
[INFO] [stdout]     |
[INFO] [stdout] 392 | struct PdRef<'space> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:398:12
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl<'space> PdRef<'space> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] 398 |     pub fn pages(self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 402 |     pub fn is_single_page(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     pub fn set_class(self, size_class: SizeClass) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 410 |     pub fn class(self) -> SizeClass {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 414 |     pub fn is_linked(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 418 |     pub fn set_empty(self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn is_empty(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 428 |     pub fn is_full(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 450 |     pub fn data(self, index: usize) -> *mut u8 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 458 |     pub fn mark(self, index: usize) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 468 |     pub fn is_marked(self, index: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 |     pub fn next(self) -> PdRef<'space> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 |     pub fn prev(self) -> PdRef<'space> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 492 |     pub unsafe fn force_unlink(self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |     pub fn unlink(self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 |     pub fn take_next_block(self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 536 |     pub fn split(self, split: usize) -> Option<(Self, Option<Self>)> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 559 |     fn pd(self) -> &'space PageDescriptor {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 568 |     fn bitmap(self) -> &'space Bitmap {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 577 |     fn bits_used(self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 586 |     fn bytes_used(self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PdList` is never constructed
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:600:8
[INFO] [stdout]     |
[INFO] [stdout] 600 | struct PdList {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `iter`, `first`, and `push` are never used
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:605:12
[INFO] [stdout]     |
[INFO] [stdout] 604 | impl PdList {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 605 |     pub fn new(root: PdIdx) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 609 |     pub fn iter<'space>(&self, space: &'space AddrSpace) -> impl Iterator<Item = PdRef<'space>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 626 |     pub fn first<'space>(&self, space: &'space AddrSpace) -> Option<PdRef<'space>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 636 |     pub fn push(&self, item: PdRef) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn take_ream(&self, pages: u32) -> PdRef {
[INFO] [stdout]     |                  ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn take_ream(&self, pages: u32) -> PdRef<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub unsafe fn pd(&self, idx: PdIdx) -> PdRef {
[INFO] [stdout]     |                      ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub unsafe fn pd(&self, idx: PdIdx) -> PdRef<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:247:25
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub unsafe fn pd_at(&self, index: u32) -> PdRef {
[INFO] [stdout]     |                         ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub unsafe fn pd_at(&self, index: u32) -> PdRef<'_> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub unsafe fn pd_of(&self, ptr: *const u8) -> PdRef {
[INFO] [stdout]     |                         ^^^^^                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub unsafe fn pd_of(&self, ptr: *const u8) -> PdRef<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn pds(&self) -> impl Iterator<Item = PdRef> {
[INFO] [stdout]     |                ^^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn pds(&self) -> impl Iterator<Item = PdRef<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/lox-gc/src/heap.rs:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn new_ream(&self, count: u32) -> PdRef {
[INFO] [stdout]     |                     ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn new_ream(&self, count: u32) -> PdRef<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "5f168ba045e78ad2db1566fc325f972979602ceaf5b617c1c58b054e01ed35ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f168ba045e78ad2db1566fc325f972979602ceaf5b617c1c58b054e01ed35ad", kill_on_drop: false }`
[INFO] [stdout] 5f168ba045e78ad2db1566fc325f972979602ceaf5b617c1c58b054e01ed35ad
