[INFO] cloning repository https://github.com/obellish/lox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obellish/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobellish%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobellish%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6b5d6cdcd7e7ceac1a908f994d57edeae9865f6
[INFO] checking obellish/lox-rs against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobellish%2Flox-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/obellish/lox-rs
[INFO] finished tweaking git repo https://github.com/obellish/lox-rs
[INFO] tweaked toml for git repo https://github.com/obellish/lox-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obellish/lox-rs on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obellish/lox-rs 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03a79c62c2cfc49441e4b8cf936a548d24aa9a9dc1c7e3be15b7a4a47196f6aa
[INFO] running `Command { std: "docker" "start" "-a" "03a79c62c2cfc49441e4b8cf936a548d24aa9a9dc1c7e3be15b7a4a47196f6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a79c62c2cfc49441e4b8cf936a548d24aa9a9dc1c7e3be15b7a4a47196f6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a79c62c2cfc49441e4b8cf936a548d24aa9a9dc1c7e3be15b7a4a47196f6aa", kill_on_drop: false }`
[INFO] [stdout] 03a79c62c2cfc49441e4b8cf936a548d24aa9a9dc1c7e3be15b7a4a47196f6aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4605c5604ef7327d0609a09971c3cb39193e91719f6fb4c70e0b30a80de9d3b2
[INFO] running `Command { std: "docker" "start" "-a" "4605c5604ef7327d0609a09971c3cb39193e91719f6fb4c70e0b30a80de9d3b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking lox-mmap v0.1.0 (/opt/rustwide/workdir/crates/mmap)
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]     Checking lox-bytecode v0.1.0 (/opt/rustwide/workdir/crates/bytecode)
[INFO] [stderr]     Checking lox-gc v0.1.0 (/opt/rustwide/workdir/crates/gc)
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> crates/gc/src/heap.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{alloc::Layout, cell::Cell, mem, ops::Add};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> crates/gc/src/heap.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{alloc::Layout, cell::Cell, mem, ops::Add};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `finalizers` and `threshold` are never read
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:25:2
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ManagedHeap {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 24 |     pub(crate) heap: Heap,
[INFO] [stdout] 25 |     finalizers: RefCell<Vec<Gc<()>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 26 |     threshold: Cell<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 `dyn_data_mut` is never used
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: ?Sized> Gc<T> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn dyn_data_mut(&self) -> &mut dyn Trace {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract` is never used
[INFO] [stdout]   --> crates/gc/src/gc/vtable.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn extract<T: Trace>(data: *const T) -> *mut () {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_mut` is never used
[INFO] [stdout]   --> crates/gc/src/gc/vtable.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub unsafe fn construct_mut<'a>(data: *mut (), vtable: *mut ()) -> &'a mut dyn Trace {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `free_reams`, `free_pages`, `free_sized`, `full_reams`, `full_pages`, and `bytes_used` are never read
[INFO] [stdout]   --> crates/gc/src/heap.rs:7:2
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Heap {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  6 |     space: AddrSpace,
[INFO] [stdout]  7 |     free_reams: PdList,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  8 |     free_pages: PdList,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]  9 |     free_sized: [PdList; SizeClass::SMALL.len()],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |     full_reams: PdList,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 11 |     full_pages: PdList,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     bytes_used: Cell<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> crates/gc/src/heap.rs:16:9
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl Heap {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  16 |     pub fn new() -> Option<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  45 |     pub fn bytes_used(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     pub fn alloc(&self, layout: Layout) -> *mut u8 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     pub unsafe fn start_gc(&self) {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub unsafe fn sweep(&self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     const fn sized_list(&self, size_class: SizeClass) -> &PdList {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn take_ream(&self, pages: u32) -> PdRef<'_> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn alloc_ream(&self, pages: u32) -> *mut u8 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn alloc_small(&self, size_class: SizeClass) -> *mut u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `used_pds` and `reserved_pds` are never read
[INFO] [stdout]    --> crates/gc/src/heap.rs:187:2
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct AddrSpace {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 186 |     mem: MemoryMap,
[INFO] [stdout] 187 |     used_pds: Cell<u32>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 188 |     reserved_pds: Cell<u32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> crates/gc/src/heap.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl AddrSpace {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     const TOTAL_BYTES: usize = Self::TOTAL_PAGES * Self::PAGE_BYTES;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 201 |     const TOTAL_PAGES: usize = Self::DATA_PAGES + Self::PD_PAGES + Self::BITMAP_PAGES;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 202 |
[INFO] [stdout] 203 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     pub const unsafe fn pd(&self, idx: PdIdx) -> PdRef<'_> {
[INFO] [stdout]     |                         ^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub fn pds(&self) -> impl Iterator<Item = PdRef<'_>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |     pub fn available_pages(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn create_reserved(&self) -> PdList {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 267 |     pub fn create_ream(&self, count: u32) -> PdRef<'_> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prev`, `next`, and `len` are never read
[INFO] [stdout]    --> crates/gc/src/heap.rs:304:2
[INFO] [stdout]     |
[INFO] [stdout] 303 | struct PageDescriptor {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 304 |     prev: Cell<PdIdx>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 305 |     next: Cell<PdIdx>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 306 |     class: Cell<SizeClass>,
[INFO] [stdout] 307 |     len: Cell<u32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PageDescriptor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> crates/gc/src/heap.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 320 | impl<'space> PdRef<'space> {
[INFO] [stdout]     | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 337 |     pub fn pages(self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 341 |     pub fn is_single_page(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 345 |     pub fn set_class(self, size_class: SizeClass) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     pub fn is_linked(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     pub fn set_empty(self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn is_empty(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |     pub fn is_full(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |     fn bits_used(self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |     fn bytes_used(self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 439 |     pub fn next(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 446 |     pub fn prev(self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 453 |     pub unsafe fn unlink_unchecked(self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 458 |     pub fn unlink(self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 |     pub fn take_next_block(self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 498 |     pub fn split(self, split: usize) -> Option<(Self, Option<Self>)> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `iter`, `first`, and `push` are never used
[INFO] [stdout]    --> crates/gc/src/heap.rs:529:15
[INFO] [stdout]     |
[INFO] [stdout] 528 | impl PdList {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 529 |     pub const fn new(root: PdIdx) -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 533 |     pub fn iter<'space>(&self, space: &'space AddrSpace) -> impl Iterator<Item = PdRef<'space>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 551 |     pub fn first<'space>(&self, space: &'space AddrSpace) -> Option<PdRef<'space>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 561 |     pub fn push(&self, item: PdRef<'_>) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ream` is never constructed
[INFO] [stdout]    --> crates/gc/src/heap.rs:577:2
[INFO] [stdout]     |
[INFO] [stdout] 576 | enum SizeClass {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] 577 |     Ream = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SizeClass` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub const fn erase(self) -> Gc<()> {
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 | impl<T: ?Sized> Deref for Gc<T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 97 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn to_bits(self) -> u64 {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 | impl<T: ?Sized> Deref for Gc<T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 97 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `finalizers` and `threshold` are never read
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:25:2
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ManagedHeap {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 24 |     pub(crate) heap: Heap,
[INFO] [stdout] 25 |     finalizers: RefCell<Vec<Gc<()>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 26 |     threshold: Cell<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 `dyn_data_mut` is never used
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: ?Sized> Gc<T> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn dyn_data_mut(&self) -> &mut dyn Trace {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract` is never used
[INFO] [stdout]   --> crates/gc/src/gc/vtable.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn extract<T: Trace>(data: *const T) -> *mut () {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_mut` is never used
[INFO] [stdout]   --> crates/gc/src/gc/vtable.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub unsafe fn construct_mut<'a>(data: *mut (), vtable: *mut ()) -> &'a mut dyn Trace {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bytes_used` is never used
[INFO] [stdout]   --> crates/gc/src/heap.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Heap {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn bytes_used(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_linked` is never used
[INFO] [stdout]    --> crates/gc/src/heap.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 320 | impl<'space> PdRef<'space> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 353 |     pub fn is_linked(self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub const fn erase(self) -> Gc<()> {
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 | impl<T: ?Sized> Deref for Gc<T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 97 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> crates/gc/src/gc/mod.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn to_bits(self) -> u64 {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 | impl<T: ?Sized> Deref for Gc<T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 97 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox-gc` (lib) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lox-gc` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4605c5604ef7327d0609a09971c3cb39193e91719f6fb4c70e0b30a80de9d3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4605c5604ef7327d0609a09971c3cb39193e91719f6fb4c70e0b30a80de9d3b2", kill_on_drop: false }`
[INFO] [stdout] 4605c5604ef7327d0609a09971c3cb39193e91719f6fb4c70e0b30a80de9d3b2
