[INFO] cloning repository https://github.com/imaqtkatt/icecream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imaqtkatt/icecream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimaqtkatt%2Ficecream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimaqtkatt%2Ficecream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c835f69494e55edc13e219cc67c1d495648c4a2a
[INFO] testing imaqtkatt/icecream against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimaqtkatt%2Ficecream" "/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/imaqtkatt/icecream
[INFO] finished tweaking git repo https://github.com/imaqtkatt/icecream
[INFO] tweaked toml for git repo https://github.com/imaqtkatt/icecream written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imaqtkatt/icecream on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imaqtkatt/icecream 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miette-derive v7.4.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded miette v7.4.0
[INFO] [stderr]   Downloaded textwrap v0.16.1
[INFO] [stderr]   Downloaded terminal_size v0.4.1
[INFO] [stderr]   Downloaded rustix v0.38.43
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5e5efc8685e8f36a3b012d202a5c493ccd33cb90f48c6afe697ed0ab13b86b9
[INFO] running `Command { std: "docker" "start" "-a" "d5e5efc8685e8f36a3b012d202a5c493ccd33cb90f48c6afe697ed0ab13b86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e5efc8685e8f36a3b012d202a5c493ccd33cb90f48c6afe697ed0ab13b86b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e5efc8685e8f36a3b012d202a5c493ccd33cb90f48c6afe697ed0ab13b86b9", kill_on_drop: false }`
[INFO] [stdout] d5e5efc8685e8f36a3b012d202a5c493ccd33cb90f48c6afe697ed0ab13b86b9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147e62cfbc66e38b377872eedbf0dde43921ca7bfbe03921688ff5ab70f1a8a7
[INFO] running `Command { std: "docker" "start" "-a" "147e62cfbc66e38b377872eedbf0dde43921ca7bfbe03921688ff5ab70f1a8a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling terminal_size v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling miette-derive v7.4.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling miette v7.4.0
[INFO] [stderr]    Compiling icecream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 547 |         Continuation::Continue
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/syntax.rs:62:26
[INFO] [stdout]    |
[INFO] [stdout] 62 |       SyntaxKind::Object(vec) => todo!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/vm.rs:538:27
[INFO] [stdout]     |
[INFO] [stdout] 538 |       Bytecode::NewObject(len) => {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `captures` is never used
[INFO] [stdout]   --> src/closure_conversion.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ScopeContext {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/vm.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Self(unsafe { std::mem::transmute(float) })
[INFO] [stdout]     |                   -------------------^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Constant>`
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(&(*self.prototype).proto.constant_pool)[idx] }
[INFO] [stdout]     |               ++                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(&(*self.prototype).proto).constant_pool[idx] }
[INFO] [stdout]     |               ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Bytecode>`
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (&(*self.prototype).proto.code)[self.ip] };
[INFO] [stdout]     |                             ++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^--------------^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (&(*self.prototype).proto).code[self.ip] };
[INFO] [stdout]     |                             ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^--------------^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Rc<Prototype>>`
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(&(*self.prototype).proto.prototypes)[idx] };
[INFO] [stdout]     |                                ++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^--------------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(&(*self.prototype).proto).prototypes[idx] };
[INFO] [stdout]     |                                ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:615:43
[INFO] [stdout]     |
[INFO] [stdout] 615 |                   sal.push_frame(unsafe { (*partial).proto.locals as usize });
[INFO] [stdout]     |                                           ^^-------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this raw pointer has type `*mut Partial`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 615 |                   sal.push_frame(unsafe { (&(*partial).proto).locals as usize });
[INFO] [stdout]     |                                           ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:641:39
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let locals_len = unsafe { (*closure).proto.locals as usize };
[INFO] [stdout]     |                                       ^^-------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let locals_len = unsafe { (&(*closure).proto).locals as usize };
[INFO] [stdout]     |                                       ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:642:34
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let arity = unsafe { (*closure).proto.arity };
[INFO] [stdout]     |                                  ^^-------^^^^^^^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let arity = unsafe { (&(*closure).proto).arity };
[INFO] [stdout]     |                                  ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/syntax.rs:62:26
[INFO] [stdout]    |
[INFO] [stdout] 62 |       SyntaxKind::Object(vec) => todo!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnboundVariable` is never constructed
[INFO] [stdout]   --> src/closure_conversion.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct UnboundVariable {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scope` is never constructed
[INFO] [stdout]   --> src/closure_conversion.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Scope {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScopeContext` is never constructed
[INFO] [stdout]   --> src/closure_conversion.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct ScopeContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `captures`, `new`, `new_name`, `define`, and `resolve` are never used
[INFO] [stdout]   --> src/closure_conversion.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ScopeContext {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 40 |   pub fn empty() -> Rc<Self> {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |   fn new(outer: &Rc<Self>) -> Rc<Self> {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |   fn new_name(&self, name: Name) -> usize {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |   fn define(&self, name: &Name) -> usize {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   fn resolve(self: &Rc<Self>, name: &Name) -> Option<usize> {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClosedLambdaExt` is never constructed
[INFO] [stdout]    --> src/closure_conversion.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct ClosedLambdaExt {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ClosedLambda` is never used
[INFO] [stdout]    --> src/closure_conversion.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub type ClosedLambda = Syntax<usize, ClosedLambdaExt>;
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_close_lambdas` is never used
[INFO] [stdout]    --> src/closure_conversion.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub fn run_close_lambdas(tree: ExpandedTree) -> miette::Result<(ClosedLambda, Scope)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_lambda` is never used
[INFO] [stdout]    --> src/closure_conversion.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn close_lambda(tree: ExpandedTree, scope: &Rc<ScopeContext>) -> miette::Result<ClosedLambda> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.09s
[INFO] running `Command { std: "docker" "inspect" "147e62cfbc66e38b377872eedbf0dde43921ca7bfbe03921688ff5ab70f1a8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147e62cfbc66e38b377872eedbf0dde43921ca7bfbe03921688ff5ab70f1a8a7", kill_on_drop: false }`
[INFO] [stdout] 147e62cfbc66e38b377872eedbf0dde43921ca7bfbe03921688ff5ab70f1a8a7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf733d2a33c60e0338e3041f4d06cf5a6d7c34cdc3d0ef4300eeb3b307f33821
[INFO] running `Command { std: "docker" "start" "-a" "cf733d2a33c60e0338e3041f4d06cf5a6d7c34cdc3d0ef4300eeb3b307f33821", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 547 |         Continuation::Continue
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/syntax.rs:62:26
[INFO] [stdout]    |
[INFO] [stdout] 62 |       SyntaxKind::Object(vec) => todo!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/vm.rs:538:27
[INFO] [stdout]     |
[INFO] [stdout] 538 |       Bytecode::NewObject(len) => {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `captures` is never used
[INFO] [stdout]   --> src/closure_conversion.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ScopeContext {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/vm.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Self(unsafe { std::mem::transmute(float) })
[INFO] [stdout]     |                   -------------------^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Constant>`
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(&(*self.prototype).proto.constant_pool)[idx] }
[INFO] [stdout]     |               ++                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(&(*self.prototype).proto).constant_pool[idx] }
[INFO] [stdout]     |               ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Bytecode>`
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (&(*self.prototype).proto.code)[self.ip] };
[INFO] [stdout]     |                             ++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^--------------^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (&(*self.prototype).proto).code[self.ip] };
[INFO] [stdout]     |                             ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^--------------^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Rc<Prototype>>`
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(&(*self.prototype).proto.prototypes)[idx] };
[INFO] [stdout]     |                                ++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^--------------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(&(*self.prototype).proto).prototypes[idx] };
[INFO] [stdout]     |                                ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:615:43
[INFO] [stdout]     |
[INFO] [stdout] 615 |                   sal.push_frame(unsafe { (*partial).proto.locals as usize });
[INFO] [stdout]     |                                           ^^-------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this raw pointer has type `*mut Partial`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 615 |                   sal.push_frame(unsafe { (&(*partial).proto).locals as usize });
[INFO] [stdout]     |                                           ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:641:39
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let locals_len = unsafe { (*closure).proto.locals as usize };
[INFO] [stdout]     |                                       ^^-------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let locals_len = unsafe { (&(*closure).proto).locals as usize };
[INFO] [stdout]     |                                       ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling icecream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:642:34
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let arity = unsafe { (*closure).proto.arity };
[INFO] [stdout]     |                                  ^^-------^^^^^^^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let arity = unsafe { (&(*closure).proto).arity };
[INFO] [stdout]     |                                  ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:547:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         todo!();
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 547 |         Continuation::Continue
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/syntax.rs:62:26
[INFO] [stdout]    |
[INFO] [stdout] 62 |       SyntaxKind::Object(vec) => todo!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/syntax.rs:62:26
[INFO] [stdout]    |
[INFO] [stdout] 62 |       SyntaxKind::Object(vec) => todo!(),
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locals` is never read
[INFO] [stdout]   --> src/closure_conversion.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Scope {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 17 |   pub locals: Vec<usize>,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scope` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `captures` is never used
[INFO] [stdout]   --> src/closure_conversion.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ScopeContext {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]    --> src/closure_conversion.rs:103:7
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub struct ClosedLambdaExt {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 103 |   pub scope: Scope,
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClosedLambdaExt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/vm.rs:538:27
[INFO] [stdout]     |
[INFO] [stdout] 538 |       Bytecode::NewObject(len) => {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `captures` is never used
[INFO] [stdout]   --> src/closure_conversion.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl ScopeContext {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/vm.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Self(unsafe { std::mem::transmute(float) })
[INFO] [stdout]     |                   -------------------^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: replace this with: `f64::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Constant>`
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(&(*self.prototype).proto.constant_pool)[idx] }
[INFO] [stdout]     |               ++                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stdout]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 442 |     unsafe { &(&(*self.prototype).proto).constant_pool[idx] }
[INFO] [stdout]     |               ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Bytecode>`
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (&(*self.prototype).proto.code)[self.ip] };
[INFO] [stdout]     |                             ++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:447:29
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stdout]     |                             ^^--------------^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 447 |     let bytecode = unsafe { (&(*self.prototype).proto).code[self.ip] };
[INFO] [stdout]     |                             ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^--------------^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<Rc<Prototype>>`
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(&(*self.prototype).proto.prototypes)[idx] };
[INFO] [stdout]     |                                ++                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:521:32
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stdout]     |                                ^^--------------^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let lambda = unsafe { &(&(*self.prototype).proto).prototypes[idx] };
[INFO] [stdout]     |                                ++                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:615:43
[INFO] [stdout]     |
[INFO] [stdout] 615 |                   sal.push_frame(unsafe { (*partial).proto.locals as usize });
[INFO] [stdout]     |                                           ^^-------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             this raw pointer has type `*mut Partial`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 615 |                   sal.push_frame(unsafe { (&(*partial).proto).locals as usize });
[INFO] [stdout]     |                                           ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:641:39
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let locals_len = unsafe { (*closure).proto.locals as usize };
[INFO] [stdout]     |                                       ^^-------^^^^^^^^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 641 |             let locals_len = unsafe { (&(*closure).proto).locals as usize };
[INFO] [stdout]     |                                       ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/vm.rs:642:34
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let arity = unsafe { (*closure).proto.arity };
[INFO] [stdout]     |                                  ^^-------^^^^^^^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    this raw pointer has type `*const Closure`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let arity = unsafe { (&(*closure).proto).arity };
[INFO] [stdout]     |                                  ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "cf733d2a33c60e0338e3041f4d06cf5a6d7c34cdc3d0ef4300eeb3b307f33821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf733d2a33c60e0338e3041f4d06cf5a6d7c34cdc3d0ef4300eeb3b307f33821", kill_on_drop: false }`
[INFO] [stdout] cf733d2a33c60e0338e3041f4d06cf5a6d7c34cdc3d0ef4300eeb3b307f33821
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7830aab857a75b7b0891bf8976a38c5fcfd74babf5184eaa598f7cd2051a7e03
[INFO] running `Command { std: "docker" "start" "-a" "7830aab857a75b7b0891bf8976a38c5fcfd74babf5184eaa598f7cd2051a7e03", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/vm.rs:547:9
[INFO] [stderr]     |
[INFO] [stderr] 539 |         todo!();
[INFO] [stderr]     |         ------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 547 |         Continuation::Continue
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> src/syntax.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |       SyntaxKind::Object(vec) => todo!(),
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]    --> src/vm.rs:538:27
[INFO] [stderr]     |
[INFO] [stderr] 538 |       Bytecode::NewObject(len) => {
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: method `captures` is never used
[INFO] [stderr]   --> src/closure_conversion.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl ScopeContext {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/vm.rs:118:19
[INFO] [stderr]     |
[INFO] [stderr] 118 |     Self(unsafe { std::mem::transmute(float) })
[INFO] [stderr]     |                   -------------------^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: replace this with: `f64::to_bits`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:442:15
[INFO] [stderr]     |
[INFO] [stderr] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stderr]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&Vec<Constant>`
[INFO] [stderr]    --> src/vm.rs:442:15
[INFO] [stderr]     |
[INFO] [stderr] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 442 |     unsafe { &(&(*self.prototype).proto.constant_pool)[idx] }
[INFO] [stderr]     |               ++                                     +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:442:15
[INFO] [stderr]     |
[INFO] [stderr] 442 |     unsafe { &(*self.prototype).proto.constant_pool[idx] }
[INFO] [stderr]     |               ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 442 |     unsafe { &(&(*self.prototype).proto).constant_pool[idx] }
[INFO] [stderr]     |               ++                       +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:447:29
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stderr]     |                             ^^--------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&Vec<Bytecode>`
[INFO] [stderr]    --> src/vm.rs:447:29
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let bytecode = unsafe { (&(*self.prototype).proto.code)[self.ip] };
[INFO] [stderr]     |                             ++                            +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:447:29
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let bytecode = unsafe { (*self.prototype).proto.code[self.ip] };
[INFO] [stderr]     |                             ^^--------------^^^^^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let bytecode = unsafe { (&(*self.prototype).proto).code[self.ip] };
[INFO] [stderr]     |                             ++                       +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:521:32
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stderr]     |                                ^^--------------^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&Vec<Rc<Prototype>>`
[INFO] [stderr]    --> src/vm.rs:521:32
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let lambda = unsafe { &(&(*self.prototype).proto.prototypes)[idx] };
[INFO] [stderr]     |                                ++                                  +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:521:32
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let lambda = unsafe { &(*self.prototype).proto.prototypes[idx] };
[INFO] [stderr]     |                                ^^--------------^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 521 |         let lambda = unsafe { &(&(*self.prototype).proto).prototypes[idx] };
[INFO] [stderr]     |                                ++                       +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:615:43
[INFO] [stderr]     |
[INFO] [stderr] 615 |                   sal.push_frame(unsafe { (*partial).proto.locals as usize });
[INFO] [stderr]     |                                           ^^-------^^^^^^^^^^^^^^
[INFO] [stderr]     |                                             |
[INFO] [stderr]     |                                             this raw pointer has type `*mut Partial`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 615 |                   sal.push_frame(unsafe { (&(*partial).proto).locals as usize });
[INFO] [stderr]     |                                           ++                +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:641:39
[INFO] [stderr]     |
[INFO] [stderr] 641 |             let locals_len = unsafe { (*closure).proto.locals as usize };
[INFO] [stderr]     |                                       ^^-------^^^^^^^^^^^^^^
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 641 |             let locals_len = unsafe { (&(*closure).proto).locals as usize };
[INFO] [stderr]     |                                       ++                +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/vm.rs:642:34
[INFO] [stderr]     |
[INFO] [stderr] 642 |             let arity = unsafe { (*closure).proto.arity };
[INFO] [stderr]     |                                  ^^-------^^^^^^^^^^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    this raw pointer has type `*const Closure`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr]     = note: references are created through calls to explicit `Deref(Mut)::deref(_mut)` implementations
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 642 |             let arity = unsafe { (&(*closure).proto).arity };
[INFO] [stderr]     |                                  ++                +
[INFO] [stderr] 
[INFO] [stderr] warning: `icecream` (lib) generated 14 warnings (run `cargo fix --lib -p icecream` to apply 1 suggestion)
[INFO] [stderr] warning: `icecream` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: field `locals` is never read
[INFO] [stderr]   --> src/closure_conversion.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Scope {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 17 |   pub locals: Vec<usize>,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Scope` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `captures` is never used
[INFO] [stderr]   --> src/closure_conversion.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl ScopeContext {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 48 |   fn captures(self: Rc<Self>) -> (Vec<usize>, Vec<usize>) {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `scope` is never read
[INFO] [stderr]    --> src/closure_conversion.rs:103:7
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub struct ClosedLambdaExt {
[INFO] [stderr]     |            --------------- field in this struct
[INFO] [stderr] 103 |   pub scope: Scope,
[INFO] [stderr]     |       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ClosedLambdaExt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `icecream` (bin "icecream" test) generated 4 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/icecream-b98730aa5786f228)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test bytecode::test::test_bytecode ... ok
[INFO] [stdout] test closure_conversion::test::test_scope2 ... ok
[INFO] [stdout] test lexer::test::lexer_test ... ok
[INFO] [stdout] test parser::test::parser_test ... ok
[INFO] [stdout] test syntax::test::syntax_test ... ok
[INFO] [stdout] test vm::test::test_stack_and_locals ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test closure_conversion::test::test_scope ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- closure_conversion::test::test_scope stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'closure_conversion::test::test_scope' panicked at src/closure_conversion.rs:231:69:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: 
[INFO] [stdout]   × unbound variable 'y'
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x572eacd98cb2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x572eacd98cb2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x572eacd98cb2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x572eacd98cb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x572eacdbffb3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x572eacdbffb3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x572eacd95b53 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x572eacd95b53 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x572eacd98b02 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x572eacd9a229 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x572eacd9a05e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x572eaccdd164 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x572eaccdd164 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x572eacd9abfe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x572eacd9abfe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x572eacd9a9ca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x572eacd991a9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x572eacd9a65d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x572eacdbe5c0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x572eacdbea86 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x572eacc94a49 - core::result::Result<T,E>::unwrap::hee3971baca19c4c0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x572eacc94a49 - icecream::closure_conversion::test::test_scope::h7771a3afe7325a2f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/closure_conversion.rs:231:69
[INFO] [stdout]   22:     0x572eacc947e7 - icecream::closure_conversion::test::test_scope::{{closure}}::h2ea4e2e26f958bef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/closure_conversion.rs:219:18
[INFO] [stdout]   23:     0x572eacc59876 - core::ops::function::FnOnce::call_once::hb8b4477fcb35e6b6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x572eacce29cb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x572eacce29cb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x572eacce1b05 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x572eacce1b05 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x572eacce1b05 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x572eacce1b05 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x572eacce1b05 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x572eacce1b05 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x572eacce1b05 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x572eacca5704 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x572eacca5704 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x572eacca90da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x572eacca90da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x572eacca90da - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x572eacca90da - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x572eacca90da - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x572eacca90da - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x572eacca90da - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x572eacd9db7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x572eacd9db7f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x76da76329aa4 - <unknown>
[INFO] [stdout]   45:     0x76da763b6a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     closure_conversion::test::test_scope
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7830aab857a75b7b0891bf8976a38c5fcfd74babf5184eaa598f7cd2051a7e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7830aab857a75b7b0891bf8976a38c5fcfd74babf5184eaa598f7cd2051a7e03", kill_on_drop: false }`
[INFO] [stdout] 7830aab857a75b7b0891bf8976a38c5fcfd74babf5184eaa598f7cd2051a7e03
