[INFO] cloning repository https://github.com/fkz/lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkz/lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkz%2Flambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkz%2Flambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 740df7f54bfbdc8de3c3139a54fc9cde7202cd34
[INFO] documenting fkz/lambda against 1.83.0 for beta-rustdoc-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkz%2Flambda" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkz/lambda on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fkz/lambda
[INFO] finished tweaking git repo https://github.com/fkz/lambda
[INFO] tweaked toml for git repo https://github.com/fkz/lambda written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fkz/lambda 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debugid v0.8.0
[INFO] [stderr]   Downloaded cpp_demangle v0.4.3
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded criterion-cycles-per-byte v0.6.0
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded anstyle v1.0.6
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded half v2.4.0
[INFO] [stderr]   Downloaded num-format v0.4.4
[INFO] [stderr]   Downloaded clap v4.5.1
[INFO] [stderr]   Downloaded inferno v0.11.19
[INFO] [stderr]   Downloaded clap_builder v4.5.1
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] [stderr]   Downloaded symbolic-common v12.8.0
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded zerocopy v0.7.32
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded symbolic-demangle v12.8.0
[INFO] [stderr]   Downloaded pprof v0.13.0
[INFO] [stderr]   Downloaded bytemuck v1.14.3
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded uuid v1.7.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.19
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.32
[INFO] [stderr]   Downloaded ahash v0.8.10
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded winapi-util v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0722835224e7476fdeed89789dc024c03f8ed9a258583e089ee7dc9536b65e
[INFO] running `Command { std: "docker" "start" "-a" "0f0722835224e7476fdeed89789dc024c03f8ed9a258583e089ee7dc9536b65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0722835224e7476fdeed89789dc024c03f8ed9a258583e089ee7dc9536b65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0722835224e7476fdeed89789dc024c03f8ed9a258583e089ee7dc9536b65e", kill_on_drop: false }`
[INFO] [stdout] 0f0722835224e7476fdeed89789dc024c03f8ed9a258583e089ee7dc9536b65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a078e41c0905aeabef53f64503478909765a818d7374de5967fffefed3878818
[INFO] running `Command { std: "docker" "start" "-a" "a078e41c0905aeabef53f64503478909765a818d7374de5967fffefed3878818", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking criterion-cycles-per-byte v0.6.0
[INFO] [stderr]     Checking lambda_calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting lambda_calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cell`, `UnsafeCell`, `marker::PhantomData`, and `os::raw::c_void`
[INFO] [stdout]  --> src/gc_mem.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::{Cell, UnsafeCell},
[INFO] [stdout]   |            ^^^^  ^^^^^^^^^^
[INFO] [stdout] 3 |     marker::PhantomData,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     os::raw::c_void,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cell` and `Ref`
[INFO] [stdout]    --> src/gc_mem.rs:107:16
[INFO] [stdout]     |
[INFO] [stdout] 107 |         cell::{Cell, Ref, RefCell, UnsafeCell},
[INFO] [stdout]     |                ^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
[INFO] [stdout]    --> src/gc_mem.rs:487:53
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn to_vec<'a>(&mut self) -> Vec<(Self::ShortBox<'a>, T)>;
[INFO] [stdout]     |                   - the late bound lifetime parameter is introduced here
[INFO] [stdout] ...
[INFO] [stdout] 487 |         let mut to_do = self.replace_to_do.to_vec::<'a>();
[INFO] [stdout]     |                                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>
[INFO] [stdout]     = note: `#[warn(late_bound_lifetime_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
[INFO] [stdout]    --> src/gc_mem.rs:580:62
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn replace<'a>(
[INFO] [stdout]     |                -- the late bound lifetime parameter is introduced here
[INFO] [stdout] ...
[INFO] [stdout] 580 |                     self.current = a.to_long(&self.replace::<'a>(a, p, a.to_short(&app)));
[INFO] [stdout]     |                                                              ^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner`
[INFO] [stdout]    --> src/direct_executor.rs:231:40
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 r @ Program::Reference(inner) => r,
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_inner`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/direct_executor.rs:241:36
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 Program::Reference(p) => (),
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/gc_mem.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             unsafe {
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc_mem.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let mut b = unsafe { &mut *self.memory.get() };
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc_mem.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |             let mut b = unsafe { &mut *self.memory.get() };
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc_mem.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |             let mut b = unsafe { &mut *self.memory.get() };
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/gc_mem.rs:370:57
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 if let super::Program::InternalReplaced(v) = next {
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc_mem.rs:338:17
[INFO] [stdout]     |
[INFO] [stdout] 338 |             let mut other = self.other.get_mut();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc_mem.rs:529:13
[INFO] [stdout]     |
[INFO] [stdout] 529 |         let mut f = f;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/gc_mem.rs:678:35
[INFO] [stdout]     |
[INFO] [stdout] 678 |         Program::InternalReplaced(x) => panic!("Internal error"),
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `direct_executor::Program` is more private than the item `direct_executor::Executor::from_mem_rep`
[INFO] [stdout]    --> src/direct_executor.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn from_mem_rep(&mut self, program: &super::memory_representation::Program) -> Program {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `direct_executor::Executor::from_mem_rep` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `direct_executor::Program` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/direct_executor.rs:25:1
[INFO] [stdout]     |
[INFO] [stdout] 25  | enum Program {
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `direct_executor::Program` is more private than the item `direct_executor::Executor::to_mem_rep`
[INFO] [stdout]    --> src/direct_executor.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn to_mem_rep(&self, p: Program) -> super::memory_representation::Program {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `direct_executor::Executor::to_mem_rep` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `direct_executor::Program` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/direct_executor.rs:25:1
[INFO] [stdout]     |
[INFO] [stdout] 25  | enum Program {
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `direct_executor::Program` is more private than the item `direct_executor::Executor::initialize`
[INFO] [stdout]    --> src/direct_executor.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn initialize(&mut self, p: Program) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `direct_executor::Executor::initialize` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `direct_executor::Program` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/direct_executor.rs:25:1
[INFO] [stdout]     |
[INFO] [stdout] 25  | enum Program {
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `KeepVecTrait<T>` is more private than the item `gc_mem::Allocator::KeepVec`
[INFO] [stdout]   --> src/gc_mem.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     type KeepVec<T>: for<'a> KeepVecTrait<T, ShortBox<'a> = Self::ShortBox<'a>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `gc_mem::Allocator::KeepVec` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `KeepVecTrait<T>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/gc_mem.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | trait KeepVecTrait<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/gc_mem.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub struct LongBox<A: super::Allocator<LongBox = LongBox<A>>> {
[INFO] [stdout]     |                ------- field in this struct
[INFO] [stdout] 168 |         value: u32,
[INFO] [stdout] 169 |         a: A::Ref,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/human_readable.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidCode(&'static str),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidCode(()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/human_readable.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeVariables(u64),
[INFO] [stdout]    |     ------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 |     FreeVariables(()),
[INFO] [stdout]    |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/gc_mem.rs:309:38
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let allocator = unsafe { &ALLOCATOR };
[INFO] [stdout]     |                                      ^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw const` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let allocator = unsafe { &raw const ALLOCATOR };
[INFO] [stdout]     |                                      ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/gc_mem.rs:417:25
[INFO] [stdout]     |
[INFO] [stdout] 417 |                 let _ = ALLOCATOR.memory.get_mut().try_reserve_exact(4096);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/gc_mem.rs:418:17
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 &mut ALLOCATOR
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 &raw mut ALLOCATOR
[INFO] [stdout]     |                 ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.01s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lambda_calculus/index.html and 1 other file
[INFO] running `Command { std: "docker" "inspect" "a078e41c0905aeabef53f64503478909765a818d7374de5967fffefed3878818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a078e41c0905aeabef53f64503478909765a818d7374de5967fffefed3878818", kill_on_drop: false }`
[INFO] [stdout] a078e41c0905aeabef53f64503478909765a818d7374de5967fffefed3878818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b8449544b0110e163d6f8acd9042b439e3d6ea1da421f39784b9e218d1b99a7
[INFO] running `Command { std: "docker" "start" "-a" "1b8449544b0110e163d6f8acd9042b439e3d6ea1da421f39784b9e218d1b99a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking criterion-cycles-per-byte v0.6.0
[INFO] [stderr]  Documenting lambda_calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.55s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lambda_calculus/index.html
[INFO] running `Command { std: "docker" "inspect" "1b8449544b0110e163d6f8acd9042b439e3d6ea1da421f39784b9e218d1b99a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8449544b0110e163d6f8acd9042b439e3d6ea1da421f39784b9e218d1b99a7", kill_on_drop: false }`
[INFO] [stdout] 1b8449544b0110e163d6f8acd9042b439e3d6ea1da421f39784b9e218d1b99a7
