[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] testing fkz/lambda against 1.90.0 for beta-1.91-2
[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] 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] validating manifest of git repo https://github.com/fkz/lambda 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/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" "+1.90.0" "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 plotters-svg v0.3.5
[INFO] [stderr]   Downloaded criterion-cycles-per-byte v0.6.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded memmap2 v0.9.4
[INFO] [stderr]   Downloaded ahash v0.8.10
[INFO] [stderr]   Downloaded half v2.4.0
[INFO] [stderr]   Downloaded cpp_demangle v0.4.3
[INFO] [stderr]   Downloaded symbolic-common v12.8.0
[INFO] [stderr]   Downloaded inferno v0.11.19
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded symbolic-demangle v12.8.0
[INFO] [stderr]   Downloaded rayon v1.9.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8e6c8f50af24edd493bb501f805a6ec3fae1dca995952f744c1e78fd04bd340
[INFO] running `Command { std: "docker" "start" "-a" "b8e6c8f50af24edd493bb501f805a6ec3fae1dca995952f744c1e78fd04bd340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e6c8f50af24edd493bb501f805a6ec3fae1dca995952f744c1e78fd04bd340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e6c8f50af24edd493bb501f805a6ec3fae1dca995952f744c1e78fd04bd340", kill_on_drop: false }`
[INFO] [stdout] b8e6c8f50af24edd493bb501f805a6ec3fae1dca995952f744c1e78fd04bd340
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0e3f76843f346128eab0f40a11037e04d639ba42509be4e6b4cec0ad7fb859
[INFO] running `Command { std: "docker" "start" "-a" "6f0e3f76843f346128eab0f40a11037e04d639ba42509be4e6b4cec0ad7fb859", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling clap_builder v4.5.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling criterion-cycles-per-byte v0.6.0
[INFO] [stderr]    Compiling 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(&'static str),
[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(u64),
[INFO] [stdout] 15 +     FreeVariables(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compare.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator {
[INFO] [stdout]    |                     ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[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/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
[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/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
[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/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 29.07s
[INFO] running `Command { std: "docker" "inspect" "6f0e3f76843f346128eab0f40a11037e04d639ba42509be4e6b4cec0ad7fb859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0e3f76843f346128eab0f40a11037e04d639ba42509be4e6b4cec0ad7fb859", kill_on_drop: false }`
[INFO] [stdout] 6f0e3f76843f346128eab0f40a11037e04d639ba42509be4e6b4cec0ad7fb859
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c25436eeea5bcc4b5e3ef9a4ddaf12dd356c1d15a126186348eb2e35fd0c518
[INFO] running `Command { std: "docker" "start" "-a" "7c25436eeea5bcc4b5e3ef9a4ddaf12dd356c1d15a126186348eb2e35fd0c518", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling symbolic-demangle v12.8.0
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling ahash v0.8.10
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rgb v0.8.37
[INFO] [stderr]    Compiling pprof v0.13.0
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling iai v0.1.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling symbolic-common v12.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling inferno v0.11.19
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling criterion-cycles-per-byte v0.6.0
[INFO] [stderr]    Compiling 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(&'static str),
[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(u64),
[INFO] [stdout] 15 +     FreeVariables(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compare.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator {
[INFO] [stdout]    |                     ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[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/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
[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/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
[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/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] [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: unused variable: `c`
[INFO] [stdout]    --> src/gc_mem.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |         let c = alloc.new(&lambda);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/gc_mem.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let b = alloc.to_long(&a);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[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(&'static str),
[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(u64),
[INFO] [stdout] 15 +     FreeVariables(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/compare.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator {
[INFO] [stdout]    |                     ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[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/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
[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/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
[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/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 `test` profile [unoptimized + debuginfo] target(s) in 32.80s
[INFO] running `Command { std: "docker" "inspect" "7c25436eeea5bcc4b5e3ef9a4ddaf12dd356c1d15a126186348eb2e35fd0c518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c25436eeea5bcc4b5e3ef9a4ddaf12dd356c1d15a126186348eb2e35fd0c518", kill_on_drop: false }`
[INFO] [stdout] 7c25436eeea5bcc4b5e3ef9a4ddaf12dd356c1d15a126186348eb2e35fd0c518
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5296f77680cf7f64074d50f4200d77b7cae77648fc190561f9e423c2eaef1ea4
[INFO] running `Command { std: "docker" "start" "-a" "5296f77680cf7f64074d50f4200d77b7cae77648fc190561f9e423c2eaef1ea4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused imports: `Cell`, `UnsafeCell`, `marker::PhantomData`, and `os::raw::c_void`
[INFO] [stderr]  --> src/gc_mem.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cell::{Cell, UnsafeCell},
[INFO] [stderr]   |            ^^^^  ^^^^^^^^^^
[INFO] [stderr] 3 |     marker::PhantomData,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     os::raw::c_void,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cell` and `Ref`
[INFO] [stderr]    --> src/gc_mem.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |         cell::{Cell, Ref, RefCell, UnsafeCell},
[INFO] [stderr]     |                ^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
[INFO] [stderr]    --> src/gc_mem.rs:487:53
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn to_vec<'a>(&mut self) -> Vec<(Self::ShortBox<'a>, T)>;
[INFO] [stderr]     |                   - the late bound lifetime parameter is introduced here
[INFO] [stderr] ...
[INFO] [stderr] 487 |         let mut to_do = self.replace_to_do.to_vec::<'a>();
[INFO] [stderr]     |                                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>
[INFO] [stderr]     = note: `#[warn(late_bound_lifetime_arguments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
[INFO] [stderr]    --> src/gc_mem.rs:580:62
[INFO] [stderr]     |
[INFO] [stderr] 481 |     fn replace<'a>(
[INFO] [stderr]     |                -- the late bound lifetime parameter is introduced here
[INFO] [stderr] ...
[INFO] [stderr] 580 |                     self.current = a.to_long(&self.replace::<'a>(a, p, a.to_short(&app)));
[INFO] [stderr]     |                                                              ^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inner`
[INFO] [stderr]    --> src/direct_executor.rs:231:40
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 r @ Program::Reference(inner) => r,
[INFO] [stderr]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_inner`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/direct_executor.rs:241:36
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 Program::Reference(p) => (),
[INFO] [stderr]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/gc_mem.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |             unsafe {
[INFO] [stderr]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gc_mem.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let mut b = unsafe { &mut *self.memory.get() };
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gc_mem.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |             let mut b = unsafe { &mut *self.memory.get() };
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gc_mem.rs:262:17
[INFO] [stderr]     |
[INFO] [stderr] 262 |             let mut b = unsafe { &mut *self.memory.get() };
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/gc_mem.rs:370:57
[INFO] [stderr]     |
[INFO] [stderr] 370 |                 if let super::Program::InternalReplaced(v) = next {
[INFO] [stderr]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gc_mem.rs:338:17
[INFO] [stderr]     |
[INFO] [stderr] 338 |             let mut other = self.other.get_mut();
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/gc_mem.rs:529:13
[INFO] [stderr]     |
[INFO] [stderr] 529 |         let mut f = f;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/gc_mem.rs:678:35
[INFO] [stderr]     |
[INFO] [stderr] 678 |         Program::InternalReplaced(x) => panic!("Internal error"),
[INFO] [stderr]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: type `direct_executor::Program` is more private than the item `direct_executor::Executor::from_mem_rep`
[INFO] [stderr]    --> src/direct_executor.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn from_mem_rep(&mut self, program: &super::memory_representation::Program) -> Program {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `direct_executor::Executor::from_mem_rep` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `direct_executor::Program` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/direct_executor.rs:25:1
[INFO] [stderr]     |
[INFO] [stderr]  25 | enum Program {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `direct_executor::Program` is more private than the item `direct_executor::Executor::to_mem_rep`
[INFO] [stderr]    --> src/direct_executor.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn to_mem_rep(&self, p: Program) -> super::memory_representation::Program {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `direct_executor::Executor::to_mem_rep` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `direct_executor::Program` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/direct_executor.rs:25:1
[INFO] [stderr]     |
[INFO] [stderr]  25 | enum Program {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `direct_executor::Program` is more private than the item `direct_executor::Executor::initialize`
[INFO] [stderr]    --> src/direct_executor.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn initialize(&mut self, p: Program) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `direct_executor::Executor::initialize` is reachable at visibility `pub(crate)`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `direct_executor::Program` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/direct_executor.rs:25:1
[INFO] [stderr]     |
[INFO] [stderr]  25 | enum Program {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `KeepVecTrait<T>` is more private than the item `gc_mem::Allocator::KeepVec`
[INFO] [stderr]   --> src/gc_mem.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     type KeepVec<T>: for<'a> KeepVecTrait<T, ShortBox<'a> = Self::ShortBox<'a>>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated type `gc_mem::Allocator::KeepVec` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but trait `KeepVecTrait<T>` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/gc_mem.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | trait KeepVecTrait<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `a` is never read
[INFO] [stderr]    --> src/gc_mem.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub struct LongBox<A: super::Allocator<LongBox = LongBox<A>>> {
[INFO] [stderr]     |                ------- field in this struct
[INFO] [stderr] 168 |         value: u32,
[INFO] [stderr] 169 |         a: A::Ref,
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/human_readable.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |     InvalidCode(&'static str),
[INFO] [stderr]    |     ----------- ^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 14 -     InvalidCode(&'static str),
[INFO] [stderr] 14 +     InvalidCode(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/human_readable.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     FreeVariables(u64),
[INFO] [stderr]    |     ------------- ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 15 -     FreeVariables(u64),
[INFO] [stderr] 15 +     FreeVariables(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/compare.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator {
[INFO] [stderr]    |                     ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn prog_iter(a: &[u8]) -> ProgIterator<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]    --> src/gc_mem.rs:309:38
[INFO] [stderr]     |
[INFO] [stderr] 309 |             let allocator = unsafe { &ALLOCATOR };
[INFO] [stderr]     |                                      ^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]     = 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] [stderr]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] help: use `&raw const` instead to create a raw pointer
[INFO] [stderr]     |
[INFO] [stderr] 309 |             let allocator = unsafe { &raw const ALLOCATOR };
[INFO] [stderr]     |                                       +++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]    --> src/gc_mem.rs:417:25
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 let _ = ALLOCATOR.memory.get_mut().try_reserve_exact(4096);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]     = 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] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]    --> src/gc_mem.rs:418:17
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 &mut ALLOCATOR
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]     = 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] [stderr] help: use `&raw mut` instead to create a raw pointer
[INFO] [stderr]     |
[INFO] [stderr] 418 |                 &raw mut ALLOCATOR
[INFO] [stderr]     |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda_calculus` (lib) generated 25 warnings (run `cargo fix --lib -p lambda_calculus` to apply 7 suggestions)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/gc_mem.rs:431:13
[INFO] [stderr]     |
[INFO] [stderr] 431 |         let c = alloc.new(&lambda);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/gc_mem.rs:433:13
[INFO] [stderr]     |
[INFO] [stderr] 433 |         let b = alloc.to_long(&a);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda_calculus` (lib test) generated 27 warnings (25 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lambda_calculus-8932600821e805fe)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test program::flags::tests::initial ... ok
[INFO] [stdout] test example_interact_programs::tests::test_hello_world ... ok
[INFO] [stdout] test program::flags::tests::extend_eq_shrink ... ok
[INFO] [stdout] test gc_mem::test ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- gc_mem::test stdout ----
[INFO] [stdout] After garbage collection, keeping  0% (0 from 3 boxes); out of 0 roots
[INFO] [stdout] 
[INFO] [stdout] thread 'gc_mem::test' panicked at src/gc_mem.rs:441:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c405006d072 - 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:     0x5c405006d072 - 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:     0x5c405006d072 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c405006d072 - <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:     0x5c40500928f3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c40500928f3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c4050069ff3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c4050069ff3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c405006cec2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c405006e5e9 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5c405006e41e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5c40500369f4 - <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:     0x5c40500369f4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c405006efbe - <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:     0x5c405006efbe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5c405006ed8a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5c405006d569 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c405006ea1d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5c4050090db0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c4050091103 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5c405004fc7c - core::panicking::assert_failed::h34230adf88934ee5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5c404fffc888 - lambda_calculus::gc_mem::test::hec6d83bae39a6b3d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/gc_mem.rs:441:5
[INFO] [stdout]   22:     0x5c404fffc797 - lambda_calculus::gc_mem::test::{{closure}}::hf9b717cac7793963
[INFO] [stdout]                                at /opt/rustwide/workdir/src/gc_mem.rs:425:10
[INFO] [stdout]   23:     0x5c404fff6696 - core::ops::function::FnOnce::call_once::h8bdfc17ee146d9f9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5c405003c25b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5c405003c25b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5c405003b395 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5c405003b395 - <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:     0x5c405003b395 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5c405003b395 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5c405003b395 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c405003b395 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5c405003b395 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5c404fffef94 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5c404fffef94 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5c405000296a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5c405000296a - <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:     0x5c405000296a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5c405000296a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5c405000296a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c405000296a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5c405000296a - 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:     0x5c4050071f3f - <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:     0x5c4050071f3f - 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:     0x70409e14aaa4 - <unknown>
[INFO] [stdout]   45:     0x70409e1d7a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     gc_mem::test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5296f77680cf7f64074d50f4200d77b7cae77648fc190561f9e423c2eaef1ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5296f77680cf7f64074d50f4200d77b7cae77648fc190561f9e423c2eaef1ea4", kill_on_drop: false }`
[INFO] [stdout] 5296f77680cf7f64074d50f4200d77b7cae77648fc190561f9e423c2eaef1ea4
