[INFO] cloning repository https://github.com/anderspippi/heiDoral
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anderspippi/heiDoral" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspippi%2FheiDoral", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspippi%2FheiDoral'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b2444ea142556da0d2b12fea1749df41abdccb5
[INFO] checking anderspippi/heiDoral against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderspippi%2FheiDoral" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/anderspippi/heiDoral
[INFO] finished tweaking git repo https://github.com/anderspippi/heiDoral
[INFO] tweaked toml for git repo https://github.com/anderspippi/heiDoral written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anderspippi/heiDoral on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anderspippi/heiDoral 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e88b44e2335a15ca714125dbe352a70301db34cdb5efa596e30ea3c16e94767
[INFO] running `Command { std: "docker" "start" "-a" "0e88b44e2335a15ca714125dbe352a70301db34cdb5efa596e30ea3c16e94767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e88b44e2335a15ca714125dbe352a70301db34cdb5efa596e30ea3c16e94767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e88b44e2335a15ca714125dbe352a70301db34cdb5efa596e30ea3c16e94767", kill_on_drop: false }`
[INFO] [stdout] 0e88b44e2335a15ca714125dbe352a70301db34cdb5efa596e30ea3c16e94767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 311f9393344e12ee6f0c504dc13a23f3e90b6ce74fab4d6b587ff90a027cfe02
[INFO] running `Command { std: "docker" "start" "-a" "311f9393344e12ee6f0c504dc13a23f3e90b6ce74fab4d6b587ff90a027cfe02", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking dora-asm v0.0.1 (/opt/rustwide/workdir/dora-asm)
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir/dora)
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking dora-parser v0.0.2 (/opt/rustwide/workdir/dora-parser)
[INFO] [stderr]    Compiling capstone-sys v0.15.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora-parser/src/ast.rs:675:17
[INFO] [stdout]     |
[INFO] [stdout] 675 |     pub fn iter(&self) -> Iter<ModifierElement> {
[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] 675 |     pub fn iter(&self) -> Iter<'_, ModifierElement> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora-parser/src/ast.rs:704:17
[INFO] [stdout]     |
[INFO] [stdout] 704 |     pub fn iter(&self) -> Iter<AnnotationUsage> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 704 |     pub fn iter(&self) -> Iter<'_, AnnotationUsage> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora-parser/src/ast.rs:675:17
[INFO] [stdout]     |
[INFO] [stdout] 675 |     pub fn iter(&self) -> Iter<ModifierElement> {
[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] 675 |     pub fn iter(&self) -> Iter<'_, ModifierElement> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora-parser/src/ast.rs:704:17
[INFO] [stdout]     |
[INFO] [stdout] 704 |     pub fn iter(&self) -> Iter<AnnotationUsage> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 704 |     pub fn iter(&self) -> Iter<'_, AnnotationUsage> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking capstone v0.11.0
[INFO] [stdout] warning: unused import: `generate_fct`
[INFO] [stdout]  --> dora/src/compiler.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use crate::compiler::codegen::{generate, generate_fct};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_type_unchecked`
[INFO] [stdout]  --> dora/src/language.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use readty::{read_type, read_type_unchecked, AllowSelf, TypeParamContext};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeMap`
[INFO] [stdout]   --> dora/src/language/sem_analysis.rs:33:78
[INFO] [stdout]    |
[INFO] [stdout] 33 |     AnalysisData, CallType, ContextIdx, ForTypeInfo, IdentType, NestedVarId, NodeMap, Var,
[INFO] [stdout]    |                                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KnownAnnotations`, `KnownClasses`, `KnownEnums`, `KnownFunctions`, `KnownStructs`, and `KnownTraits`
[INFO] [stdout]   --> dora/src/vm.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     KnownAnnotations, KnownClasses, KnownElements, KnownEnums, KnownFunctions, KnownStructs,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^                 ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 45 |     KnownTraits,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `replace_type_param`
[INFO] [stdout]   --> dora/src/vm.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     add_ref_fields, replace_type_param, specialize_class_id, specialize_class_id_params,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConcreteTuple`
[INFO] [stdout]   --> dora/src/vm.rs:56:86
[INFO] [stdout]    |
[INFO] [stdout] 56 |     get_concrete_tuple_array, get_concrete_tuple_bytecode_ty, get_concrete_tuple_ty, ConcreteTuple,
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_fct`
[INFO] [stdout]  --> dora/src/compiler.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use crate::compiler::codegen::{generate, generate_fct};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_type_unchecked`
[INFO] [stdout]  --> dora/src/language.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use readty::{read_type, read_type_unchecked, AllowSelf, TypeParamContext};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeMap`
[INFO] [stdout]   --> dora/src/language/sem_analysis.rs:33:78
[INFO] [stdout]    |
[INFO] [stdout] 33 |     AnalysisData, CallType, ContextIdx, ForTypeInfo, IdentType, NestedVarId, NodeMap, Var,
[INFO] [stdout]    |                                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KnownAnnotations`, `KnownClasses`, `KnownEnums`, `KnownFunctions`, `KnownStructs`, and `KnownTraits`
[INFO] [stdout]   --> dora/src/vm.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     KnownAnnotations, KnownClasses, KnownElements, KnownEnums, KnownFunctions, KnownStructs,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^                 ^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 45 |     KnownTraits,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `replace_type_param`
[INFO] [stdout]   --> dora/src/vm.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     add_ref_fields, replace_type_param, specialize_class_id, specialize_class_id_params,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConcreteTuple`
[INFO] [stdout]   --> dora/src/vm.rs:56:86
[INFO] [stdout]    |
[INFO] [stdout] 56 |     get_concrete_tuple_array, get_concrete_tuple_bytecode_ty, get_concrete_tuple_ty, ConcreteTuple,
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> dora/src/boots/serializer.rs:276:28
[INFO] [stdout]     |
[INFO] [stdout] 276 |             buffer.emit_id(variant_idx.try_into().unwrap());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> dora/src/boots/serializer.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |             buffer.emit_id(variant_idx.try_into().unwrap());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/gc/swiper/old.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn protected(&self) -> MutexGuard<OldGenProtected> {
[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] 66 |     pub fn protected(&self) -> MutexGuard<'_, OldGenProtected> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> dora/src/gc/swiper/pminor.rs:243:50
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let promoted_size = promoted_size.clone();
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `AtomicUsize` does not implement `Clone`, so calling `clone` on `&AtomicUsize` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 243 -                 let promoted_size = promoted_size.clone();
[INFO] [stdout] 243 +                 let promoted_size = promoted_size;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> dora/src/gc/swiper/pminor.rs:244:56
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let promotion_failed = promotion_failed.clone();
[INFO] [stdout]     |                                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `AtomicBool` does not implement `Clone`, so calling `clone` on `&AtomicBool` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 244 -                 let promotion_failed = promotion_failed.clone();
[INFO] [stdout] 244 +                 let promotion_failed = promotion_failed;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/handle.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> HandleMemoryIter {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> HandleMemoryIter<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/language/program_parser.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(sa: &mut SemAnalysis) -> ProgramParser {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(sa: &mut SemAnalysis) -> ProgramParser<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> dora/src/language/sem_analysis/annotations.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |         AnnotationDefinitionId(value.try_into().unwrap())
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/sem_analysis/classes.rs:414:34
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn bounds_for_type_param(&self, id: TypeParamId) -> TypeParamBoundsIter {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn bounds_for_type_param(&self, id: TypeParamId) -> TypeParamBoundsIter<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/sem_analysis/classes.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     pub fn names(&self) -> TypeParamNameIter {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 434 |     pub fn names(&self) -> TypeParamNameIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/sem_analysis/src.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<ast::NodeId, V> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<'_, ast::NodeId, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/ty.rs:573:17
[INFO] [stdout]     |
[INFO] [stdout] 573 |     pub fn iter(&self) -> SourceTypeArrayIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 573 |     pub fn iter(&self) -> SourceTypeArrayIter<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let path = PathBuf::from_str(name.content_utf8());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if path.is_err() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let path = path.unwrap();
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let path = PathBuf::from_str(name.content_utf8());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if path.is_err() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let path = path.unwrap();
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let path = PathBuf::from_str(name.content_utf8());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     if path.is_err() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut f = File::create(&path.unwrap())?;
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/utils.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn lock(&self) -> MutexGuard<Vec<Arc<T>>> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn lock(&self) -> MutexGuard<'_, Vec<Arc<T>>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/utils.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> GrowableVecIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> GrowableVecIter<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/utils.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self) -> SharedVecIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self) -> SharedVecIter<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> dora/src/vm/classes.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ClassInstanceId(value.try_into().unwrap())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> dora/src/vm/structs.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |         StructInstanceId(value.try_into().unwrap())
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dora` (lib) due to 14 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> dora/src/boots/serializer.rs:276:28
[INFO] [stdout]     |
[INFO] [stdout] 276 |             buffer.emit_id(variant_idx.try_into().unwrap());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> dora/src/boots/serializer.rs:282:28
[INFO] [stdout]     |
[INFO] [stdout] 282 |             buffer.emit_id(variant_idx.try_into().unwrap());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/gc/swiper/old.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn protected(&self) -> MutexGuard<OldGenProtected> {
[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] 66 |     pub fn protected(&self) -> MutexGuard<'_, OldGenProtected> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> dora/src/gc/swiper/pminor.rs:243:50
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let promoted_size = promoted_size.clone();
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `AtomicUsize` does not implement `Clone`, so calling `clone` on `&AtomicUsize` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 243 -                 let promoted_size = promoted_size.clone();
[INFO] [stdout] 243 +                 let promoted_size = promoted_size;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> dora/src/gc/swiper/pminor.rs:244:56
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let promotion_failed = promotion_failed.clone();
[INFO] [stdout]     |                                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `AtomicBool` does not implement `Clone`, so calling `clone` on `&AtomicBool` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 244 -                 let promotion_failed = promotion_failed.clone();
[INFO] [stdout] 244 +                 let promotion_failed = promotion_failed;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/handle.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> HandleMemoryIter {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn iter(&self) -> HandleMemoryIter<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/language/program_parser.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(sa: &mut SemAnalysis) -> ProgramParser {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(sa: &mut SemAnalysis) -> ProgramParser<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> dora/src/language/sem_analysis/annotations.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |         AnnotationDefinitionId(value.try_into().unwrap())
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/sem_analysis/classes.rs:414:34
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn bounds_for_type_param(&self, id: TypeParamId) -> TypeParamBoundsIter {
[INFO] [stdout]     |                                  ^^^^^                      ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn bounds_for_type_param(&self, id: TypeParamId) -> TypeParamBoundsIter<'_> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/sem_analysis/classes.rs:434:18
[INFO] [stdout]     |
[INFO] [stdout] 434 |     pub fn names(&self) -> TypeParamNameIter {
[INFO] [stdout]     |                  ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 434 |     pub fn names(&self) -> TypeParamNameIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/sem_analysis/src.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<ast::NodeId, V> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn iter(&self) -> Iter<'_, ast::NodeId, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/language/ty.rs:573:17
[INFO] [stdout]     |
[INFO] [stdout] 573 |     pub fn iter(&self) -> SourceTypeArrayIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 573 |     pub fn iter(&self) -> SourceTypeArrayIter<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let path = PathBuf::from_str(name.content_utf8());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         if path.is_err() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let path = path.unwrap();
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let path = PathBuf::from_str(name.content_utf8());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if path.is_err() {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let path = path.unwrap();
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let path = PathBuf::from_str(name.content_utf8());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     if path.is_err() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> dora/src/stdlib/io.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut f = File::create(&path.unwrap())?;
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/utils.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn lock(&self) -> MutexGuard<Vec<Arc<T>>> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn lock(&self) -> MutexGuard<'_, Vec<Arc<T>>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> dora/src/utils.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> GrowableVecIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn iter(&self) -> GrowableVecIter<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> dora/src/utils.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self) -> SharedVecIter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn iter(&self) -> SharedVecIter<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> dora/src/vm/classes.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ClassInstanceId(value.try_into().unwrap())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> dora/src/vm/structs.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |         StructInstanceId(value.try_into().unwrap())
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dora` (lib test) due to 14 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "311f9393344e12ee6f0c504dc13a23f3e90b6ce74fab4d6b587ff90a027cfe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311f9393344e12ee6f0c504dc13a23f3e90b6ce74fab4d6b587ff90a027cfe02", kill_on_drop: false }`
[INFO] [stdout] 311f9393344e12ee6f0c504dc13a23f3e90b6ce74fab4d6b587ff90a027cfe02