[INFO] fetching crate rusty-jvm 0.5.0...
[INFO] checking rusty-jvm-0.5.0 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate rusty-jvm 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rusty-jvm 0.5.0
[INFO] finished tweaking crates.io crate rusty-jvm 0.5.0
[INFO] tweaked toml for crates.io crate rusty-jvm 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-jvm 0.5.0 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty-jvm 0.5.0 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:123:12
[INFO] [stderr]     |
[INFO] [stderr] 123 | homepage = "https://github.com/hextriclosan/rusty-jvm"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 | repository = "https://github.com/hextriclosan/rusty-jvm"
[INFO] [stderr]     |              -------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: unused build dependency `anyhow`
[INFO] [stderr]  --> Cargo.toml:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | [build-dependencies.anyhow]
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `anyhow`
[INFO] [stderr] warning: unused build dependency `fs_extra`
[INFO] [stderr]  --> Cargo.toml:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | [build-dependencies.fs_extra]
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `fs_extra`
[INFO] [stderr] warning: `rusty-jvm` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0
[INFO] running `Command { std: "docker" "start" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:123:12
[INFO] [stderr]     |
[INFO] [stderr] 123 | homepage = "https://github.com/hextriclosan/rusty-jvm"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 | repository = "https://github.com/hextriclosan/rusty-jvm"
[INFO] [stderr]     |              -------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: unused build dependency `anyhow`
[INFO] [stderr]  --> Cargo.toml:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | [build-dependencies.anyhow]
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `anyhow`
[INFO] [stderr] warning: unused build dependency `fs_extra`
[INFO] [stderr]  --> Cargo.toml:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | [build-dependencies.fs_extra]
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `fs_extra`
[INFO] [stderr] warning: `rusty-jvm` (manifest) generated 3 warnings
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking os_info v3.12.0
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]     Checking murmur3 v0.5.2
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking errno v0.3.13
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking realpath-ext v0.1.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking jclassfile v0.3.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]     Checking clap v4.5.48
[INFO] [stderr]     Checking jimage-rs v0.0.3
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking mockall v0.13.1
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking jdescriptor v0.2.0
[INFO] [stderr]     Checking rusty-jvm v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `throw_internal_error` is never used
[INFO] [stdout]   --> src/vm/exception/helpers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn throw_internal_error(message: &str, stack_frames: &mut StackFrames) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]    --> src/vm/system_native/stack_trace_element.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 vec![line_number.into()],
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 102 -                 vec![line_number.into()],
[INFO] [stdout] 102 +                 vec![line_number],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 102 -                 vec![line_number.into()],
[INFO] [stdout] 102 +                 vec![<i32 as Into<_>>::into(line_number)],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get(&self, key: Self::Key) -> Option<Ref<Self::Key, 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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get(&self, key: Self::Key) -> Option<Ref<'_, Self::Key, V>>;
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<Self::Key, 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] 25 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<'_, Self::Key, V>>;
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i32.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<Self::Key, 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] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i32.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<Self::Key, 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] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i64.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<Self::Key, 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] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i64.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<Self::Key, 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] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm/heap/heap.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 174 |         array_ref: i32,
[INFO] [stdout] 175 |     ) -> Result<MappedRef<i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 175 |     ) -> Result<MappedRef<'_, i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm/heap/heap.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 196 |         array_ref: i32,
[INFO] [stdout] 197 |     ) -> Result<MappedRefMut<i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 197 |     ) -> Result<MappedRefMut<'_, i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-jvm` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `throw_internal_error` is never used
[INFO] [stdout]   --> src/vm/exception/helpers.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn throw_internal_error(message: &str, stack_frames: &mut StackFrames) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]    --> src/vm/system_native/stack_trace_element.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 vec![line_number.into()],
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 102 -                 vec![line_number.into()],
[INFO] [stdout] 102 +                 vec![line_number],
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 102 -                 vec![line_number.into()],
[INFO] [stdout] 102 +                 vec![<i32 as Into<_>>::into(line_number)],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get(&self, key: Self::Key) -> Option<Ref<Self::Key, 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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get(&self, key: Self::Key) -> Option<Ref<'_, Self::Key, V>>;
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<Self::Key, 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] 25 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<'_, Self::Key, V>>;
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i32.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<Self::Key, 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] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i32.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<Self::Key, 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] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i64.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<Self::Key, 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] 57 |     fn get(&self, key: Self::Key) -> Option<Ref<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vm/commons/auto_dash_map/auto_dash_map_i64.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<Self::Key, 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] 61 |     fn get_mut(&self, key: Self::Key) -> Option<RefMut<'_, Self::Key, V>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm/heap/heap.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 174 |         array_ref: i32,
[INFO] [stdout] 175 |     ) -> Result<MappedRef<i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 175 |     ) -> Result<MappedRef<'_, i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm/heap/heap.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 196 |         array_ref: i32,
[INFO] [stdout] 197 |     ) -> Result<MappedRefMut<i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 197 |     ) -> Result<MappedRefMut<'_, i32, HeapValue, Vec<u8>>> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-jvm` (lib test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0", kill_on_drop: false }`
[INFO] [stdout] dc008315a21b3a4b11a5c3c3908479fc111ba068cc9a7a791de181727cc98cb0
