[INFO] fetching crate blackboxmc_general 0.5.1...
[INFO] checking blackboxmc_general-0.5.1 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate blackboxmc_general 0.5.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate blackboxmc_general 0.5.1
[INFO] finished tweaking crates.io crate blackboxmc_general 0.5.1
[INFO] tweaked toml for crates.io crate blackboxmc_general 0.5.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blackboxmc_general 0.5.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to highest compatible versions
[INFO] [stderr]       Adding jni v0.21.1 (available: v0.22.4)
[INFO] [stderr]       Adding parking_lot v0.12.5 (available: v0.13.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70
[INFO] running `Command { std: "docker" "start" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70", 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" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70", 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" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling eyre v0.6.14
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling jni-sys v0.3.1
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]     Checking object v0.40.0
[INFO] [stderr]     Checking smallvec v1.16.4
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking indenter v0.3.4
[INFO] [stderr]     Checking combine v4.6.9
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]    Compiling jni-sys-macros v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling blackboxmc_proc v0.5.1
[INFO] [stderr]     Checking jni-sys v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking jni v0.21.1
[INFO] [stderr]     Checking backtrace v0.3.77
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking blackboxmc_general v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `JavaVM`
[INFO] [stdout]   --> src/lib.rs:13:88
[INFO] [stdout]    |
[INFO] [stdout] 13 |     sys::{jboolean, jbyte, jchar, jdouble, jfloat, jint, jlong, jshort, jsize, jvalue, JavaVM},
[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: `JavaVM`
[INFO] [stdout]   --> src/lib.rs:13:88
[INFO] [stdout]    |
[INFO] [stdout] 13 |     sys::{jboolean, jbyte, jchar, jdouble, jfloat, jint, jlong, jshort, jsize, jvalue, JavaVM},
[INFO] [stdout]    |                                                                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `jni::objects::JClass<'_>`
[INFO] [stdout]    --> src/lib.rs:938:31
[INFO] [stdout]     |
[INFO] [stdout] 938 |                 Ok(res) => Ok(res.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] 938 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 938 +                 Ok(res) => Ok(res),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 938 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 938 +                 Ok(res) => Ok(<jni::objects::JClass<'_> as Into<_>>::into(res)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `jni::objects::JClass<'_>`
[INFO] [stdout]    --> src/lib.rs:942:31
[INFO] [stdout]     |
[INFO] [stdout] 942 |                 Ok(res) => Ok(res.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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 942 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 942 +                 Ok(res) => Ok(res),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 942 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 942 +                 Ok(res) => Ok(<jni::objects::JClass<'_> as Into<_>>::into(res)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:933:9
[INFO] [stdout]     |
[INFO] [stdout] 933 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 934 |         res: Result<jni::objects::JClass<'mc>, jni::errors::Error>,
[INFO] [stdout] 935 |     ) -> Result<jni::objects::JClass, Box<dyn std::error::Error>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 935 |     ) -> Result<jni::objects::JClass<'_>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros/memory.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get(&self, index: usize) -> Option<MutexGuard<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 get(&self, index: usize) -> Option<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackboxmc_general` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `jni::objects::JClass<'_>`
[INFO] [stdout]    --> src/lib.rs:938:31
[INFO] [stdout]     |
[INFO] [stdout] 938 |                 Ok(res) => Ok(res.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] 938 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 938 +                 Ok(res) => Ok(res),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 938 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 938 +                 Ok(res) => Ok(<jni::objects::JClass<'_> as Into<_>>::into(res)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `jni::objects::JClass<'_>`
[INFO] [stdout]    --> src/lib.rs:942:31
[INFO] [stdout]     |
[INFO] [stdout] 942 |                 Ok(res) => Ok(res.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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 942 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 942 +                 Ok(res) => Ok(res),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 942 -                 Ok(res) => Ok(res.into()),
[INFO] [stdout] 942 +                 Ok(res) => Ok(<jni::objects::JClass<'_> as Into<_>>::into(res)),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:933:9
[INFO] [stdout]     |
[INFO] [stdout] 933 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 934 |         res: Result<jni::objects::JClass<'mc>, jni::errors::Error>,
[INFO] [stdout] 935 |     ) -> Result<jni::objects::JClass, Box<dyn std::error::Error>> {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 935 |     ) -> Result<jni::objects::JClass<'_>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros/memory.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get(&self, index: usize) -> Option<MutexGuard<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 get(&self, index: usize) -> Option<MutexGuard<'_, T>> {
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackboxmc_general` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: unused dependency `color-eyre`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.color-eyre]
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `color-eyre`
[INFO] [stderr] warning: `blackboxmc_general` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70", kill_on_drop: false }`
[INFO] [stdout] d97b1b1b05dd50e35289e3853a837918062c37bcb0180aabcd5f9b711fa83c70
