[INFO] cloning repository https://github.com/vitvakatu/test_attach [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitvakatu/test_attach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Ftest_attach", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Ftest_attach'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1d1d104d4375f96df0efc94b63a81ffe1c69489 [INFO] testing vitvakatu/test_attach against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Ftest_attach" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/vitvakatu/test_attach [INFO] finished tweaking git repo https://github.com/vitvakatu/test_attach [INFO] tweaked toml for git repo https://github.com/vitvakatu/test_attach written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vitvakatu/test_attach on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vitvakatu/test_attach 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e352effb7feda69bd3a303687b20ddd59bf5b21a9f5a70144a46573f248359f [INFO] running `Command { std: "docker" "start" "-a" "0e352effb7feda69bd3a303687b20ddd59bf5b21a9f5a70144a46573f248359f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e352effb7feda69bd3a303687b20ddd59bf5b21a9f5a70144a46573f248359f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e352effb7feda69bd3a303687b20ddd59bf5b21a9f5a70144a46573f248359f", kill_on_drop: false }` [INFO] [stdout] 0e352effb7feda69bd3a303687b20ddd59bf5b21a9f5a70144a46573f248359f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89dcbb92fa9e13773446e0c36eb85d5691e3534669a9ac2382c5bf94cfdd627c [INFO] running `Command { std: "docker" "start" "-a" "89dcbb92fa9e13773446e0c36eb85d5691e3534669a9ac2382c5bf94cfdd627c", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling ascii v0.9.1 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling cesu8 v1.1.0 [INFO] [stderr] Compiling jni-sys v0.3.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling combine v3.8.1 [INFO] [stderr] Compiling backtrace v0.3.20 [INFO] [stderr] Compiling jni v0.12.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling test_detach v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `InitArgs` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use jni::{InitArgs, InitArgsBuilder, JNIVersion}; [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: `std::mem::forget` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::mem::forget; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AttachGuard` [INFO] [stdout] --> src/executors.rs:17:27 [INFO] [stdout] | [INFO] [stdout] 17 | use jni::{JNIEnv, JavaVM, AttachGuard}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/executors.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/executors.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread1` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let thread1 = spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread2` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let thread2 = spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:19:34 [INFO] [stdout] | [INFO] [stdout] 19 | executor1.with_attached(|env| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | executor2.with_attached(|env| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DumbExecutor` is never constructed [INFO] [stdout] --> src/executors.rs:117:12 [INFO] [stdout] | [INFO] [stdout] 117 | pub struct DumbExecutor { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/executors.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 122 | impl DumbExecutor { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 123 | /// Creates a `DumbExecutor` [INFO] [stdout] 124 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MainExecutor` is never constructed [INFO] [stdout] --> src/executors.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 238 | pub struct MainExecutor(DumbExecutor); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/executors.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 240 | impl MainExecutor { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 241 | /// Creates a `MainExecutor` [INFO] [stdout] 242 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executors.rs:179:30 [INFO] [stdout] | [INFO] [stdout] 179 | fn attach_current_thread(&self) -> JniResult { [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] 179 | fn attach_current_thread(&self) -> JniResult> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executors.rs:199:16 [INFO] [stdout] | [INFO] [stdout] 199 | fn get_env(&self) -> JniResult { [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] 199 | fn get_env(&self) -> JniResult> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s [INFO] running `Command { std: "docker" "inspect" "89dcbb92fa9e13773446e0c36eb85d5691e3534669a9ac2382c5bf94cfdd627c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89dcbb92fa9e13773446e0c36eb85d5691e3534669a9ac2382c5bf94cfdd627c", kill_on_drop: false }` [INFO] [stdout] 89dcbb92fa9e13773446e0c36eb85d5691e3534669a9ac2382c5bf94cfdd627c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1efec0a09e09ecc6c47a2e26460e11b33de24df8ce1665b8648585b2e79d73d [INFO] running `Command { std: "docker" "start" "-a" "e1efec0a09e09ecc6c47a2e26460e11b33de24df8ce1665b8648585b2e79d73d", kill_on_drop: false }` [INFO] [stderr] Compiling test_detach v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `InitArgs` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use jni::{InitArgs, InitArgsBuilder, JNIVersion}; [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: `std::mem::forget` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::mem::forget; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AttachGuard` [INFO] [stdout] --> src/executors.rs:17:27 [INFO] [stdout] | [INFO] [stdout] 17 | use jni::{JNIEnv, JavaVM, AttachGuard}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/executors.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/executors.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread1` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let thread1 = spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread2` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let thread2 = spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:19:34 [INFO] [stdout] | [INFO] [stdout] 19 | executor1.with_attached(|env| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | executor2.with_attached(|env| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DumbExecutor` is never constructed [INFO] [stdout] --> src/executors.rs:117:12 [INFO] [stdout] | [INFO] [stdout] 117 | pub struct DumbExecutor { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/executors.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 122 | impl DumbExecutor { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 123 | /// Creates a `DumbExecutor` [INFO] [stdout] 124 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MainExecutor` is never constructed [INFO] [stdout] --> src/executors.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 238 | pub struct MainExecutor(DumbExecutor); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/executors.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 240 | impl MainExecutor { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 241 | /// Creates a `MainExecutor` [INFO] [stdout] 242 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executors.rs:179:30 [INFO] [stdout] | [INFO] [stdout] 179 | fn attach_current_thread(&self) -> JniResult { [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] 179 | fn attach_current_thread(&self) -> JniResult> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executors.rs:199:16 [INFO] [stdout] | [INFO] [stdout] 199 | fn get_env(&self) -> JniResult { [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] 199 | fn get_env(&self) -> JniResult> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "e1efec0a09e09ecc6c47a2e26460e11b33de24df8ce1665b8648585b2e79d73d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1efec0a09e09ecc6c47a2e26460e11b33de24df8ce1665b8648585b2e79d73d", kill_on_drop: false }` [INFO] [stdout] e1efec0a09e09ecc6c47a2e26460e11b33de24df8ce1665b8648585b2e79d73d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5a0518e8c471d050f7a7f405e1a5ac1b39251a914b5b7b2d15f7ab701873b863 [INFO] running `Command { std: "docker" "start" "-a" "5a0518e8c471d050f7a7f405e1a5ac1b39251a914b5b7b2d15f7ab701873b863", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `InitArgs` [INFO] [stderr] --> src/main.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use jni::{InitArgs, InitArgsBuilder, JNIVersion}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem::forget` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::mem::forget; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AttachGuard` [INFO] [stderr] --> src/executors.rs:17:27 [INFO] [stderr] | [INFO] [stderr] 17 | use jni::{JNIEnv, JavaVM, AttachGuard}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/executors.rs:24:26 [INFO] [stderr] | [INFO] [stderr] 24 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/executors.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread1` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let thread1 = spawn(move || { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread2` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let thread2 = spawn(move || { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `env` [INFO] [stderr] --> src/main.rs:19:34 [INFO] [stderr] | [INFO] [stderr] 19 | executor1.with_attached(|env| { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `env` [INFO] [stderr] --> src/main.rs:30:34 [INFO] [stderr] | [INFO] [stderr] 30 | executor2.with_attached(|env| { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stderr] [INFO] [stderr] warning: struct `DumbExecutor` is never constructed [INFO] [stderr] --> src/executors.rs:117:12 [INFO] [stderr] | [INFO] [stderr] 117 | pub struct DumbExecutor { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/executors.rs:124:12 [INFO] [stderr] | [INFO] [stderr] 122 | impl DumbExecutor { [INFO] [stderr] | ----------------- associated function in this implementation [INFO] [stderr] 123 | /// Creates a `DumbExecutor` [INFO] [stderr] 124 | pub fn new(vm: Arc) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `MainExecutor` is never constructed [INFO] [stderr] --> src/executors.rs:238:12 [INFO] [stderr] | [INFO] [stderr] 238 | pub struct MainExecutor(DumbExecutor); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/executors.rs:242:12 [INFO] [stderr] | [INFO] [stderr] 240 | impl MainExecutor { [INFO] [stderr] | ----------------- associated function in this implementation [INFO] [stderr] 241 | /// Creates a `MainExecutor` [INFO] [stderr] 242 | pub fn new(vm: Arc) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/executors.rs:179:30 [INFO] [stderr] | [INFO] [stderr] 179 | fn attach_current_thread(&self) -> JniResult { [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] 179 | fn attach_current_thread(&self) -> JniResult> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/executors.rs:199:16 [INFO] [stderr] | [INFO] [stderr] 199 | fn get_env(&self) -> JniResult { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 199 | fn get_env(&self) -> JniResult> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `test_detach` (bin "test_detach" test) generated 15 warnings (run `cargo fix --bin "test_detach" --tests` to apply 7 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/test_detach-2f679eb387234e00) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5a0518e8c471d050f7a7f405e1a5ac1b39251a914b5b7b2d15f7ab701873b863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0518e8c471d050f7a7f405e1a5ac1b39251a914b5b7b2d15f7ab701873b863", kill_on_drop: false }` [INFO] [stdout] 5a0518e8c471d050f7a7f405e1a5ac1b39251a914b5b7b2d15f7ab701873b863