[INFO] cloning repository https://github.com/krishnakumar4a4/rust-java-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnakumar4a4/rust-java-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 618da43c3dbf1ba4d2b77ec3a483c5a73b80da51 [INFO] checking krishnakumar4a4/rust-java-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-java-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krishnakumar4a4/rust-java-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/krishnakumar4a4/rust-java-rust [INFO] finished tweaking git repo https://github.com/krishnakumar4a4/rust-java-rust [INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/rust-java-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/krishnakumar4a4/rust-java-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jni v0.11.0 [INFO] [stderr] Downloaded rucaja v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2da77317d1b7582a8f403bb23053af4dd8e9891335ad9714c73f7be1a9fdba02 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2da77317d1b7582a8f403bb23053af4dd8e9891335ad9714c73f7be1a9fdba02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2da77317d1b7582a8f403bb23053af4dd8e9891335ad9714c73f7be1a9fdba02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da77317d1b7582a8f403bb23053af4dd8e9891335ad9714c73f7be1a9fdba02", kill_on_drop: false }` [INFO] [stdout] 2da77317d1b7582a8f403bb23053af4dd8e9891335ad9714c73f7be1a9fdba02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6716ce361da1261a1bb2b2f0026d2373c83fbe03a5f13ad1b452c417aa44cf25 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6716ce361da1261a1bb2b2f0026d2373c83fbe03a5f13ad1b452c417aa44cf25", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling rucaja v0.4.5 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Compiling rust-java-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Compiling jni v0.11.0 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stdout] warning: unused import: `jbyteArray` [INFO] [stdout] --> src/main.rs:9:85 [INFO] [stdout] | [INFO] [stdout] 9 | use jni_sys::{_jobject, JNINativeInterface_, JNINativeMethod, jclass, jint, JNIEnv, jbyteArray}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:55:80 [INFO] [stdout] | [INFO] [stdout] 55 | ...te_array as (extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray) as *mut c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:101:39 [INFO] [stdout] | [INFO] [stdout] 101 | extern "C" fn call_from_java_with_int(env: &JNIEnv, _class: jclass, n: jint) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:117:50 [INFO] [stdout] | [INFO] [stdout] 117 | extern "C" fn call_from_java_with_byte_array_arg(env: JNIEnv, _class: jclass, a: jni_jbyteArray) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `jbyteArray` [INFO] [stdout] --> src/main.rs:9:85 [INFO] [stdout] | [INFO] [stdout] 9 | use jni_sys::{_jobject, JNINativeInterface_, JNINativeMethod, jclass, jint, JNIEnv, jbyteArray}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:55:80 [INFO] [stdout] | [INFO] [stdout] 55 | ...te_array as (extern "C" fn(e: jni_JNIEnv, c: jclass, a: jni_jbyteArray) -> jni_jbyteArray) as *mut c_void; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:101:39 [INFO] [stdout] | [INFO] [stdout] 101 | extern "C" fn call_from_java_with_int(env: &JNIEnv, _class: jclass, n: jint) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `env` [INFO] [stdout] --> src/main.rs:117:50 [INFO] [stdout] | [INFO] [stdout] 117 | extern "C" fn call_from_java_with_byte_array_arg(env: JNIEnv, _class: jclass, a: jni_jbyteArray) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_env` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.23s [INFO] running `Command { std: "docker" "inspect" "6716ce361da1261a1bb2b2f0026d2373c83fbe03a5f13ad1b452c417aa44cf25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6716ce361da1261a1bb2b2f0026d2373c83fbe03a5f13ad1b452c417aa44cf25", kill_on_drop: false }` [INFO] [stdout] 6716ce361da1261a1bb2b2f0026d2373c83fbe03a5f13ad1b452c417aa44cf25