[INFO] updating cached repository krishnakumar4a4/rust-java-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krishnakumar4a4/rust-java-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krishnakumar4a4/rust-java-rust" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krishnakumar4a4/rust-java-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krishnakumar4a4/rust-java-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krishnakumar4a4/rust-java-rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/krishnakumar4a4/rust-java-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/krishnakumar4a4/rust-java-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 618da43c3dbf1ba4d2b77ec3a483c5a73b80da51
[INFO] sha for GitHub repo krishnakumar4a4/rust-java-rust: 618da43c3dbf1ba4d2b77ec3a483c5a73b80da51
[INFO] validating manifest of krishnakumar4a4/rust-java-rust on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krishnakumar4a4/rust-java-rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing krishnakumar4a4/rust-java-rust
[INFO] finished frobbing krishnakumar4a4/rust-java-rust
[INFO] frobbed toml for krishnakumar4a4/rust-java-rust written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krishnakumar4a4/rust-java-rust/Cargo.toml
[INFO] started frobbing krishnakumar4a4/rust-java-rust
[INFO] finished frobbing krishnakumar4a4/rust-java-rust
[INFO] frobbed toml for krishnakumar4a4/rust-java-rust written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/krishnakumar4a4/rust-java-rust/Cargo.toml
[INFO] crate krishnakumar4a4/rust-java-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking krishnakumar4a4/rust-java-rust against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/krishnakumar4a4/rust-java-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c5e9c2f681a216ef3461d3a0c182842abd27af419edfc07e1e6cd8d119baef0d
[INFO] running `"docker" "start" "-a" "c5e9c2f681a216ef3461d3a0c182842abd27af419edfc07e1e6cd8d119baef0d"`
[INFO] [stderr]    Compiling rucaja v0.4.5
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling rust-java-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]    Compiling jni v0.11.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr] warning: unused import: `jbyteArray`
[INFO] [stderr]  --> src/main.rs:9:85
[INFO] [stderr]   |
[INFO] [stderr] 9 | use jni_sys::{_jobject, JNINativeInterface_, JNINativeMethod, jclass, jint, JNIEnv, jbyteArray};
[INFO] [stderr]   |                                                                                     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/main.rs:101:39
[INFO] [stderr]     |
[INFO] [stderr] 101 | extern "C" fn call_from_java_with_int(env: &JNIEnv, _class: jclass, n: jint) {
[INFO] [stderr]     |                                       ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/main.rs:117:50
[INFO] [stderr]     |
[INFO] [stderr] 117 | extern "C" fn call_from_java_with_byte_array_arg(env: JNIEnv, _class: jclass, a: jni_jbyteArray) {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jbyteArray`
[INFO] [stderr]  --> src/main.rs:9:85
[INFO] [stderr]   |
[INFO] [stderr] 9 | use jni_sys::{_jobject, JNINativeInterface_, JNINativeMethod, jclass, jint, JNIEnv, jbyteArray};
[INFO] [stderr]   |                                                                                     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/main.rs:101:39
[INFO] [stderr]     |
[INFO] [stderr] 101 | extern "C" fn call_from_java_with_int(env: &JNIEnv, _class: jclass, n: jint) {
[INFO] [stderr]     |                                       ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/main.rs:117:50
[INFO] [stderr]     |
[INFO] [stderr] 117 | extern "C" fn call_from_java_with_byte_array_arg(env: JNIEnv, _class: jclass, a: jni_jbyteArray) {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.43s
[INFO] running `"docker" "inspect" "c5e9c2f681a216ef3461d3a0c182842abd27af419edfc07e1e6cd8d119baef0d"`
[INFO] running `"docker" "rm" "-f" "c5e9c2f681a216ef3461d3a0c182842abd27af419edfc07e1e6cd8d119baef0d"`
[INFO] [stdout] c5e9c2f681a216ef3461d3a0c182842abd27af419edfc07e1e6cd8d119baef0d