[INFO] updating cached repository vitvakatu/test_attach
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vitvakatu/test_attach
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vitvakatu/test_attach" "work/ex/beta-1.37-6/sources/1.36.0/gh/vitvakatu/test_attach"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/vitvakatu/test_attach'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vitvakatu/test_attach" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vitvakatu/test_attach"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vitvakatu/test_attach'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1d1d104d4375f96df0efc94b63a81ffe1c69489
[INFO] sha for GitHub repo vitvakatu/test_attach: d1d1d104d4375f96df0efc94b63a81ffe1c69489
[INFO] validating manifest of vitvakatu/test_attach on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vitvakatu/test_attach on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vitvakatu/test_attach
[INFO] finished frobbing vitvakatu/test_attach
[INFO] frobbed toml for vitvakatu/test_attach written to work/ex/beta-1.37-6/sources/1.36.0/gh/vitvakatu/test_attach/Cargo.toml
[INFO] started frobbing vitvakatu/test_attach
[INFO] finished frobbing vitvakatu/test_attach
[INFO] frobbed toml for vitvakatu/test_attach written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vitvakatu/test_attach/Cargo.toml
[INFO] crate vitvakatu/test_attach already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vitvakatu/test_attach against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vitvakatu/test_attach:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 043e2672e7845fe219db969a3a8ba7eb7811d6c11d8e58b9ad8bf0bfaf4bdc82
[INFO] running `"docker" "start" "-a" "043e2672e7845fe219db969a3a8ba7eb7811d6c11d8e58b9ad8bf0bfaf4bdc82"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling jni-sys v0.3.0
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling jni v0.12.2
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling test_detach v0.1.0 (/opt/crater/workdir)
[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)] 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: `env`
[INFO] [stderr]   --> src/main.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |         executor1.with_attached(|env| {
[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:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |         executor2.with_attached(|env| {
[INFO] [stderr]    |                                  ^^^ help: consider prefixing with an underscore: `_env`
[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: consider prefixing with an underscore: `_thread1`
[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: consider prefixing with an underscore: `_thread2`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/executors.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn new(vm: Arc<JavaVM>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/executors.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn new(vm: Arc<JavaVM>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.36s
[INFO] running `"docker" "inspect" "043e2672e7845fe219db969a3a8ba7eb7811d6c11d8e58b9ad8bf0bfaf4bdc82"`
[INFO] running `"docker" "rm" "-f" "043e2672e7845fe219db969a3a8ba7eb7811d6c11d8e58b9ad8bf0bfaf4bdc82"`
[INFO] [stdout] 043e2672e7845fe219db969a3a8ba7eb7811d6c11d8e58b9ad8bf0bfaf4bdc82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vitvakatu/test_attach:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 31debd8d5b444581ad56c7503e14dc740ac46ed3f36f91b759c6aa1575e68445
[INFO] running `"docker" "start" "-a" "31debd8d5b444581ad56c7503e14dc740ac46ed3f36f91b759c6aa1575e68445"`
[INFO] [stderr]    Compiling test_detach v0.1.0 (/opt/crater/workdir)
[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)] 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: `env`
[INFO] [stderr]   --> src/main.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |         executor1.with_attached(|env| {
[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:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |         executor2.with_attached(|env| {
[INFO] [stderr]    |                                  ^^^ help: consider prefixing with an underscore: `_env`
[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: consider prefixing with an underscore: `_thread1`
[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: consider prefixing with an underscore: `_thread2`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/executors.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn new(vm: Arc<JavaVM>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/executors.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn new(vm: Arc<JavaVM>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "31debd8d5b444581ad56c7503e14dc740ac46ed3f36f91b759c6aa1575e68445"`
[INFO] running `"docker" "rm" "-f" "31debd8d5b444581ad56c7503e14dc740ac46ed3f36f91b759c6aa1575e68445"`
[INFO] [stdout] 31debd8d5b444581ad56c7503e14dc740ac46ed3f36f91b759c6aa1575e68445
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vitvakatu/test_attach:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b56aa547531c776fa2fb181209b22742f1eff097c98cfb9643e1507dc3dd5423
[INFO] running `"docker" "start" "-a" "b56aa547531c776fa2fb181209b22742f1eff097c98cfb9643e1507dc3dd5423"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_detach-fdf4a396b6ab89fe
[INFO] [stderr] /opt/crater/target/debug/deps/test_detach-fdf4a396b6ab89fe: error while loading shared libraries: libjvm.so: cannot open shared object file: No such file or directory
[INFO] [stderr] error: test failed, to rerun pass '--bin test_detach'
[INFO] running `"docker" "inspect" "b56aa547531c776fa2fb181209b22742f1eff097c98cfb9643e1507dc3dd5423"`
[INFO] running `"docker" "rm" "-f" "b56aa547531c776fa2fb181209b22742f1eff097c98cfb9643e1507dc3dd5423"`
[INFO] [stdout] b56aa547531c776fa2fb181209b22742f1eff097c98cfb9643e1507dc3dd5423