[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] checking vitvakatu/test_attach against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Ftest_attach" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vitvakatu/test_attach on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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/source/Cargo.toml [INFO] crate git repo https://github.com/vitvakatu/test_attach already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--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 v0.12.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1272b17762243ccddade7910df82e782e7427e5c4969775699502ba5b157ab8d [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" "1272b17762243ccddade7910df82e782e7427e5c4969775699502ba5b157ab8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1272b17762243ccddade7910df82e782e7427e5c4969775699502ba5b157ab8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1272b17762243ccddade7910df82e782e7427e5c4969775699502ba5b157ab8d", kill_on_drop: false }` [INFO] [stdout] 1272b17762243ccddade7910df82e782e7427e5c4969775699502ba5b157ab8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51a2e112b835a5685a34b0b864aad4d48f3dda4b9e6e162cde4be9fe96b4fa68 [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" "51a2e112b835a5685a34b0b864aad4d48f3dda4b9e6e162cde4be9fe96b4fa68", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking ascii v0.9.1 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling backtrace v0.3.20 [INFO] [stderr] Compiling jni v0.12.2 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking 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)]` 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 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)]` 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: `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] = note: `#[warn(unused_variables)]` on by default [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: 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] [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: associated function is never used: `new` [INFO] [stdout] --> src/executors.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/executors.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [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] = note: `#[warn(unused_variables)]` on by default [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: 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] [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/executors.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/executors.rs:242:12 [INFO] [stdout] | [INFO] [stdout] 242 | pub fn new(vm: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.44s [INFO] running `Command { std: "docker" "inspect" "51a2e112b835a5685a34b0b864aad4d48f3dda4b9e6e162cde4be9fe96b4fa68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51a2e112b835a5685a34b0b864aad4d48f3dda4b9e6e162cde4be9fe96b4fa68", kill_on_drop: false }` [INFO] [stdout] 51a2e112b835a5685a34b0b864aad4d48f3dda4b9e6e162cde4be9fe96b4fa68