[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Ftest_attach" "/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/vitvakatu/test_attach on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 backtrace v0.3.20
[INFO] [stderr]   Downloaded jni v0.12.2
[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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d4dcd7195800178d84e07a0ad6b50848ebdf9e1743c9bc587acbe6c3d64e43e
[INFO] running `Command { std: "docker" "start" "-a" "0d4dcd7195800178d84e07a0ad6b50848ebdf9e1743c9bc587acbe6c3d64e43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4dcd7195800178d84e07a0ad6b50848ebdf9e1743c9bc587acbe6c3d64e43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4dcd7195800178d84e07a0ad6b50848ebdf9e1743c9bc587acbe6c3d64e43e", kill_on_drop: false }`
[INFO] [stdout] 0d4dcd7195800178d84e07a0ad6b50848ebdf9e1743c9bc587acbe6c3d64e43e
[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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c020dce71a432c696a35d5411177b77f56c710a181d0ce45719728d6a2b2e5f
[INFO] running `Command { std: "docker" "start" "-a" "9c020dce71a432c696a35d5411177b77f56c710a181d0ce45719728d6a2b2e5f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling jni v0.12.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking test_detach v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stderr]        Fixed src/executors.rs (3 fixes)
[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<JavaVM>) -> 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<JavaVM>) -> Self {
[INFO] [stdout]     |            ^^^
[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<JavaVM>) -> 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<JavaVM>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.45s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking test_detach v0.1.0 (/tmp/fixit)
[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<JavaVM>) -> 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<JavaVM>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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<JavaVM>) -> 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<JavaVM>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "9c020dce71a432c696a35d5411177b77f56c710a181d0ce45719728d6a2b2e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c020dce71a432c696a35d5411177b77f56c710a181d0ce45719728d6a2b2e5f", kill_on_drop: false }`
[INFO] [stdout] 9c020dce71a432c696a35d5411177b77f56c710a181d0ce45719728d6a2b2e5f