[INFO] fetching crate netter 0.5.0...
[INFO] building netter-0.5.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate netter 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate netter 0.5.0
[INFO] finished tweaking crates.io crate netter 0.5.0
[INFO] tweaked toml for crates.io crate netter 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netter 0.5.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate netter 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 375716fc3b48f7b31e3f902f74d60a178b69252fff721c7060ad16478f0f9c27
[INFO] running `Command { std: "docker" "start" "-a" "375716fc3b48f7b31e3f902f74d60a178b69252fff721c7060ad16478f0f9c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375716fc3b48f7b31e3f902f74d60a178b69252fff721c7060ad16478f0f9c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375716fc3b48f7b31e3f902f74d60a178b69252fff721c7060ad16478f0f9c27", kill_on_drop: false }`
[INFO] [stdout] 375716fc3b48f7b31e3f902f74d60a178b69252fff721c7060ad16478f0f9c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04ba3dead27945108f8d1e742e1e2a875c77c3fc5d7c63a4f5149a2e16da91a
[INFO] running `Command { std: "docker" "start" "-a" "f04ba3dead27945108f8d1e742e1e2a875c77c3fc5d7c63a4f5149a2e16da91a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_extra v1.3.0
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[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
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[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling aws-lc-rs v1.13.0
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[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
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[INFO] [stderr]    Compiling rustls v0.23.26
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[INFO] [stderr]    Compiling icu_collections v1.5.0
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[INFO] [stderr]    Compiling diesel_derives v2.2.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-tungstenite v0.26.2
[INFO] [stderr]    Compiling h2 v0.4.9
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling os_info v3.10.0
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling diesel v2.2.10
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling hyper-util v0.1.11
[INFO] [stderr]    Compiling rustls-webpki v0.103.1
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling netter_core v0.1.3
[INFO] [stderr]    Compiling netter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:548:21
[INFO] [stdout]     |
[INFO] [stdout] 548 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:554:21
[INFO] [stdout]     |
[INFO] [stdout] 554 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:560:21
[INFO] [stdout]     |
[INFO] [stdout] 560 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:566:21
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:572:21
[INFO] [stdout]     |
[INFO] [stdout] 572 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:582:21
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:376:21
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:382:21
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:388:21
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:394:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:400:21
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:410:14
[INFO] [stdout]     |
[INFO] [stdout] 410 |          let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_command` is never used
[INFO] [stdout]    --> src/main.rs:770:4
[INFO] [stdout]     |
[INFO] [stdout] 770 | fn run_command(command: &str, args: &[&str]) -> Result<ExitCode, Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:457:29
[INFO] [stdout]     |
[INFO] [stdout] 457 |             service_dest_str.clone()
[INFO] [stdout]     |                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.12s
[INFO] running `Command { std: "docker" "inspect" "f04ba3dead27945108f8d1e742e1e2a875c77c3fc5d7c63a4f5149a2e16da91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04ba3dead27945108f8d1e742e1e2a875c77c3fc5d7c63a4f5149a2e16da91a", kill_on_drop: false }`
[INFO] [stdout] f04ba3dead27945108f8d1e742e1e2a875c77c3fc5d7c63a4f5149a2e16da91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f62105846480ca85db6980ec3cd7ff70a6d7d3f64934d9e7ce57b375d20cbd3
[INFO] running `Command { std: "docker" "start" "-a" "5f62105846480ca85db6980ec3cd7ff70a6d7d3f64934d9e7ce57b375d20cbd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling netter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:548:21
[INFO] [stdout]     |
[INFO] [stdout] 548 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:554:21
[INFO] [stdout]     |
[INFO] [stdout] 554 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:376:21
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:382:21
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:388:21
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:394:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:400:21
[INFO] [stdout]     |
[INFO] [stdout] 400 |                 let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:410:14
[INFO] [stdout]     |
[INFO] [stdout] 410 |          let res = distributions_pathes(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:560:21
[INFO] [stdout]     |
[INFO] [stdout] 560 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:566:21
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:572:21
[INFO] [stdout]     |
[INFO] [stdout] 572 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:582:21
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 let res = uninstall_netterd_service(SERVICE_DEST_STR, UNIT_FILE_PATH).await;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_command` is never used
[INFO] [stdout]    --> src/main.rs:770:4
[INFO] [stdout]     |
[INFO] [stdout] 770 | fn run_command(command: &str, args: &[&str]) -> Result<ExitCode, Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:457:29
[INFO] [stdout]     |
[INFO] [stdout] 457 |             service_dest_str.clone()
[INFO] [stdout]     |                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "5f62105846480ca85db6980ec3cd7ff70a6d7d3f64934d9e7ce57b375d20cbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f62105846480ca85db6980ec3cd7ff70a6d7d3f64934d9e7ce57b375d20cbd3", kill_on_drop: false }`
[INFO] [stdout] 5f62105846480ca85db6980ec3cd7ff70a6d7d3f64934d9e7ce57b375d20cbd3
