[INFO] fetching crate libredr-client 0.0.14...
[INFO] testing libredr-client-0.0.14 against 1.75.0 for beta-1.76-1
[INFO] extracting crate libredr-client 0.0.14 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libredr-client 0.0.14 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libredr-client 0.0.14
[INFO] finished tweaking crates.io crate libredr-client 0.0.14
[INFO] tweaked toml for crates.io crate libredr-client 0.0.14 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded libredr-common v0.0.14
[INFO] [stderr]   Downloaded uuid-macro-internal v1.6.1
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[INFO] [stderr]    Compiling libredr-client v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.64s
[INFO] running `Command { std: "docker" "inspect" "ba3746789dde882c9e2f7b2bae1df488ee6a2f94fa24178c5e29ce9ce3648d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3746789dde882c9e2f7b2bae1df488ee6a2f94fa24178c5e29ce9ce3648d5d", kill_on_drop: false }`
[INFO] [stdout] ba3746789dde882c9e2f7b2bae1df488ee6a2f94fa24178c5e29ce9ce3648d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90f9d60fb7d0ff07f92ff6a111dd421f4c7154b9b58ba8031e428c5f61702e38
[INFO] running `Command { std: "docker" "start" "-a" "90f9d60fb7d0ff07f92ff6a111dd421f4c7154b9b58ba8031e428c5f61702e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libredr-client v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "90f9d60fb7d0ff07f92ff6a111dd421f4c7154b9b58ba8031e428c5f61702e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f9d60fb7d0ff07f92ff6a111dd421f4c7154b9b58ba8031e428c5f61702e38", kill_on_drop: false }`
[INFO] [stdout] 90f9d60fb7d0ff07f92ff6a111dd421f4c7154b9b58ba8031e428c5f61702e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5584d922678e18a1abbeec73557e0ba93c9dc80821f8c07db350784f0a8c0a1e
[INFO] running `Command { std: "docker" "start" "-a" "5584d922678e18a1abbeec73557e0ba93c9dc80821f8c07db350784f0a8c0a1e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libredr-6053160e8fb9fec1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libredr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client.rs - client::LibreDR::new (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::LibreDR::new (line 20) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LibreDR`
[INFO] [stdout]  --> src/client.rs:23:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout]   |                    ^^^^^^^ use of undeclared type `LibreDR`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use libredr::LibreDR;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LibreDR`
[INFO] [stdout]  --> src/client.rs:24:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout]   |                     ^^^^^^^ use of undeclared type `LibreDR`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use libredr::LibreDR;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/client.rs:23:84
[INFO] [stdout]   |
[INFO] [stdout] 5 | / async {
[INFO] [stdout] 6 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout]   | |                                                                                    ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 7 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/client.rs:24:98
[INFO] [stdout]   |
[INFO] [stdout] 5 | / async {
[INFO] [stdout] 6 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout] 7 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout]   | |                                                                                                  ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/client.rs:22:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_20_0() {
[INFO] [stdout]   |                                                                             - help: a return type might be missing here: `-> _`
[INFO] [stdout] 5 | / async {
[INFO] [stdout] 6 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout] 7 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^ expected `()`, found `async` block
[INFO] [stdout]   |
[INFO] [stdout]   = note:  expected unit type `()`
[INFO] [stdout]           found `async` block `{async block@src/client.rs:5:1: 8:2}`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::LibreDR::new (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5584d922678e18a1abbeec73557e0ba93c9dc80821f8c07db350784f0a8c0a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5584d922678e18a1abbeec73557e0ba93c9dc80821f8c07db350784f0a8c0a1e", kill_on_drop: false }`
[INFO] [stdout] 5584d922678e18a1abbeec73557e0ba93c9dc80821f8c07db350784f0a8c0a1e
[INFO] testing libredr-client-0.0.14 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate libredr-client 0.0.14 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate libredr-client 0.0.14 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libredr-client 0.0.14
[INFO] finished tweaking crates.io crate libredr-client 0.0.14
[INFO] tweaked toml for crates.io crate libredr-client 0.0.14 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libredr-client v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "ce5a39b131b81eeec789d1cedac5e967391307360e71eb062402f4d9c570282a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5a39b131b81eeec789d1cedac5e967391307360e71eb062402f4d9c570282a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
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[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libredr-e79a8abfcb25a3b9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libredr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client.rs - client::LibreDR::new (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::LibreDR::new (line 20) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LibreDR`
[INFO] [stdout]  --> src/client.rs:23:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout]   |                    ^^^^^^^ use of undeclared type `LibreDR`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use libredr::LibreDR;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LibreDR`
[INFO] [stdout]  --> src/client.rs:24:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout]   |                     ^^^^^^^ use of undeclared type `LibreDR`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use libredr::LibreDR;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/client.rs:23:84
[INFO] [stdout]   |
[INFO] [stdout] 5 | / async {
[INFO] [stdout] 6 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout]   | |                                                                                    ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 7 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/client.rs:24:98
[INFO] [stdout]   |
[INFO] [stdout] 5 | / async {
[INFO] [stdout] 6 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout] 7 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout]   | |                                                                                                  ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/client.rs:22:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_20_0() {
[INFO] [stdout]   |                                                                             - help: a return type might be missing here: `-> _`
[INFO] [stdout] 5 | / async {
[INFO] [stdout] 6 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout] 7 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^ expected `()`, found `async` block
[INFO] [stdout]   |
[INFO] [stdout]   = note:  expected unit type `()`
[INFO] [stdout]           found `async` block `{async block@src/client.rs:5:1: 8:2}`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::LibreDR::new (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e9f49dc7b474f1d9f12e23868057a6d11d02ddc7602bdbb6cedfdc55c5866365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f49dc7b474f1d9f12e23868057a6d11d02ddc7602bdbb6cedfdc55c5866365", kill_on_drop: false }`
[INFO] [stdout] e9f49dc7b474f1d9f12e23868057a6d11d02ddc7602bdbb6cedfdc55c5866365
