[INFO] cloning repository https://github.com/Protryon/synchrony
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Protryon/synchrony" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtryon%2Fsynchrony", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtryon%2Fsynchrony'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b326af8fc11a120d7f49e92672424159c38bbf1a
[INFO] checking Protryon/synchrony against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtryon%2Fsynchrony" "/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/Protryon/synchrony on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Protryon/synchrony
[INFO] finished tweaking git repo https://github.com/Protryon/synchrony
[INFO] tweaked toml for git repo https://github.com/Protryon/synchrony written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Protryon/synchrony already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1f835e41cbb5c4c665e3fa5e619f3d1e90ede5afa7d02e418e59c44a91c5c63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f835e41cbb5c4c665e3fa5e619f3d1e90ede5afa7d02e418e59c44a91c5c63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f835e41cbb5c4c665e3fa5e619f3d1e90ede5afa7d02e418e59c44a91c5c63c", kill_on_drop: false }`
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[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" "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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "bb02146fa7564abaea8a3ee83b2593d1503625531cd130f0e0ad626371f6daf9", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout]   |                                        ^^                                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout] 8 +     pub static ref NODE_TYPE: String = default_env("NODE_TYPE", "default");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout]   |                                         ^^                                  ^^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 9 -     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout] 9 +     pub static ref STORE_TYPE: String = default_env("STORE_TYPE", "redis");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout]    |                                         ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout] 10 +     pub static ref REDIS_HOST: String = default_env("REDIS_HOST", "127.0.0.1");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout]    |                                         ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout] 11 +     pub static ref REDIS_PORT: String = default_env("REDIS_PORT", "6379");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout]    |                                             ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout] 12 +     pub static ref REDIS_DATABASE: String = default_env("REDIS_DATABASE", "");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout]    |                                                  ^^                                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout] 13 +     pub static ref HTTP_SERVER_ENABLED: String = default_env("HTTP_SERVER_ENABLED", "true");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:14:48
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout]    |                                                ^^                                                   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout] 14 +     pub static ref HTTP_BIND_ADDRESS: String = default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout]    |                                           ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout] 15 +     pub static ref HTTP_API_KEY: String = default_env("HTTP_API_KEY", "dev_key");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/exec/executors/bash.rs:116:39
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout]     |                                       ^^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 116 -                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout] 116 +                     if arr.iter().any(|arg| !arg.is_string()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::exec::executor::*`
[INFO] [stdout]  --> src/threads/worker_thread.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::exec::executor::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/threads/worker_thread.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         thread::sleep_ms(1000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/ping_thread.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/scheduler_thread.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout]   |                                        ^^                                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout] 8 +     pub static ref NODE_TYPE: String = default_env("NODE_TYPE", "default");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout]   |                                         ^^                                  ^^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 9 -     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout] 9 +     pub static ref STORE_TYPE: String = default_env("STORE_TYPE", "redis");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout]    |                                         ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout] 10 +     pub static ref REDIS_HOST: String = default_env("REDIS_HOST", "127.0.0.1");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout]    |                                         ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout] 11 +     pub static ref REDIS_PORT: String = default_env("REDIS_PORT", "6379");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout]    |                                             ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout] 12 +     pub static ref REDIS_DATABASE: String = default_env("REDIS_DATABASE", "");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout]    |                                                  ^^                                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout] 13 +     pub static ref HTTP_SERVER_ENABLED: String = default_env("HTTP_SERVER_ENABLED", "true");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:14:48
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout]    |                                                ^^                                                   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout] 14 +     pub static ref HTTP_BIND_ADDRESS: String = default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout]    |                                           ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout] 15 +     pub static ref HTTP_API_KEY: String = default_env("HTTP_API_KEY", "dev_key");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/exec/executors/bash.rs:116:39
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout]     |                                       ^^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 116 -                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout] 116 +                     if arr.iter().any(|arg| !arg.is_string()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::exec::executor::*`
[INFO] [stdout]  --> src/threads/worker_thread.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::exec::executor::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         thread::sleep_ms(1000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/ping_thread.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/scheduler_thread.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/threads/scheduler_thread.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         thread::sleep_ms(1000);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.49s
[INFO] running `Command { std: "docker" "inspect" "bb02146fa7564abaea8a3ee83b2593d1503625531cd130f0e0ad626371f6daf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb02146fa7564abaea8a3ee83b2593d1503625531cd130f0e0ad626371f6daf9", kill_on_drop: false }`
[INFO] [stdout] bb02146fa7564abaea8a3ee83b2593d1503625531cd130f0e0ad626371f6daf9