[INFO] cloning repository https://github.com/Kerollmops/test-grenad-parameters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kerollmops/test-grenad-parameters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Ftest-grenad-parameters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Ftest-grenad-parameters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6869fa1cebea2cf8459e6df7ee494c6b507ed22a
[INFO] checking Kerollmops/test-grenad-parameters against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Ftest-grenad-parameters" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kerollmops/test-grenad-parameters
[INFO] finished tweaking git repo https://github.com/Kerollmops/test-grenad-parameters
[INFO] tweaked toml for git repo https://github.com/Kerollmops/test-grenad-parameters written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kerollmops/test-grenad-parameters on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kerollmops/test-grenad-parameters 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed18bbb2834377c215b4555e2de9cf011e815075f3c264be651ac91a4f2be90
[INFO] running `Command { std: "docker" "start" "-a" "fed18bbb2834377c215b4555e2de9cf011e815075f3c264be651ac91a4f2be90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed18bbb2834377c215b4555e2de9cf011e815075f3c264be651ac91a4f2be90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed18bbb2834377c215b4555e2de9cf011e815075f3c264be651ac91a4f2be90", kill_on_drop: false }`
[INFO] [stdout] fed18bbb2834377c215b4555e2de9cf011e815075f3c264be651ac91a4f2be90
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8240d07c518526d504a13609d8dbf477065e391b28ce5938aabc623b25cf9a9
[INFO] running `Command { std: "docker" "start" "-a" "a8240d07c518526d504a13609d8dbf477065e391b28ce5938aabc623b25cf9a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
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[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking rand v0.8.4
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[INFO] [stderr]     Checking os_str_bytes v4.2.0
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[INFO] [stderr]     Checking retain_mut v0.1.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking gabble v0.1.1
[INFO] [stderr]     Checking memmap2 v0.5.0
[INFO] [stderr]     Checking heed v0.12.1 (https://github.com/Kerollmops/heed?branch=v0.13#bc02a834)
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking roaring v0.8.1
[INFO] [stderr]     Checking grenad v0.4.1 (https://github.com/Kerollmops/grenad?branch=avoid-copying-too-much#6b777034)
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking test-grenad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]    --> src/main.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let Opts { verbose, folder, subcommand } = Opts::try_parse()?;
[INFO] [stdout]     |                ^^^^^^^ help: try ignoring the field: `verbose: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:604:9
[INFO] [stdout]     |
[INFO] [stdout] 604 |         i += 1;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]    --> src/main.rs:181:16
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let Opts { verbose, folder, subcommand } = Opts::try_parse()?;
[INFO] [stdout]     |                ^^^^^^^ help: try ignoring the field: `verbose: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |         i += 1;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:604:9
[INFO] [stdout]     |
[INFO] [stdout] 604 |         i += 1;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |         i += 1;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Results` is never constructed
[INFO] [stdout]    --> src/main.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | struct Results {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// The folder where to create the grenad databases.
[INFO] [stdout] 34 | |     #[clap(long)]
[INFO] [stdout] 35 | |     folder: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         #[clap(
[INFO] [stdout] 56 | |             long,
[INFO] [stdout] 57 | |             default_value = "direct",
[INFO] [stdout] 58 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 59 | |         )]
[INFO] [stdout] 60 | |         read_method: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | /         #[clap(
[INFO] [stdout] 63 | |             long,
[INFO] [stdout] 64 | |             default_value = "jump-only",
[INFO] [stdout] 65 | |             possible_values = POSSIBLE_SORT_METHODS,
[INFO] [stdout] 66 | |         )]
[INFO] [stdout] 67 | |         sort_by: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | /         /// The grenad file to read entries from to execute the extended suite of tests.
[INFO] [stdout] 79 | |         #[clap(long)]
[INFO] [stdout] 80 | |         file: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         #[clap(
[INFO] [stdout] 83 | |             long,
[INFO] [stdout] 84 | |             default_value = "direct",
[INFO] [stdout] 85 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 86 | |         )]
[INFO] [stdout] 87 | |         read_method: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         #[clap(
[INFO] [stdout] 90 | |             long,
[INFO] [stdout] 91 | |             default_value = "jump-only",
[INFO] [stdout] 92 | |             possible_values = POSSIBLE_SORT_METHODS,
[INFO] [stdout] 93 | |         )]
[INFO] [stdout] 94 | |         sort_by: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | /         /// The grenad file to read entries from to execute the extended suite of tests.
[INFO] [stdout] 101 | |         #[clap(long)]
[INFO] [stdout] 102 | |         file: PathBuf,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 | /         #[clap(
[INFO] [stdout] 105 | |             long,
[INFO] [stdout] 106 | |             default_value = "direct",
[INFO] [stdout] 107 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 108 | |         )]
[INFO] [stdout] 109 | |         read_method: String,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | /         #[clap(
[INFO] [stdout] 131 | |             long,
[INFO] [stdout] 132 | |             default_value = "direct",
[INFO] [stdout] 133 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 134 | |         )]
[INFO] [stdout] 135 | |         read_method: String,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | /         /// The grenad file to read entries from to execute the extended suite of tests.
[INFO] [stdout] 154 | |         #[clap(long)]
[INFO] [stdout] 155 | |         file: PathBuf,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Results` is never constructed
[INFO] [stdout]    --> src/main.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | struct Results {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// The folder where to create the grenad databases.
[INFO] [stdout] 34 | |     #[clap(long)]
[INFO] [stdout] 35 | |     folder: PathBuf,
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         #[clap(
[INFO] [stdout] 56 | |             long,
[INFO] [stdout] 57 | |             default_value = "direct",
[INFO] [stdout] 58 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 59 | |         )]
[INFO] [stdout] 60 | |         read_method: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | /         #[clap(
[INFO] [stdout] 63 | |             long,
[INFO] [stdout] 64 | |             default_value = "jump-only",
[INFO] [stdout] 65 | |             possible_values = POSSIBLE_SORT_METHODS,
[INFO] [stdout] 66 | |         )]
[INFO] [stdout] 67 | |         sort_by: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | /         /// The grenad file to read entries from to execute the extended suite of tests.
[INFO] [stdout] 79 | |         #[clap(long)]
[INFO] [stdout] 80 | |         file: PathBuf,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | /         #[clap(
[INFO] [stdout] 83 | |             long,
[INFO] [stdout] 84 | |             default_value = "direct",
[INFO] [stdout] 85 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 86 | |         )]
[INFO] [stdout] 87 | |         read_method: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         #[clap(
[INFO] [stdout] 90 | |             long,
[INFO] [stdout] 91 | |             default_value = "jump-only",
[INFO] [stdout] 92 | |             possible_values = POSSIBLE_SORT_METHODS,
[INFO] [stdout] 93 | |         )]
[INFO] [stdout] 94 | |         sort_by: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | /         /// The grenad file to read entries from to execute the extended suite of tests.
[INFO] [stdout] 101 | |         #[clap(long)]
[INFO] [stdout] 102 | |         file: PathBuf,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 | /         #[clap(
[INFO] [stdout] 105 | |             long,
[INFO] [stdout] 106 | |             default_value = "direct",
[INFO] [stdout] 107 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 108 | |         )]
[INFO] [stdout] 109 | |         read_method: String,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | /         #[clap(
[INFO] [stdout] 131 | |             long,
[INFO] [stdout] 132 | |             default_value = "direct",
[INFO] [stdout] 133 | |             possible_values = POSSIBLE_READ_METHODS,
[INFO] [stdout] 134 | |         )]
[INFO] [stdout] 135 | |         read_method: String,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | /         /// The grenad file to read entries from to execute the extended suite of tests.
[INFO] [stdout] 154 | |         #[clap(long)]
[INFO] [stdout] 155 | |         file: PathBuf,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test-grenad` (bin "test-grenad" test) due to 10 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `test-grenad` (bin "test-grenad") due to 10 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a8240d07c518526d504a13609d8dbf477065e391b28ce5938aabc623b25cf9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8240d07c518526d504a13609d8dbf477065e391b28ce5938aabc623b25cf9a9", kill_on_drop: false }`
[INFO] [stdout] a8240d07c518526d504a13609d8dbf477065e391b28ce5938aabc623b25cf9a9
