[INFO] cloning repository https://github.com/kobutri/nats_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kobutri/nats_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobutri%2Fnats_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobutri%2Fnats_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb9297064c86b1d5669a9115f4cc9ff1e65208e4
[INFO] testing kobutri/nats_benchmark against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobutri%2Fnats_benchmark" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kobutri/nats_benchmark
[INFO] finished tweaking git repo https://github.com/kobutri/nats_benchmark
[INFO] tweaked toml for git repo https://github.com/kobutri/nats_benchmark written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kobutri/nats_benchmark on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kobutri/nats_benchmark 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39fee491497ce281c5692cca0f8ddadaea3771c7fe5d126cd85566df6df8a6c8
[INFO] running `Command { std: "docker" "start" "-a" "39fee491497ce281c5692cca0f8ddadaea3771c7fe5d126cd85566df6df8a6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39fee491497ce281c5692cca0f8ddadaea3771c7fe5d126cd85566df6df8a6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fee491497ce281c5692cca0f8ddadaea3771c7fe5d126cd85566df6df8a6c8", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bbc91c16dddfeec4f993b191adcbbe54511e471a7147cc9963e9176f6717108
[INFO] running `Command { std: "docker" "start" "-a" "2bbc91c16dddfeec4f993b191adcbbe54511e471a7147cc9963e9176f6717108", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures-executor v0.3.31
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[INFO] [stderr]    Compiling idna_adapter v1.2.1
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[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling bytes v1.10.1
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[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
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[INFO] [stderr]    Compiling tokio-websockets v0.10.1
[INFO] [stderr]    Compiling async-nats v0.41.0
[INFO] [stderr]    Compiling receiver v0.1.0 (/opt/rustwide/workdir/receiver)
[INFO] [stderr]    Compiling sender v0.1.0 (/opt/rustwide/workdir/sender)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> sender/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> receiver/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> sender/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     for i in 0..args.pool_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]    --> receiver/src/main.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |                     let elapsed = last_report.elapsed().as_secs_f64();
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> receiver/src/main.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |     for i in 0..args.pool_size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `messages` is never read
[INFO] [stdout]   --> receiver/src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct StreamStats {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 76 |     messages: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StreamStats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> receiver/src/main.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl ThroughputData {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn update(&mut self, current_throughput: f64, total_messages: u64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "2bbc91c16dddfeec4f993b191adcbbe54511e471a7147cc9963e9176f6717108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbc91c16dddfeec4f993b191adcbbe54511e471a7147cc9963e9176f6717108", kill_on_drop: false }`
[INFO] [stdout] 2bbc91c16dddfeec4f993b191adcbbe54511e471a7147cc9963e9176f6717108
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b20ad00461cff452a65625fd5069ec1c2220ff5531dd7f7c3ef713fae0ebe317
[INFO] running `Command { std: "docker" "start" "-a" "b20ad00461cff452a65625fd5069ec1c2220ff5531dd7f7c3ef713fae0ebe317", kill_on_drop: false }`
[INFO] [stderr]    Compiling receiver v0.1.0 (/opt/rustwide/workdir/receiver)
[INFO] [stderr]    Compiling sender v0.1.0 (/opt/rustwide/workdir/sender)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> receiver/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> sender/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]    --> receiver/src/main.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |                     let elapsed = last_report.elapsed().as_secs_f64();
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> receiver/src/main.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |     for i in 0..args.pool_size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> sender/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     for i in 0..args.pool_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `messages` is never read
[INFO] [stdout]   --> receiver/src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct StreamStats {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 76 |     messages: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StreamStats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> receiver/src/main.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl ThroughputData {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn update(&mut self, current_throughput: f64, total_messages: u64) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "b20ad00461cff452a65625fd5069ec1c2220ff5531dd7f7c3ef713fae0ebe317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20ad00461cff452a65625fd5069ec1c2220ff5531dd7f7c3ef713fae0ebe317", kill_on_drop: false }`
[INFO] [stdout] b20ad00461cff452a65625fd5069ec1c2220ff5531dd7f7c3ef713fae0ebe317
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f803386c575b3308166bd3093fef5344cd9a0b04b822e07e4375a7892e56eaec
[INFO] running `Command { std: "docker" "start" "-a" "f803386c575b3308166bd3093fef5344cd9a0b04b822e07e4375a7892e56eaec", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> sender/src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> sender/src/main.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     for i in 0..args.pool_size {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sender` (bin "sender" test) generated 2 warnings (run `cargo fix --bin "sender" -p sender --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> receiver/src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elapsed`
[INFO] [stderr]    --> receiver/src/main.rs:593:25
[INFO] [stderr]     |
[INFO] [stderr] 593 |                     let elapsed = last_report.elapsed().as_secs_f64();
[INFO] [stderr]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> receiver/src/main.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 520 |     for i in 0..args.pool_size {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: field `messages` is never read
[INFO] [stderr]   --> receiver/src/main.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct StreamStats {
[INFO] [stderr]    |        ----------- field in this struct
[INFO] [stderr] 76 |     messages: u64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StreamStats` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `update` is never used
[INFO] [stderr]   --> receiver/src/main.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | impl ThroughputData {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 99 |     fn update(&mut self, current_throughput: f64, total_messages: u64) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `receiver` (bin "receiver" test) generated 5 warnings (run `cargo fix --bin "receiver" -p receiver --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/receiver-b3a26987acc2c70b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sender-0b7814a444b965a1)
[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] running `Command { std: "docker" "inspect" "f803386c575b3308166bd3093fef5344cd9a0b04b822e07e4375a7892e56eaec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f803386c575b3308166bd3093fef5344cd9a0b04b822e07e4375a7892e56eaec", kill_on_drop: false }`
[INFO] [stdout] f803386c575b3308166bd3093fef5344cd9a0b04b822e07e4375a7892e56eaec
