[INFO] fetching crate kraken-btc 0.1.0...
[INFO] checking kraken-btc-0.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate kraken-btc 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate kraken-btc 0.1.0
[INFO] finished tweaking crates.io crate kraken-btc 0.1.0
[INFO] tweaked toml for crates.io crate kraken-btc 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kraken-btc 0.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kraken-btc 0.1.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50da1913351877e471c2d35637cb24a969cc28dcd4acbbb1df118107ef589696
[INFO] running `Command { std: "docker" "start" "-a" "50da1913351877e471c2d35637cb24a969cc28dcd4acbbb1df118107ef589696", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `response::Response`
[INFO] [stdout]  --> src/networking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use response::Response;
[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: `response::Response`
[INFO] [stdout]  --> src/networking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use response::Response;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         source: NetworkingError,
[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 `source` is never read
[INFO] [stdout]   --> src/networking/error.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         source: serde_json::error::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         source: NetworkingError,
[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 `source` is never read
[INFO] [stdout]   --> src/networking/error.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         source: serde_json::error::Error,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/api/private.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct TradeInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  9 |     pub ordertxid: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 10 |     pub pair: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub time: f64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 12 |     pub price: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |     pub cost: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 14 |     pub fee: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub vol: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TradeInfo` has a derived impl for the trait `Debug`, 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: fields `status` and `trades` are never read
[INFO] [stdout]   --> src/api/private.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct OrderInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 20 |     pub status: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 21 |     pub trades: Vec<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/api/private.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct OrderCancellation {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 37 |     pub count: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderCancellation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `altname` is never read
[INFO] [stdout]  --> src/api/public.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AssetPair {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub altname: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AssetPair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ask` is never read
[INFO] [stdout]   --> src/api/public.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Ticker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 14 |     #[serde(rename = "a")]
[INFO] [stdout] 15 |     pub ask: Vec<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ticker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:58:70
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub fn fiat_currency(&'a mut self, fiat: &'a str) -> &'a mut Order {
[INFO] [stdout]    |                               --                  --          --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |                   |           |
[INFO] [stdout]    |                               |                   |           the same lifetime is named here
[INFO] [stdout]    |                               |                   the lifetime is named here
[INFO] [stdout]    |                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub fn fiat_currency(&'a mut self, fiat: &'a str) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:63:66
[INFO] [stdout]    |
[INFO] [stdout] 63 |         pub fn fiat_amount(&'a mut self, amount: i32) -> &'a mut Order {
[INFO] [stdout]    |                             --                            --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |                             |
[INFO] [stdout]    |                             the lifetime is named here    the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |         pub fn fiat_amount(&'a mut self, amount: i32) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:68:84
[INFO] [stdout]    |
[INFO] [stdout] 68 |         pub fn api_credentials(&'a mut self, key_pair: &'a KeyPair<'a>) -> &'a mut Order {
[INFO] [stdout]    |                                 --                      --         --       --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |                       |          |        |
[INFO] [stdout]    |                                 |                       |          |        the same lifetime is named here
[INFO] [stdout]    |                                 |                       |          the lifetime is named here
[INFO] [stdout]    |                                 |                       the lifetime is named here
[INFO] [stdout]    |                                 the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         pub fn api_credentials(&'a mut self, key_pair: &'a KeyPair<'a>) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:73:64
[INFO] [stdout]    |
[INFO] [stdout] 73 |         pub fn dry_run(&'a mut self, dry_run: bool) -> &'a mut Order {
[INFO] [stdout]    |                         --                              --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |                               |
[INFO] [stdout]    |                         the lifetime is named here      the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 |         pub fn dry_run(&'a mut self, dry_run: bool) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/api/private.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct TradeInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  9 |     pub ordertxid: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 10 |     pub pair: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub time: f64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 12 |     pub price: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |     pub cost: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 14 |     pub fee: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |     pub vol: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TradeInfo` has a derived impl for the trait `Debug`, 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: fields `status` and `trades` are never read
[INFO] [stdout]   --> src/api/private.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct OrderInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 20 |     pub status: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 21 |     pub trades: Vec<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/api/private.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct OrderCancellation {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 37 |     pub count: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderCancellation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `altname` is never read
[INFO] [stdout]  --> src/api/public.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AssetPair {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     pub altname: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AssetPair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ask` is never read
[INFO] [stdout]   --> src/api/public.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Ticker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 14 |     #[serde(rename = "a")]
[INFO] [stdout] 15 |     pub ask: Vec<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ticker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:58:70
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub fn fiat_currency(&'a mut self, fiat: &'a str) -> &'a mut Order {
[INFO] [stdout]    |                               --                  --          --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |                   |           |
[INFO] [stdout]    |                               |                   |           the same lifetime is named here
[INFO] [stdout]    |                               |                   the lifetime is named here
[INFO] [stdout]    |                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub fn fiat_currency(&'a mut self, fiat: &'a str) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:63:66
[INFO] [stdout]    |
[INFO] [stdout] 63 |         pub fn fiat_amount(&'a mut self, amount: i32) -> &'a mut Order {
[INFO] [stdout]    |                             --                            --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |                             |
[INFO] [stdout]    |                             the lifetime is named here    the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 63 |         pub fn fiat_amount(&'a mut self, amount: i32) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:68:84
[INFO] [stdout]    |
[INFO] [stdout] 68 |         pub fn api_credentials(&'a mut self, key_pair: &'a KeyPair<'a>) -> &'a mut Order {
[INFO] [stdout]    |                                 --                      --         --       --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |                       |          |        |
[INFO] [stdout]    |                                 |                       |          |        the same lifetime is named here
[INFO] [stdout]    |                                 |                       |          the lifetime is named here
[INFO] [stdout]    |                                 |                       the lifetime is named here
[INFO] [stdout]    |                                 the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         pub fn api_credentials(&'a mut self, key_pair: &'a KeyPair<'a>) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:73:64
[INFO] [stdout]    |
[INFO] [stdout] 73 |         pub fn dry_run(&'a mut self, dry_run: bool) -> &'a mut Order {
[INFO] [stdout]    |                         --                              --     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |                               |
[INFO] [stdout]    |                         the lifetime is named here      the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 |         pub fn dry_run(&'a mut self, dry_run: bool) -> &'a mut Order<'a> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.36s
[INFO] running `Command { std: "docker" "inspect" "2796590ad7fe853332aff949fcb68fc668689b9590eea0b630d7831d4a625d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2796590ad7fe853332aff949fcb68fc668689b9590eea0b630d7831d4a625d1e", kill_on_drop: false }`
[INFO] [stdout] 2796590ad7fe853332aff949fcb68fc668689b9590eea0b630d7831d4a625d1e
