[INFO] fetching crate gen-completions 0.6.0...
[INFO] checking gen-completions-0.6.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate gen-completions 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate gen-completions 0.6.0
[INFO] finished tweaking crates.io crate gen-completions 0.6.0
[INFO] tweaked toml for crates.io crate gen-completions 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gen-completions 0.6.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gen-completions 0.6.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c730e42f425c34d1d4cd5a1db97d4f290d2898ba5090d8e28e5a316f65da902d
[INFO] running `Command { std: "docker" "start" "-a" "c730e42f425c34d1d4cd5a1db97d4f290d2898ba5090d8e28e5a316f65da902d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c730e42f425c34d1d4cd5a1db97d4f290d2898ba5090d8e28e5a316f65da902d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c730e42f425c34d1d4cd5a1db97d4f290d2898ba5090d8e28e5a316f65da902d", kill_on_drop: false }`
[INFO] [stdout] c730e42f425c34d1d4cd5a1db97d4f290d2898ba5090d8e28e5a316f65da902d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe19c28f017bc91828607b6659d7da45313ffe62e8aeded1a71ea7ed3741d14
[INFO] running `Command { std: "docker" "start" "-a" "1fe19c28f017bc91828607b6659d7da45313ffe62e8aeded1a71ea7ed3741d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.1
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[INFO] [stderr]     Checking clap v4.5.3
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[INFO] [stderr]     Checking serde_kdl v0.1.0
[INFO] [stderr]     Checking gen-completions v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]   --> src/parse_deser/error.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     error: Box<DeserError>,
[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/parse_deser/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     source: io::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_code` is never read
[INFO] [stdout]   --> src/parse_deser/error.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     source_code: NamedSource,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     error: ParseError,
[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_code` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     source_code: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     prev_span: SourceSpan,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     msg: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     error: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     span: SourceSpan,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `label` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     help: Option<String>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `allowed` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     allowed: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `child_name` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     child_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     prev_span: SourceSpan,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]   --> src/parse_deser/error.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     error: Box<DeserError>,
[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/parse_deser/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     source: io::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_code` is never read
[INFO] [stdout]   --> src/parse_deser/error.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     source_code: NamedSource,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     error: ParseError,
[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_code` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     source_code: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     prev_span: SourceSpan,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     msg: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     error: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     span: SourceSpan,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `label` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     label: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flag` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]    --> src/parse_deser/kdl.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     help: Option<String>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `allowed` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     allowed: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `child_name` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     child_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     span: SourceSpan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_span` is never read
[INFO] [stdout]   --> src/parse_deser/kdl.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     prev_span: SourceSpan,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.85s
[INFO] running `Command { std: "docker" "inspect" "1fe19c28f017bc91828607b6659d7da45313ffe62e8aeded1a71ea7ed3741d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe19c28f017bc91828607b6659d7da45313ffe62e8aeded1a71ea7ed3741d14", kill_on_drop: false }`
[INFO] [stdout] 1fe19c28f017bc91828607b6659d7da45313ffe62e8aeded1a71ea7ed3741d14
