[INFO] cloning repository https://github.com/hvze/pill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hvze/pill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d12f3618cb0bf44a7293b33fad8e34dce4a8885
[INFO] checking hvze/pill against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hvze/pill
[INFO] finished tweaking git repo https://github.com/hvze/pill
[INFO] tweaked toml for git repo https://github.com/hvze/pill written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hvze/pill on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hvze/pill 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking hvze/pill against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhvze%2Fpill" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hvze/pill
[INFO] finished tweaking git repo https://github.com/hvze/pill
[INFO] tweaked toml for git repo https://github.com/hvze/pill written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hvze/pill on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hvze/pill 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.20
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded xattr v0.1.11
[INFO] [stderr]   Downloaded either v1.4.0
[INFO] [stderr]   Downloaded tempfile v2.2.0
[INFO] [stderr]   Downloaded termcolor v0.3.3
[INFO] [stderr]   Downloaded wincolor v0.1.4
[INFO] [stderr]   Downloaded bzip2 v0.3.2
[INFO] [stderr]   Downloaded gag v0.1.9
[INFO] [stderr]   Downloaded filetime v0.1.14
[INFO] [stderr]   Downloaded enum-set v0.0.7
[INFO] [stderr]   Downloaded pcre v0.2.3
[INFO] [stderr]   Downloaded cc v1.0.0
[INFO] [stderr]   Downloaded tar v0.4.13
[INFO] [stderr]   Downloaded bzip2-sys v0.1.6
[INFO] [stderr]   Downloaded libpcre-sys v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 408a3630802942117dc1945b0b1c4697a62a03bff6967f651e213d3aa36b773d
[INFO] running `Command { std: "docker" "start" "-a" "408a3630802942117dc1945b0b1c4697a62a03bff6967f651e213d3aa36b773d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408a3630802942117dc1945b0b1c4697a62a03bff6967f651e213d3aa36b773d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408a3630802942117dc1945b0b1c4697a62a03bff6967f651e213d3aa36b773d", kill_on_drop: false }`
[INFO] [stdout] 408a3630802942117dc1945b0b1c4697a62a03bff6967f651e213d3aa36b773d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd90833bf59c62ee3925a2102b36c6892bdd37998aef8a27a0939b335e6af3b6
[INFO] running `Command { std: "docker" "start" "-a" "bd90833bf59c62ee3925a2102b36c6892bdd37998aef8a27a0939b335e6af3b6", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking enum-set v0.0.7
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking gag v0.1.9
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling libpcre-sys v0.2.2
[INFO] [stderr]     Checking pcre v0.2.3
[INFO] [stderr]     Checking pill v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/interpreter.rs:478:53
[INFO] [stdout]     |
[INFO] [stdout] 478 |             let error_rh = rh.new_by(-(nls as i32), ((-rh.column) + code.len() as i32));
[INFO] [stdout]     |                                                     ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 478 -             let error_rh = rh.new_by(-(nls as i32), ((-rh.column) + code.len() as i32));
[INFO] [stdout] 478 +             let error_rh = rh.new_by(-(nls as i32), (-rh.column) + code.len() as i32 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     let err_tail = repeat((xstr.len() as i32 - head.column), '-');
[INFO] [stdout]     |                                           ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -                     let err_tail = repeat((xstr.len() as i32 - head.column), '-');
[INFO] [stdout] 108 +                     let err_tail = repeat(xstr.len() as i32 - head.column , '-');
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/interpreter.rs:478:53
[INFO] [stdout]     |
[INFO] [stdout] 478 |             let error_rh = rh.new_by(-(nls as i32), ((-rh.column) + code.len() as i32));
[INFO] [stdout]     |                                                     ^                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 478 -             let error_rh = rh.new_by(-(nls as i32), ((-rh.column) + code.len() as i32));
[INFO] [stdout] 478 +             let error_rh = rh.new_by(-(nls as i32), (-rh.column) + code.len() as i32 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/main.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     let err_tail = repeat((xstr.len() as i32 - head.column), '-');
[INFO] [stdout]     |                                           ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -                     let err_tail = repeat((xstr.len() as i32 - head.column), '-');
[INFO] [stdout] 108 +                     let err_tail = repeat(xstr.len() as i32 - head.column , '-');
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_inst_sb` is never read
[INFO] [stdout]    --> src/interpreter.rs:633:29
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...                   cur_inst_sb.is_reading_arguments = true;
[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 `cur_inst_sb` is never read
[INFO] [stdout]    --> src/interpreter.rs:644:29
[INFO] [stdout]     |
[INFO] [stdout] 644 | ...                   cur_inst_sb.is_reading_arguments = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_inst_sb` is never read
[INFO] [stdout]    --> src/interpreter.rs:688:29
[INFO] [stdout]     |
[INFO] [stdout] 688 | ...                   cur_inst_sb.is_reading_codes = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_inst_sb` is never read
[INFO] [stdout]    --> src/interpreter.rs:633:29
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...                   cur_inst_sb.is_reading_arguments = true;
[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 `cur_inst_sb` is never read
[INFO] [stdout]    --> src/interpreter.rs:644:29
[INFO] [stdout]     |
[INFO] [stdout] 644 | ...                   cur_inst_sb.is_reading_arguments = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cur_inst_sb` is never read
[INFO] [stdout]    --> src/interpreter.rs:688:29
[INFO] [stdout]     |
[INFO] [stdout] 688 | ...                   cur_inst_sb.is_reading_codes = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_variable` is never read
[INFO] [stdout]   --> src/interpreter.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub struct Register {
[INFO] [stdout]    |                -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |         pub is_variable: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `0` is never read
[INFO] [stdout]   --> src/opcodes.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |         RegisterReference(String),
[INFO] [stdout]    |         ----------------- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExpressionType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -         RegisterReference(String),
[INFO] [stdout] 17 +         RegisterReference(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/opcodes.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |         InstructionReference(String, Vec<String>),
[INFO] [stdout]    |         --------------------         ^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExpressionType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -         InstructionReference(String, Vec<String>),
[INFO] [stdout] 20 +         InstructionReference(String, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_variable` is never read
[INFO] [stdout]   --> src/interpreter.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub struct Register {
[INFO] [stdout]    |                -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |         pub is_variable: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `0` is never read
[INFO] [stdout]   --> src/opcodes.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |         RegisterReference(String),
[INFO] [stdout]    |         ----------------- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExpressionType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -         RegisterReference(String),
[INFO] [stdout] 17 +         RegisterReference(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/opcodes.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |         InstructionReference(String, Vec<String>),
[INFO] [stdout]    |         --------------------         ^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExpressionType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -         InstructionReference(String, Vec<String>),
[INFO] [stdout] 20 +         InstructionReference(String, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/interpreter.rs:779:17
[INFO] [stdout]     |
[INFO] [stdout] 779 |                 self.scan_instructions(true);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/interpreter.rs:779:17
[INFO] [stdout]     |
[INFO] [stdout] 779 |                 self.scan_instructions(true);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "bd90833bf59c62ee3925a2102b36c6892bdd37998aef8a27a0939b335e6af3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd90833bf59c62ee3925a2102b36c6892bdd37998aef8a27a0939b335e6af3b6", kill_on_drop: false }`
[INFO] [stdout] bd90833bf59c62ee3925a2102b36c6892bdd37998aef8a27a0939b335e6af3b6
