[INFO] cloning repository https://github.com/chw683/command_line
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chw683/command_line" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchw683%2Fcommand_line", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchw683%2Fcommand_line'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf349dbb8c1d86f331e17b25e07f0759023caae5
[INFO] testing chw683/command_line against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchw683%2Fcommand_line" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  93% (294/313)
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[INFO] validating manifest of git repo https://github.com/chw683/command_line on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chw683/command_line
[INFO] finished tweaking git repo https://github.com/chw683/command_line
[INFO] tweaked toml for git repo https://github.com/chw683/command_line written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/chw683/command_line already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 clap v2.33.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.9
[INFO] [stderr]   Downloaded structopt v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 192323e8c461dca7068774b5c86ed473efd43ef2b2b6b8756e56a61bc525ae8a
[INFO] running `Command { std: "docker" "start" "-a" "192323e8c461dca7068774b5c86ed473efd43ef2b2b6b8756e56a61bc525ae8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192323e8c461dca7068774b5c86ed473efd43ef2b2b6b8756e56a61bc525ae8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192323e8c461dca7068774b5c86ed473efd43ef2b2b6b8756e56a61bc525ae8a", kill_on_drop: false }`
[INFO] [stdout] 192323e8c461dca7068774b5c86ed473efd43ef2b2b6b8756e56a61bc525ae8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfb5ebbc1850088687791d6603a7caedbe2ce16660b36a028689ceb4a34686ac
[INFO] running `Command { std: "docker" "start" "-a" "cfb5ebbc1850088687791d6603a7caedbe2ce16660b36a028689ceb4a34686ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling paw-raw v1.0.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling command_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Cmd_Line` should have an upper camel case name
[INFO] [stdout]  --> src/command/cli.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Cmd_Line {
[INFO] [stdout]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `CmdLine`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `output` should have an upper camel case name
[INFO] [stdout]  --> src/initial/init.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     type output;
[INFO] [stdout]   |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/command/cli.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             _ => Ok(())
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]  --> src/command/cli.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tree: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command/cli.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 write!(f, "{}\t{}", "Accepte CLI agrs is : Pound", acorns);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command/cli.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 write!(f, "{}\t{}\t{}", "Accepte CLI agrs is : Sparkle", magicality, color);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command/cli.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 write!(f, "{}\t{}", "Accepte CLI agrs is : Finish  Work", work.typ);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "cfb5ebbc1850088687791d6603a7caedbe2ce16660b36a028689ceb4a34686ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb5ebbc1850088687791d6603a7caedbe2ce16660b36a028689ceb4a34686ac", kill_on_drop: false }`
[INFO] [stdout] cfb5ebbc1850088687791d6603a7caedbe2ce16660b36a028689ceb4a34686ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d815d6f5035220e7afaf094772431186503de9b036ef9b382b98584974bad0
[INFO] running `Command { std: "docker" "start" "-a" "d7d815d6f5035220e7afaf094772431186503de9b036ef9b382b98584974bad0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling command_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Cmd_Line` should have an upper camel case name
[INFO] [stdout]  --> src/command/cli.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Cmd_Line {
[INFO] [stdout]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `CmdLine`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `output` should have an upper camel case name
[INFO] [stdout]  --> src/initial/init.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     type output;
[INFO] [stdout]   |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/command/cli.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             _ => Ok(())
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]  --> src/command/cli.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tree: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command/cli.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 write!(f, "{}\t{}", "Accepte CLI agrs is : Pound", acorns);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command/cli.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 write!(f, "{}\t{}\t{}", "Accepte CLI agrs is : Sparkle", magicality, color);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/command/cli.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 write!(f, "{}\t{}", "Accepte CLI agrs is : Finish  Work", work.typ);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "d7d815d6f5035220e7afaf094772431186503de9b036ef9b382b98584974bad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d815d6f5035220e7afaf094772431186503de9b036ef9b382b98584974bad0", kill_on_drop: false }`
[INFO] [stdout] d7d815d6f5035220e7afaf094772431186503de9b036ef9b382b98584974bad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea86e840b2758f120df7de53deab9946edde83a58c136a25fd6a3bccc0bad810
[INFO] running `Command { std: "docker" "start" "-a" "ea86e840b2758f120df7de53deab9946edde83a58c136a25fd6a3bccc0bad810", kill_on_drop: false }`
[INFO] [stderr] warning: type `Cmd_Line` should have an upper camel case name
[INFO] [stderr]  --> src/command/cli.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Cmd_Line {
[INFO] [stderr]   |            ^^^^^^^^ help: convert the identifier to upper camel case: `CmdLine`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated type `output` should have an upper camel case name
[INFO] [stderr]  --> src/initial/init.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 |     type output;
[INFO] [stderr]   |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Output`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/command/cli.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             _ => Ok(())
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tree`
[INFO] [stderr]  --> src/command/cli.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     tree: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/command/cli.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 write!(f, "{}\t{}", "Accepte CLI agrs is : Pound", acorns);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/command/cli.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 write!(f, "{}\t{}\t{}", "Accepte CLI agrs is : Sparkle", magicality, color);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/command/cli.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 write!(f, "{}\t{}", "Accepte CLI agrs is : Finish  Work", work.typ);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `command_line` (bin "command_line" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/command_line-7225f42cc6d5cc5e)
[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" "ea86e840b2758f120df7de53deab9946edde83a58c136a25fd6a3bccc0bad810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea86e840b2758f120df7de53deab9946edde83a58c136a25fd6a3bccc0bad810", kill_on_drop: false }`
[INFO] [stdout] ea86e840b2758f120df7de53deab9946edde83a58c136a25fd6a3bccc0bad810