[INFO] fetching crate mpdsh 0.1.0...
[INFO] testing mpdsh-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mpdsh 0.1.0 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate mpdsh 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpdsh 0.1.0
[INFO] finished tweaking crates.io crate mpdsh 0.1.0
[INFO] tweaked toml for crates.io crate mpdsh 0.1.0 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate crates.io crate mpdsh 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4babbbdac362acaf2a34729bf46dbe38004e3e9477ff18a07abeaee1e86770a1
[INFO] running `Command { std: "docker" "start" "-a" "4babbbdac362acaf2a34729bf46dbe38004e3e9477ff18a07abeaee1e86770a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4babbbdac362acaf2a34729bf46dbe38004e3e9477ff18a07abeaee1e86770a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4babbbdac362acaf2a34729bf46dbe38004e3e9477ff18a07abeaee1e86770a1", kill_on_drop: false }`
[INFO] [stdout] 4babbbdac362acaf2a34729bf46dbe38004e3e9477ff18a07abeaee1e86770a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b62430ecece9ae1843f38ff9cb5b48bcbf4f2325ffdd1383ac1b1545782b6f0
[INFO] running `Command { std: "docker" "start" "-a" "2b62430ecece9ae1843f38ff9cb5b48bcbf4f2325ffdd1383ac1b1545782b6f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling wildmatch v1.0.10
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling dirs-next v1.0.1
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]    Compiling rustyline v6.2.0
[INFO] [stderr]    Compiling mpdsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg_prog`
[INFO] [stdout]     --> src/main.rs:1329:9
[INFO] [stdout]      |
[INFO] [stdout] 1329 |     let arg_prog = args[0].clone();
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_prog`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bin`
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | ,   bin:        Option<Vec<u8>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmd_index`
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | ,   cmd_index:  i32
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_cmd`
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | ,   cur_cmd:    Option<String>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `worker_handle`
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     worker_handle:  thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | ,   version:        String
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hint_playlist`
[INFO] [stdout]    --> src/main.rs:646:8
[INFO] [stdout]     |
[INFO] [stdout] 646 |     fn hint_playlist( &mut self ) -> Vec<String>
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PKG_AUTHORS`
[INFO] [stdout]     --> src/main.rs:1323:1
[INFO] [stdout]      |
[INFO] [stdout] 1323 | const PKG_AUTHORS:  &'static str = env!("CARGO_PKG_AUTHORS");
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | /                 wtx.send(
[INFO] [stdout] 177 | |                     Ok(
[INFO] [stdout] 178 | |                         ExecOk
[INFO] [stdout] 179 | |                         {
[INFO] [stdout] ...   |
[INFO] [stdout] 183 | |                     )
[INFO] [stdout] 184 | |                 );
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 wtx.send( send );
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `Command { std: "docker" "inspect" "2b62430ecece9ae1843f38ff9cb5b48bcbf4f2325ffdd1383ac1b1545782b6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b62430ecece9ae1843f38ff9cb5b48bcbf4f2325ffdd1383ac1b1545782b6f0", kill_on_drop: false }`
[INFO] [stdout] 2b62430ecece9ae1843f38ff9cb5b48bcbf4f2325ffdd1383ac1b1545782b6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5b06b002ed506194a75bfa2337288383a18023f82096166d344993f0b0ff6e
[INFO] running `Command { std: "docker" "start" "-a" "fa5b06b002ed506194a75bfa2337288383a18023f82096166d344993f0b0ff6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpdsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg_prog`
[INFO] [stdout]     --> src/main.rs:1329:9
[INFO] [stdout]      |
[INFO] [stdout] 1329 |     let arg_prog = args[0].clone();
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_prog`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bin`
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | ,   bin:        Option<Vec<u8>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmd_index`
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | ,   cmd_index:  i32
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_cmd`
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | ,   cur_cmd:    Option<String>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `worker_handle`
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     worker_handle:  thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> src/main.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | ,   version:        String
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hint_playlist`
[INFO] [stdout]    --> src/main.rs:646:8
[INFO] [stdout]     |
[INFO] [stdout] 646 |     fn hint_playlist( &mut self ) -> Vec<String>
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PKG_AUTHORS`
[INFO] [stdout]     --> src/main.rs:1323:1
[INFO] [stdout]      |
[INFO] [stdout] 1323 | const PKG_AUTHORS:  &'static str = env!("CARGO_PKG_AUTHORS");
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | /                 wtx.send(
[INFO] [stdout] 177 | |                     Ok(
[INFO] [stdout] 178 | |                         ExecOk
[INFO] [stdout] 179 | |                         {
[INFO] [stdout] ...   |
[INFO] [stdout] 183 | |                     )
[INFO] [stdout] 184 | |                 );
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 wtx.send( send );
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "fa5b06b002ed506194a75bfa2337288383a18023f82096166d344993f0b0ff6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5b06b002ed506194a75bfa2337288383a18023f82096166d344993f0b0ff6e", kill_on_drop: false }`
[INFO] [stdout] fa5b06b002ed506194a75bfa2337288383a18023f82096166d344993f0b0ff6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccab339811de7492b6ed903547c724b6f1627ad1ad7d906f25a057fca212ecef
[INFO] running `Command { std: "docker" "start" "-a" "ccab339811de7492b6ed903547c724b6f1627ad1ad7d906f25a057fca212ecef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `arg_prog`
[INFO] [stderr]     --> src/main.rs:1329:9
[INFO] [stderr]      |
[INFO] [stderr] 1329 |     let arg_prog = args[0].clone();
[INFO] [stderr]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_prog`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bin`
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | ,   bin:        Option<Vec<u8>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cmd_index`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | ,   cmd_index:  i32
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cur_cmd`
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | ,   cur_cmd:    Option<String>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `worker_handle`
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     worker_handle:  thread::JoinHandle<()>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `version`
[INFO] [stderr]   --> src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | ,   version:        String
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hint_playlist`
[INFO] [stderr]    --> src/main.rs:646:8
[INFO] [stderr]     |
[INFO] [stderr] 646 |     fn hint_playlist( &mut self ) -> Vec<String>
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PKG_AUTHORS`
[INFO] [stderr]     --> src/main.rs:1323:1
[INFO] [stderr]      |
[INFO] [stderr] 1323 | const PKG_AUTHORS:  &'static str = env!("CARGO_PKG_AUTHORS");
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 | /                 wtx.send(
[INFO] [stderr] 177 | |                     Ok(
[INFO] [stderr] 178 | |                         ExecOk
[INFO] [stderr] 179 | |                         {
[INFO] [stderr] ...   |
[INFO] [stderr] 183 | |                     )
[INFO] [stderr] 184 | |                 );
[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] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:310:17
[INFO] [stderr]     |
[INFO] [stderr] 310 |                 wtx.send( send );
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `mpdsh` (bin "mpdsh" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpdsh-831b36e4ccbf5faf)
[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" "ccab339811de7492b6ed903547c724b6f1627ad1ad7d906f25a057fca212ecef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccab339811de7492b6ed903547c724b6f1627ad1ad7d906f25a057fca212ecef", kill_on_drop: false }`
[INFO] [stdout] ccab339811de7492b6ed903547c724b6f1627ad1ad7d906f25a057fca212ecef