Nov 28 11:52:23.113 INFO checking Nyrox/ssnr against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:52:23.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 11:52:23.648 INFO [stdout] 2dd1ff16d09b16393c4064a045d9f471fa6e84409eb91678b6b056f4509a8080
Nov 28 11:52:23.650 INFO running `"docker" "start" "-a" "2dd1ff16d09b16393c4064a045d9f471fa6e84409eb91678b6b056f4509a8080"`
Nov 28 11:52:25.192 INFO [stderr] usermod: no changes
Nov 28 11:52:25.324 INFO [stderr]    Compiling bzip2-sys v0.1.6
Nov 28 11:52:25.324 INFO [stderr]     Checking gitignore v1.0.6
Nov 28 11:52:25.324 INFO [stderr]     Checking toml v0.4.5
Nov 28 11:52:25.324 INFO [stderr]     Checking msdos_time v0.1.5
Nov 28 11:52:25.336 INFO [stderr]     Checking miniz-sys v0.1.10
Nov 28 11:52:27.101 INFO [stderr]     Checking flate2 v0.2.20
Nov 28 11:52:31.052 INFO [stderr]     Checking bzip2 v0.3.2
Nov 28 11:52:31.764 INFO [stderr]     Checking zip v0.2.6
Nov 28 11:52:32.904 INFO [stderr]     Checking ssnr v0.1.0 (/source)
Nov 28 11:52:34.256 INFO [stderr] warning: unused import: `std::process::Command`
Nov 28 11:52:34.260 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:52:34.260 INFO [stderr]   |
Nov 28 11:52:34.260 INFO [stderr] 4 | use std::process::Command;
Nov 28 11:52:34.260 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.260 INFO [stderr]   |
Nov 28 11:52:34.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:52:34.260 INFO [stderr] 
Nov 28 11:52:34.260 INFO [stderr] warning: unused imports: `OsRng`, `Rng`
Nov 28 11:52:34.260 INFO [stderr]  --> src/client.rs:6:19
Nov 28 11:52:34.260 INFO [stderr]   |
Nov 28 11:52:34.260 INFO [stderr] 6 | use self::rand::{ Rng, OsRng };
Nov 28 11:52:34.260 INFO [stderr]   |                   ^^^  ^^^^^
Nov 28 11:52:34.260 INFO [stderr] 
Nov 28 11:52:34.260 INFO [stderr] warning: unused import: `transmute`
Nov 28 11:52:34.260 INFO [stderr]   --> src/client.rs:14:16
Nov 28 11:52:34.260 INFO [stderr]    |
Nov 28 11:52:34.260 INFO [stderr] 14 | use std::mem::{transmute};
Nov 28 11:52:34.260 INFO [stderr]    |                ^^^^^^^^^
Nov 28 11:52:34.260 INFO [stderr] 
Nov 28 11:52:34.261 INFO [stderr] warning: unused import: `api`
Nov 28 11:52:34.261 INFO [stderr]   --> src/client.rs:18:5
Nov 28 11:52:34.261 INFO [stderr]    |
Nov 28 11:52:34.261 INFO [stderr] 18 | use api;
Nov 28 11:52:34.261 INFO [stderr]    |     ^^^
Nov 28 11:52:34.261 INFO [stderr] 
Nov 28 11:52:34.276 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Nov 28 11:52:34.276 INFO [stderr]   --> src/main.rs:26:24
Nov 28 11:52:34.276 INFO [stderr]    |
Nov 28 11:52:34.276 INFO [stderr] 26 |         let mut config_dir = std::env::home_dir().unwrap();
Nov 28 11:52:34.276 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.276 INFO [stderr]    |
Nov 28 11:52:34.276 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 28 11:52:34.276 INFO [stderr] 
Nov 28 11:52:34.350 INFO [stderr] warning: unused import: `std::process::Command`
Nov 28 11:52:34.350 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:52:34.350 INFO [stderr]   |
Nov 28 11:52:34.350 INFO [stderr] 4 | use std::process::Command;
Nov 28 11:52:34.350 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.350 INFO [stderr]   |
Nov 28 11:52:34.350 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:52:34.350 INFO [stderr] 
Nov 28 11:52:34.350 INFO [stderr] warning: unused imports: `OsRng`, `Rng`
Nov 28 11:52:34.350 INFO [stderr]  --> src/client.rs:6:19
Nov 28 11:52:34.350 INFO [stderr]   |
Nov 28 11:52:34.350 INFO [stderr] 6 | use self::rand::{ Rng, OsRng };
Nov 28 11:52:34.350 INFO [stderr]   |                   ^^^  ^^^^^
Nov 28 11:52:34.350 INFO [stderr] 
Nov 28 11:52:34.350 INFO [stderr] warning: unused import: `transmute`
Nov 28 11:52:34.350 INFO [stderr]   --> src/client.rs:14:16
Nov 28 11:52:34.350 INFO [stderr]    |
Nov 28 11:52:34.350 INFO [stderr] 14 | use std::mem::{transmute};
Nov 28 11:52:34.350 INFO [stderr]    |                ^^^^^^^^^
Nov 28 11:52:34.350 INFO [stderr] 
Nov 28 11:52:34.351 INFO [stderr] warning: unused import: `api`
Nov 28 11:52:34.351 INFO [stderr]   --> src/client.rs:18:5
Nov 28 11:52:34.351 INFO [stderr]    |
Nov 28 11:52:34.351 INFO [stderr] 18 | use api;
Nov 28 11:52:34.351 INFO [stderr]    |     ^^^
Nov 28 11:52:34.351 INFO [stderr] 
Nov 28 11:52:34.356 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Nov 28 11:52:34.356 INFO [stderr]   --> src/main.rs:26:24
Nov 28 11:52:34.356 INFO [stderr]    |
Nov 28 11:52:34.356 INFO [stderr] 26 |         let mut config_dir = std::env::home_dir().unwrap();
Nov 28 11:52:34.356 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.356 INFO [stderr]    |
Nov 28 11:52:34.356 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 28 11:52:34.356 INFO [stderr] 
Nov 28 11:52:34.408 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:52:34.408 INFO [stderr]   --> src/client.rs:73:7
Nov 28 11:52:34.408 INFO [stderr]    |
Nov 28 11:52:34.408 INFO [stderr] 73 |         let mut reader = Cursor::new(buffer);
Nov 28 11:52:34.408 INFO [stderr]    |             ----^^^^^^
Nov 28 11:52:34.408 INFO [stderr]    |             |
Nov 28 11:52:34.408 INFO [stderr]    |             help: remove this `mut`
Nov 28 11:52:34.408 INFO [stderr]    |
Nov 28 11:52:34.408 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:52:34.408 INFO [stderr] 
Nov 28 11:52:34.414 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.414 INFO [stderr]   --> src/client.rs:79:5
Nov 28 11:52:34.414 INFO [stderr]    |
Nov 28 11:52:34.414 INFO [stderr] 79 |                 fs::create_dir_all(file.name().split_at(sub).0);
Nov 28 11:52:34.414 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.414 INFO [stderr]    |
Nov 28 11:52:34.414 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:52:34.414 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.414 INFO [stderr] 
Nov 28 11:52:34.414 INFO [stderr] warning: variable `diskFile` should have a snake case name such as `disk_file`
Nov 28 11:52:34.414 INFO [stderr]   --> src/client.rs:84:8
Nov 28 11:52:34.414 INFO [stderr]    |
Nov 28 11:52:34.414 INFO [stderr] 84 |             let mut diskFile = File::create(file.name()).expect("Creating file failed");
Nov 28 11:52:34.414 INFO [stderr]    |                 ^^^^^^^^^^^^
Nov 28 11:52:34.414 INFO [stderr]    |
Nov 28 11:52:34.414 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 11:52:34.414 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/api.rs:40:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 40 |         output.write_all(&self.command_header.encode());
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/api.rs:42:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 42 |         output.write_all(&len_bytes);
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/api.rs:43:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 43 |         output.write_all(&self.id);
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/api.rs:86:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 86 |         output.write_all(&self.command_header.encode());
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/api.rs:88:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 88 |         output.write_all(&len_bytes);
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/api.rs:89:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 89 |         output.write_all(&self.id);
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/main.rs:28:3
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 28 |         fs::create_dir_all(config_dir.clone());
Nov 28 11:52:34.417 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.417 INFO [stderr] 
Nov 28 11:52:34.417 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.417 INFO [stderr]   --> src/main.rs:33:4
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr] 33 |             file.read_to_string(&mut buffer);
Nov 28 11:52:34.417 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.417 INFO [stderr]    |
Nov 28 11:52:34.417 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.418 INFO [stderr] 
Nov 28 11:52:34.641 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:52:34.641 INFO [stderr]   --> src/client.rs:73:7
Nov 28 11:52:34.641 INFO [stderr]    |
Nov 28 11:52:34.641 INFO [stderr] 73 |         let mut reader = Cursor::new(buffer);
Nov 28 11:52:34.641 INFO [stderr]    |             ----^^^^^^
Nov 28 11:52:34.641 INFO [stderr]    |             |
Nov 28 11:52:34.641 INFO [stderr]    |             help: remove this `mut`
Nov 28 11:52:34.641 INFO [stderr]    |
Nov 28 11:52:34.641 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:52:34.641 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.650 INFO [stderr]   --> src/client.rs:79:5
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 79 |                 fs::create_dir_all(file.name().split_at(sub).0);
Nov 28 11:52:34.650 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:52:34.650 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.650 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: variable `diskFile` should have a snake case name such as `disk_file`
Nov 28 11:52:34.650 INFO [stderr]   --> src/client.rs:84:8
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 84 |             let mut diskFile = File::create(file.name()).expect("Creating file failed");
Nov 28 11:52:34.650 INFO [stderr]    |                 ^^^^^^^^^^^^
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 11:52:34.650 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.650 INFO [stderr]   --> src/api.rs:40:3
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 40 |         output.write_all(&self.command_header.encode());
Nov 28 11:52:34.650 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.650 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.650 INFO [stderr]   --> src/api.rs:42:3
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 42 |         output.write_all(&len_bytes);
Nov 28 11:52:34.650 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.650 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.650 INFO [stderr]   --> src/api.rs:43:3
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 43 |         output.write_all(&self.id);
Nov 28 11:52:34.650 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.650 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.650 INFO [stderr]   --> src/api.rs:86:3
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 86 |         output.write_all(&self.command_header.encode());
Nov 28 11:52:34.650 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.650 INFO [stderr] 
Nov 28 11:52:34.650 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.650 INFO [stderr]   --> src/api.rs:88:3
Nov 28 11:52:34.650 INFO [stderr]    |
Nov 28 11:52:34.650 INFO [stderr] 88 |         output.write_all(&len_bytes);
Nov 28 11:52:34.650 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.651 INFO [stderr] 
Nov 28 11:52:34.651 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.651 INFO [stderr]   --> src/api.rs:89:3
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr] 89 |         output.write_all(&self.id);
Nov 28 11:52:34.651 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.651 INFO [stderr] 
Nov 28 11:52:34.651 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.651 INFO [stderr]   --> src/main.rs:28:3
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr] 28 |         fs::create_dir_all(config_dir.clone());
Nov 28 11:52:34.651 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.651 INFO [stderr] 
Nov 28 11:52:34.651 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:52:34.651 INFO [stderr]   --> src/main.rs:33:4
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr] 33 |             file.read_to_string(&mut buffer);
Nov 28 11:52:34.651 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:52:34.651 INFO [stderr]    |
Nov 28 11:52:34.651 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:52:34.651 INFO [stderr] 
Nov 28 11:52:34.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
Nov 28 11:52:34.696 INFO [stderr] su: No module specific data is present
Nov 28 11:52:35.286 INFO running `"docker" "inspect" "2dd1ff16d09b16393c4064a045d9f471fa6e84409eb91678b6b056f4509a8080"`
Nov 28 11:52:35.521 INFO running `"docker" "rm" "-f" "2dd1ff16d09b16393c4064a045d9f471fa6e84409eb91678b6b056f4509a8080"`
Nov 28 11:52:35.751 INFO [stdout] 2dd1ff16d09b16393c4064a045d9f471fa6e84409eb91678b6b056f4509a8080