Dec 12 01:07:15.087 INFO checking Nyrox/ssnr against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:07:15.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 01:07:15.600 INFO [stdout] b9111c797eabc3d5ca2daf17e9ca46de1a34e1cc36b2ad327cf43c90a7ff9c2d
Dec 12 01:07:15.602 INFO running `"docker" "start" "-a" "b9111c797eabc3d5ca2daf17e9ca46de1a34e1cc36b2ad327cf43c90a7ff9c2d"`
Dec 12 01:07:17.956 INFO [stderr] usermod: no changes
Dec 12 01:07:18.076 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 12 01:07:18.076 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 12 01:07:18.076 INFO [stderr]     Checking gitignore v1.0.6
Dec 12 01:07:18.080 INFO [stderr]     Checking toml v0.4.5
Dec 12 01:07:18.121 INFO [stderr]     Checking msdos_time v0.1.5
Dec 12 01:07:22.006 INFO [stderr]     Checking flate2 v0.2.20
Dec 12 01:07:22.283 INFO [stderr]     Checking bzip2 v0.3.2
Dec 12 01:07:23.472 INFO [stderr]     Checking zip v0.2.6
Dec 12 01:07:24.454 INFO [stderr]     Checking ssnr v0.1.0 (/source)
Dec 12 01:07:25.602 INFO [stderr] warning: unused import: `std::process::Command`
Dec 12 01:07:25.602 INFO [stderr]  --> src/main.rs:4:5
Dec 12 01:07:25.602 INFO [stderr]   |
Dec 12 01:07:25.602 INFO [stderr] 4 | use std::process::Command;
Dec 12 01:07:25.602 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.602 INFO [stderr]   |
Dec 12 01:07:25.602 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:07:25.602 INFO [stderr] 
Dec 12 01:07:25.602 INFO [stderr] warning: unused imports: `OsRng`, `Rng`
Dec 12 01:07:25.602 INFO [stderr]  --> src/client.rs:6:19
Dec 12 01:07:25.602 INFO [stderr]   |
Dec 12 01:07:25.602 INFO [stderr] 6 | use self::rand::{ Rng, OsRng };
Dec 12 01:07:25.602 INFO [stderr]   |                   ^^^  ^^^^^
Dec 12 01:07:25.602 INFO [stderr] 
Dec 12 01:07:25.602 INFO [stderr] warning: unused import: `transmute`
Dec 12 01:07:25.602 INFO [stderr]   --> src/client.rs:14:16
Dec 12 01:07:25.602 INFO [stderr]    |
Dec 12 01:07:25.602 INFO [stderr] 14 | use std::mem::{transmute};
Dec 12 01:07:25.602 INFO [stderr]    |                ^^^^^^^^^
Dec 12 01:07:25.602 INFO [stderr] 
Dec 12 01:07:25.602 INFO [stderr] warning: unused import: `api`
Dec 12 01:07:25.602 INFO [stderr]   --> src/client.rs:18:5
Dec 12 01:07:25.602 INFO [stderr]    |
Dec 12 01:07:25.602 INFO [stderr] 18 | use api;
Dec 12 01:07:25.602 INFO [stderr]    |     ^^^
Dec 12 01:07:25.602 INFO [stderr] 
Dec 12 01:07:25.652 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.
Dec 12 01:07:25.652 INFO [stderr]   --> src/main.rs:26:24
Dec 12 01:07:25.652 INFO [stderr]    |
Dec 12 01:07:25.652 INFO [stderr] 26 |         let mut config_dir = std::env::home_dir().unwrap();
Dec 12 01:07:25.652 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.652 INFO [stderr]    |
Dec 12 01:07:25.652 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 01:07:25.652 INFO [stderr] 
Dec 12 01:07:25.852 INFO [stderr] warning: unused import: `std::process::Command`
Dec 12 01:07:25.852 INFO [stderr]  --> src/main.rs:4:5
Dec 12 01:07:25.852 INFO [stderr]   |
Dec 12 01:07:25.852 INFO [stderr] 4 | use std::process::Command;
Dec 12 01:07:25.852 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.852 INFO [stderr]   |
Dec 12 01:07:25.852 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:07:25.852 INFO [stderr] 
Dec 12 01:07:25.852 INFO [stderr] warning: unused imports: `OsRng`, `Rng`
Dec 12 01:07:25.852 INFO [stderr]  --> src/client.rs:6:19
Dec 12 01:07:25.852 INFO [stderr]   |
Dec 12 01:07:25.852 INFO [stderr] 6 | use self::rand::{ Rng, OsRng };
Dec 12 01:07:25.852 INFO [stderr]   |                   ^^^  ^^^^^
Dec 12 01:07:25.852 INFO [stderr] 
Dec 12 01:07:25.852 INFO [stderr] warning: unused import: `transmute`
Dec 12 01:07:25.852 INFO [stderr]   --> src/client.rs:14:16
Dec 12 01:07:25.852 INFO [stderr]    |
Dec 12 01:07:25.852 INFO [stderr] 14 | use std::mem::{transmute};
Dec 12 01:07:25.852 INFO [stderr]    |                ^^^^^^^^^
Dec 12 01:07:25.852 INFO [stderr] 
Dec 12 01:07:25.852 INFO [stderr] warning: unused import: `api`
Dec 12 01:07:25.852 INFO [stderr]   --> src/client.rs:18:5
Dec 12 01:07:25.852 INFO [stderr]    |
Dec 12 01:07:25.853 INFO [stderr] 18 | use api;
Dec 12 01:07:25.853 INFO [stderr]    |     ^^^
Dec 12 01:07:25.853 INFO [stderr] 
Dec 12 01:07:25.868 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.
Dec 12 01:07:25.868 INFO [stderr]   --> src/main.rs:26:24
Dec 12 01:07:25.868 INFO [stderr]    |
Dec 12 01:07:25.868 INFO [stderr] 26 |         let mut config_dir = std::env::home_dir().unwrap();
Dec 12 01:07:25.868 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.868 INFO [stderr]    |
Dec 12 01:07:25.868 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 01:07:25.868 INFO [stderr] 
Dec 12 01:07:25.956 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:07:25.956 INFO [stderr]   --> src/client.rs:73:7
Dec 12 01:07:25.956 INFO [stderr]    |
Dec 12 01:07:25.956 INFO [stderr] 73 |         let mut reader = Cursor::new(buffer);
Dec 12 01:07:25.956 INFO [stderr]    |             ----^^^^^^
Dec 12 01:07:25.956 INFO [stderr]    |             |
Dec 12 01:07:25.956 INFO [stderr]    |             help: remove this `mut`
Dec 12 01:07:25.956 INFO [stderr]    |
Dec 12 01:07:25.956 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 01:07:25.956 INFO [stderr] 
Dec 12 01:07:25.958 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.958 INFO [stderr]   --> src/client.rs:79:5
Dec 12 01:07:25.958 INFO [stderr]    |
Dec 12 01:07:25.958 INFO [stderr] 79 |                 fs::create_dir_all(file.name().split_at(sub).0);
Dec 12 01:07:25.958 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.958 INFO [stderr]    |
Dec 12 01:07:25.958 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 01:07:25.958 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.958 INFO [stderr] 
Dec 12 01:07:25.958 INFO [stderr] warning: variable `diskFile` should have a snake case name such as `disk_file`
Dec 12 01:07:25.958 INFO [stderr]   --> src/client.rs:84:8
Dec 12 01:07:25.958 INFO [stderr]    |
Dec 12 01:07:25.958 INFO [stderr] 84 |             let mut diskFile = File::create(file.name()).expect("Creating file failed");
Dec 12 01:07:25.958 INFO [stderr]    |                 ^^^^^^^^^^^^
Dec 12 01:07:25.958 INFO [stderr]    |
Dec 12 01:07:25.958 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 12 01:07:25.958 INFO [stderr] 
Dec 12 01:07:25.958 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.958 INFO [stderr]   --> src/api.rs:40:3
Dec 12 01:07:25.958 INFO [stderr]    |
Dec 12 01:07:25.958 INFO [stderr] 40 |         output.write_all(&self.command_header.encode());
Dec 12 01:07:25.958 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.958 INFO [stderr]    |
Dec 12 01:07:25.958 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.958 INFO [stderr] 
Dec 12 01:07:25.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.959 INFO [stderr]   --> src/api.rs:42:3
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr] 42 |         output.write_all(&len_bytes);
Dec 12 01:07:25.959 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.959 INFO [stderr] 
Dec 12 01:07:25.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.959 INFO [stderr]   --> src/api.rs:43:3
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr] 43 |         output.write_all(&self.id);
Dec 12 01:07:25.959 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.959 INFO [stderr] 
Dec 12 01:07:25.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.959 INFO [stderr]   --> src/api.rs:86:3
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr] 86 |         output.write_all(&self.command_header.encode());
Dec 12 01:07:25.959 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.959 INFO [stderr] 
Dec 12 01:07:25.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.959 INFO [stderr]   --> src/api.rs:88:3
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr] 88 |         output.write_all(&len_bytes);
Dec 12 01:07:25.959 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.959 INFO [stderr] 
Dec 12 01:07:25.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.959 INFO [stderr]   --> src/api.rs:89:3
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr] 89 |         output.write_all(&self.id);
Dec 12 01:07:25.959 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.959 INFO [stderr] 
Dec 12 01:07:25.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.959 INFO [stderr]   --> src/main.rs:28:3
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr] 28 |         fs::create_dir_all(config_dir.clone());
Dec 12 01:07:25.959 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.959 INFO [stderr]    |
Dec 12 01:07:25.959 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.960 INFO [stderr] 
Dec 12 01:07:25.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:25.964 INFO [stderr]   --> src/main.rs:33:4
Dec 12 01:07:25.964 INFO [stderr]    |
Dec 12 01:07:25.964 INFO [stderr] 33 |             file.read_to_string(&mut buffer);
Dec 12 01:07:25.964 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:25.964 INFO [stderr]    |
Dec 12 01:07:25.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:25.964 INFO [stderr] 
Dec 12 01:07:26.040 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:07:26.040 INFO [stderr]   --> src/client.rs:73:7
Dec 12 01:07:26.040 INFO [stderr]    |
Dec 12 01:07:26.040 INFO [stderr] 73 |         let mut reader = Cursor::new(buffer);
Dec 12 01:07:26.040 INFO [stderr]    |             ----^^^^^^
Dec 12 01:07:26.040 INFO [stderr]    |             |
Dec 12 01:07:26.040 INFO [stderr]    |             help: remove this `mut`
Dec 12 01:07:26.040 INFO [stderr]    |
Dec 12 01:07:26.040 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 01:07:26.040 INFO [stderr] 
Dec 12 01:07:26.044 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.044 INFO [stderr]   --> src/client.rs:79:5
Dec 12 01:07:26.044 INFO [stderr]    |
Dec 12 01:07:26.044 INFO [stderr] 79 |                 fs::create_dir_all(file.name().split_at(sub).0);
Dec 12 01:07:26.044 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.044 INFO [stderr]    |
Dec 12 01:07:26.044 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 01:07:26.044 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.044 INFO [stderr] 
Dec 12 01:07:26.044 INFO [stderr] warning: variable `diskFile` should have a snake case name such as `disk_file`
Dec 12 01:07:26.044 INFO [stderr]   --> src/client.rs:84:8
Dec 12 01:07:26.044 INFO [stderr]    |
Dec 12 01:07:26.044 INFO [stderr] 84 |             let mut diskFile = File::create(file.name()).expect("Creating file failed");
Dec 12 01:07:26.044 INFO [stderr]    |                 ^^^^^^^^^^^^
Dec 12 01:07:26.044 INFO [stderr]    |
Dec 12 01:07:26.044 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 12 01:07:26.044 INFO [stderr] 
Dec 12 01:07:26.044 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.044 INFO [stderr]   --> src/api.rs:40:3
Dec 12 01:07:26.044 INFO [stderr]    |
Dec 12 01:07:26.044 INFO [stderr] 40 |         output.write_all(&self.command_header.encode());
Dec 12 01:07:26.044 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.045 INFO [stderr]    |
Dec 12 01:07:26.045 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.045 INFO [stderr] 
Dec 12 01:07:26.045 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.045 INFO [stderr]   --> src/api.rs:42:3
Dec 12 01:07:26.045 INFO [stderr]    |
Dec 12 01:07:26.045 INFO [stderr] 42 |         output.write_all(&len_bytes);
Dec 12 01:07:26.045 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.045 INFO [stderr]    |
Dec 12 01:07:26.045 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.045 INFO [stderr] 
Dec 12 01:07:26.045 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.045 INFO [stderr]   --> src/api.rs:43:3
Dec 12 01:07:26.045 INFO [stderr]    |
Dec 12 01:07:26.045 INFO [stderr] 43 |         output.write_all(&self.id);
Dec 12 01:07:26.045 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.045 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.047 INFO [stderr] 
Dec 12 01:07:26.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.047 INFO [stderr]   --> src/api.rs:86:3
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr] 86 |         output.write_all(&self.command_header.encode());
Dec 12 01:07:26.047 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.047 INFO [stderr] 
Dec 12 01:07:26.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.047 INFO [stderr]   --> src/api.rs:88:3
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr] 88 |         output.write_all(&len_bytes);
Dec 12 01:07:26.047 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.047 INFO [stderr] 
Dec 12 01:07:26.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.047 INFO [stderr]   --> src/api.rs:89:3
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr] 89 |         output.write_all(&self.id);
Dec 12 01:07:26.047 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.047 INFO [stderr] 
Dec 12 01:07:26.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.047 INFO [stderr]   --> src/main.rs:28:3
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr] 28 |         fs::create_dir_all(config_dir.clone());
Dec 12 01:07:26.047 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.047 INFO [stderr] 
Dec 12 01:07:26.047 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:07:26.047 INFO [stderr]   --> src/main.rs:33:4
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr] 33 |             file.read_to_string(&mut buffer);
Dec 12 01:07:26.047 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:07:26.047 INFO [stderr]    |
Dec 12 01:07:26.047 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:07:26.047 INFO [stderr] 
Dec 12 01:07:26.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
Dec 12 01:07:26.136 INFO [stderr] su: No module specific data is present
Dec 12 01:07:26.933 INFO running `"docker" "inspect" "b9111c797eabc3d5ca2daf17e9ca46de1a34e1cc36b2ad327cf43c90a7ff9c2d"`
Dec 12 01:07:27.190 INFO running `"docker" "rm" "-f" "b9111c797eabc3d5ca2daf17e9ca46de1a34e1cc36b2ad327cf43c90a7ff9c2d"`
Dec 12 01:07:27.588 INFO [stdout] b9111c797eabc3d5ca2daf17e9ca46de1a34e1cc36b2ad327cf43c90a7ff9c2d