Dec 18 06:07:42.704 INFO checking Nyrox/ssnr against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:07:42.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Nyrox/ssnr:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:07:43.003 INFO [stdout] b187c46eb64e4c542f48760601c6e1a020bdbc655b1d4199fdac7cd1164b9b03
Dec 18 06:07:43.009 INFO running `"docker" "start" "-a" "b187c46eb64e4c542f48760601c6e1a020bdbc655b1d4199fdac7cd1164b9b03"`
Dec 18 06:07:43.738 INFO [stderr]     Blocking waiting for file lock on the registry index
Dec 18 06:07:44.250 INFO [stderr]     Checking gitignore v1.0.6
Dec 18 06:07:44.256 INFO [stderr]     Checking msdos_time v0.1.5
Dec 18 06:07:44.264 INFO [stderr]     Checking bzip2-sys v0.1.6
Dec 18 06:07:44.813 INFO [stderr]     Checking bzip2 v0.3.2
Dec 18 06:07:45.360 INFO [stderr]     Checking zip v0.2.6
Dec 18 06:07:46.205 INFO [stderr]     Checking ssnr v0.1.0 (/opt/crater/workdir)
Dec 18 06:07:46.888 INFO [stderr] warning: unused import: `std::process::Command`
Dec 18 06:07:46.888 INFO [stderr]  --> src/main.rs:4:5
Dec 18 06:07:46.888 INFO [stderr]   |
Dec 18 06:07:46.889 INFO [stderr] 4 | use std::process::Command;
Dec 18 06:07:46.889 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:46.889 INFO [stderr]   |
Dec 18 06:07:46.890 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:07:46.890 INFO [stderr] 
Dec 18 06:07:46.890 INFO [stderr] warning: unused imports: `OsRng`, `Rng`
Dec 18 06:07:46.890 INFO [stderr]  --> src/client.rs:6:19
Dec 18 06:07:46.891 INFO [stderr]   |
Dec 18 06:07:46.891 INFO [stderr] 6 | use self::rand::{ Rng, OsRng };
Dec 18 06:07:46.891 INFO [stderr]   |                   ^^^  ^^^^^
Dec 18 06:07:46.891 INFO [stderr] 
Dec 18 06:07:46.892 INFO [stderr] warning: unused import: `transmute`
Dec 18 06:07:46.892 INFO [stderr]   --> src/client.rs:14:16
Dec 18 06:07:46.892 INFO [stderr]    |
Dec 18 06:07:46.893 INFO [stderr] 14 | use std::mem::{transmute};
Dec 18 06:07:46.893 INFO [stderr]    |                ^^^^^^^^^
Dec 18 06:07:46.893 INFO [stderr] 
Dec 18 06:07:46.893 INFO [stderr] warning: unused import: `api`
Dec 18 06:07:46.894 INFO [stderr]   --> src/client.rs:18:5
Dec 18 06:07:46.894 INFO [stderr]    |
Dec 18 06:07:46.894 INFO [stderr] 18 | use api;
Dec 18 06:07:46.895 INFO [stderr]    |     ^^^
Dec 18 06:07:46.895 INFO [stderr] 
Dec 18 06:07:46.905 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 18 06:07:46.905 INFO [stderr]   --> src/main.rs:26:24
Dec 18 06:07:46.905 INFO [stderr]    |
Dec 18 06:07:46.905 INFO [stderr] 26 |         let mut config_dir = std::env::home_dir().unwrap();
Dec 18 06:07:46.905 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Dec 18 06:07:46.905 INFO [stderr]    |
Dec 18 06:07:46.908 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 06:07:46.908 INFO [stderr] 
Dec 18 06:07:46.915 INFO [stderr] warning: unused import: `std::process::Command`
Dec 18 06:07:46.915 INFO [stderr]  --> src/main.rs:4:5
Dec 18 06:07:46.915 INFO [stderr]   |
Dec 18 06:07:46.915 INFO [stderr] 4 | use std::process::Command;
Dec 18 06:07:46.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:46.915 INFO [stderr]   |
Dec 18 06:07:46.915 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:07:46.915 INFO [stderr] 
Dec 18 06:07:46.920 INFO [stderr] warning: unused imports: `OsRng`, `Rng`
Dec 18 06:07:46.921 INFO [stderr]  --> src/client.rs:6:19
Dec 18 06:07:46.921 INFO [stderr]   |
Dec 18 06:07:46.921 INFO [stderr] 6 | use self::rand::{ Rng, OsRng };
Dec 18 06:07:46.921 INFO [stderr]   |                   ^^^  ^^^^^
Dec 18 06:07:46.921 INFO [stderr] 
Dec 18 06:07:46.921 INFO [stderr] warning: unused import: `transmute`
Dec 18 06:07:46.921 INFO [stderr]   --> src/client.rs:14:16
Dec 18 06:07:46.921 INFO [stderr]    |
Dec 18 06:07:46.921 INFO [stderr] 14 | use std::mem::{transmute};
Dec 18 06:07:46.921 INFO [stderr]    |                ^^^^^^^^^
Dec 18 06:07:46.921 INFO [stderr] 
Dec 18 06:07:46.921 INFO [stderr] warning: unused import: `api`
Dec 18 06:07:46.921 INFO [stderr]   --> src/client.rs:18:5
Dec 18 06:07:46.921 INFO [stderr]    |
Dec 18 06:07:46.921 INFO [stderr] 18 | use api;
Dec 18 06:07:46.921 INFO [stderr]    |     ^^^
Dec 18 06:07:46.921 INFO [stderr] 
Dec 18 06:07:46.943 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 18 06:07:46.943 INFO [stderr]   --> src/main.rs:26:24
Dec 18 06:07:46.943 INFO [stderr]    |
Dec 18 06:07:46.943 INFO [stderr] 26 |         let mut config_dir = std::env::home_dir().unwrap();
Dec 18 06:07:46.943 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Dec 18 06:07:46.943 INFO [stderr]    |
Dec 18 06:07:46.943 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 06:07:46.943 INFO [stderr] 
Dec 18 06:07:47.130 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:07:47.130 INFO [stderr]   --> src/client.rs:73:7
Dec 18 06:07:47.130 INFO [stderr]    |
Dec 18 06:07:47.130 INFO [stderr] 73 |         let mut reader = Cursor::new(buffer);
Dec 18 06:07:47.130 INFO [stderr]    |             ----^^^^^^
Dec 18 06:07:47.130 INFO [stderr]    |             |
Dec 18 06:07:47.130 INFO [stderr]    |             help: remove this `mut`
Dec 18 06:07:47.130 INFO [stderr]    |
Dec 18 06:07:47.130 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 06:07:47.130 INFO [stderr] 
Dec 18 06:07:47.136 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.136 INFO [stderr]   --> src/client.rs:79:5
Dec 18 06:07:47.136 INFO [stderr]    |
Dec 18 06:07:47.136 INFO [stderr] 79 |                 fs::create_dir_all(file.name().split_at(sub).0);
Dec 18 06:07:47.136 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.136 INFO [stderr]    |
Dec 18 06:07:47.136 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:07:47.136 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.136 INFO [stderr] 
Dec 18 06:07:47.136 INFO [stderr] warning: variable `diskFile` should have a snake case name such as `disk_file`
Dec 18 06:07:47.136 INFO [stderr]   --> src/client.rs:84:8
Dec 18 06:07:47.136 INFO [stderr]    |
Dec 18 06:07:47.136 INFO [stderr] 84 |             let mut diskFile = File::create(file.name()).expect("Creating file failed");
Dec 18 06:07:47.136 INFO [stderr]    |                 ^^^^^^^^^^^^
Dec 18 06:07:47.136 INFO [stderr]    |
Dec 18 06:07:47.136 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 06:07:47.136 INFO [stderr] 
Dec 18 06:07:47.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.137 INFO [stderr]   --> src/api.rs:40:3
Dec 18 06:07:47.137 INFO [stderr]    |
Dec 18 06:07:47.137 INFO [stderr] 40 |         output.write_all(&self.command_header.encode());
Dec 18 06:07:47.137 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.137 INFO [stderr]    |
Dec 18 06:07:47.137 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.137 INFO [stderr] 
Dec 18 06:07:47.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.137 INFO [stderr]   --> src/api.rs:42:3
Dec 18 06:07:47.137 INFO [stderr]    |
Dec 18 06:07:47.137 INFO [stderr] 42 |         output.write_all(&len_bytes);
Dec 18 06:07:47.137 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.137 INFO [stderr]    |
Dec 18 06:07:47.137 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.137 INFO [stderr] 
Dec 18 06:07:47.137 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.137 INFO [stderr]   --> src/api.rs:43:3
Dec 18 06:07:47.137 INFO [stderr]    |
Dec 18 06:07:47.137 INFO [stderr] 43 |         output.write_all(&self.id);
Dec 18 06:07:47.137 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.138 INFO [stderr]    |
Dec 18 06:07:47.138 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.138 INFO [stderr] 
Dec 18 06:07:47.138 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.138 INFO [stderr]   --> src/api.rs:86:3
Dec 18 06:07:47.138 INFO [stderr]    |
Dec 18 06:07:47.138 INFO [stderr] 86 |         output.write_all(&self.command_header.encode());
Dec 18 06:07:47.138 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.138 INFO [stderr]    |
Dec 18 06:07:47.138 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.138 INFO [stderr] 
Dec 18 06:07:47.138 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.138 INFO [stderr]   --> src/api.rs:88:3
Dec 18 06:07:47.138 INFO [stderr]    |
Dec 18 06:07:47.138 INFO [stderr] 88 |         output.write_all(&len_bytes);
Dec 18 06:07:47.138 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.138 INFO [stderr]    |
Dec 18 06:07:47.138 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.138 INFO [stderr] 
Dec 18 06:07:47.138 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.138 INFO [stderr]   --> src/api.rs:89:3
Dec 18 06:07:47.138 INFO [stderr]    |
Dec 18 06:07:47.138 INFO [stderr] 89 |         output.write_all(&self.id);
Dec 18 06:07:47.138 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.139 INFO [stderr]    |
Dec 18 06:07:47.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.139 INFO [stderr] 
Dec 18 06:07:47.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.139 INFO [stderr]   --> src/main.rs:28:3
Dec 18 06:07:47.139 INFO [stderr]    |
Dec 18 06:07:47.139 INFO [stderr] 28 |         fs::create_dir_all(config_dir.clone());
Dec 18 06:07:47.139 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.139 INFO [stderr]    |
Dec 18 06:07:47.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.139 INFO [stderr] 
Dec 18 06:07:47.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.139 INFO [stderr]   --> src/main.rs:33:4
Dec 18 06:07:47.139 INFO [stderr]    |
Dec 18 06:07:47.139 INFO [stderr] 33 |             file.read_to_string(&mut buffer);
Dec 18 06:07:47.139 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.139 INFO [stderr]    |
Dec 18 06:07:47.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.139 INFO [stderr] 
Dec 18 06:07:47.257 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:07:47.257 INFO [stderr]   --> src/client.rs:73:7
Dec 18 06:07:47.257 INFO [stderr]    |
Dec 18 06:07:47.257 INFO [stderr] 73 |         let mut reader = Cursor::new(buffer);
Dec 18 06:07:47.257 INFO [stderr]    |             ----^^^^^^
Dec 18 06:07:47.257 INFO [stderr]    |             |
Dec 18 06:07:47.257 INFO [stderr]    |             help: remove this `mut`
Dec 18 06:07:47.257 INFO [stderr]    |
Dec 18 06:07:47.257 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 06:07:47.257 INFO [stderr] 
Dec 18 06:07:47.263 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.263 INFO [stderr]   --> src/client.rs:79:5
Dec 18 06:07:47.263 INFO [stderr]    |
Dec 18 06:07:47.263 INFO [stderr] 79 |                 fs::create_dir_all(file.name().split_at(sub).0);
Dec 18 06:07:47.263 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.263 INFO [stderr]    |
Dec 18 06:07:47.263 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:07:47.263 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.263 INFO [stderr] 
Dec 18 06:07:47.263 INFO [stderr] warning: variable `diskFile` should have a snake case name such as `disk_file`
Dec 18 06:07:47.263 INFO [stderr]   --> src/client.rs:84:8
Dec 18 06:07:47.263 INFO [stderr]    |
Dec 18 06:07:47.263 INFO [stderr] 84 |             let mut diskFile = File::create(file.name()).expect("Creating file failed");
Dec 18 06:07:47.263 INFO [stderr]    |                 ^^^^^^^^^^^^
Dec 18 06:07:47.263 INFO [stderr]    |
Dec 18 06:07:47.263 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 06:07:47.263 INFO [stderr] 
Dec 18 06:07:47.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.264 INFO [stderr]   --> src/api.rs:40:3
Dec 18 06:07:47.264 INFO [stderr]    |
Dec 18 06:07:47.264 INFO [stderr] 40 |         output.write_all(&self.command_header.encode());
Dec 18 06:07:47.264 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.264 INFO [stderr]    |
Dec 18 06:07:47.264 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.264 INFO [stderr] 
Dec 18 06:07:47.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.264 INFO [stderr]   --> src/api.rs:42:3
Dec 18 06:07:47.264 INFO [stderr]    |
Dec 18 06:07:47.264 INFO [stderr] 42 |         output.write_all(&len_bytes);
Dec 18 06:07:47.264 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.264 INFO [stderr]    |
Dec 18 06:07:47.264 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.264 INFO [stderr] 
Dec 18 06:07:47.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.264 INFO [stderr]   --> src/api.rs:43:3
Dec 18 06:07:47.264 INFO [stderr]    |
Dec 18 06:07:47.264 INFO [stderr] 43 |         output.write_all(&self.id);
Dec 18 06:07:47.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.265 INFO [stderr] 
Dec 18 06:07:47.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.265 INFO [stderr]   --> src/api.rs:86:3
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr] 86 |         output.write_all(&self.command_header.encode());
Dec 18 06:07:47.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.265 INFO [stderr] 
Dec 18 06:07:47.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.265 INFO [stderr]   --> src/api.rs:88:3
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr] 88 |         output.write_all(&len_bytes);
Dec 18 06:07:47.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.265 INFO [stderr] 
Dec 18 06:07:47.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.265 INFO [stderr]   --> src/api.rs:89:3
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr] 89 |         output.write_all(&self.id);
Dec 18 06:07:47.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.265 INFO [stderr]    |
Dec 18 06:07:47.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.265 INFO [stderr] 
Dec 18 06:07:47.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.276 INFO [stderr]   --> src/main.rs:28:3
Dec 18 06:07:47.276 INFO [stderr]    |
Dec 18 06:07:47.276 INFO [stderr] 28 |         fs::create_dir_all(config_dir.clone());
Dec 18 06:07:47.276 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.276 INFO [stderr]    |
Dec 18 06:07:47.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.276 INFO [stderr] 
Dec 18 06:07:47.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:07:47.276 INFO [stderr]   --> src/main.rs:33:4
Dec 18 06:07:47.276 INFO [stderr]    |
Dec 18 06:07:47.276 INFO [stderr] 33 |             file.read_to_string(&mut buffer);
Dec 18 06:07:47.276 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:07:47.276 INFO [stderr]    |
Dec 18 06:07:47.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:07:47.276 INFO [stderr] 
Dec 18 06:07:47.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
Dec 18 06:07:48.694 INFO running `"docker" "inspect" "b187c46eb64e4c542f48760601c6e1a020bdbc655b1d4199fdac7cd1164b9b03"`
Dec 18 06:07:49.084 INFO running `"docker" "rm" "-f" "b187c46eb64e4c542f48760601c6e1a020bdbc655b1d4199fdac7cd1164b9b03"`
Dec 18 06:07:49.364 INFO [stdout] b187c46eb64e4c542f48760601c6e1a020bdbc655b1d4199fdac7cd1164b9b03