Dec 12 09:56:16.229 INFO checking podstats-0.1.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 09:56:16.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 09:56:16.516 INFO [stdout] 85cf1e2522c8fb3437bc8ef57fb3cac2fbc81759d6fae22e113c3911e5b9b323
Dec 12 09:56:16.521 INFO running `"docker" "start" "-a" "85cf1e2522c8fb3437bc8ef57fb3cac2fbc81759d6fae22e113c3911e5b9b323"`
Dec 12 09:56:17.750 INFO [stderr] usermod: no changes
Dec 12 09:56:17.890 INFO [stderr]     Checking podstats v0.1.2 (/source)
Dec 12 09:56:19.880 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 09:56:19.880 INFO [stderr]  --> src/lib.rs:3:1
Dec 12 09:56:19.880 INFO [stderr]   |
Dec 12 09:56:19.880 INFO [stderr] 3 | #[macro_use]
Dec 12 09:56:19.880 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 09:56:19.896 INFO [stderr]   |
Dec 12 09:56:19.896 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:56:19.896 INFO [stderr] 
Dec 12 09:56:19.896 INFO [stderr] warning: unused import: `std::fs`
Dec 12 09:56:19.896 INFO [stderr]  --> src/subscription.rs:7:5
Dec 12 09:56:19.896 INFO [stderr]   |
Dec 12 09:56:19.896 INFO [stderr] 7 | use std::fs;
Dec 12 09:56:19.896 INFO [stderr]   |     ^^^^^^^
Dec 12 09:56:19.896 INFO [stderr] 
Dec 12 09:56:20.260 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 09:56:20.260 INFO [stderr]  --> src/lib.rs:3:1
Dec 12 09:56:20.260 INFO [stderr]   |
Dec 12 09:56:20.260 INFO [stderr] 3 | #[macro_use]
Dec 12 09:56:20.260 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 09:56:20.260 INFO [stderr]   |
Dec 12 09:56:20.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:56:20.260 INFO [stderr] 
Dec 12 09:56:20.612 INFO [stderr] warning: unused variable: `bytes`
Dec 12 09:56:20.612 INFO [stderr]    --> src/config.rs:166:9
Dec 12 09:56:20.612 INFO [stderr]     |
Dec 12 09:56:20.612 INFO [stderr] 166 |     let bytes = match res {
Dec 12 09:56:20.612 INFO [stderr]     |         ^^^^^ help: consider using `_bytes` instead
Dec 12 09:56:20.612 INFO [stderr]     |
Dec 12 09:56:20.612 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 09:56:20.612 INFO [stderr] 
Dec 12 09:56:20.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:20.872 INFO [stderr]    --> src/config.rs:149:9
Dec 12 09:56:20.872 INFO [stderr]     |
Dec 12 09:56:20.872 INFO [stderr] 149 |         file.write_all(b"");
Dec 12 09:56:20.872 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:20.872 INFO [stderr]     |
Dec 12 09:56:20.873 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 09:56:20.873 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:20.873 INFO [stderr] 
Dec 12 09:56:20.873 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:20.873 INFO [stderr]    --> src/config.rs:171:5
Dec 12 09:56:20.873 INFO [stderr]     |
Dec 12 09:56:20.873 INFO [stderr] 171 |     file.flush();
Dec 12 09:56:20.873 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 09:56:20.873 INFO [stderr]     |
Dec 12 09:56:20.873 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:20.873 INFO [stderr] 
Dec 12 09:56:20.936 INFO [stderr] warning: unused variable: `bytes`
Dec 12 09:56:20.936 INFO [stderr]    --> src/config.rs:166:9
Dec 12 09:56:20.936 INFO [stderr]     |
Dec 12 09:56:20.936 INFO [stderr] 166 |     let bytes = match res {
Dec 12 09:56:20.936 INFO [stderr]     |         ^^^^^ help: consider using `_bytes` instead
Dec 12 09:56:20.936 INFO [stderr]     |
Dec 12 09:56:20.936 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 09:56:20.936 INFO [stderr] 
Dec 12 09:56:21.252 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:21.252 INFO [stderr]    --> src/config.rs:149:9
Dec 12 09:56:21.252 INFO [stderr]     |
Dec 12 09:56:21.252 INFO [stderr] 149 |         file.write_all(b"");
Dec 12 09:56:21.252 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:21.252 INFO [stderr]     |
Dec 12 09:56:21.252 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 09:56:21.252 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:21.252 INFO [stderr] 
Dec 12 09:56:21.252 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:21.252 INFO [stderr]    --> src/config.rs:171:5
Dec 12 09:56:21.252 INFO [stderr]     |
Dec 12 09:56:21.252 INFO [stderr] 171 |     file.flush();
Dec 12 09:56:21.252 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 09:56:21.252 INFO [stderr]     |
Dec 12 09:56:21.252 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:21.252 INFO [stderr] 
Dec 12 09:56:21.252 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:21.252 INFO [stderr]    --> src/config.rs:229:9
Dec 12 09:56:21.252 INFO [stderr]     |
Dec 12 09:56:21.252 INFO [stderr] 229 |         fs::remove_file(test_cache_loc);
Dec 12 09:56:21.252 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:21.253 INFO [stderr]     |
Dec 12 09:56:21.253 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:21.253 INFO [stderr] 
Dec 12 09:56:21.253 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:21.253 INFO [stderr]    --> src/subscription.rs:208:5
Dec 12 09:56:21.253 INFO [stderr]     |
Dec 12 09:56:21.253 INFO [stderr] 208 |     fs::remove_file(test_path);
Dec 12 09:56:21.253 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:21.253 INFO [stderr]     |
Dec 12 09:56:21.253 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:21.253 INFO [stderr] 
Dec 12 09:56:23.652 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 09:56:23.652 INFO [stderr]  --> src/main.rs:3:1
Dec 12 09:56:23.652 INFO [stderr]   |
Dec 12 09:56:23.652 INFO [stderr] 3 | #[macro_use]
Dec 12 09:56:23.652 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 09:56:23.652 INFO [stderr]   |
Dec 12 09:56:23.652 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:56:23.652 INFO [stderr] 
Dec 12 09:56:23.652 INFO [stderr] warning: unused import: `SubCommand`
Dec 12 09:56:23.652 INFO [stderr]  --> src/main.rs:8:22
Dec 12 09:56:23.652 INFO [stderr]   |
Dec 12 09:56:23.652 INFO [stderr] 8 | use clap::{Arg, App, SubCommand};
Dec 12 09:56:23.652 INFO [stderr]   |                      ^^^^^^^^^^
Dec 12 09:56:23.652 INFO [stderr] 
Dec 12 09:56:23.652 INFO [stderr] warning: unused import: `std::fs`
Dec 12 09:56:23.652 INFO [stderr]  --> src/subscription.rs:7:5
Dec 12 09:56:23.652 INFO [stderr]   |
Dec 12 09:56:23.652 INFO [stderr] 7 | use std::fs;
Dec 12 09:56:23.652 INFO [stderr]   |     ^^^^^^^
Dec 12 09:56:23.652 INFO [stderr] 
Dec 12 09:56:23.704 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 09:56:23.704 INFO [stderr]  --> src/main.rs:3:1
Dec 12 09:56:23.704 INFO [stderr]   |
Dec 12 09:56:23.704 INFO [stderr] 3 | #[macro_use]
Dec 12 09:56:23.704 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 09:56:23.704 INFO [stderr]   |
Dec 12 09:56:23.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:56:23.704 INFO [stderr] 
Dec 12 09:56:23.704 INFO [stderr] warning: unused import: `SubCommand`
Dec 12 09:56:23.704 INFO [stderr]  --> src/main.rs:8:22
Dec 12 09:56:23.704 INFO [stderr]   |
Dec 12 09:56:23.704 INFO [stderr] 8 | use clap::{Arg, App, SubCommand};
Dec 12 09:56:23.704 INFO [stderr]   |                      ^^^^^^^^^^
Dec 12 09:56:23.704 INFO [stderr] 
Dec 12 09:56:23.996 INFO [stderr] warning: unused variable: `bytes`
Dec 12 09:56:23.996 INFO [stderr]    --> src/config.rs:166:9
Dec 12 09:56:23.996 INFO [stderr]     |
Dec 12 09:56:23.996 INFO [stderr] 166 |     let bytes = match res {
Dec 12 09:56:23.996 INFO [stderr]     |         ^^^^^ help: consider using `_bytes` instead
Dec 12 09:56:23.996 INFO [stderr]     |
Dec 12 09:56:23.996 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 09:56:23.996 INFO [stderr] 
Dec 12 09:56:24.112 INFO [stderr] warning: function is never used: `read_config`
Dec 12 09:56:24.112 INFO [stderr]   --> src/config.rs:89:1
Dec 12 09:56:24.112 INFO [stderr]    |
Dec 12 09:56:24.112 INFO [stderr] 89 | pub fn read_config() -> Option<Config> {
Dec 12 09:56:24.112 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.112 INFO [stderr]    |
Dec 12 09:56:24.112 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 09:56:24.112 INFO [stderr] 
Dec 12 09:56:24.112 INFO [stderr] warning: function is never used: `write_config`
Dec 12 09:56:24.112 INFO [stderr]    --> src/config.rs:123:1
Dec 12 09:56:24.112 INFO [stderr]     |
Dec 12 09:56:24.112 INFO [stderr] 123 | pub fn write_config(config: Config) {
Dec 12 09:56:24.112 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.112 INFO [stderr] 
Dec 12 09:56:24.112 INFO [stderr] warning: method is never used: `new`
Dec 12 09:56:24.112 INFO [stderr]   --> src/subscription.rs:24:5
Dec 12 09:56:24.112 INFO [stderr]    |
Dec 12 09:56:24.112 INFO [stderr] 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
Dec 12 09:56:24.112 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.113 INFO [stderr] 
Dec 12 09:56:24.113 INFO [stderr] warning: function is never used: `vec_serialize`
Dec 12 09:56:24.113 INFO [stderr]   --> src/subscription.rs:54:1
Dec 12 09:56:24.113 INFO [stderr]    |
Dec 12 09:56:24.113 INFO [stderr] 54 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
Dec 12 09:56:24.113 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.113 INFO [stderr] 
Dec 12 09:56:24.113 INFO [stderr] warning: function is never used: `serialize`
Dec 12 09:56:24.113 INFO [stderr]   --> src/subscription.rs:63:1
Dec 12 09:56:24.113 INFO [stderr]    |
Dec 12 09:56:24.113 INFO [stderr] 63 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
Dec 12 09:56:24.113 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.113 INFO [stderr] 
Dec 12 09:56:24.113 INFO [stderr] warning: function is never used: `deserialize`
Dec 12 09:56:24.113 INFO [stderr]   --> src/subscription.rs:72:1
Dec 12 09:56:24.113 INFO [stderr]    |
Dec 12 09:56:24.113 INFO [stderr] 72 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
Dec 12 09:56:24.113 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.113 INFO [stderr] 
Dec 12 09:56:24.117 INFO [stderr] warning: function is never used: `process_directory`
Dec 12 09:56:24.117 INFO [stderr]    --> src/subscription.rs:116:1
Dec 12 09:56:24.117 INFO [stderr]     |
Dec 12 09:56:24.117 INFO [stderr] 116 | fn process_directory(directory: Option<&str>) -> String {
Dec 12 09:56:24.117 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.117 INFO [stderr] 
Dec 12 09:56:24.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.118 INFO [stderr]    --> src/config.rs:149:9
Dec 12 09:56:24.118 INFO [stderr]     |
Dec 12 09:56:24.118 INFO [stderr] 149 |         file.write_all(b"");
Dec 12 09:56:24.118 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.118 INFO [stderr]     |
Dec 12 09:56:24.118 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 09:56:24.118 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.118 INFO [stderr] 
Dec 12 09:56:24.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.120 INFO [stderr]    --> src/config.rs:171:5
Dec 12 09:56:24.120 INFO [stderr]     |
Dec 12 09:56:24.120 INFO [stderr] 171 |     file.flush();
Dec 12 09:56:24.120 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 09:56:24.120 INFO [stderr]     |
Dec 12 09:56:24.120 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.120 INFO [stderr] 
Dec 12 09:56:24.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.120 INFO [stderr]   --> src/util.rs:47:21
Dec 12 09:56:24.120 INFO [stderr]    |
Dec 12 09:56:24.120 INFO [stderr] 47 |                     write!(stdout, "{}", v);
Dec 12 09:56:24.120 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.120 INFO [stderr]    |
Dec 12 09:56:24.120 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.120 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 09:56:24.120 INFO [stderr] 
Dec 12 09:56:24.164 INFO [stderr] warning: unused variable: `bytes`
Dec 12 09:56:24.164 INFO [stderr]    --> src/config.rs:166:9
Dec 12 09:56:24.164 INFO [stderr]     |
Dec 12 09:56:24.164 INFO [stderr] 166 |     let bytes = match res {
Dec 12 09:56:24.164 INFO [stderr]     |         ^^^^^ help: consider using `_bytes` instead
Dec 12 09:56:24.164 INFO [stderr]     |
Dec 12 09:56:24.164 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 09:56:24.164 INFO [stderr] 
Dec 12 09:56:24.352 INFO [stderr] warning: function is never used: `read_config`
Dec 12 09:56:24.352 INFO [stderr]   --> src/config.rs:89:1
Dec 12 09:56:24.352 INFO [stderr]    |
Dec 12 09:56:24.352 INFO [stderr] 89 | pub fn read_config() -> Option<Config> {
Dec 12 09:56:24.352 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.352 INFO [stderr]    |
Dec 12 09:56:24.352 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 09:56:24.352 INFO [stderr] 
Dec 12 09:56:24.352 INFO [stderr] warning: function is never used: `write_config`
Dec 12 09:56:24.352 INFO [stderr]    --> src/config.rs:123:1
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr] 123 | pub fn write_config(config: Config) {
Dec 12 09:56:24.352 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.352 INFO [stderr] 
Dec 12 09:56:24.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.352 INFO [stderr]    --> src/config.rs:149:9
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr] 149 |         file.write_all(b"");
Dec 12 09:56:24.352 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 09:56:24.352 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.352 INFO [stderr] 
Dec 12 09:56:24.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.352 INFO [stderr]    --> src/config.rs:171:5
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr] 171 |     file.flush();
Dec 12 09:56:24.352 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.352 INFO [stderr] 
Dec 12 09:56:24.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.352 INFO [stderr]    --> src/config.rs:229:9
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr] 229 |         fs::remove_file(test_cache_loc);
Dec 12 09:56:24.352 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.352 INFO [stderr]     |
Dec 12 09:56:24.352 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.352 INFO [stderr] 
Dec 12 09:56:24.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.355 INFO [stderr]    --> src/subscription.rs:208:5
Dec 12 09:56:24.355 INFO [stderr]     |
Dec 12 09:56:24.355 INFO [stderr] 208 |     fs::remove_file(test_path);
Dec 12 09:56:24.355 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.355 INFO [stderr]     |
Dec 12 09:56:24.355 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.355 INFO [stderr] 
Dec 12 09:56:24.355 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:56:24.355 INFO [stderr]   --> src/util.rs:47:21
Dec 12 09:56:24.355 INFO [stderr]    |
Dec 12 09:56:24.355 INFO [stderr] 47 |                     write!(stdout, "{}", v);
Dec 12 09:56:24.355 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:56:24.355 INFO [stderr]    |
Dec 12 09:56:24.355 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:56:24.355 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 09:56:24.355 INFO [stderr] 
Dec 12 09:56:24.382 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
Dec 12 09:56:24.396 INFO [stderr] su: No module specific data is present
Dec 12 09:56:25.174 INFO running `"docker" "inspect" "85cf1e2522c8fb3437bc8ef57fb3cac2fbc81759d6fae22e113c3911e5b9b323"`
Dec 12 09:56:25.590 INFO running `"docker" "rm" "-f" "85cf1e2522c8fb3437bc8ef57fb3cac2fbc81759d6fae22e113c3911e5b9b323"`
Dec 12 09:56:25.901 INFO [stdout] 85cf1e2522c8fb3437bc8ef57fb3cac2fbc81759d6fae22e113c3911e5b9b323