Dec 17 17:12:07.538 INFO checking realityone/akarin against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:12:07.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/realityone/akarin:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:12:07.973 INFO [stdout] bbbf168531115ce025d23f5f84440632d907ea4f4f9c9940662cfa5ab1bc8adc
Dec 17 17:12:07.975 INFO running `"docker" "start" "-a" "bbbf168531115ce025d23f5f84440632d907ea4f4f9c9940662cfa5ab1bc8adc"`
Dec 17 17:12:10.360 INFO [stderr]    Compiling scopeguard v0.3.2
Dec 17 17:12:10.360 INFO [stderr]    Compiling either v1.2.0
Dec 17 17:12:10.360 INFO [stderr]    Compiling lazy_static v0.2.9
Dec 17 17:12:10.360 INFO [stderr]    Compiling futures v0.1.16
Dec 17 17:12:10.388 INFO [stderr]     Checking ioctl-sys v0.5.2
Dec 17 17:12:10.388 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 17 17:12:10.396 INFO [stderr]     Checking memchr v1.0.1
Dec 17 17:12:10.396 INFO [stderr]     Checking transient-hashmap v0.4.0
Dec 17 17:12:11.628 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 17:12:11.777 INFO [stderr]    Compiling coco v0.1.1
Dec 17 17:12:13.365 INFO [stderr]     Checking regex v0.2.2
Dec 17 17:12:15.777 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 17:12:16.188 INFO [stderr]     Checking pretty_env_logger v0.1.1
Dec 17 17:12:17.480 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 17 17:12:19.216 INFO [stderr]    Compiling rayon v0.8.2
Dec 17 17:12:22.077 INFO [stderr]    Compiling ring v0.12.1
Dec 17 17:12:29.204 INFO [stderr]     Checking akarin v0.1.0 (/opt/crater/workdir)
Dec 17 17:12:29.638 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 17:12:29.638 INFO [stderr]  --> src/main.rs:5:1
Dec 17 17:12:29.638 INFO [stderr]   |
Dec 17 17:12:29.638 INFO [stderr] 5 | #[macro_use]
Dec 17 17:12:29.638 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 17:12:29.638 INFO [stderr]   |
Dec 17 17:12:29.638 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:12:29.638 INFO [stderr] 
Dec 17 17:12:29.638 INFO [stderr] warning: unused import: `mem`
Dec 17 17:12:29.638 INFO [stderr]  --> src/akarin/server.rs:1:20
Dec 17 17:12:29.638 INFO [stderr]   |
Dec 17 17:12:29.638 INFO [stderr] 1 | use std::{fmt, io, mem};
Dec 17 17:12:29.638 INFO [stderr]   |                    ^^^
Dec 17 17:12:29.638 INFO [stderr] 
Dec 17 17:12:29.648 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 17 17:12:29.648 INFO [stderr]   --> src/akarin/mod.rs:26:20
Dec 17 17:12:29.648 INFO [stderr]    |
Dec 17 17:12:29.648 INFO [stderr] 26 |     fn serve(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 17 17:12:29.648 INFO [stderr]    |                    ^^^^^^^^
Dec 17 17:12:29.648 INFO [stderr]    |
Dec 17 17:12:29.648 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 17 17:12:29.648 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 17 17:12:29.648 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 17 17:12:29.648 INFO [stderr] 
Dec 17 17:12:29.648 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 17 17:12:29.648 INFO [stderr]   --> src/akarin/mod.rs:30:22
Dec 17 17:12:29.648 INFO [stderr]    |
Dec 17 17:12:29.648 INFO [stderr] 30 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 17 17:12:29.649 INFO [stderr]    |                      ^^^^^^^^
Dec 17 17:12:29.649 INFO [stderr]    |
Dec 17 17:12:29.649 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 17 17:12:29.649 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 17 17:12:29.649 INFO [stderr] 
Dec 17 17:12:29.649 INFO [stderr] warning: unused import: `common::error::*`
Dec 17 17:12:29.649 INFO [stderr]  --> src/transport/network.rs:6:5
Dec 17 17:12:29.649 INFO [stderr]   |
Dec 17 17:12:29.649 INFO [stderr] 6 | use common::error::*;
Dec 17 17:12:29.649 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 17:12:29.649 INFO [stderr] 
Dec 17 17:12:29.660 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 17:12:29.660 INFO [stderr]  --> src/main.rs:5:1
Dec 17 17:12:29.660 INFO [stderr]   |
Dec 17 17:12:29.660 INFO [stderr] 5 | #[macro_use]
Dec 17 17:12:29.660 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 17:12:29.660 INFO [stderr]   |
Dec 17 17:12:29.660 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:12:29.660 INFO [stderr] 
Dec 17 17:12:29.660 INFO [stderr] warning: unused import: `mem`
Dec 17 17:12:29.660 INFO [stderr]  --> src/akarin/server.rs:1:20
Dec 17 17:12:29.660 INFO [stderr]   |
Dec 17 17:12:29.661 INFO [stderr] 1 | use std::{fmt, io, mem};
Dec 17 17:12:29.661 INFO [stderr]   |                    ^^^
Dec 17 17:12:29.661 INFO [stderr] 
Dec 17 17:12:29.661 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 17 17:12:29.661 INFO [stderr]   --> src/akarin/mod.rs:26:20
Dec 17 17:12:29.661 INFO [stderr]    |
Dec 17 17:12:29.661 INFO [stderr] 26 |     fn serve(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 17 17:12:29.661 INFO [stderr]    |                    ^^^^^^^^
Dec 17 17:12:29.661 INFO [stderr]    |
Dec 17 17:12:29.661 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 17 17:12:29.661 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 17 17:12:29.661 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 17 17:12:29.661 INFO [stderr] 
Dec 17 17:12:29.661 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 17 17:12:29.661 INFO [stderr]   --> src/akarin/mod.rs:30:22
Dec 17 17:12:29.661 INFO [stderr]    |
Dec 17 17:12:29.661 INFO [stderr] 30 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 17 17:12:29.661 INFO [stderr]    |                      ^^^^^^^^
Dec 17 17:12:29.661 INFO [stderr]    |
Dec 17 17:12:29.661 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 17 17:12:29.661 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 17 17:12:29.661 INFO [stderr] 
Dec 17 17:12:29.661 INFO [stderr] warning: unused import: `common::error::*`
Dec 17 17:12:29.661 INFO [stderr]  --> src/transport/network.rs:6:5
Dec 17 17:12:29.661 INFO [stderr]   |
Dec 17 17:12:29.661 INFO [stderr] 6 | use common::error::*;
Dec 17 17:12:29.661 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 17:12:29.670 INFO [stderr] 
Dec 17 17:12:29.928 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:12:29.928 INFO [stderr]   --> src/common/error.rs:1:1
Dec 17 17:12:29.928 INFO [stderr]    |
Dec 17 17:12:29.928 INFO [stderr] 1  | / error_chain! {
Dec 17 17:12:29.928 INFO [stderr] 2  | |     errors {
Dec 17 17:12:29.928 INFO [stderr] 3  | |         // Tun
Dec 17 17:12:29.928 INFO [stderr] 4  | |         TunNameTooLong
Dec 17 17:12:29.928 INFO [stderr] ...  |
Dec 17 17:12:29.928 INFO [stderr] 26 | |     }
Dec 17 17:12:29.928 INFO [stderr] 27 | | }
Dec 17 17:12:29.928 INFO [stderr]    | |_^
Dec 17 17:12:29.928 INFO [stderr]    |
Dec 17 17:12:29.928 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 17:12:29.928 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 17 17:12:29.928 INFO [stderr] 
Dec 17 17:12:29.928 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:12:29.928 INFO [stderr]   --> src/common/error.rs:1:1
Dec 17 17:12:29.928 INFO [stderr]    |
Dec 17 17:12:29.928 INFO [stderr] 1  | / error_chain! {
Dec 17 17:12:29.928 INFO [stderr] 2  | |     errors {
Dec 17 17:12:29.929 INFO [stderr] 3  | |         // Tun
Dec 17 17:12:29.929 INFO [stderr] 4  | |         TunNameTooLong
Dec 17 17:12:29.929 INFO [stderr] ...  |
Dec 17 17:12:29.929 INFO [stderr] 26 | |     }
Dec 17 17:12:29.929 INFO [stderr] 27 | | }
Dec 17 17:12:29.929 INFO [stderr]    | |_^
Dec 17 17:12:29.929 INFO [stderr]    |
Dec 17 17:12:29.929 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 17 17:12:29.929 INFO [stderr] 
Dec 17 17:12:29.942 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:12:29.942 INFO [stderr]   --> src/common/error.rs:1:1
Dec 17 17:12:29.942 INFO [stderr]    |
Dec 17 17:12:29.942 INFO [stderr] 1  | / error_chain! {
Dec 17 17:12:29.942 INFO [stderr] 2  | |     errors {
Dec 17 17:12:29.942 INFO [stderr] 3  | |         // Tun
Dec 17 17:12:29.942 INFO [stderr] 4  | |         TunNameTooLong
Dec 17 17:12:29.942 INFO [stderr] ...  |
Dec 17 17:12:29.942 INFO [stderr] 26 | |     }
Dec 17 17:12:29.942 INFO [stderr] 27 | | }
Dec 17 17:12:29.943 INFO [stderr]    | |_^
Dec 17 17:12:29.943 INFO [stderr]    |
Dec 17 17:12:29.943 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 17:12:29.943 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 17 17:12:29.943 INFO [stderr] 
Dec 17 17:12:29.943 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:12:29.943 INFO [stderr]   --> src/common/error.rs:1:1
Dec 17 17:12:29.943 INFO [stderr]    |
Dec 17 17:12:29.943 INFO [stderr] 1  | / error_chain! {
Dec 17 17:12:29.943 INFO [stderr] 2  | |     errors {
Dec 17 17:12:29.943 INFO [stderr] 3  | |         // Tun
Dec 17 17:12:29.943 INFO [stderr] 4  | |         TunNameTooLong
Dec 17 17:12:29.943 INFO [stderr] ...  |
Dec 17 17:12:29.943 INFO [stderr] 26 | |     }
Dec 17 17:12:29.943 INFO [stderr] 27 | | }
Dec 17 17:12:29.943 INFO [stderr]    | |_^
Dec 17 17:12:29.943 INFO [stderr]    |
Dec 17 17:12:29.943 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 17 17:12:29.943 INFO [stderr] 
Dec 17 17:12:29.988 INFO [stderr] warning: unused variable: `crypto`
Dec 17 17:12:29.988 INFO [stderr]   --> src/main.rs:37:9
Dec 17 17:12:29.988 INFO [stderr]    |
Dec 17 17:12:29.988 INFO [stderr] 37 |     let crypto = Ciphers::CHACHA20_POLY1305.init(password);
Dec 17 17:12:29.988 INFO [stderr]    |         ^^^^^^ help: consider using `_crypto` instead
Dec 17 17:12:29.988 INFO [stderr]    |
Dec 17 17:12:29.988 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:12:29.988 INFO [stderr] 
Dec 17 17:12:29.988 INFO [stderr] warning: unused variable: `token`
Dec 17 17:12:29.988 INFO [stderr]    --> src/akarin/server.rs:157:27
Dec 17 17:12:29.988 INFO [stderr]     |
Dec 17 17:12:29.988 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 17 17:12:29.988 INFO [stderr]     |                           ^^^^^ help: consider using `_token` instead
Dec 17 17:12:29.988 INFO [stderr] 
Dec 17 17:12:29.988 INFO [stderr] warning: unused variable: `sockaddr`
Dec 17 17:12:29.988 INFO [stderr]    --> src/akarin/server.rs:157:34
Dec 17 17:12:29.988 INFO [stderr]     |
Dec 17 17:12:29.988 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 17 17:12:29.988 INFO [stderr]     |                                  ^^^^^^^^ help: consider using `_sockaddr` instead
Dec 17 17:12:29.988 INFO [stderr] 
Dec 17 17:12:29.988 INFO [stderr] warning: unused variable: `handle`
Dec 17 17:12:29.988 INFO [stderr]    --> src/akarin/server.rs:163:40
Dec 17 17:12:29.988 INFO [stderr]     |
Dec 17 17:12:29.988 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:29.988 INFO [stderr]     |                                        ^^^^^^ help: consider using `_handle` instead
Dec 17 17:12:29.988 INFO [stderr] 
Dec 17 17:12:29.988 INFO [stderr] warning: unused variable: `core`
Dec 17 17:12:29.988 INFO [stderr]   --> src/akarin/client.rs:39:26
Dec 17 17:12:29.988 INFO [stderr]    |
Dec 17 17:12:29.988 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:29.988 INFO [stderr]    |                          ^^^^ help: consider using `_core` instead
Dec 17 17:12:29.988 INFO [stderr] 
Dec 17 17:12:29.988 INFO [stderr] warning: unused variable: `handle`
Dec 17 17:12:29.989 INFO [stderr]   --> src/akarin/client.rs:39:38
Dec 17 17:12:29.989 INFO [stderr]    |
Dec 17 17:12:29.989 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:29.989 INFO [stderr]    |                                      ^^^^^^ help: consider using `_handle` instead
Dec 17 17:12:29.989 INFO [stderr] 
Dec 17 17:12:30.024 INFO [stderr] warning: unused variable: `crypto`
Dec 17 17:12:30.024 INFO [stderr]   --> src/main.rs:37:9
Dec 17 17:12:30.024 INFO [stderr]    |
Dec 17 17:12:30.024 INFO [stderr] 37 |     let crypto = Ciphers::CHACHA20_POLY1305.init(password);
Dec 17 17:12:30.024 INFO [stderr]    |         ^^^^^^ help: consider using `_crypto` instead
Dec 17 17:12:30.024 INFO [stderr]    |
Dec 17 17:12:30.024 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 17:12:30.024 INFO [stderr] 
Dec 17 17:12:30.024 INFO [stderr] warning: unused variable: `token`
Dec 17 17:12:30.024 INFO [stderr]    --> src/akarin/server.rs:157:27
Dec 17 17:12:30.024 INFO [stderr]     |
Dec 17 17:12:30.024 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 17 17:12:30.024 INFO [stderr]     |                           ^^^^^ help: consider using `_token` instead
Dec 17 17:12:30.024 INFO [stderr] 
Dec 17 17:12:30.024 INFO [stderr] warning: unused variable: `sockaddr`
Dec 17 17:12:30.024 INFO [stderr]    --> src/akarin/server.rs:157:34
Dec 17 17:12:30.024 INFO [stderr]     |
Dec 17 17:12:30.024 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 17 17:12:30.024 INFO [stderr]     |                                  ^^^^^^^^ help: consider using `_sockaddr` instead
Dec 17 17:12:30.024 INFO [stderr] 
Dec 17 17:12:30.024 INFO [stderr] warning: unused variable: `handle`
Dec 17 17:12:30.024 INFO [stderr]    --> src/akarin/server.rs:163:40
Dec 17 17:12:30.024 INFO [stderr]     |
Dec 17 17:12:30.024 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.024 INFO [stderr]     |                                        ^^^^^^ help: consider using `_handle` instead
Dec 17 17:12:30.024 INFO [stderr] 
Dec 17 17:12:30.024 INFO [stderr] warning: unused variable: `core`
Dec 17 17:12:30.024 INFO [stderr]   --> src/akarin/client.rs:39:26
Dec 17 17:12:30.024 INFO [stderr]    |
Dec 17 17:12:30.024 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.024 INFO [stderr]    |                          ^^^^ help: consider using `_core` instead
Dec 17 17:12:30.024 INFO [stderr] 
Dec 17 17:12:30.024 INFO [stderr] warning: unused variable: `handle`
Dec 17 17:12:30.024 INFO [stderr]   --> src/akarin/client.rs:39:38
Dec 17 17:12:30.024 INFO [stderr]    |
Dec 17 17:12:30.024 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.024 INFO [stderr]    |                                      ^^^^^^ help: consider using `_handle` instead
Dec 17 17:12:30.024 INFO [stderr] 
Dec 17 17:12:30.028 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:12:30.028 INFO [stderr]    --> src/akarin/server.rs:163:14
Dec 17 17:12:30.028 INFO [stderr]     |
Dec 17 17:12:30.028 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.028 INFO [stderr]     |              ----^^^^
Dec 17 17:12:30.028 INFO [stderr]     |              |
Dec 17 17:12:30.028 INFO [stderr]     |              help: remove this `mut`
Dec 17 17:12:30.028 INFO [stderr]     |
Dec 17 17:12:30.028 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:12:30.028 INFO [stderr] 
Dec 17 17:12:30.036 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:12:30.036 INFO [stderr]   --> src/akarin/client.rs:39:22
Dec 17 17:12:30.036 INFO [stderr]    |
Dec 17 17:12:30.036 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.036 INFO [stderr]    |                      ----^^^^
Dec 17 17:12:30.036 INFO [stderr]    |                      |
Dec 17 17:12:30.036 INFO [stderr]    |                      help: remove this `mut`
Dec 17 17:12:30.036 INFO [stderr] 
Dec 17 17:12:30.073 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:12:30.073 INFO [stderr]    --> src/akarin/server.rs:163:14
Dec 17 17:12:30.073 INFO [stderr]     |
Dec 17 17:12:30.073 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.073 INFO [stderr]     |              ----^^^^
Dec 17 17:12:30.073 INFO [stderr]     |              |
Dec 17 17:12:30.073 INFO [stderr]     |              help: remove this `mut`
Dec 17 17:12:30.073 INFO [stderr]     |
Dec 17 17:12:30.073 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:12:30.073 INFO [stderr] 
Dec 17 17:12:30.084 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:12:30.084 INFO [stderr]   --> src/akarin/client.rs:39:22
Dec 17 17:12:30.084 INFO [stderr]    |
Dec 17 17:12:30.084 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 17 17:12:30.084 INFO [stderr]    |                      ----^^^^
Dec 17 17:12:30.084 INFO [stderr]    |                      |
Dec 17 17:12:30.084 INFO [stderr]    |                      help: remove this `mut`
Dec 17 17:12:30.084 INFO [stderr] 
Dec 17 17:12:30.105 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:12:30.105 INFO [stderr]    --> src/akarin/server.rs:164:9
Dec 17 17:12:30.105 INFO [stderr]     |
Dec 17 17:12:30.105 INFO [stderr] 164 |         core.run(self);
Dec 17 17:12:30.105 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 17 17:12:30.105 INFO [stderr]     |
Dec 17 17:12:30.105 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 17:12:30.105 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:12:30.105 INFO [stderr] 
Dec 17 17:12:30.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 17:12:30.200 INFO [stderr]    --> src/akarin/server.rs:164:9
Dec 17 17:12:30.200 INFO [stderr]     |
Dec 17 17:12:30.200 INFO [stderr] 164 |         core.run(self);
Dec 17 17:12:30.200 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 17 17:12:30.200 INFO [stderr]     |
Dec 17 17:12:30.200 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 17:12:30.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 17:12:30.200 INFO [stderr] 
Dec 17 17:12:30.260 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.07s
Dec 17 17:12:31.424 INFO running `"docker" "inspect" "bbbf168531115ce025d23f5f84440632d907ea4f4f9c9940662cfa5ab1bc8adc"`
Dec 17 17:12:31.694 INFO running `"docker" "rm" "-f" "bbbf168531115ce025d23f5f84440632d907ea4f4f9c9940662cfa5ab1bc8adc"`
Dec 17 17:12:31.972 INFO [stdout] bbbf168531115ce025d23f5f84440632d907ea4f4f9c9940662cfa5ab1bc8adc