Dec 19 10:21:03.509 INFO checking realityone/akarin against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:21:03.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:21:04.045 INFO [stdout] cf4d6dbd19aec9903a851f5c3e57bea3803dc1407ce1a8426c735a224fb0e91a
Dec 19 10:21:04.048 INFO running `"docker" "start" "-a" "cf4d6dbd19aec9903a851f5c3e57bea3803dc1407ce1a8426c735a224fb0e91a"`
Dec 19 10:21:06.886 INFO [stderr]    Compiling either v1.2.0
Dec 19 10:21:06.892 INFO [stderr]    Compiling futures v0.1.16
Dec 19 10:21:06.892 INFO [stderr]    Compiling lazy_static v0.2.9
Dec 19 10:21:06.920 INFO [stderr]     Checking ioctl-sys v0.5.2
Dec 19 10:21:06.920 INFO [stderr]    Compiling num_cpus v1.7.0
Dec 19 10:21:06.920 INFO [stderr]     Checking memchr v1.0.1
Dec 19 10:21:06.921 INFO [stderr]     Checking iovec v0.1.1
Dec 19 10:21:06.944 INFO [stderr]     Checking time v0.1.38
Dec 19 10:21:08.029 INFO [stderr]     Checking net2 v0.2.31
Dec 19 10:21:08.362 INFO [stderr]     Checking thread_local v0.3.4
Dec 19 10:21:08.368 INFO [stderr]     Checking bytes v0.4.5
Dec 19 10:21:08.487 INFO [stderr]     Checking backtrace-sys v0.1.14
Dec 19 10:21:09.188 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 10:21:11.149 INFO [stderr]    Compiling coco v0.1.1
Dec 19 10:21:11.192 INFO [stderr]     Checking backtrace v0.3.3
Dec 19 10:21:11.232 INFO [stderr]     Checking transient-hashmap v0.4.0
Dec 19 10:21:11.232 INFO [stderr]     Checking mio v0.6.10
Dec 19 10:21:12.340 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 10:21:12.516 INFO [stderr]     Checking regex v0.2.2
Dec 19 10:21:12.564 INFO [stderr]     Checking tokio-io v0.1.3
Dec 19 10:21:15.401 INFO [stderr]     Checking tokio-core v0.1.10
Dec 19 10:21:16.676 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 10:21:17.132 INFO [stderr]     Checking pretty_env_logger v0.1.1
Dec 19 10:21:18.301 INFO [stderr]    Compiling rayon-core v1.2.1
Dec 19 10:21:20.116 INFO [stderr]    Compiling rayon v0.8.2
Dec 19 10:21:23.220 INFO [stderr]    Compiling ring v0.12.1
Dec 19 10:21:29.608 INFO [stderr]     Checking akarin v0.1.0 (/opt/crater/workdir)
Dec 19 10:21:30.074 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:21:30.074 INFO [stderr]  --> src/main.rs:5:1
Dec 19 10:21:30.074 INFO [stderr]   |
Dec 19 10:21:30.074 INFO [stderr] 5 | #[macro_use]
Dec 19 10:21:30.074 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:21:30.080 INFO [stderr]   |
Dec 19 10:21:30.080 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:21:30.080 INFO [stderr] 
Dec 19 10:21:30.081 INFO [stderr] warning: unused import: `mem`
Dec 19 10:21:30.081 INFO [stderr]  --> src/akarin/server.rs:1:20
Dec 19 10:21:30.081 INFO [stderr]   |
Dec 19 10:21:30.081 INFO [stderr] 1 | use std::{fmt, io, mem};
Dec 19 10:21:30.081 INFO [stderr]   |                    ^^^
Dec 19 10:21:30.081 INFO [stderr] 
Dec 19 10:21:30.082 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 19 10:21:30.082 INFO [stderr]   --> src/akarin/mod.rs:26:20
Dec 19 10:21:30.082 INFO [stderr]    |
Dec 19 10:21:30.082 INFO [stderr] 26 |     fn serve(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 19 10:21:30.082 INFO [stderr]    |                    ^^^^^^^^
Dec 19 10:21:30.082 INFO [stderr]    |
Dec 19 10:21:30.082 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 19 10:21:30.082 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 19 10:21:30.082 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 19 10:21:30.082 INFO [stderr] 
Dec 19 10:21:30.082 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 19 10:21:30.082 INFO [stderr]   --> src/akarin/mod.rs:30:22
Dec 19 10:21:30.082 INFO [stderr]    |
Dec 19 10:21:30.082 INFO [stderr] 30 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 19 10:21:30.082 INFO [stderr]    |                      ^^^^^^^^
Dec 19 10:21:30.082 INFO [stderr]    |
Dec 19 10:21:30.082 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 19 10:21:30.082 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 19 10:21:30.082 INFO [stderr] 
Dec 19 10:21:30.083 INFO [stderr] warning: unused import: `common::error::*`
Dec 19 10:21:30.083 INFO [stderr]  --> src/transport/network.rs:6:5
Dec 19 10:21:30.083 INFO [stderr]   |
Dec 19 10:21:30.083 INFO [stderr] 6 | use common::error::*;
Dec 19 10:21:30.083 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 10:21:30.083 INFO [stderr] 
Dec 19 10:21:30.111 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 10:21:30.111 INFO [stderr]  --> src/main.rs:5:1
Dec 19 10:21:30.111 INFO [stderr]   |
Dec 19 10:21:30.111 INFO [stderr] 5 | #[macro_use]
Dec 19 10:21:30.111 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:21:30.111 INFO [stderr]   |
Dec 19 10:21:30.111 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:21:30.112 INFO [stderr] 
Dec 19 10:21:30.113 INFO [stderr] warning: unused import: `mem`
Dec 19 10:21:30.113 INFO [stderr]  --> src/akarin/server.rs:1:20
Dec 19 10:21:30.113 INFO [stderr]   |
Dec 19 10:21:30.113 INFO [stderr] 1 | use std::{fmt, io, mem};
Dec 19 10:21:30.113 INFO [stderr]   |                    ^^^
Dec 19 10:21:30.113 INFO [stderr] 
Dec 19 10:21:30.132 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 19 10:21:30.132 INFO [stderr]   --> src/akarin/mod.rs:26:20
Dec 19 10:21:30.132 INFO [stderr]    |
Dec 19 10:21:30.132 INFO [stderr] 26 |     fn serve(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 19 10:21:30.132 INFO [stderr]    |                    ^^^^^^^^
Dec 19 10:21:30.132 INFO [stderr]    |
Dec 19 10:21:30.132 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 19 10:21:30.132 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 19 10:21:30.132 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 19 10:21:30.132 INFO [stderr] 
Dec 19 10:21:30.132 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 19 10:21:30.132 INFO [stderr]   --> src/akarin/mod.rs:30:22
Dec 19 10:21:30.132 INFO [stderr]    |
Dec 19 10:21:30.184 INFO [stderr] 30 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()>;
Dec 19 10:21:30.184 INFO [stderr]    |                      ^^^^^^^^
Dec 19 10:21:30.184 INFO [stderr]    |
Dec 19 10:21:30.184 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 19 10:21:30.184 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 19 10:21:30.184 INFO [stderr] 
Dec 19 10:21:30.184 INFO [stderr] warning: unused import: `common::error::*`
Dec 19 10:21:30.184 INFO [stderr]  --> src/transport/network.rs:6:5
Dec 19 10:21:30.184 INFO [stderr]   |
Dec 19 10:21:30.184 INFO [stderr] 6 | use common::error::*;
Dec 19 10:21:30.184 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 10:21:30.184 INFO [stderr] 
Dec 19 10:21:30.395 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 10:21:30.395 INFO [stderr]   --> src/common/error.rs:1:1
Dec 19 10:21:30.395 INFO [stderr]    |
Dec 19 10:21:30.395 INFO [stderr] 1  | / error_chain! {
Dec 19 10:21:30.395 INFO [stderr] 2  | |     errors {
Dec 19 10:21:30.395 INFO [stderr] 3  | |         // Tun
Dec 19 10:21:30.395 INFO [stderr] 4  | |         TunNameTooLong
Dec 19 10:21:30.395 INFO [stderr] ...  |
Dec 19 10:21:30.395 INFO [stderr] 26 | |     }
Dec 19 10:21:30.395 INFO [stderr] 27 | | }
Dec 19 10:21:30.395 INFO [stderr]    | |_^
Dec 19 10:21:30.395 INFO [stderr]    |
Dec 19 10:21:30.396 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 10:21:30.396 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 19 10:21:30.396 INFO [stderr] 
Dec 19 10:21:30.396 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 10:21:30.396 INFO [stderr]   --> src/common/error.rs:1:1
Dec 19 10:21:30.396 INFO [stderr]    |
Dec 19 10:21:30.396 INFO [stderr] 1  | / error_chain! {
Dec 19 10:21:30.396 INFO [stderr] 2  | |     errors {
Dec 19 10:21:30.396 INFO [stderr] 3  | |         // Tun
Dec 19 10:21:30.396 INFO [stderr] 4  | |         TunNameTooLong
Dec 19 10:21:30.396 INFO [stderr] ...  |
Dec 19 10:21:30.396 INFO [stderr] 26 | |     }
Dec 19 10:21:30.396 INFO [stderr] 27 | | }
Dec 19 10:21:30.396 INFO [stderr]    | |_^
Dec 19 10:21:30.396 INFO [stderr]    |
Dec 19 10:21:30.396 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 19 10:21:30.396 INFO [stderr] 
Dec 19 10:21:30.396 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 10:21:30.396 INFO [stderr]   --> src/common/error.rs:1:1
Dec 19 10:21:30.396 INFO [stderr]    |
Dec 19 10:21:30.396 INFO [stderr] 1  | / error_chain! {
Dec 19 10:21:30.396 INFO [stderr] 2  | |     errors {
Dec 19 10:21:30.396 INFO [stderr] 3  | |         // Tun
Dec 19 10:21:30.396 INFO [stderr] 4  | |         TunNameTooLong
Dec 19 10:21:30.396 INFO [stderr] ...  |
Dec 19 10:21:30.396 INFO [stderr] 26 | |     }
Dec 19 10:21:30.396 INFO [stderr] 27 | | }
Dec 19 10:21:30.396 INFO [stderr]    | |_^
Dec 19 10:21:30.396 INFO [stderr]    |
Dec 19 10:21:30.396 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 10:21:30.396 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 19 10:21:30.396 INFO [stderr] 
Dec 19 10:21:30.396 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 10:21:30.396 INFO [stderr]   --> src/common/error.rs:1:1
Dec 19 10:21:30.396 INFO [stderr]    |
Dec 19 10:21:30.396 INFO [stderr] 1  | / error_chain! {
Dec 19 10:21:30.396 INFO [stderr] 2  | |     errors {
Dec 19 10:21:30.396 INFO [stderr] 3  | |         // Tun
Dec 19 10:21:30.396 INFO [stderr] 4  | |         TunNameTooLong
Dec 19 10:21:30.396 INFO [stderr] ...  |
Dec 19 10:21:30.396 INFO [stderr] 26 | |     }
Dec 19 10:21:30.396 INFO [stderr] 27 | | }
Dec 19 10:21:30.396 INFO [stderr]    | |_^
Dec 19 10:21:30.396 INFO [stderr]    |
Dec 19 10:21:30.396 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 19 10:21:30.396 INFO [stderr] 
Dec 19 10:21:30.448 INFO [stderr] warning: unused variable: `crypto`
Dec 19 10:21:30.448 INFO [stderr]   --> src/main.rs:37:9
Dec 19 10:21:30.448 INFO [stderr]    |
Dec 19 10:21:30.448 INFO [stderr] 37 |     let crypto = Ciphers::CHACHA20_POLY1305.init(password);
Dec 19 10:21:30.448 INFO [stderr]    |         ^^^^^^ help: consider using `_crypto` instead
Dec 19 10:21:30.448 INFO [stderr]    |
Dec 19 10:21:30.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:21:30.448 INFO [stderr] 
Dec 19 10:21:30.448 INFO [stderr] warning: unused variable: `token`
Dec 19 10:21:30.448 INFO [stderr]    --> src/akarin/server.rs:157:27
Dec 19 10:21:30.448 INFO [stderr]     |
Dec 19 10:21:30.448 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 19 10:21:30.448 INFO [stderr]     |                           ^^^^^ help: consider using `_token` instead
Dec 19 10:21:30.448 INFO [stderr] 
Dec 19 10:21:30.448 INFO [stderr] warning: unused variable: `sockaddr`
Dec 19 10:21:30.448 INFO [stderr]    --> src/akarin/server.rs:157:34
Dec 19 10:21:30.448 INFO [stderr]     |
Dec 19 10:21:30.448 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 19 10:21:30.448 INFO [stderr]     |                                  ^^^^^^^^ help: consider using `_sockaddr` instead
Dec 19 10:21:30.448 INFO [stderr] 
Dec 19 10:21:30.448 INFO [stderr] warning: unused variable: `handle`
Dec 19 10:21:30.448 INFO [stderr]    --> src/akarin/server.rs:163:40
Dec 19 10:21:30.448 INFO [stderr]     |
Dec 19 10:21:30.448 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.448 INFO [stderr]     |                                        ^^^^^^ help: consider using `_handle` instead
Dec 19 10:21:30.448 INFO [stderr] 
Dec 19 10:21:30.448 INFO [stderr] warning: unused variable: `core`
Dec 19 10:21:30.448 INFO [stderr]   --> src/akarin/client.rs:39:26
Dec 19 10:21:30.448 INFO [stderr]    |
Dec 19 10:21:30.448 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.448 INFO [stderr]    |                          ^^^^ help: consider using `_core` instead
Dec 19 10:21:30.448 INFO [stderr] 
Dec 19 10:21:30.448 INFO [stderr] warning: unused variable: `handle`
Dec 19 10:21:30.448 INFO [stderr]   --> src/akarin/client.rs:39:38
Dec 19 10:21:30.448 INFO [stderr]    |
Dec 19 10:21:30.448 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.448 INFO [stderr]    |                                      ^^^^^^ help: consider using `_handle` instead
Dec 19 10:21:30.448 INFO [stderr] 
Dec 19 10:21:30.472 INFO [stderr] warning: unused variable: `crypto`
Dec 19 10:21:30.472 INFO [stderr]   --> src/main.rs:37:9
Dec 19 10:21:30.472 INFO [stderr]    |
Dec 19 10:21:30.472 INFO [stderr] 37 |     let crypto = Ciphers::CHACHA20_POLY1305.init(password);
Dec 19 10:21:30.472 INFO [stderr]    |         ^^^^^^ help: consider using `_crypto` instead
Dec 19 10:21:30.472 INFO [stderr]    |
Dec 19 10:21:30.472 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:21:30.472 INFO [stderr] 
Dec 19 10:21:30.472 INFO [stderr] warning: unused variable: `token`
Dec 19 10:21:30.472 INFO [stderr]    --> src/akarin/server.rs:157:27
Dec 19 10:21:30.472 INFO [stderr]     |
Dec 19 10:21:30.472 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 19 10:21:30.472 INFO [stderr]     |                           ^^^^^ help: consider using `_token` instead
Dec 19 10:21:30.472 INFO [stderr] 
Dec 19 10:21:30.472 INFO [stderr] warning: unused variable: `sockaddr`
Dec 19 10:21:30.472 INFO [stderr]    --> src/akarin/server.rs:157:34
Dec 19 10:21:30.472 INFO [stderr]     |
Dec 19 10:21:30.472 INFO [stderr] 157 |             if let Some(&(token, sockaddr)) = self.clients.get(client_id) {}
Dec 19 10:21:30.472 INFO [stderr]     |                                  ^^^^^^^^ help: consider using `_sockaddr` instead
Dec 19 10:21:30.472 INFO [stderr] 
Dec 19 10:21:30.472 INFO [stderr] warning: unused variable: `handle`
Dec 19 10:21:30.472 INFO [stderr]    --> src/akarin/server.rs:163:40
Dec 19 10:21:30.472 INFO [stderr]     |
Dec 19 10:21:30.472 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.472 INFO [stderr]     |                                        ^^^^^^ help: consider using `_handle` instead
Dec 19 10:21:30.472 INFO [stderr] 
Dec 19 10:21:30.472 INFO [stderr] warning: unused variable: `core`
Dec 19 10:21:30.472 INFO [stderr]   --> src/akarin/client.rs:39:26
Dec 19 10:21:30.472 INFO [stderr]    |
Dec 19 10:21:30.472 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.472 INFO [stderr]    |                          ^^^^ help: consider using `_core` instead
Dec 19 10:21:30.472 INFO [stderr] 
Dec 19 10:21:30.472 INFO [stderr] warning: unused variable: `handle`
Dec 19 10:21:30.472 INFO [stderr]   --> src/akarin/client.rs:39:38
Dec 19 10:21:30.472 INFO [stderr]    |
Dec 19 10:21:30.472 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.472 INFO [stderr]    |                                      ^^^^^^ help: consider using `_handle` instead
Dec 19 10:21:30.472 INFO [stderr] 
Dec 19 10:21:30.480 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:21:30.480 INFO [stderr]    --> src/akarin/server.rs:163:14
Dec 19 10:21:30.480 INFO [stderr]     |
Dec 19 10:21:30.480 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.480 INFO [stderr]     |              ----^^^^
Dec 19 10:21:30.480 INFO [stderr]     |              |
Dec 19 10:21:30.480 INFO [stderr]     |              help: remove this `mut`
Dec 19 10:21:30.480 INFO [stderr]     |
Dec 19 10:21:30.480 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 10:21:30.480 INFO [stderr] 
Dec 19 10:21:30.480 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:21:30.480 INFO [stderr]   --> src/akarin/client.rs:39:22
Dec 19 10:21:30.480 INFO [stderr]    |
Dec 19 10:21:30.480 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.480 INFO [stderr]    |                      ----^^^^
Dec 19 10:21:30.480 INFO [stderr]    |                      |
Dec 19 10:21:30.480 INFO [stderr]    |                      help: remove this `mut`
Dec 19 10:21:30.480 INFO [stderr] 
Dec 19 10:21:30.512 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:21:30.512 INFO [stderr]    --> src/akarin/server.rs:163:14
Dec 19 10:21:30.512 INFO [stderr]     |
Dec 19 10:21:30.512 INFO [stderr] 163 |     fn serve(mut self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.512 INFO [stderr]     |              ----^^^^
Dec 19 10:21:30.512 INFO [stderr]     |              |
Dec 19 10:21:30.512 INFO [stderr]     |              help: remove this `mut`
Dec 19 10:21:30.512 INFO [stderr]     |
Dec 19 10:21:30.512 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 10:21:30.512 INFO [stderr] 
Dec 19 10:21:30.516 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:21:30.516 INFO [stderr]   --> src/akarin/client.rs:39:22
Dec 19 10:21:30.516 INFO [stderr]    |
Dec 19 10:21:30.516 INFO [stderr] 39 |     fn connect(self, mut core: Core, handle: Handle) -> Result<()> {
Dec 19 10:21:30.516 INFO [stderr]    |                      ----^^^^
Dec 19 10:21:30.516 INFO [stderr]    |                      |
Dec 19 10:21:30.516 INFO [stderr]    |                      help: remove this `mut`
Dec 19 10:21:30.516 INFO [stderr] 
Dec 19 10:21:30.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:21:30.544 INFO [stderr]    --> src/akarin/server.rs:164:9
Dec 19 10:21:30.544 INFO [stderr]     |
Dec 19 10:21:30.544 INFO [stderr] 164 |         core.run(self);
Dec 19 10:21:30.544 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 10:21:30.544 INFO [stderr]     |
Dec 19 10:21:30.544 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 10:21:30.544 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:21:30.544 INFO [stderr] 
Dec 19 10:21:30.583 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:21:30.583 INFO [stderr]    --> src/akarin/server.rs:164:9
Dec 19 10:21:30.583 INFO [stderr]     |
Dec 19 10:21:30.583 INFO [stderr] 164 |         core.run(self);
Dec 19 10:21:30.583 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Dec 19 10:21:30.584 INFO [stderr]     |
Dec 19 10:21:30.584 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 10:21:30.588 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:21:30.588 INFO [stderr] 
Dec 19 10:21:30.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.95s
Dec 19 10:21:31.396 INFO running `"docker" "inspect" "cf4d6dbd19aec9903a851f5c3e57bea3803dc1407ce1a8426c735a224fb0e91a"`
Dec 19 10:21:31.566 INFO running `"docker" "rm" "-f" "cf4d6dbd19aec9903a851f5c3e57bea3803dc1407ce1a8426c735a224fb0e91a"`
Dec 19 10:21:31.796 INFO [stdout] cf4d6dbd19aec9903a851f5c3e57bea3803dc1407ce1a8426c735a224fb0e91a