[INFO] cloning repository https://github.com/ByteNybbler/VFCheeser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ByteNybbler/VFCheeser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByteNybbler%2FVFCheeser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByteNybbler%2FVFCheeser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d4e2c8c5b42451e482891007c1a4757ef3842cf
[INFO] testing ByteNybbler/VFCheeser against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FByteNybbler%2FVFCheeser" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ByteNybbler/VFCheeser on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ByteNybbler/VFCheeser
[INFO] finished tweaking git repo https://github.com/ByteNybbler/VFCheeser
[INFO] tweaked toml for git repo https://github.com/ByteNybbler/VFCheeser written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/ByteNybbler/VFCheeser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af664214acd3609b469b65b8412d5036ff0f8ed3f10cecc0ee33b78ccfd8da0
[INFO] running `Command { std: "docker" "start" "-a" "8af664214acd3609b469b65b8412d5036ff0f8ed3f10cecc0ee33b78ccfd8da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af664214acd3609b469b65b8412d5036ff0f8ed3f10cecc0ee33b78ccfd8da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af664214acd3609b469b65b8412d5036ff0f8ed3f10cecc0ee33b78ccfd8da0", kill_on_drop: false }`
[INFO] [stdout] 8af664214acd3609b469b65b8412d5036ff0f8ed3f10cecc0ee33b78ccfd8da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8389eb998e5b2acda7a0439e45cbed058f7113dc8a2b3a69c819710c856bd36
[INFO] running `Command { std: "docker" "start" "-a" "b8389eb998e5b2acda7a0439e45cbed058f7113dc8a2b3a69c819710c856bd36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling voiceforge_cheeser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::text_command::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::text_command::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let stdin = std::io::stdin();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut audio_parameters = AudioParameters {
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TextCommand`
[INFO] [stdout]  --> src/text_command.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TextCommand;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]  --> src/text_command.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn execute(&self) {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TextCommandMapper`
[INFO] [stdout]   --> src/text_command.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TextCommandMapper {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/text_command.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(command_names: HashMap<String, TextCommand>) -> TextCommandMapper {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_command_message`
[INFO] [stdout]   --> src/text_command.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn is_command_message(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_run_command`
[INFO] [stdout]   --> src/text_command.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn try_run_command(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_message_without_command_prefix`
[INFO] [stdout]   --> src/text_command.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_message_without_command_prefix<'a>(&self, message: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `split_message_into_arguments`
[INFO] [stdout]   --> src/text_command.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn split_message_into_arguments<'a>(&self, message: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interpret_as_command`
[INFO] [stdout]   --> src/text_command.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn interpret_as_command(&self, message: &str) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_arguments`
[INFO] [stdout]   --> src/text_command.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parse_arguments(&self, arguments: &[&str]) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/text_command.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.interpret_as_command(message);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "b8389eb998e5b2acda7a0439e45cbed058f7113dc8a2b3a69c819710c856bd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8389eb998e5b2acda7a0439e45cbed058f7113dc8a2b3a69c819710c856bd36", kill_on_drop: false }`
[INFO] [stdout] b8389eb998e5b2acda7a0439e45cbed058f7113dc8a2b3a69c819710c856bd36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798a78afacfa3e2ceb231f1260c48d2dd818ebf99f6ef7c7d926e15a996c2a30
[INFO] running `Command { std: "docker" "start" "-a" "798a78afacfa3e2ceb231f1260c48d2dd818ebf99f6ef7c7d926e15a996c2a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling voiceforge_cheeser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::text_command::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::text_command::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let stdin = std::io::stdin();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut audio_parameters = AudioParameters {
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TextCommand`
[INFO] [stdout]  --> src/text_command.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TextCommand;
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]  --> src/text_command.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn execute(&self) {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TextCommandMapper`
[INFO] [stdout]   --> src/text_command.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TextCommandMapper {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/text_command.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(command_names: HashMap<String, TextCommand>) -> TextCommandMapper {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_command_message`
[INFO] [stdout]   --> src/text_command.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn is_command_message(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_run_command`
[INFO] [stdout]   --> src/text_command.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn try_run_command(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_message_without_command_prefix`
[INFO] [stdout]   --> src/text_command.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_message_without_command_prefix<'a>(&self, message: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `split_message_into_arguments`
[INFO] [stdout]   --> src/text_command.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn split_message_into_arguments<'a>(&self, message: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interpret_as_command`
[INFO] [stdout]   --> src/text_command.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn interpret_as_command(&self, message: &str) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_arguments`
[INFO] [stdout]   --> src/text_command.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parse_arguments(&self, arguments: &[&str]) -> Result<(), ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/text_command.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.interpret_as_command(message);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "798a78afacfa3e2ceb231f1260c48d2dd818ebf99f6ef7c7d926e15a996c2a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798a78afacfa3e2ceb231f1260c48d2dd818ebf99f6ef7c7d926e15a996c2a30", kill_on_drop: false }`
[INFO] [stdout] 798a78afacfa3e2ceb231f1260c48d2dd818ebf99f6ef7c7d926e15a996c2a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09af8ba15fb6adb38a5eb51b77f9c934bd0eee469c784b64b97e5565a9333919
[INFO] running `Command { std: "docker" "start" "-a" "09af8ba15fb6adb38a5eb51b77f9c934bd0eee469c784b64b97e5565a9333919", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::text_command::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::text_command::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let stdin = std::io::stdin();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut audio_parameters = AudioParameters {
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TextCommand`
[INFO] [stderr]  --> src/text_command.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TextCommand;
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]  --> src/text_command.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn execute(&self) {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TextCommandMapper`
[INFO] [stderr]   --> src/text_command.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct TextCommandMapper {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/text_command.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(command_names: HashMap<String, TextCommand>) -> TextCommandMapper {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_command_message`
[INFO] [stderr]   --> src/text_command.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_command_message(&self, message: &str) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_run_command`
[INFO] [stderr]   --> src/text_command.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn try_run_command(&self, message: &str) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_message_without_command_prefix`
[INFO] [stderr]   --> src/text_command.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get_message_without_command_prefix<'a>(&self, message: &'a str) -> &'a str {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `split_message_into_arguments`
[INFO] [stderr]   --> src/text_command.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn split_message_into_arguments<'a>(&self, message: &'a str) -> Vec<&'a str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `interpret_as_command`
[INFO] [stderr]   --> src/text_command.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn interpret_as_command(&self, message: &str) -> Result<(), ()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_arguments`
[INFO] [stderr]   --> src/text_command.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parse_arguments(&self, arguments: &[&str]) -> Result<(), ()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/text_command.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             self.interpret_as_command(message);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `voiceforge_cheeser` (bin "voiceforge_cheeser" test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/voiceforge_cheeser-fb942e55d9d31276)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09af8ba15fb6adb38a5eb51b77f9c934bd0eee469c784b64b97e5565a9333919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09af8ba15fb6adb38a5eb51b77f9c934bd0eee469c784b64b97e5565a9333919", kill_on_drop: false }`
[INFO] [stdout] 09af8ba15fb6adb38a5eb51b77f9c934bd0eee469c784b64b97e5565a9333919