[INFO] cloning repository https://github.com/StephenAshmore/synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StephenAshmore/synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenAshmore%2Fsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenAshmore%2Fsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08d0f790779f8167964623b8f93f558c978418fb
[INFO] testing StephenAshmore/synth against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenAshmore%2Fsynth" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StephenAshmore/synth on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StephenAshmore/synth
[INFO] finished tweaking git repo https://github.com/StephenAshmore/synth
[INFO] tweaked toml for git repo https://github.com/StephenAshmore/synth written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/StephenAshmore/synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d8d4c8780276546993a5ffab486b0ddc4a5346dc3a92080185754426539a2f
[INFO] running `Command { std: "docker" "start" "-a" "c6d8d4c8780276546993a5ffab486b0ddc4a5346dc3a92080185754426539a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d8d4c8780276546993a5ffab486b0ddc4a5346dc3a92080185754426539a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d8d4c8780276546993a5ffab486b0ddc4a5346dc3a92080185754426539a2f", kill_on_drop: false }`
[INFO] [stdout] c6d8d4c8780276546993a5ffab486b0ddc4a5346dc3a92080185754426539a2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 348ae3d7141b1ba9c31a0f52128226921ca40660884f1d9c9489815d44beb25c
[INFO] running `Command { std: "docker" "start" "-a" "348ae3d7141b1ba9c31a0f52128226921ca40660884f1d9c9489815d44beb25c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling terminal_size v0.1.7
[INFO] [stderr]    Compiling synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/cli/interface.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/cli/display.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write, BufRead};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/cli/display.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(error) => String::from(""),
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_pointer`
[INFO] [stdout]   --> src/cli/display.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut buffer_pointer = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut user_finished = false;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/display.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut buffer_pointer = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_sender`
[INFO] [stdout]  --> src/cli/interface.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     m_sender: Sender<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/cli/display.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/cli/display.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     y: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_cursor`
[INFO] [stdout]   --> src/cli/display.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     m_cursor: Cursor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cli/display.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         io::stdout().flush();
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "348ae3d7141b1ba9c31a0f52128226921ca40660884f1d9c9489815d44beb25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348ae3d7141b1ba9c31a0f52128226921ca40660884f1d9c9489815d44beb25c", kill_on_drop: false }`
[INFO] [stdout] 348ae3d7141b1ba9c31a0f52128226921ca40660884f1d9c9489815d44beb25c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fece8b487557b482f94eb7b3b9d76e786440aacee34d86a2b1596b1ea7aa30c
[INFO] running `Command { std: "docker" "start" "-a" "3fece8b487557b482f94eb7b3b9d76e786440aacee34d86a2b1596b1ea7aa30c", kill_on_drop: false }`
[INFO] [stderr]    Compiling synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/cli/interface.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/cli/display.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write, BufRead};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/cli/display.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 Err(error) => String::from(""),
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_pointer`
[INFO] [stdout]   --> src/cli/display.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut buffer_pointer = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut user_finished = false;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/display.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut buffer_pointer = 0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_sender`
[INFO] [stdout]  --> src/cli/interface.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     m_sender: Sender<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/cli/display.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/cli/display.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     y: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `m_cursor`
[INFO] [stdout]   --> src/cli/display.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     m_cursor: Cursor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cli/display.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         io::stdout().flush();
[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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "3fece8b487557b482f94eb7b3b9d76e786440aacee34d86a2b1596b1ea7aa30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fece8b487557b482f94eb7b3b9d76e786440aacee34d86a2b1596b1ea7aa30c", kill_on_drop: false }`
[INFO] [stdout] 3fece8b487557b482f94eb7b3b9d76e786440aacee34d86a2b1596b1ea7aa30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea9642ae9e41e3d1aab32ca0a85085ee11e7711e6af095b7a6a1f00f497802ec
[INFO] running `Command { std: "docker" "start" "-a" "ea9642ae9e41e3d1aab32ca0a85085ee11e7711e6af095b7a6a1f00f497802ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`
[INFO] [stderr]  --> src/main.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stderr]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/cli/interface.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/cli/display.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Write, BufRead};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/cli/display.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 Err(error) => String::from(""),
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer_pointer`
[INFO] [stderr]   --> src/cli/display.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut buffer_pointer = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_pointer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut user_finished = false;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/cli/display.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut buffer_pointer = 0;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m_sender`
[INFO] [stderr]  --> src/cli/interface.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     m_sender: Sender<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/cli/display.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     x: u16,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/cli/display.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     y: u16,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `m_cursor`
[INFO] [stderr]   --> src/cli/display.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     m_cursor: Cursor,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/cli/display.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         io::stdout().flush();
[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: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synth-6e7f79e982b9e7fd)
[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" "ea9642ae9e41e3d1aab32ca0a85085ee11e7711e6af095b7a6a1f00f497802ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9642ae9e41e3d1aab32ca0a85085ee11e7711e6af095b7a6a1f00f497802ec", kill_on_drop: false }`
[INFO] [stdout] ea9642ae9e41e3d1aab32ca0a85085ee11e7711e6af095b7a6a1f00f497802ec