[INFO] cloning repository https://github.com/bluecereal/t-render
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluecereal/t-render" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecereal%2Ft-render", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecereal%2Ft-render'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceb96730fd1c05bd8c9dc386c328f22dfe67fc62
[INFO] testing bluecereal/t-render against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecereal%2Ft-render" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bluecereal/t-render on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bluecereal/t-render
[INFO] finished tweaking git repo https://github.com/bluecereal/t-render
[INFO] tweaked toml for git repo https://github.com/bluecereal/t-render written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bluecereal/t-render already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b07e3962d91ecd52519adb8d7796881781fb8837ae6c164e36a25d823cbb2e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b07e3962d91ecd52519adb8d7796881781fb8837ae6c164e36a25d823cbb2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b07e3962d91ecd52519adb8d7796881781fb8837ae6c164e36a25d823cbb2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b07e3962d91ecd52519adb8d7796881781fb8837ae6c164e36a25d823cbb2e0", kill_on_drop: false }`
[INFO] [stdout] 8b07e3962d91ecd52519adb8d7796881781fb8837ae6c164e36a25d823cbb2e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b826bcc4365558ae474298a749eb5ff23f61cdea18d685b86a04cca02341382
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b826bcc4365558ae474298a749eb5ff23f61cdea18d685b86a04cca02341382", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling termion v1.1.4
[INFO] [stderr]    Compiling t-render v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/execution.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vertex.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut x_distance = this.get_x() - other.get_x();
[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/vertex.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut y_distance = this.get_y() - other.get_y();
[INFO] [stdout]   |         ----^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_between`
[INFO] [stdout]  --> src/vertex.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Comparer`
[INFO] [stdout]  --> src/compare.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Comparer<T: Comparable> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/compare.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/compare.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn update(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/execution.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/execution.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
[INFO] [stdout] 29 | |                    color = color::Fg(vertex.get_color()),
[INFO] [stdout] 30 | |                    color_reset = color::Fg(color::Reset)
[INFO] [stdout] 31 | |                );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/execution.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "9b826bcc4365558ae474298a749eb5ff23f61cdea18d685b86a04cca02341382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b826bcc4365558ae474298a749eb5ff23f61cdea18d685b86a04cca02341382", kill_on_drop: false }`
[INFO] [stdout] 9b826bcc4365558ae474298a749eb5ff23f61cdea18d685b86a04cca02341382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ade564bf1e9b78821077e6eca131e9255743d88d69375041d0022659029b48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75ade564bf1e9b78821077e6eca131e9255743d88d69375041d0022659029b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling t-render v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/execution.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/vertex.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut x_distance = this.get_x() - other.get_x();
[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/vertex.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut y_distance = this.get_y() - other.get_y();
[INFO] [stdout]   |         ----^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_between`
[INFO] [stdout]  --> src/vertex.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Comparer`
[INFO] [stdout]  --> src/compare.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Comparer<T: Comparable> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/compare.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/compare.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn update(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/execution.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/execution.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
[INFO] [stdout] 29 | |                    color = color::Fg(vertex.get_color()),
[INFO] [stdout] 30 | |                    color_reset = color::Fg(color::Reset)
[INFO] [stdout] 31 | |                );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/execution.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "75ade564bf1e9b78821077e6eca131e9255743d88d69375041d0022659029b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ade564bf1e9b78821077e6eca131e9255743d88d69375041d0022659029b48", kill_on_drop: false }`
[INFO] [stdout] 75ade564bf1e9b78821077e6eca131e9255743d88d69375041d0022659029b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bf0253b31b87d0527a21ffd88f96ff7711894089609be4ebf40ca139a92f563
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bf0253b31b87d0527a21ffd88f96ff7711894089609be4ebf40ca139a92f563", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/execution.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/vertex.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut x_distance = this.get_x() - other.get_x();
[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/vertex.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut y_distance = this.get_y() - other.get_y();
[INFO] [stderr]   |         ----^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `distance_between`
[INFO] [stderr]  --> src/vertex.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn distance_between<C>(this: &Vertex<C>, other: &Vertex<C>) -> (u32, u32) where C: Copy + Clone + Color {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Comparer`
[INFO] [stderr]  --> src/compare.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Comparer<T: Comparable> {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/compare.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(things: Vec<T>) -> Comparer<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/compare.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn update(&mut self) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/execution.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         write!(self.out, "{clear}", clear = termion::clear::All);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/execution.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 | /             write!(self.out, "{}{color}!!{color_reset}", termion::cursor::Goto(vertex.get_x() as u16, vertex.get_y() as u16),
[INFO] [stderr] 29 | |                    color = color::Fg(vertex.get_color()),
[INFO] [stderr] 30 | |                    color_reset = color::Fg(color::Reset)
[INFO] [stderr] 31 | |                );
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/execution.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             write!(self.out, "{}", termion::cursor::Goto(1, 1));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/t_render-5ab3b9108aea5c85
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bf0253b31b87d0527a21ffd88f96ff7711894089609be4ebf40ca139a92f563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf0253b31b87d0527a21ffd88f96ff7711894089609be4ebf40ca139a92f563", kill_on_drop: false }`
[INFO] [stdout] 2bf0253b31b87d0527a21ffd88f96ff7711894089609be4ebf40ca139a92f563