[INFO] cloning repository https://github.com/sirkibsirkib/mc_dummy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/mc_dummy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmc_dummy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmc_dummy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 482714e31f7071909367e56c7fe5600b272a8aa3
[INFO] testing sirkibsirkib/mc_dummy against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmc_dummy" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/mc_dummy on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirkibsirkib/mc_dummy
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/mc_dummy
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/mc_dummy written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/mc_dummy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ac33fce28aacfbc37fa7d07896ddc0dc87f94e07558f3d96eac9f1eab30270e
[INFO] running `Command { std: "docker" "start" "-a" "9ac33fce28aacfbc37fa7d07896ddc0dc87f94e07558f3d96eac9f1eab30270e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac33fce28aacfbc37fa7d07896ddc0dc87f94e07558f3d96eac9f1eab30270e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac33fce28aacfbc37fa7d07896ddc0dc87f94e07558f3d96eac9f1eab30270e", kill_on_drop: false }`
[INFO] [stdout] 9ac33fce28aacfbc37fa7d07896ddc0dc87f94e07558f3d96eac9f1eab30270e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d050c97522929b63aca47be19a9e4a93f3d1c0b53290788459f576dc9df49d36
[INFO] running `Command { std: "docker" "start" "-a" "d050c97522929b63aca47be19a9e4a93f3d1c0b53290788459f576dc9df49d36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling mc_dummy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `WritePlusPlus`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     WritePlusPlus,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Position`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Position,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Clientward`
[INFO] [stdout]   --> src/mc_channel.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Clientward {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Status`
[INFO] [stdout]   --> src/mc_channel.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Login, Status,
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CommandsOnly`
[INFO] [stdout]   --> src/mc_channel.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hidden`
[INFO] [stdout]   --> src/mc_channel.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/mc_channel.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Left, Right,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PayloadReader`
[INFO] [stdout]   --> src/main.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_rel`
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn move_rel(&mut self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |             while len > buf.len() { &buf.push(0u8); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |             while len > buf.len() { let _ = &buf.push(0u8); }
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/mc_channel.rs:220:6
[INFO] [stdout]     |
[INFO] [stdout] 220 |         self.write_f64::<BigEndian>(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/mc_channel.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 |         self.write_f32::<BigEndian>(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this arithmetic operation will overflow
[INFO] [stdout]    --> src/mc_channel.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |             x = x + (1 << 32);
[INFO] [stdout]     |                     ^^^^^^^^^ attempt to shift left by `32_i32`, which would overflow
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this arithmetic operation will overflow
[INFO] [stdout]    --> src/mc_channel.rs:267:29
[INFO] [stdout]     |
[INFO] [stdout] 267 |             total = total - (1 << 32);
[INFO] [stdout]     |                             ^^^^^^^^^ attempt to shift left by `32_i32`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "d050c97522929b63aca47be19a9e4a93f3d1c0b53290788459f576dc9df49d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d050c97522929b63aca47be19a9e4a93f3d1c0b53290788459f576dc9df49d36", kill_on_drop: false }`
[INFO] [stdout] d050c97522929b63aca47be19a9e4a93f3d1c0b53290788459f576dc9df49d36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29be8b1869eee9e9466a4f55cc7a8765ae95f24715024afb5755ef67535f3c16
[INFO] running `Command { std: "docker" "start" "-a" "29be8b1869eee9e9466a4f55cc7a8765ae95f24715024afb5755ef67535f3c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc_dummy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `WritePlusPlus`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     WritePlusPlus,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Position`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Position,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Clientward`
[INFO] [stdout]   --> src/mc_channel.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Clientward {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Status`
[INFO] [stdout]   --> src/mc_channel.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Login, Status,
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CommandsOnly`
[INFO] [stdout]   --> src/mc_channel.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hidden`
[INFO] [stdout]   --> src/mc_channel.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/mc_channel.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Left, Right,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PayloadReader`
[INFO] [stdout]   --> src/main.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_rel`
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn move_rel(&mut self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |             while len > buf.len() { &buf.push(0u8); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |             while len > buf.len() { let _ = &buf.push(0u8); }
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/mc_channel.rs:220:6
[INFO] [stdout]     |
[INFO] [stdout] 220 |         self.write_f64::<BigEndian>(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/mc_channel.rs:224:6
[INFO] [stdout]     |
[INFO] [stdout] 224 |         self.write_f32::<BigEndian>(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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 0.48s
[INFO] running `Command { std: "docker" "inspect" "29be8b1869eee9e9466a4f55cc7a8765ae95f24715024afb5755ef67535f3c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29be8b1869eee9e9466a4f55cc7a8765ae95f24715024afb5755ef67535f3c16", kill_on_drop: false }`
[INFO] [stdout] 29be8b1869eee9e9466a4f55cc7a8765ae95f24715024afb5755ef67535f3c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb492b0d090001221d78bcde3e62b2cf502c3742a81bceee7a5e116883a47cfd
[INFO] running `Command { std: "docker" "start" "-a" "bb492b0d090001221d78bcde3e62b2cf502c3742a81bceee7a5e116883a47cfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `WritePlusPlus`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     WritePlusPlus,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Position`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Position,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Clientward`
[INFO] [stderr]   --> src/mc_channel.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Clientward {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Status`
[INFO] [stderr]   --> src/mc_channel.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Login, Status,
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CommandsOnly`
[INFO] [stderr]   --> src/mc_channel.rs:48:11
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hidden`
[INFO] [stderr]   --> src/mc_channel.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Enabled, CommandsOnly, Hidden
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/mc_channel.rs:51:2
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Left, Right,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PayloadReader`
[INFO] [stderr]   --> src/main.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | type PayloadReader<'a> = BufReader<&'a [u8]>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_rel`
[INFO] [stderr]    --> src/main.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn move_rel(&mut self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/main.rs:115:37
[INFO] [stderr]     |
[INFO] [stderr] 115 |             while len > buf.len() { &buf.push(0u8); }
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 115 |             while len > buf.len() { let _ = &buf.push(0u8); }
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/mc_channel.rs:220:6
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self.write_f64::<BigEndian>(x);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/mc_channel.rs:224:6
[INFO] [stderr]     |
[INFO] [stderr] 224 |         self.write_f32::<BigEndian>(x);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `mc_dummy` (bin "mc_dummy" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mc_dummy-ff7e0a58fb084512)
[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" "bb492b0d090001221d78bcde3e62b2cf502c3742a81bceee7a5e116883a47cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb492b0d090001221d78bcde3e62b2cf502c3742a81bceee7a5e116883a47cfd", kill_on_drop: false }`
[INFO] [stdout] bb492b0d090001221d78bcde3e62b2cf502c3742a81bceee7a5e116883a47cfd