[INFO] cloning repository https://github.com/knightmar/knightLaser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knightmar/knightLaser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightmar%2FknightLaser", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4404afbeeec7c2719072160f20197836d45a2cd1
[INFO] testing knightmar/knightLaser against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightmar%2FknightLaser" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/knightmar/knightLaser
[INFO] finished tweaking git repo https://github.com/knightmar/knightLaser
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[INFO] validating manifest of git repo https://github.com/knightmar/knightLaser on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
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[INFO] crate git repo https://github.com/knightmar/knightLaser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling knightLaser2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `laser` is never read
[INFO] [stdout]   --> src/backend/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Backend {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     laser: Laser,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Backend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_int`, `x_motor`, `y_motor`, and `laser` are never used
[INFO] [stdout]   --> src/backend/mod.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Backend {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn get_int(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn x_motor(&self) -> &Option<Motor> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn y_motor(&self) -> &Option<Motor> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn laser(&self) -> &Laser {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FileNotFound`, `FileNotReadable`, and `GeneralError` are never constructed
[INFO] [stdout]  --> src/utils/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Error {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 4 |     FileNotFound(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 5 |     FileNotReadable(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     GeneralError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         x.start_backend().await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = x.start_backend().await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/api/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         backend.rotate_x(angle);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let _ = backend.rotate_x(angle);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/api/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         backend.rotate_y(angle);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = backend.rotate_y(angle);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "ad0fbe386b18541bd009da4ab3f21da491d45701000b88a94d7e3ed0f87b9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0fbe386b18541bd009da4ab3f21da491d45701000b88a94d7e3ed0f87b9beb", kill_on_drop: false }`
[INFO] [stdout] ad0fbe386b18541bd009da4ab3f21da491d45701000b88a94d7e3ed0f87b9beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939d608a06a43bcea6850a0652243c83cf5ef77389d511c1cc9ed0733abf94b7
[INFO] running `Command { std: "docker" "start" "-a" "939d608a06a43bcea6850a0652243c83cf5ef77389d511c1cc9ed0733abf94b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling knightLaser2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `laser` is never read
[INFO] [stdout]   --> src/backend/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Backend {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     laser: Laser,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Backend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_int`, `x_motor`, `y_motor`, and `laser` are never used
[INFO] [stdout]   --> src/backend/mod.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Backend {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn get_int(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn x_motor(&self) -> &Option<Motor> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn y_motor(&self) -> &Option<Motor> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn laser(&self) -> &Laser {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FileNotFound`, `FileNotReadable`, and `GeneralError` are never constructed
[INFO] [stdout]  --> src/utils/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Error {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 4 |     FileNotFound(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 5 |     FileNotReadable(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     GeneralError(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         x.start_backend().await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = x.start_backend().await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/api/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         backend.rotate_x(angle);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let _ = backend.rotate_x(angle);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/api/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         backend.rotate_y(angle);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = backend.rotate_y(angle);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "939d608a06a43bcea6850a0652243c83cf5ef77389d511c1cc9ed0733abf94b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939d608a06a43bcea6850a0652243c83cf5ef77389d511c1cc9ed0733abf94b7", kill_on_drop: false }`
[INFO] [stdout] 939d608a06a43bcea6850a0652243c83cf5ef77389d511c1cc9ed0733abf94b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c824be0d3d5d7fbfd0992676f0219f5183bd9a86e6812869c85a8626e1f5d77e
[INFO] running `Command { std: "docker" "start" "-a" "c824be0d3d5d7fbfd0992676f0219f5183bd9a86e6812869c85a8626e1f5d77e", kill_on_drop: false }`
[INFO] [stderr] warning: field `laser` is never read
[INFO] [stderr]   --> src/backend/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Backend {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     laser: Laser,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Backend` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_int`, `x_motor`, `y_motor`, and `laser` are never used
[INFO] [stderr]   --> src/backend/mod.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Backend {
[INFO] [stderr]    | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn get_int(&self) -> i32 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn x_motor(&self) -> &Option<Motor> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn y_motor(&self) -> &Option<Motor> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |     pub fn laser(&self) -> &Laser {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `FileNotFound`, `FileNotReadable`, and `GeneralError` are never constructed
[INFO] [stderr]  --> src/utils/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Error {
[INFO] [stderr]   |          ----- variants in this enum
[INFO] [stderr] 4 |     FileNotFound(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 5 |     FileNotReadable(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 6 |     GeneralError(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         x.start_backend().await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let _ = x.start_backend().await;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/api/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         backend.rotate_x(angle);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let _ = backend.rotate_x(angle);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/api/mod.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         backend.rotate_y(angle);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let _ = backend.rotate_y(angle);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `knightLaser2` (bin "knightLaser2" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/knightLaser2-0bf82842cd14c102)
[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" "c824be0d3d5d7fbfd0992676f0219f5183bd9a86e6812869c85a8626e1f5d77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c824be0d3d5d7fbfd0992676f0219f5183bd9a86e6812869c85a8626e1f5d77e", kill_on_drop: false }`
[INFO] [stdout] c824be0d3d5d7fbfd0992676f0219f5183bd9a86e6812869c85a8626e1f5d77e
