[INFO] cloning repository https://github.com/poida/howitzer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poida/howitzer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoida%2Fhowitzer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoida%2Fhowitzer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0e3ca7121565e513367a31d911345a1bb93984c
[INFO] checking poida/howitzer-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoida%2Fhowitzer-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poida/howitzer-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/poida/howitzer-rs
[INFO] finished tweaking git repo https://github.com/poida/howitzer-rs
[INFO] tweaked toml for git repo https://github.com/poida/howitzer-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/poida/howitzer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f11278d2960206e809dc3f1f55a9fd13422b9f15b8e58aca794b5c4d2b48b3d
[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" "7f11278d2960206e809dc3f1f55a9fd13422b9f15b8e58aca794b5c4d2b48b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f11278d2960206e809dc3f1f55a9fd13422b9f15b8e58aca794b5c4d2b48b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f11278d2960206e809dc3f1f55a9fd13422b9f15b8e58aca794b5c4d2b48b3d", kill_on_drop: false }`
[INFO] [stdout] 7f11278d2960206e809dc3f1f55a9fd13422b9f15b8e58aca794b5c4d2b48b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ac8d19507f2b0faf7b1588ab96f58369007456b4ba2198f477f23bd43d047d
[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" "08ac8d19507f2b0faf7b1588ab96f58369007456b4ba2198f477f23bd43d047d", kill_on_drop: false }`
[INFO] [stderr]     Checking howitzer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `projectile`
[INFO] [stdout]   --> src/main.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn hit(self, projectile: Projectile) -> Tank {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_projectile`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn add(self, v: Vector2d) -> Position2d {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pos2`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn pos2(x: f64, y: f64) -> Position2d {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec2`
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn vec2(x: f64, y: f64) -> Vector2d {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn add(self, v: Vector2d) -> Vector2d {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `times`
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn times(self, scalar: f64) -> Vector2d {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn update(self, time_delta_seconds: f64) -> Projectile {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_alive`
[INFO] [stdout]   --> src/main.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn is_alive(self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shoot`
[INFO] [stdout]   --> src/main.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn shoot(self, power: i8) -> Projectile {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hit`
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn hit(self, projectile: Projectile) -> Tank {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `barrel_vector`
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn barrel_vector(self) -> Vector2d {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]    --> src/main.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn update(self, time_delta_seconds: f64) -> World {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `projectile`
[INFO] [stdout]   --> src/main.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn hit(self, projectile: Projectile) -> Tank {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_projectile`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "08ac8d19507f2b0faf7b1588ab96f58369007456b4ba2198f477f23bd43d047d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ac8d19507f2b0faf7b1588ab96f58369007456b4ba2198f477f23bd43d047d", kill_on_drop: false }`
[INFO] [stdout] 08ac8d19507f2b0faf7b1588ab96f58369007456b4ba2198f477f23bd43d047d