[INFO] cloning repository https://github.com/Goirad/Quadtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Goirad/Quadtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoirad%2FQuadtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoirad%2FQuadtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96251f5ffecc5f243102d3275de3161e87cb1d06
[INFO] checking Goirad/Quadtree against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoirad%2FQuadtree" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Goirad/Quadtree on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Goirad/Quadtree
[INFO] finished tweaking git repo https://github.com/Goirad/Quadtree
[INFO] tweaked toml for git repo https://github.com/Goirad/Quadtree written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Goirad/Quadtree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fb61b71f36037cd3bfd75cc1e81af1dfd2c2bad76502d36e847d68f8c7aed80
[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" "9fb61b71f36037cd3bfd75cc1e81af1dfd2c2bad76502d36e847d68f8c7aed80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fb61b71f36037cd3bfd75cc1e81af1dfd2c2bad76502d36e847d68f8c7aed80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb61b71f36037cd3bfd75cc1e81af1dfd2c2bad76502d36e847d68f8c7aed80", kill_on_drop: false }`
[INFO] [stdout] 9fb61b71f36037cd3bfd75cc1e81af1dfd2c2bad76502d36e847d68f8c7aed80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b759a6e7b6e3b36fea334a49e28bc07a5ade60ac7cf85674ca5ae210c77f3acf
[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" "b759a6e7b6e3b36fea334a49e28bc07a5ade60ac7cf85674ca5ae210c77f3acf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking quadtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         (other.x - other.w > self.x - self.w
[INFO] [stdout] 23 | |             && other.x + other.w < self.x + self.w
[INFO] [stdout] 24 | |             && other.y - other.h > self.y - self.h
[INFO] [stdout] 25 | |             && other.y + other.h < self.y + self.h)
[INFO] [stdout]    | |___________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 |         other.x - other.w > self.x - self.w
[INFO] [stdout] 23 |             && other.x + other.w < self.x + self.w
[INFO] [stdout] 24 |             && other.y - other.h > self.y - self.h
[INFO] [stdout] 25 |             && other.y + other.h < self.y + self.h
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         (other.x - other.w > self.x - self.w
[INFO] [stdout] 23 | |             && other.x + other.w < self.x + self.w
[INFO] [stdout] 24 | |             && other.y - other.h > self.y - self.h
[INFO] [stdout] 25 | |             && other.y + other.h < self.y + self.h)
[INFO] [stdout]    | |___________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 |         other.x - other.w > self.x - self.w
[INFO] [stdout] 23 |             && other.x + other.w < self.x + self.w
[INFO] [stdout] 24 |             && other.y - other.h > self.y - self.h
[INFO] [stdout] 25 |             && other.y + other.h < self.y + self.h
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "b759a6e7b6e3b36fea334a49e28bc07a5ade60ac7cf85674ca5ae210c77f3acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b759a6e7b6e3b36fea334a49e28bc07a5ade60ac7cf85674ca5ae210c77f3acf", kill_on_drop: false }`
[INFO] [stdout] b759a6e7b6e3b36fea334a49e28bc07a5ade60ac7cf85674ca5ae210c77f3acf