[INFO] fetching crate vec2d 0.3.0...
[INFO] checking vec2d-0.3.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate vec2d 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate vec2d 0.3.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vec2d 0.3.0
[INFO] finished tweaking crates.io crate vec2d 0.3.0
[INFO] tweaked toml for crates.io crate vec2d 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 136a2736f933106fb1111d1bd044272ccf4fb9b4b12e7716249d06e6b890ef56
[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" "136a2736f933106fb1111d1bd044272ccf4fb9b4b12e7716249d06e6b890ef56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "136a2736f933106fb1111d1bd044272ccf4fb9b4b12e7716249d06e6b890ef56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136a2736f933106fb1111d1bd044272ccf4fb9b4b12e7716249d06e6b890ef56", kill_on_drop: false }`
[INFO] [stdout] 136a2736f933106fb1111d1bd044272ccf4fb9b4b12e7716249d06e6b890ef56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1683599a2c79c1484802017503d266bb55c071722c3b0bc108a5d8227394cf73
[INFO] running `Command { std: "docker" "start" "-a" "1683599a2c79c1484802017503d266bb55c071722c3b0bc108a5d8227394cf73", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking vec2d v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 | /         (coord.x >= self.min_coord.x
[INFO] [stdout] 119 | |             && coord.x <= self.max_coord.x
[INFO] [stdout] 120 | |             && coord.y >= self.min_coord.y
[INFO] [stdout] 121 | |             && coord.y <= self.max_coord.y)
[INFO] [stdout]     | |___________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 |         coord.x >= self.min_coord.x
[INFO] [stdout] 119 |             && coord.x <= self.max_coord.x
[INFO] [stdout] 120 |             && coord.y >= self.min_coord.y
[INFO] [stdout] 121 |             && coord.y <= self.max_coord.y
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 | /         (coord.x >= self.min_coord.x
[INFO] [stdout] 119 | |             && coord.x <= self.max_coord.x
[INFO] [stdout] 120 | |             && coord.y >= self.min_coord.y
[INFO] [stdout] 121 | |             && coord.y <= self.max_coord.y)
[INFO] [stdout]     | |___________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 118 |         coord.x >= self.min_coord.x
[INFO] [stdout] 119 |             && coord.x <= self.max_coord.x
[INFO] [stdout] 120 |             && coord.y >= self.min_coord.y
[INFO] [stdout] 121 |             && coord.y <= self.max_coord.y
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "1683599a2c79c1484802017503d266bb55c071722c3b0bc108a5d8227394cf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1683599a2c79c1484802017503d266bb55c071722c3b0bc108a5d8227394cf73", kill_on_drop: false }`
[INFO] [stdout] 1683599a2c79c1484802017503d266bb55c071722c3b0bc108a5d8227394cf73