[INFO] fetching crate ultraviolet 0.7.5...
[INFO] checking ultraviolet-0.7.5 against beta for pr-78714
[INFO] extracting crate ultraviolet 0.7.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ultraviolet 0.7.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ultraviolet 0.7.5
[INFO] finished tweaking crates.io crate ultraviolet 0.7.5
[INFO] tweaked toml for crates.io crate ultraviolet 0.7.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eb0cd6371862028bf31e27e447c8150b6a458bbac04928fb9b25abfb05a087b
[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" "8eb0cd6371862028bf31e27e447c8150b6a458bbac04928fb9b25abfb05a087b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb0cd6371862028bf31e27e447c8150b6a458bbac04928fb9b25abfb05a087b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb0cd6371862028bf31e27e447c8150b6a458bbac04928fb9b25abfb05a087b", kill_on_drop: false }`
[INFO] [stdout] 8eb0cd6371862028bf31e27e447c8150b6a458bbac04928fb9b25abfb05a087b
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f40064e3f5fe2a6902a47bc819692185d5ac6a7b5dc606a47e4ab066781451c
[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" "0f40064e3f5fe2a6902a47bc819692185d5ac6a7b5dc606a47e4ab066781451c", kill_on_drop: false }`
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking wide v0.5.5
[INFO] [stderr]     Checking ultraviolet v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f32::consts::FRAC_PI_2`
[INFO] [stdout]     --> src/mat.rs:1631:9
[INFO] [stdout]      |
[INFO] [stdout] 1631 |     use std::f32::consts::FRAC_PI_2;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::PI`
[INFO] [stdout]     --> src/mat.rs:1632:9
[INFO] [stdout]      |
[INFO] [stdout] 1632 |     use std::f32::consts::PI;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "0f40064e3f5fe2a6902a47bc819692185d5ac6a7b5dc606a47e4ab066781451c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f40064e3f5fe2a6902a47bc819692185d5ac6a7b5dc606a47e4ab066781451c", kill_on_drop: false }`
[INFO] [stdout] 0f40064e3f5fe2a6902a47bc819692185d5ac6a7b5dc606a47e4ab066781451c