[INFO] fetching crate ultraviolet 0.7.5...
[INFO] checking ultraviolet-0.7.5 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[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 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892af7a9859655185bb459c06df308f008bd9540b01fd5bfe2048a9f01270015
[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" "892af7a9859655185bb459c06df308f008bd9540b01fd5bfe2048a9f01270015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892af7a9859655185bb459c06df308f008bd9540b01fd5bfe2048a9f01270015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892af7a9859655185bb459c06df308f008bd9540b01fd5bfe2048a9f01270015", kill_on_drop: false }`
[INFO] [stdout] 892af7a9859655185bb459c06df308f008bd9540b01fd5bfe2048a9f01270015
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a39eb2597cfb58e25e664f583ba58a59ba23a3371120849a7e27f7e1598392e1
[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" "a39eb2597cfb58e25e664f583ba58a59ba23a3371120849a7e27f7e1598392e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[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] [stderr]     Checking serde_test v1.0.123
[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 11.15s
[INFO] running `Command { std: "docker" "inspect" "a39eb2597cfb58e25e664f583ba58a59ba23a3371120849a7e27f7e1598392e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39eb2597cfb58e25e664f583ba58a59ba23a3371120849a7e27f7e1598392e1", kill_on_drop: false }`
[INFO] [stdout] a39eb2597cfb58e25e664f583ba58a59ba23a3371120849a7e27f7e1598392e1