[INFO] fetching crate vegas-rs 0.1.0...
[INFO] checking vegas-rs-0.1.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate vegas-rs 0.1.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate vegas-rs 0.1.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vegas-rs 0.1.0
[INFO] finished tweaking crates.io crate vegas-rs 0.1.0
[INFO] tweaked toml for crates.io crate vegas-rs 0.1.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73719ee6cc4afaa8859e3f7d84e910f406590de88b4a7ca582be3f73159af7b4
[INFO] running `Command { std: "docker" "start" "-a" "73719ee6cc4afaa8859e3f7d84e910f406590de88b4a7ca582be3f73159af7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73719ee6cc4afaa8859e3f7d84e910f406590de88b4a7ca582be3f73159af7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73719ee6cc4afaa8859e3f7d84e910f406590de88b4a7ca582be3f73159af7b4", kill_on_drop: false }`
[INFO] [stdout] 73719ee6cc4afaa8859e3f7d84e910f406590de88b4a7ca582be3f73159af7b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080a3587fd42b2b018f66f9edc636519f6ecb14bb68bb3d60413db63e43d862c
[INFO] running `Command { std: "docker" "start" "-a" "080a3587fd42b2b018f66f9edc636519f6ecb14bb68bb3d60413db63e43d862c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking vegas-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `state::StateConstructors`
[INFO] [stdout]  --> src/vegas/integrator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use state::StateConstructors;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state::StateConstructors`
[INFO] [stdout]  --> src/vegas/integrator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use state::StateConstructors;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Locator`
[INFO] [stdout]    --> src/vegas/lattice.rs:367:8
[INFO] [stdout]     |
[INFO] [stdout] 367 | struct Locator {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `locate`
[INFO] [stdout]    --> src/vegas/lattice.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn locate(&self, site: &Site) -> Option<(f64, f64, f64)> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `for_cubic`
[INFO] [stdout]    --> src/vegas/lattice.rs:396:12
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn for_cubic(a: f64) -> Locator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Locator`
[INFO] [stdout]    --> src/vegas/lattice.rs:367:8
[INFO] [stdout]     |
[INFO] [stdout] 367 | struct Locator {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `locate`
[INFO] [stdout]    --> src/vegas/lattice.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn locate(&self, site: &Site) -> Option<(f64, f64, f64)> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `for_cubic`
[INFO] [stdout]    --> src/vegas/lattice.rs:396:12
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn for_cubic(a: f64) -> Locator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "080a3587fd42b2b018f66f9edc636519f6ecb14bb68bb3d60413db63e43d862c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080a3587fd42b2b018f66f9edc636519f6ecb14bb68bb3d60413db63e43d862c", kill_on_drop: false }`
[INFO] [stdout] 080a3587fd42b2b018f66f9edc636519f6ecb14bb68bb3d60413db63e43d862c