[INFO] fetching crate vegas-rs 0.1.0...
[INFO] checking vegas-rs-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate vegas-rs 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vegas-rs 0.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ba1dbe6fb5569a1b06309bc66da7807e2db43cd250e3bb1d0d5201080bbec8
[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" "28ba1dbe6fb5569a1b06309bc66da7807e2db43cd250e3bb1d0d5201080bbec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ba1dbe6fb5569a1b06309bc66da7807e2db43cd250e3bb1d0d5201080bbec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ba1dbe6fb5569a1b06309bc66da7807e2db43cd250e3bb1d0d5201080bbec8", kill_on_drop: false }`
[INFO] [stdout] 28ba1dbe6fb5569a1b06309bc66da7807e2db43cd250e3bb1d0d5201080bbec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f8b385e4afdf04365784e15b1c138821d45b39cade9befa2066b45991173d0
[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" "66f8b385e4afdf04365784e15b1c138821d45b39cade9befa2066b45991173d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[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 2.62s
[INFO] running `Command { std: "docker" "inspect" "66f8b385e4afdf04365784e15b1c138821d45b39cade9befa2066b45991173d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f8b385e4afdf04365784e15b1c138821d45b39cade9befa2066b45991173d0", kill_on_drop: false }`
[INFO] [stdout] 66f8b385e4afdf04365784e15b1c138821d45b39cade9befa2066b45991173d0