[INFO] fetching crate mathl 0.0.2...
[INFO] checking mathl-0.0.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate mathl 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mathl 0.0.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathl 0.0.2
[INFO] finished tweaking crates.io crate mathl 0.0.2
[INFO] tweaked toml for crates.io crate mathl 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d6ab42513eb72b17a9d85b49efd7449f645edaac7ae4d6e15f8ee3e814502c0
[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" "4d6ab42513eb72b17a9d85b49efd7449f645edaac7ae4d6e15f8ee3e814502c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6ab42513eb72b17a9d85b49efd7449f645edaac7ae4d6e15f8ee3e814502c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6ab42513eb72b17a9d85b49efd7449f645edaac7ae4d6e15f8ee3e814502c0", kill_on_drop: false }`
[INFO] [stdout] 4d6ab42513eb72b17a9d85b49efd7449f645edaac7ae4d6e15f8ee3e814502c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675cf6aff7162e2b975074c00327c9de179247a2d97ca6e05e865031c8632d6b
[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" "675cf6aff7162e2b975074c00327c9de179247a2d97ca6e05e865031c8632d6b", kill_on_drop: false }`
[INFO] [stderr]     Checking mathl v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `vec2_zero`
[INFO] [stdout]  --> src/vec.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn vec2_zero() -> [f64; 2] {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec3_zero`
[INFO] [stdout]  --> src/vec.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn vec3_zero() -> [f64; 3] {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec4_zero`
[INFO] [stdout]   --> src/vec.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn vec4_zero() -> [f64; 4] {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mat2x2_zero`
[INFO] [stdout]  --> src/mat.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mat2x2_zero() -> [[f64; 2]; 2] {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lu_decomp`
[INFO] [stdout]  --> src/linear_algebra.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn lu_decomp() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linear_algebra`
[INFO] [stdout]  --> src/test/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use linear_algebra;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec2_zero`
[INFO] [stdout]  --> src/vec.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn vec2_zero() -> [f64; 2] {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec3_zero`
[INFO] [stdout]  --> src/vec.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn vec3_zero() -> [f64; 3] {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec4_zero`
[INFO] [stdout]   --> src/vec.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn vec4_zero() -> [f64; 4] {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lu_decomp`
[INFO] [stdout]  --> src/linear_algebra.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn lu_decomp() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "675cf6aff7162e2b975074c00327c9de179247a2d97ca6e05e865031c8632d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675cf6aff7162e2b975074c00327c9de179247a2d97ca6e05e865031c8632d6b", kill_on_drop: false }`
[INFO] [stdout] 675cf6aff7162e2b975074c00327c9de179247a2d97ca6e05e865031c8632d6b