[INFO] fetching crate mathl 0.0.2...
[INFO] checking mathl-0.0.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate mathl 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mathl 0.0.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c786c97e76f00ad1bced85b746580b9c0df52bd7c40c250851a60b9eda26550a
[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" "c786c97e76f00ad1bced85b746580b9c0df52bd7c40c250851a60b9eda26550a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c786c97e76f00ad1bced85b746580b9c0df52bd7c40c250851a60b9eda26550a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c786c97e76f00ad1bced85b746580b9c0df52bd7c40c250851a60b9eda26550a", kill_on_drop: false }`
[INFO] [stdout] c786c97e76f00ad1bced85b746580b9c0df52bd7c40c250851a60b9eda26550a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e979e2104ae2be642e94ac09278753c887e6355e25fd1c3945d88ffd6be47c
[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" "27e979e2104ae2be642e94ac09278753c887e6355e25fd1c3945d88ffd6be47c", kill_on_drop: false }`
[INFO] [stderr]     Checking mathl v0.0.2 (/opt/rustwide/workdir)
[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: 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: 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 0.17s
[INFO] running `Command { std: "docker" "inspect" "27e979e2104ae2be642e94ac09278753c887e6355e25fd1c3945d88ffd6be47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e979e2104ae2be642e94ac09278753c887e6355e25fd1c3945d88ffd6be47c", kill_on_drop: false }`
[INFO] [stdout] 27e979e2104ae2be642e94ac09278753c887e6355e25fd1c3945d88ffd6be47c