[INFO] cloning repository https://github.com/peterhttps/Rust-Ray-Tracing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterhttps/Rust-Ray-Tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterhttps%2FRust-Ray-Tracing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterhttps%2FRust-Ray-Tracing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4e11f5b0afc4cb65fce217886508e358927a3770 [INFO] checking peterhttps/Rust-Ray-Tracing against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterhttps%2FRust-Ray-Tracing" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/peterhttps/Rust-Ray-Tracing on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/peterhttps/Rust-Ray-Tracing [INFO] finished tweaking git repo https://github.com/peterhttps/Rust-Ray-Tracing [INFO] tweaked toml for git repo https://github.com/peterhttps/Rust-Ray-Tracing written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/peterhttps/Rust-Ray-Tracing already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3686850478fb0b81401617dfce619bc92efc823a7fe5e832796a5c753596706b [INFO] running `Command { std: "docker" "start" "-a" "3686850478fb0b81401617dfce619bc92efc823a7fe5e832796a5c753596706b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3686850478fb0b81401617dfce619bc92efc823a7fe5e832796a5c753596706b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3686850478fb0b81401617dfce619bc92efc823a7fe5e832796a5c753596706b", kill_on_drop: false }` [INFO] [stdout] 3686850478fb0b81401617dfce619bc92efc823a7fe5e832796a5c753596706b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cf292b33e2528c73e24722c709886895909930d4f942c66e5b1224f4eeaa41e [INFO] running `Command { std: "docker" "start" "-a" "7cf292b33e2528c73e24722c709886895909930d4f942c66e5b1224f4eeaa41e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking console v0.14.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking alga v0.9.3 [INFO] [stderr] Checking nalgebra v0.18.1 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking ray_tracing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | for n in 0..samples_per_pixel { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reflect` is never used [INFO] [stdout] --> src/vector.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn reflect(dir: Matrix>, normal: Matrix>) -> Matrix src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | for n in 0..samples_per_pixel { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reflect` is never used [INFO] [stdout] --> src/vector.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn reflect(dir: Matrix>, normal: Matrix>) -> Matrix src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | for n in 0..samples_per_pixel { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reflect` is never used [INFO] [stdout] --> src/vector.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn reflect(dir: Matrix>, normal: Matrix>) -> Matrix src/main.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | for n in 0..samples_per_pixel { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reflect` is never used [INFO] [stdout] --> src/vector.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn reflect(dir: Matrix>, normal: Matrix>) -> Matrix