[INFO] cloning repository https://github.com/felseg/rustracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felseg/rustracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelseg%2Frustracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelseg%2Frustracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e29f3fbcc4937e3d82eb35e297df6c21afce9f6f
[INFO] checking felseg/rustracer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelseg%2Frustracer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felseg/rustracer on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/felseg/rustracer
[INFO] finished tweaking git repo https://github.com/felseg/rustracer
[INFO] tweaked toml for git repo https://github.com/felseg/rustracer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/felseg/rustracer 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded gif v0.13.1
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] [stderr]   Downloaded exr v1.72.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a901943b2f81e96b3b97d496a61e5508e978dd7a40cca520ac8ec73178d2ab9
[INFO] running `Command { std: "docker" "start" "-a" "1a901943b2f81e96b3b97d496a61e5508e978dd7a40cca520ac8ec73178d2ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a901943b2f81e96b3b97d496a61e5508e978dd7a40cca520ac8ec73178d2ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a901943b2f81e96b3b97d496a61e5508e978dd7a40cca520ac8ec73178d2ab9", kill_on_drop: false }`
[INFO] [stdout] 1a901943b2f81e96b3b97d496a61e5508e978dd7a40cca520ac8ec73178d2ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f960351702032f6bc441a009da8b35400d474049fc0b0e5394bcf6f3e61cf1
[INFO] running `Command { std: "docker" "start" "-a" "82f960351702032f6bc441a009da8b35400d474049fc0b0e5394bcf6f3e61cf1", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking rustracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Light`
[INFO] [stdout]   --> src/main.rs:10:58
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::materials::Material::{Dielectric, Lambertian, Light, Metal};
[INFO] [stdout]    |                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unit_vector`
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | use vec3::{unit_vector, Vec3};
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Light`
[INFO] [stdout]   --> src/main.rs:10:58
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::materials::Material::{Dielectric, Lambertian, Light, Metal};
[INFO] [stdout]    |                                                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unit_vector`
[INFO] [stdout]   --> src/main.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | use vec3::{unit_vector, Vec3};
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Light` is never constructed
[INFO] [stdout]   --> src/materials.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Material {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Light(f64, f64, f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Material` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Light` is never constructed
[INFO] [stdout]   --> src/materials.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Material {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Light(f64, f64, f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Material` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "82f960351702032f6bc441a009da8b35400d474049fc0b0e5394bcf6f3e61cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f960351702032f6bc441a009da8b35400d474049fc0b0e5394bcf6f3e61cf1", kill_on_drop: false }`
[INFO] [stdout] 82f960351702032f6bc441a009da8b35400d474049fc0b0e5394bcf6f3e61cf1