[INFO] cloning repository https://github.com/TmLev/ray-tracer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TmLev/ray-tracer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmLev%2Fray-tracer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmLev%2Fray-tracer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba2cd223c01ad1e15d9d8b9ddcc8bf890a3c07e
[INFO] checking TmLev/ray-tracer-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmLev%2Fray-tracer-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TmLev/ray-tracer-rust 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/TmLev/ray-tracer-rust
[INFO] finished tweaking git repo https://github.com/TmLev/ray-tracer-rust
[INFO] tweaked toml for git repo https://github.com/TmLev/ray-tracer-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TmLev/ray-tracer-rust 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.5.0
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5167832cbca60b43a267b529cd2cce9f367849a8503aa5e70a5cc3f821d647dd
[INFO] running `Command { std: "docker" "start" "-a" "5167832cbca60b43a267b529cd2cce9f367849a8503aa5e70a5cc3f821d647dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5167832cbca60b43a267b529cd2cce9f367849a8503aa5e70a5cc3f821d647dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5167832cbca60b43a267b529cd2cce9f367849a8503aa5e70a5cc3f821d647dd", kill_on_drop: false }`
[INFO] [stdout] 5167832cbca60b43a267b529cd2cce9f367849a8503aa5e70a5cc3f821d647dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e7e4fe57d646ea9c92b3dfaed8ed4752dcfd0aea00ef702549be5865e33f019d
[INFO] running `Command { std: "docker" "start" "-a" "e7e4fe57d646ea9c92b3dfaed8ed4752dcfd0aea00ef702549be5865e33f019d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Camera {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     w: Vec3,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Camera {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     w: Vec3,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "e7e4fe57d646ea9c92b3dfaed8ed4752dcfd0aea00ef702549be5865e33f019d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e4fe57d646ea9c92b3dfaed8ed4752dcfd0aea00ef702549be5865e33f019d", kill_on_drop: false }`
[INFO] [stdout] e7e4fe57d646ea9c92b3dfaed8ed4752dcfd0aea00ef702549be5865e33f019d
[INFO] checking TmLev/ray-tracer-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTmLev%2Fray-tracer-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TmLev/ray-tracer-rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TmLev/ray-tracer-rust
[INFO] finished tweaking git repo https://github.com/TmLev/ray-tracer-rust
[INFO] tweaked toml for git repo https://github.com/TmLev/ray-tracer-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TmLev/ray-tracer-rust 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20fda36d9f04b33a5351a1796bb2f4267fa3538f68eb6dddca270dee4ca5da19
[INFO] running `Command { std: "docker" "start" "-a" "20fda36d9f04b33a5351a1796bb2f4267fa3538f68eb6dddca270dee4ca5da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20fda36d9f04b33a5351a1796bb2f4267fa3538f68eb6dddca270dee4ca5da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fda36d9f04b33a5351a1796bb2f4267fa3538f68eb6dddca270dee4ca5da19", kill_on_drop: false }`
[INFO] [stdout] 20fda36d9f04b33a5351a1796bb2f4267fa3538f68eb6dddca270dee4ca5da19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 849d173713dc1fd72155e5117355d6049e748f55c4045a2e0df8eeabf792e0ec
[INFO] running `Command { std: "docker" "start" "-a" "849d173713dc1fd72155e5117355d6049e748f55c4045a2e0df8eeabf792e0ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Camera {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     w: Vec3,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]  --> src/camera.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Camera {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     w: Vec3,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "849d173713dc1fd72155e5117355d6049e748f55c4045a2e0df8eeabf792e0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849d173713dc1fd72155e5117355d6049e748f55c4045a2e0df8eeabf792e0ec", kill_on_drop: false }`
[INFO] [stdout] 849d173713dc1fd72155e5117355d6049e748f55c4045a2e0df8eeabf792e0ec