[INFO] cloning repository https://github.com/Ryan-Ardito/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryan-Ardito/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-Ardito%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-Ardito%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97ad1dad561110cc17c7361e83ffb4ea9d8200ca
[INFO] checking Ryan-Ardito/raytracer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-Ardito%2Fraytracer" "/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/Ryan-Ardito/raytracer 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/Ryan-Ardito/raytracer
[INFO] finished tweaking git repo https://github.com/Ryan-Ardito/raytracer
[INFO] tweaked toml for git repo https://github.com/Ryan-Ardito/raytracer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan-Ardito/raytracer 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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Ryan-Ardito/raytracer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-Ardito%2Fraytracer" "/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/Ryan-Ardito/raytracer on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryan-Ardito/raytracer
[INFO] finished tweaking git repo https://github.com/Ryan-Ardito/raytracer
[INFO] tweaked toml for git repo https://github.com/Ryan-Ardito/raytracer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan-Ardito/raytracer 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15822783ca39e500ee7e123b91fd626536e4416af82b3cfa10a96f13a6262bb6
[INFO] running `Command { std: "docker" "start" "-a" "15822783ca39e500ee7e123b91fd626536e4416af82b3cfa10a96f13a6262bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15822783ca39e500ee7e123b91fd626536e4416af82b3cfa10a96f13a6262bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15822783ca39e500ee7e123b91fd626536e4416af82b3cfa10a96f13a6262bb6", kill_on_drop: false }`
[INFO] [stdout] 15822783ca39e500ee7e123b91fd626536e4416af82b3cfa10a96f13a6262bb6
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b70072fe99e6029d532f2ba06cba1ce2d5bdfa68e8c9fe046606aa2aaa303104
[INFO] running `Command { std: "docker" "start" "-a" "b70072fe99e6029d532f2ba06cba1ce2d5bdfa68e8c9fe046606aa2aaa303104", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `aspect_ratio`, `viewport_height`, `viewport_width`, and `focal_length` are never read
[INFO] [stdout]  --> src/camera.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub aspect_ratio: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 6 |     pub viewport_height: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     pub viewport_width: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub focal_length: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aspect_ratio`, `viewport_height`, `viewport_width`, and `focal_length` are never read
[INFO] [stdout]  --> src/camera.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub aspect_ratio: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 6 |     pub viewport_height: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     pub viewport_width: f64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     pub focal_length: f64,
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "b70072fe99e6029d532f2ba06cba1ce2d5bdfa68e8c9fe046606aa2aaa303104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70072fe99e6029d532f2ba06cba1ce2d5bdfa68e8c9fe046606aa2aaa303104", kill_on_drop: false }`
[INFO] [stdout] b70072fe99e6029d532f2ba06cba1ce2d5bdfa68e8c9fe046606aa2aaa303104