[INFO] updating cached repository https://github.com/Akshay-Srivatsan/basic-raytracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c95b3d80004034508f8ecb14ecfe7d9c9eda76b6
[INFO] checking Akshay-Srivatsan/basic-raytracer against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshay-Srivatsan%2Fbasic-raytracer" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Akshay-Srivatsan/basic-raytracer on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Akshay-Srivatsan/basic-raytracer
[INFO] finished tweaking git repo https://github.com/Akshay-Srivatsan/basic-raytracer
[INFO] tweaked toml for git repo https://github.com/Akshay-Srivatsan/basic-raytracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Akshay-Srivatsan/basic-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 890173ab338a581c429147e7060413c33d872ae77b45233843a45ec3925791ed
[INFO] running `"docker" "start" "-a" "890173ab338a581c429147e7060413c33d872ae77b45233843a45ec3925791ed"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking basic-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:152:22
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let shapes: Vec<&Shape> = vec![&sphere];
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:183:46
[INFO] [stderr]     |
[INFO] [stderr] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `current_closest` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_current_closest` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_closest` is never read
[INFO] [stderr]    --> src/main.rs:190:25
[INFO] [stderr]     |
[INFO] [stderr] 190 |                         current_closest = Some(shape);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: constant `width` should have an upper case name
[INFO] [stderr]    --> src/main.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |     const width: u32 = 640;
[INFO] [stderr]     |           ^^^^^ help: convert the identifier to upper case: `WIDTH`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `height` should have an upper case name
[INFO] [stderr]    --> src/main.rs:156:11
[INFO] [stderr]     |
[INFO] [stderr] 156 |     const height: u32 = 480;
[INFO] [stderr]     |           ^^^^^^ help: convert the identifier to upper case: `HEIGHT`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `array_size` should have an upper case name
[INFO] [stderr]    --> src/main.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |     const array_size: usize = (width * height * 4) as usize;
[INFO] [stderr]     |           ^^^^^^^^^^ help: convert the identifier to upper case: `ARRAY_SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:152:22
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let shapes: Vec<&Shape> = vec![&sphere];
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:183:46
[INFO] [stderr]     |
[INFO] [stderr] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `current_closest` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_current_closest` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_closest` is never read
[INFO] [stderr]    --> src/main.rs:190:25
[INFO] [stderr]     |
[INFO] [stderr] 190 |                         current_closest = Some(shape);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: constant `width` should have an upper case name
[INFO] [stderr]    --> src/main.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |     const width: u32 = 640;
[INFO] [stderr]     |           ^^^^^ help: convert the identifier to upper case: `WIDTH`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `height` should have an upper case name
[INFO] [stderr]    --> src/main.rs:156:11
[INFO] [stderr]     |
[INFO] [stderr] 156 |     const height: u32 = 480;
[INFO] [stderr]     |           ^^^^^^ help: convert the identifier to upper case: `HEIGHT`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `array_size` should have an upper case name
[INFO] [stderr]    --> src/main.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |     const array_size: usize = (width * height * 4) as usize;
[INFO] [stderr]     |           ^^^^^^^^^^ help: convert the identifier to upper case: `ARRAY_SIZE`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `"docker" "inspect" "890173ab338a581c429147e7060413c33d872ae77b45233843a45ec3925791ed"`
[INFO] running `"docker" "rm" "-f" "890173ab338a581c429147e7060413c33d872ae77b45233843a45ec3925791ed"`
[INFO] [stdout] 890173ab338a581c429147e7060413c33d872ae77b45233843a45ec3925791ed