[INFO] cloning repository https://github.com/Akshay-Srivatsan/basic-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akshay-Srivatsan/basic-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshay-Srivatsan%2Fbasic-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshay-Srivatsan%2Fbasic-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c95b3d80004034508f8ecb14ecfe7d9c9eda76b6
[INFO] checking Akshay-Srivatsan/basic-raytracer against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkshay-Srivatsan%2Fbasic-raytracer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Akshay-Srivatsan/basic-raytracer on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ccb1a2672ed4b6ae6000e5371c0319dbec130c1e3919de60747a013be6c8828
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ccb1a2672ed4b6ae6000e5371c0319dbec130c1e3919de60747a013be6c8828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ccb1a2672ed4b6ae6000e5371c0319dbec130c1e3919de60747a013be6c8828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccb1a2672ed4b6ae6000e5371c0319dbec130c1e3919de60747a013be6c8828", kill_on_drop: false }`
[INFO] [stdout] 0ccb1a2672ed4b6ae6000e5371c0319dbec130c1e3919de60747a013be6c8828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fbbb21be41b022e272b16a7f1df15090207f52be228714e0b98ec9fafe0b59f
[INFO] running `Command { std: "docker" "start" "-a" "7fbbb21be41b022e272b16a7f1df15090207f52be228714e0b98ec9fafe0b59f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking inflate v0.3.4
[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 deflate v0.7.20
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking basic-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:152:22
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let shapes: Vec<&Shape> = vec![&sphere];
[INFO] [stdout]     |                      ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:183:46
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stdout]     |                                              ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `current_closest` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_current_closest` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_closest` is never read
[INFO] [stdout]    --> src/main.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                         current_closest = Some(shape);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `width` should have an upper case name
[INFO] [stdout]    --> src/main.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 |     const width: u32 = 640;
[INFO] [stdout]     |           ^^^^^ help: convert the identifier to upper case: `WIDTH`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `height` should have an upper case name
[INFO] [stdout]    --> src/main.rs:156:11
[INFO] [stdout]     |
[INFO] [stdout] 156 |     const height: u32 = 480;
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `HEIGHT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `array_size` should have an upper case name
[INFO] [stdout]    --> src/main.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |     const array_size: usize = (width * height * 4) as usize;
[INFO] [stdout]     |           ^^^^^^^^^^ help: convert the identifier to upper case: `ARRAY_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:152:22
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let shapes: Vec<&Shape> = vec![&sphere];
[INFO] [stdout]     |                      ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:183:46
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stdout]     |                                              ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `current_closest` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let mut current_closest: Option<&Shape> = None;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_current_closest` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_closest` is never read
[INFO] [stdout]    --> src/main.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                         current_closest = Some(shape);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `width` should have an upper case name
[INFO] [stdout]    --> src/main.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 |     const width: u32 = 640;
[INFO] [stdout]     |           ^^^^^ help: convert the identifier to upper case: `WIDTH`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `height` should have an upper case name
[INFO] [stdout]    --> src/main.rs:156:11
[INFO] [stdout]     |
[INFO] [stdout] 156 |     const height: u32 = 480;
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `HEIGHT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `array_size` should have an upper case name
[INFO] [stdout]    --> src/main.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |     const array_size: usize = (width * height * 4) as usize;
[INFO] [stdout]     |           ^^^^^^^^^^ help: convert the identifier to upper case: `ARRAY_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.39s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fbbb21be41b022e272b16a7f1df15090207f52be228714e0b98ec9fafe0b59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbbb21be41b022e272b16a7f1df15090207f52be228714e0b98ec9fafe0b59f", kill_on_drop: false }`
[INFO] [stdout] 7fbbb21be41b022e272b16a7f1df15090207f52be228714e0b98ec9fafe0b59f