[INFO] cloning repository https://github.com/rlokc/raytracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rlokc/raytracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlokc%2Fraytracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlokc%2Fraytracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5558a398601725162c13d5c9a1b1c83a97c24ea
[INFO] checking rlokc/raytracer-challenge against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frlokc%2Fraytracer-challenge" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rlokc/raytracer-challenge
[INFO] finished tweaking git repo https://github.com/rlokc/raytracer-challenge
[INFO] tweaked toml for git repo https://github.com/rlokc/raytracer-challenge written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rlokc/raytracer-challenge on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rlokc/raytracer-challenge 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15c90d19c3515c55154859b4de527621ad616bc7dc93e21de8947495b29499b1
[INFO] running `Command { std: "docker" "start" "-a" "15c90d19c3515c55154859b4de527621ad616bc7dc93e21de8947495b29499b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c90d19c3515c55154859b4de527621ad616bc7dc93e21de8947495b29499b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c90d19c3515c55154859b4de527621ad616bc7dc93e21de8947495b29499b1", kill_on_drop: false }`
[INFO] [stdout] 15c90d19c3515c55154859b4de527621ad616bc7dc93e21de8947495b29499b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef4d93059f714def1c06494018f87c5df984e213782fcbe6c41fc0bb2ca6a35
[INFO] running `Command { std: "docker" "start" "-a" "0ef4d93059f714def1c06494018f87c5df984e213782fcbe6c41fc0bb2ca6a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut pixels = Vec::with_capacity(height.try_into().unwrap());
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut row = Vec::with_capacity(width.try_into().unwrap());
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.pixels[0].len().try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.pixels.len().try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let y: usize = y.try_into().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let x: usize = x.try_into().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracer` (lib test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut pixels = Vec::with_capacity(height.try_into().unwrap());
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut row = Vec::with_capacity(width.try_into().unwrap());
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.pixels[0].len().try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.pixels.len().try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let y: usize = y.try_into().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/canvas.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let x: usize = x.try_into().unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracer` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ef4d93059f714def1c06494018f87c5df984e213782fcbe6c41fc0bb2ca6a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef4d93059f714def1c06494018f87c5df984e213782fcbe6c41fc0bb2ca6a35", kill_on_drop: false }`
[INFO] [stdout] 0ef4d93059f714def1c06494018f87c5df984e213782fcbe6c41fc0bb2ca6a35