[INFO] cloning repository https://github.com/briannippert/ColorFinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/briannippert/ColorFinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbriannippert%2FColorFinder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbriannippert%2FColorFinder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c399f940657b85c92df3ed54262d7ddde5c63ba2
[INFO] checking briannippert/ColorFinder against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbriannippert%2FColorFinder" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/briannippert/ColorFinder
[INFO] finished tweaking git repo https://github.com/briannippert/ColorFinder
[INFO] tweaked toml for git repo https://github.com/briannippert/ColorFinder written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/briannippert/ColorFinder on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/briannippert/ColorFinder 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e36489633c55ac59a91a20ee90c20389ca411aeb6c07d89283e31d11a5319e8f
[INFO] running `Command { std: "docker" "start" "-a" "e36489633c55ac59a91a20ee90c20389ca411aeb6c07d89283e31d11a5319e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e36489633c55ac59a91a20ee90c20389ca411aeb6c07d89283e31d11a5319e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36489633c55ac59a91a20ee90c20389ca411aeb6c07d89283e31d11a5319e8f", kill_on_drop: false }`
[INFO] [stdout] e36489633c55ac59a91a20ee90c20389ca411aeb6c07d89283e31d11a5319e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf44c36b23732a30c28f69984e4e1d0280f0db563de2534a94f66f359671654a
[INFO] running `Command { std: "docker" "start" "-a" "bf44c36b23732a30c28f69984e4e1d0280f0db563de2534a94f66f359671654a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ColorLookup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `closest_color_YCbCr` should have a snake case name
[INFO] [stdout]   --> src/main.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut closest_color_YCbCr = ColorYCbCr { y: 0.0, cb: 0.0, cr: 0.0 };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `closest_color_ycb_cr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `closest_color_YCbCr` should have a snake case name
[INFO] [stdout]   --> src/main.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut closest_color_YCbCr = ColorYCbCr { y: 0.0, cb: 0.0, cr: 0.0 };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `closest_color_ycb_cr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "bf44c36b23732a30c28f69984e4e1d0280f0db563de2534a94f66f359671654a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf44c36b23732a30c28f69984e4e1d0280f0db563de2534a94f66f359671654a", kill_on_drop: false }`
[INFO] [stdout] bf44c36b23732a30c28f69984e4e1d0280f0db563de2534a94f66f359671654a