[INFO] cloning repository https://github.com/khanism/snes_image_encoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khanism/snes_image_encoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanism%2Fsnes_image_encoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanism%2Fsnes_image_encoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a24536457614feef253ff85fcf98f2055e114aef
[INFO] checking khanism/snes_image_encoder against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanism%2Fsnes_image_encoder" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khanism/snes_image_encoder on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khanism/snes_image_encoder
[INFO] finished tweaking git repo https://github.com/khanism/snes_image_encoder
[INFO] tweaked toml for git repo https://github.com/khanism/snes_image_encoder written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/khanism/snes_image_encoder 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c23c5e73b39fd9aa136a8643db21e148aba2148f1155ead55373b1129609a949
[INFO] running `Command { std: "docker" "start" "-a" "c23c5e73b39fd9aa136a8643db21e148aba2148f1155ead55373b1129609a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23c5e73b39fd9aa136a8643db21e148aba2148f1155ead55373b1129609a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23c5e73b39fd9aa136a8643db21e148aba2148f1155ead55373b1129609a949", kill_on_drop: false }`
[INFO] [stdout] c23c5e73b39fd9aa136a8643db21e148aba2148f1155ead55373b1129609a949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60a6d38ad53e5c1efe9aca5596f6eb4508100bea8e717269fd176bd3b33eafc
[INFO] running `Command { std: "docker" "start" "-a" "c60a6d38ad53e5c1efe9aca5596f6eb4508100bea8e717269fd176bd3b33eafc", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking snes_image_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `r`, `g`, and `b` are never used
[INFO] [stdout]   --> src/color_palletting.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait OpenFields{
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 8  |     fn r(&self) -> u8;
[INFO] [stdout]    |        ^
[INFO] [stdout] 9  |     fn g(&self) -> u8;
[INFO] [stdout]    |        ^
[INFO] [stdout] 10 |     fn b(&self) -> u8;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unset_LSBs` should have a snake case name
[INFO] [stdout]   --> src/color_palletting.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn unset_LSBs(u8_input: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `unset_lsbs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `r`, `g`, and `b` are never used
[INFO] [stdout]   --> src/color_palletting.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub trait OpenFields{
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 8  |     fn r(&self) -> u8;
[INFO] [stdout]    |        ^
[INFO] [stdout] 9  |     fn g(&self) -> u8;
[INFO] [stdout]    |        ^
[INFO] [stdout] 10 |     fn b(&self) -> u8;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unset_LSBs` should have a snake case name
[INFO] [stdout]   --> src/color_palletting.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn unset_LSBs(u8_input: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `unset_lsbs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c60a6d38ad53e5c1efe9aca5596f6eb4508100bea8e717269fd176bd3b33eafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60a6d38ad53e5c1efe9aca5596f6eb4508100bea8e717269fd176bd3b33eafc", kill_on_drop: false }`
[INFO] [stdout] c60a6d38ad53e5c1efe9aca5596f6eb4508100bea8e717269fd176bd3b33eafc