[INFO] cloning repository https://github.com/Wouterdek/tinydxt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wouterdek/tinydxt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWouterdek%2Ftinydxt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWouterdek%2Ftinydxt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47598be63842d6241bf54f8f5838934ad112f235
[INFO] checking Wouterdek/tinydxt 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%2FWouterdek%2Ftinydxt" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wouterdek/tinydxt
[INFO] finished tweaking git repo https://github.com/Wouterdek/tinydxt
[INFO] tweaked toml for git repo https://github.com/Wouterdek/tinydxt written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wouterdek/tinydxt 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/Wouterdek/tinydxt 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] [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 397d56c406dd98465b59ca9b1f91be5ef545a1defecee4f16ca2a6c95aecc783
[INFO] running `Command { std: "docker" "start" "-a" "397d56c406dd98465b59ca9b1f91be5ef545a1defecee4f16ca2a6c95aecc783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397d56c406dd98465b59ca9b1f91be5ef545a1defecee4f16ca2a6c95aecc783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397d56c406dd98465b59ca9b1f91be5ef545a1defecee4f16ca2a6c95aecc783", kill_on_drop: false }`
[INFO] [stdout] 397d56c406dd98465b59ca9b1f91be5ef545a1defecee4f16ca2a6c95aecc783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 17333eaa5dae4ade795f4e445c12b0599c5ad4699136c8eeb132a299b848f6d3
[INFO] running `Command { std: "docker" "start" "-a" "17333eaa5dae4ade795f4e445c12b0599c5ad4699136c8eeb132a299b848f6d3", kill_on_drop: false }`
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking tinydxt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/main.rs:78:47
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn decompress_pixel(img: &[u8], width: usize, height: usize, x: usize, y: usize) -> u8 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/main.rs:78:47
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn decompress_pixel(img: &[u8], width: usize, height: usize, x: usize, y: usize) -> u8 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "17333eaa5dae4ade795f4e445c12b0599c5ad4699136c8eeb132a299b848f6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17333eaa5dae4ade795f4e445c12b0599c5ad4699136c8eeb132a299b848f6d3", kill_on_drop: false }`
[INFO] [stdout] 17333eaa5dae4ade795f4e445c12b0599c5ad4699136c8eeb132a299b848f6d3