[INFO] cloning repository https://github.com/woodgear/voxel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/voxel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fvoxel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fvoxel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a72c2e74d814e25e87437d212290462b28eca91a
[INFO] checking woodgear/voxel against master#e0ba2d038db3afa968e13075b1d6eabd24339708 for pr-112988-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fvoxel" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/voxel on toolchain e0ba2d038db3afa968e13075b1d6eabd24339708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e0ba2d038db3afa968e13075b1d6eabd24339708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woodgear/voxel
[INFO] finished tweaking git repo https://github.com/woodgear/voxel
[INFO] tweaked toml for git repo https://github.com/woodgear/voxel written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/woodgear/voxel 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" "+e0ba2d038db3afa968e13075b1d6eabd24339708" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded floatconv v0.2.8
[INFO] [stderr]   Downloaded anyhow v1.0.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+e0ba2d038db3afa968e13075b1d6eabd24339708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf3c5c99ca3e6d9cb2bdcc585c878337ebc02710e1893c265a2d6f5b08058c5
[INFO] running `Command { std: "docker" "start" "-a" "edf3c5c99ca3e6d9cb2bdcc585c878337ebc02710e1893c265a2d6f5b08058c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf3c5c99ca3e6d9cb2bdcc585c878337ebc02710e1893c265a2d6f5b08058c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf3c5c99ca3e6d9cb2bdcc585c878337ebc02710e1893c265a2d6f5b08058c5", kill_on_drop: false }`
[INFO] [stdout] edf3c5c99ca3e6d9cb2bdcc585c878337ebc02710e1893c265a2d6f5b08058c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+e0ba2d038db3afa968e13075b1d6eabd24339708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd15bda9335e3b140c12791f56c77f3419d2f7590ea9a83295ab5b6e058ecd36
[INFO] running `Command { std: "docker" "start" "-a" "bd15bda9335e3b140c12791f56c77f3419d2f7590ea9a83295ab5b6e058ecd36", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking floatconv v0.2.8
[INFO] [stderr]     Checking voxel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn do_cube(x: u32, y: u32, z: u32) -> Result<(), anyhow::Error> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn do_cube(x: u32, y: u32, z: u32) -> Result<(), anyhow::Error> {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn do_cube(x: u32, y: u32, z: u32) -> Result<(), anyhow::Error> {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn do_cube(x: u32, y: u32, z: u32) -> Result<(), anyhow::Error> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn do_cube(x: u32, y: u32, z: u32) -> Result<(), anyhow::Error> {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn do_cube(x: u32, y: u32, z: u32) -> Result<(), anyhow::Error> {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "bd15bda9335e3b140c12791f56c77f3419d2f7590ea9a83295ab5b6e058ecd36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd15bda9335e3b140c12791f56c77f3419d2f7590ea9a83295ab5b6e058ecd36", kill_on_drop: false }`
[INFO] [stdout] bd15bda9335e3b140c12791f56c77f3419d2f7590ea9a83295ab5b6e058ecd36