[INFO] cloning repository https://github.com/cxz888/lab-graphics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cxz888/lab-graphics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxz888%2Flab-graphics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxz888%2Flab-graphics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb83e36cccfd7be774deb375593ab86869ba0678
[INFO] checking cxz888/lab-graphics against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxz888%2Flab-graphics" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cxz888/lab-graphics
[INFO] finished tweaking git repo https://github.com/cxz888/lab-graphics
[INFO] tweaked toml for git repo https://github.com/cxz888/lab-graphics written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cxz888/lab-graphics on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cxz888/lab-graphics 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.24
[INFO] [stderr]   Downloaded futures v0.3.24
[INFO] [stderr]   Downloaded ctor v0.1.23
[INFO] [stderr]   Downloaded rgb v0.8.33
[INFO] [stderr]   Downloaded tobj v3.2.3
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded minifb v0.23.0
[INFO] [stderr]   Downloaded x11-dl v2.20.0
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded orbclient v0.3.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fabb56a99d5c78a2487f27503af9f5c63b323847eef19ef1ea7971158b168706
[INFO] running `Command { std: "docker" "start" "-a" "fabb56a99d5c78a2487f27503af9f5c63b323847eef19ef1ea7971158b168706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fabb56a99d5c78a2487f27503af9f5c63b323847eef19ef1ea7971158b168706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabb56a99d5c78a2487f27503af9f5c63b323847eef19ef1ea7971158b168706", kill_on_drop: false }`
[INFO] [stdout] fabb56a99d5c78a2487f27503af9f5c63b323847eef19ef1ea7971158b168706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdfadb4cb53946b10b5e5d43b290ac69ed48ce34ed653a1e10937c44c6b62731
[INFO] running `Command { std: "docker" "start" "-a" "cdfadb4cb53946b10b5e5d43b290ac69ed48ce34ed653a1e10937c44c6b62731", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling minifb v0.23.0
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking glam v0.22.0
[INFO] [stderr]     Checking rgb v0.8.33
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking tobj v3.2.3
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking lab-graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 | ...                   x0 -= 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 | ...                   x0 += 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 | ...                   y0 -= 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:265:29
[INFO] [stdout]     |
[INFO] [stdout] 265 | ...                   y0 += 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         x0 -= 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:298:25
[INFO] [stdout]     |
[INFO] [stdout] 298 |                         x0 += 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:329:25
[INFO] [stdout]     |
[INFO] [stdout] 329 |                         y0 -= 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |                         y0 += 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 | ...                   x0 -= 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:239:29
[INFO] [stdout]     |
[INFO] [stdout] 239 | ...                   x0 += 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 | ...                   y0 -= 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:265:29
[INFO] [stdout]     |
[INFO] [stdout] 265 | ...                   y0 += 1;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         x0 -= 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:298:25
[INFO] [stdout]     |
[INFO] [stdout] 298 |                         x0 += 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:329:25
[INFO] [stdout]     |
[INFO] [stdout] 329 |                         y0 -= 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y0` is never read
[INFO] [stdout]    --> src/rasterizer.rs:325:25
[INFO] [stdout]     |
[INFO] [stdout] 325 |                         y0 += 1;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.58s
[INFO] running `Command { std: "docker" "inspect" "cdfadb4cb53946b10b5e5d43b290ac69ed48ce34ed653a1e10937c44c6b62731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfadb4cb53946b10b5e5d43b290ac69ed48ce34ed653a1e10937c44c6b62731", kill_on_drop: false }`
[INFO] [stdout] cdfadb4cb53946b10b5e5d43b290ac69ed48ce34ed653a1e10937c44c6b62731
