[INFO] cloning repository https://github.com/41Leahcim/chip_8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/41Leahcim/chip_8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F41Leahcim%2Fchip_8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F41Leahcim%2Fchip_8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a356ce3455bf2124064920126c774d377a7ec9f
[INFO] checking 41Leahcim/chip_8 against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F41Leahcim%2Fchip_8" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/41Leahcim/chip_8
[INFO] finished tweaking git repo https://github.com/41Leahcim/chip_8
[INFO] tweaked toml for git repo https://github.com/41Leahcim/chip_8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/41Leahcim/chip_8 on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/41Leahcim/chip_8 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fabe40c8d25d5170441e3ad630cbce77a0fdf11a778a606f60f757a3230a8629
[INFO] running `Command { std: "docker" "start" "-a" "fabe40c8d25d5170441e3ad630cbce77a0fdf11a778a606f60f757a3230a8629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fabe40c8d25d5170441e3ad630cbce77a0fdf11a778a606f60f757a3230a8629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabe40c8d25d5170441e3ad630cbce77a0fdf11a778a606f60f757a3230a8629", kill_on_drop: false }`
[INFO] [stdout] fabe40c8d25d5170441e3ad630cbce77a0fdf11a778a606f60f757a3230a8629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4135afb0bb3cade34ef0889ed46954d8cdd6d38c5d4940f93b830d3b09f0c57d
[INFO] running `Command { std: "docker" "start" "-a" "4135afb0bb3cade34ef0889ed46954d8cdd6d38c5d4940f93b830d3b09f0c57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling xml-rs v0.8.25
[INFO] [stderr]     Checking libloading v0.8.6
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling rustix v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.9.3
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking xcursor v0.3.8
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.6.2
[INFO] [stderr]    Compiling cc v1.2.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling minifb v0.28.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `vf` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut vf = false;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_vf` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 (*left, vf) = left.overflowing_add(right);
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 (*left, vf) = left.overflowing_sub(right);
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 (vf, *register) = (*register & 1 == 1, *register >> 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 `vf` is never read
[INFO] [stdout]    --> src/main.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 (*left, vf) = right.overflowing_sub(*left);
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 (vf, *register) = (*register & 0x80 == 0x80, *register << 1);
[INFO] [stdout]     |                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vf` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut vf = false;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_vf` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:100:25
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 (*left, vf) = left.overflowing_add(right);
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 (*left, vf) = left.overflowing_sub(right);
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:109:18
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 (vf, *register) = (*register & 1 == 1, *register >> 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 `vf` is never read
[INFO] [stdout]    --> src/main.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 (*left, vf) = right.overflowing_sub(*left);
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vf` is never read
[INFO] [stdout]    --> src/main.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 (vf, *register) = (*register & 0x80 == 0x80, *register << 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 35.02s
[INFO] running `Command { std: "docker" "inspect" "4135afb0bb3cade34ef0889ed46954d8cdd6d38c5d4940f93b830d3b09f0c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4135afb0bb3cade34ef0889ed46954d8cdd6d38c5d4940f93b830d3b09f0c57d", kill_on_drop: false }`
[INFO] [stdout] 4135afb0bb3cade34ef0889ed46954d8cdd6d38c5d4940f93b830d3b09f0c57d
