[INFO] cloning repository https://github.com/yz-dev21/card-flip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yz-dev21/card-flip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyz-dev21%2Fcard-flip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyz-dev21%2Fcard-flip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2db7941c32469ec5bd557e0a43c9343ff2130960
[INFO] checking yz-dev21/card-flip against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyz-dev21%2Fcard-flip" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yz-dev21/card-flip on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yz-dev21/card-flip
[INFO] finished tweaking git repo https://github.com/yz-dev21/card-flip
[INFO] tweaked toml for git repo https://github.com/yz-dev21/card-flip written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yz-dev21/card-flip 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2615a2a1c32c3dcd150025fb32df501812dc53814e029d1ffd14b894ff35085f
[INFO] running `Command { std: "docker" "start" "-a" "2615a2a1c32c3dcd150025fb32df501812dc53814e029d1ffd14b894ff35085f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2615a2a1c32c3dcd150025fb32df501812dc53814e029d1ffd14b894ff35085f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2615a2a1c32c3dcd150025fb32df501812dc53814e029d1ffd14b894ff35085f", kill_on_drop: false }`
[INFO] [stdout] 2615a2a1c32c3dcd150025fb32df501812dc53814e029d1ffd14b894ff35085f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e58d70461c283ae47a31dea4b1d8b0f8590c4cc57d8ee3f3890f3fd688fa9f9d
[INFO] running `Command { std: "docker" "start" "-a" "e58d70461c283ae47a31dea4b1d8b0f8590c4cc57d8ee3f3890f3fd688fa9f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.89
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling raylib-sys v3.7.0
[INFO] [stderr]     Checking raylib v3.7.0
[INFO] [stderr]     Checking card-flip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `toggle` is never read
[INFO] [stdout]  --> src/card.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Card {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub toggle: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toggle` is never read
[INFO] [stdout]  --> src/card.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Card {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub toggle: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.30s
[INFO] running `Command { std: "docker" "inspect" "e58d70461c283ae47a31dea4b1d8b0f8590c4cc57d8ee3f3890f3fd688fa9f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58d70461c283ae47a31dea4b1d8b0f8590c4cc57d8ee3f3890f3fd688fa9f9d", kill_on_drop: false }`
[INFO] [stdout] e58d70461c283ae47a31dea4b1d8b0f8590c4cc57d8ee3f3890f3fd688fa9f9d