[INFO] cloning repository https://github.com/patatahooligan/rust-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/patatahooligan/rust-chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatatahooligan%2Frust-chip-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatatahooligan%2Frust-chip-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9d57287b8015169c88ec720ffd6cb5ed11c9349 [INFO] checking patatahooligan/rust-chip-8 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatatahooligan%2Frust-chip-8" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/patatahooligan/rust-chip-8 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/patatahooligan/rust-chip-8 [INFO] finished tweaking git repo https://github.com/patatahooligan/rust-chip-8 [INFO] tweaked toml for git repo https://github.com/patatahooligan/rust-chip-8 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/patatahooligan/rust-chip-8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a40cf4d1b26267d2bf272d06e456f27a827152c4e19d237594a037d10962194 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2a40cf4d1b26267d2bf272d06e456f27a827152c4e19d237594a037d10962194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a40cf4d1b26267d2bf272d06e456f27a827152c4e19d237594a037d10962194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a40cf4d1b26267d2bf272d06e456f27a827152c4e19d237594a037d10962194", kill_on_drop: false }` [INFO] [stdout] 2a40cf4d1b26267d2bf272d06e456f27a827152c4e19d237594a037d10962194 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa64e6b29b6b33fee11168717fefd53250cfbc438c08daf6e6b6c253ce2ca9bf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fa64e6b29b6b33fee11168717fefd53250cfbc438c08daf6e6b6c253ce2ca9bf", kill_on_drop: false }` [INFO] [stderr] Checking rust_chip_8 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `stack` [INFO] [stdout] --> src/lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | stack: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `stack` [INFO] [stdout] --> src/lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | stack: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "fa64e6b29b6b33fee11168717fefd53250cfbc438c08daf6e6b6c253ce2ca9bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa64e6b29b6b33fee11168717fefd53250cfbc438c08daf6e6b6c253ce2ca9bf", kill_on_drop: false }` [INFO] [stdout] fa64e6b29b6b33fee11168717fefd53250cfbc438c08daf6e6b6c253ce2ca9bf