[INFO] cloning repository https://github.com/scrabsha/rustc-array-lint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scrabsha/rustc-array-lint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrabsha%2Frustc-array-lint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrabsha%2Frustc-array-lint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd8cd9fdbc341604df9df41443dab751b0774863
[INFO] testing scrabsha/rustc-array-lint against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrabsha%2Frustc-array-lint" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scrabsha/rustc-array-lint on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scrabsha/rustc-array-lint
[INFO] finished tweaking git repo https://github.com/scrabsha/rustc-array-lint
[INFO] tweaked toml for git repo https://github.com/scrabsha/rustc-array-lint written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/scrabsha/rustc-array-lint already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16240da56c01f611ee7d2bda0f896c768550e106dbda7524495237adf4421e7a
[INFO] running `Command { std: "docker" "start" "-a" "16240da56c01f611ee7d2bda0f896c768550e106dbda7524495237adf4421e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16240da56c01f611ee7d2bda0f896c768550e106dbda7524495237adf4421e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16240da56c01f611ee7d2bda0f896c768550e106dbda7524495237adf4421e7a", kill_on_drop: false }`
[INFO] [stdout] 16240da56c01f611ee7d2bda0f896c768550e106dbda7524495237adf4421e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5610349674fa968e5adfc0ed83b60f18da044444cbbfb4e1001cc7f05867f4
[INFO] running `Command { std: "docker" "start" "-a" "8b5610349674fa968e5adfc0ed83b60f18da044444cbbfb4e1001cc7f05867f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-array-lint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this operation will panic at runtime
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     println!("{}", a[1]);
[INFO] [stdout]   |                    ^^^^ index out of bounds: the length is 1 but the index is 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(unconditional_panic)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-array-lint` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8b5610349674fa968e5adfc0ed83b60f18da044444cbbfb4e1001cc7f05867f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5610349674fa968e5adfc0ed83b60f18da044444cbbfb4e1001cc7f05867f4", kill_on_drop: false }`
[INFO] [stdout] 8b5610349674fa968e5adfc0ed83b60f18da044444cbbfb4e1001cc7f05867f4