[INFO] cloning repository https://github.com/NoahGav/llkraft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoahGav/llkraft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahGav%2Fllkraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahGav%2Fllkraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80f20645bbfade4d617b1bf9a595ecf50ba319df
[INFO] building NoahGav/llkraft against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahGav%2Fllkraft" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoahGav/llkraft on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/NoahGav/llkraft
[INFO] finished tweaking git repo https://github.com/NoahGav/llkraft
[INFO] tweaked toml for git repo https://github.com/NoahGav/llkraft written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NoahGav/llkraft 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0616ce64f41c13bc3c9f5811a093ab429ecb5f6d3cd2f7f9466c99ea14e8ce26
[INFO] running `Command { std: "docker" "start" "-a" "0616ce64f41c13bc3c9f5811a093ab429ecb5f6d3cd2f7f9466c99ea14e8ce26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0616ce64f41c13bc3c9f5811a093ab429ecb5f6d3cd2f7f9466c99ea14e8ce26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0616ce64f41c13bc3c9f5811a093ab429ecb5f6d3cd2f7f9466c99ea14e8ce26", kill_on_drop: false }`
[INFO] [stdout] 0616ce64f41c13bc3c9f5811a093ab429ecb5f6d3cd2f7f9466c99ea14e8ce26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f935eee30a5736dc98a6a6633d03ebb725991d5ae95f14574e3f1c6e38a98e84
[INFO] running `Command { std: "docker" "start" "-a" "f935eee30a5736dc98a6a6633d03ebb725991d5ae95f14574e3f1c6e38a98e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling by_address v1.1.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling llkraft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `generate` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn generate(tree: &GrammarTree, root: NodeIndex, code: &mut String, depth: usize) {
[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 2.70s
[INFO] running `Command { std: "docker" "inspect" "f935eee30a5736dc98a6a6633d03ebb725991d5ae95f14574e3f1c6e38a98e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f935eee30a5736dc98a6a6633d03ebb725991d5ae95f14574e3f1c6e38a98e84", kill_on_drop: false }`
[INFO] [stdout] f935eee30a5736dc98a6a6633d03ebb725991d5ae95f14574e3f1c6e38a98e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 712edfee8f28ed32a6dcc428576741be5fd8cfb1d8e2409d0fd2a8386ad04da1
[INFO] running `Command { std: "docker" "start" "-a" "712edfee8f28ed32a6dcc428576741be5fd8cfb1d8e2409d0fd2a8386ad04da1", kill_on_drop: false }`
[INFO] [stderr]    Compiling llkraft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `generate` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn generate(tree: &GrammarTree, root: NodeIndex, code: &mut String, depth: usize) {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "712edfee8f28ed32a6dcc428576741be5fd8cfb1d8e2409d0fd2a8386ad04da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712edfee8f28ed32a6dcc428576741be5fd8cfb1d8e2409d0fd2a8386ad04da1", kill_on_drop: false }`
[INFO] [stdout] 712edfee8f28ed32a6dcc428576741be5fd8cfb1d8e2409d0fd2a8386ad04da1