[INFO] fetching crate tree-sitter-ruby 0.17.0...
[INFO] checking tree-sitter-ruby-0.17.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate tree-sitter-ruby 0.17.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tree-sitter-ruby 0.17.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-sitter-ruby 0.17.0
[INFO] finished tweaking crates.io crate tree-sitter-ruby 0.17.0
[INFO] tweaked toml for crates.io crate tree-sitter-ruby 0.17.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tree-sitter v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b67dfd48ac4b1b126dff5890234f9d57e58a28bbaee2e4502bdccfd52e8da0fe
[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" "b67dfd48ac4b1b126dff5890234f9d57e58a28bbaee2e4502bdccfd52e8da0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b67dfd48ac4b1b126dff5890234f9d57e58a28bbaee2e4502bdccfd52e8da0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67dfd48ac4b1b126dff5890234f9d57e58a28bbaee2e4502bdccfd52e8da0fe", kill_on_drop: false }`
[INFO] [stdout] b67dfd48ac4b1b126dff5890234f9d57e58a28bbaee2e4502bdccfd52e8da0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ad38ba05a2f1f92d295aee152e0140df660c42a6829141f81e7cf3eb6ceb60a
[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" "9ad38ba05a2f1f92d295aee152e0140df660c42a6829141f81e7cf3eb6ceb60a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling tree-sitter v0.17.1
[INFO] [stderr]    Compiling tree-sitter-ruby v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr] warning: src/scanner.cc: In member function 'bool {anonymous}::Scanner::scan_open_delimiter(TSLexer*, {anonymous}::Literal&, const bool*)':
[INFO] [stderr] warning: src/scanner.cc:482:13: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:   482 |             if (valid_symbols[FORWARD_SLASH]) return false;
[INFO] [stderr] warning:       |             ^~
[INFO] [stderr] warning: src/scanner.cc:484:11: note: here
[INFO] [stderr] warning:   484 |           case '|':
[INFO] [stderr] warning:       |           ^~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "9ad38ba05a2f1f92d295aee152e0140df660c42a6829141f81e7cf3eb6ceb60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad38ba05a2f1f92d295aee152e0140df660c42a6829141f81e7cf3eb6ceb60a", kill_on_drop: false }`
[INFO] [stdout] 9ad38ba05a2f1f92d295aee152e0140df660c42a6829141f81e7cf3eb6ceb60a