[INFO] fetching crate tree-sitter-ruby 0.17.0...
[INFO] checking tree-sitter-ruby-0.17.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate tree-sitter-ruby 0.17.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tree-sitter-ruby 0.17.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ab5930a7f99b65b3987339dca08f63971f8e5ea2262e0171b01a2471c90dd2
[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" "51ab5930a7f99b65b3987339dca08f63971f8e5ea2262e0171b01a2471c90dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ab5930a7f99b65b3987339dca08f63971f8e5ea2262e0171b01a2471c90dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ab5930a7f99b65b3987339dca08f63971f8e5ea2262e0171b01a2471c90dd2", kill_on_drop: false }`
[INFO] [stdout] 51ab5930a7f99b65b3987339dca08f63971f8e5ea2262e0171b01a2471c90dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f67c2bb62329360102bcfd72c11f8a7e155c65117725f8cf345cff99df484dbc
[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" "f67c2bb62329360102bcfd72c11f8a7e155c65117725f8cf345cff99df484dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-sitter v0.17.1
[INFO] [stderr]    Compiling tree-sitter-ruby v0.17.0 (/opt/rustwide/workdir)
[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 3.48s
[INFO] running `Command { std: "docker" "inspect" "f67c2bb62329360102bcfd72c11f8a7e155c65117725f8cf345cff99df484dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67c2bb62329360102bcfd72c11f8a7e155c65117725f8cf345cff99df484dbc", kill_on_drop: false }`
[INFO] [stdout] f67c2bb62329360102bcfd72c11f8a7e155c65117725f8cf345cff99df484dbc