[INFO] cloning repository https://github.com/jorendorff/tree-sitter-crasher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorendorff/tree-sitter-crasher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorendorff%2Ftree-sitter-crasher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorendorff%2Ftree-sitter-crasher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa9f8a260449f17c02d0e7c762b3a69497b1ddce
[INFO] checking jorendorff/tree-sitter-crasher against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorendorff%2Ftree-sitter-crasher" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jorendorff/tree-sitter-crasher on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jorendorff/tree-sitter-crasher
[INFO] finished tweaking git repo https://github.com/jorendorff/tree-sitter-crasher
[INFO] tweaked toml for git repo https://github.com/jorendorff/tree-sitter-crasher written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jorendorff/tree-sitter-crasher 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tree-sitter/tree-sitter-scala`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d14d2b965057a414d1eaf4a20a47d486a5549b68c4efd4a837235ad60c40da78
[INFO] running `Command { std: "docker" "start" "-a" "d14d2b965057a414d1eaf4a20a47d486a5549b68c4efd4a837235ad60c40da78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d14d2b965057a414d1eaf4a20a47d486a5549b68c4efd4a837235ad60c40da78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14d2b965057a414d1eaf4a20a47d486a5549b68c4efd4a837235ad60c40da78", kill_on_drop: false }`
[INFO] [stdout] d14d2b965057a414d1eaf4a20a47d486a5549b68c4efd4a837235ad60c40da78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6993a60089bfd2f4bedd6ea15c22edd19ba67e27e7c78ee297986b8fba95534
[INFO] running `Command { std: "docker" "start" "-a" "b6993a60089bfd2f4bedd6ea15c22edd19ba67e27e7c78ee297986b8fba95534", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling tree-sitter-scala v0.20.7 (https://github.com/tree-sitter/tree-sitter-scala?rev=32b400e380cdbcad9c44ae2690ace081b790c18e#32b400e3)
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking tree-sitter-crasher v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "b6993a60089bfd2f4bedd6ea15c22edd19ba67e27e7c78ee297986b8fba95534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6993a60089bfd2f4bedd6ea15c22edd19ba67e27e7c78ee297986b8fba95534", kill_on_drop: false }`
[INFO] [stdout] b6993a60089bfd2f4bedd6ea15c22edd19ba67e27e7c78ee297986b8fba95534