[INFO] cloning repository https://github.com/kgv/polars_ext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgv/polars_ext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgv%2Fpolars_ext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgv%2Fpolars_ext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b0e3e8d3ffe8f97866cc5128cdf937487b48796
[INFO] checking kgv/polars_ext against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgv%2Fpolars_ext" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgv/polars_ext on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kgv/polars_ext
[INFO] finished tweaking git repo https://github.com/kgv/polars_ext
[INFO] tweaked toml for git repo https://github.com/kgv/polars_ext written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kgv/polars_ext 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: failed to parse lock file at: /workspace/builds/worker-1-tc1/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   TOML parse error at line 503, column 1
[INFO] [stderr]       |
[INFO] [stderr]   503 | <<<<<<< Updated upstream
[INFO] [stderr]       | ^
[INFO] [stderr]   invalid key


command failed: exit status: 101

error: failed to parse lock file at: /workspace/builds/worker-1-tc1/source/Cargo.lock

Caused by:
  TOML parse error at line 503, column 1
      |
  503 | <<<<<<< Updated upstream
      | ^
  invalid key