[INFO] cloning repository https://github.com/prajwal-deepsource/demo-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajwal-deepsource/demo-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwal-deepsource%2Fdemo-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwal-deepsource%2Fdemo-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 767b6951408e220e97856e8531e35fcd47b5f435
[INFO] testing prajwal-deepsource/demo-rust against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwal-deepsource%2Fdemo-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/prajwal-deepsource/demo-rust
[INFO] finished tweaking git repo https://github.com/prajwal-deepsource/demo-rust
[INFO] tweaked toml for git repo https://github.com/prajwal-deepsource/demo-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prajwal-deepsource/demo-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/prajwal-deepsource/demo-rust 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `regex = "<1.5.5"` (locked to 1.5.4)
[INFO] [stderr] candidate versions found which didn't match: 0.1.37, 0.1.36, 0.1.35, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `demo-rust v0.1.0 (/workspace/builds/worker-5-tc1/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for the requirement `regex = "<1.5.5"` (locked to 1.5.4)
candidate versions found which didn't match: 0.1.37, 0.1.36, 0.1.35, ...
location searched: crates.io index
required by package `demo-rust v0.1.0 (/workspace/builds/worker-5-tc1/source)`