[INFO] fetching crate bcat 0.1.4...
[INFO] checking bcat-0.1.4 against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] extracting crate bcat 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bcat 0.1.4 on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcat 0.1.4
[INFO] finished tweaking crates.io crate bcat 0.1.4
[INFO] tweaked toml for crates.io crate bcat 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate bcat 0.1.4 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" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "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 `use = "^0.0.0"` (locked to 0.0.0)
[INFO] [stderr] candidate versions found which didn't match: 0.0.1-pre.0
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `bcat v0.1.4 (/workspace/builds/worker-3-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     use = { version = "0.0.1-pre.0" }


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 `use = "^0.0.0"` (locked to 0.0.0)
candidate versions found which didn't match: 0.0.1-pre.0
location searched: crates.io index
required by package `bcat v0.1.4 (/workspace/builds/worker-3-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    use = { version = "0.0.1-pre.0" }