[INFO] cloning repository https://github.com/lex148/gumbo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lex148/gumbo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flex148%2Fgumbo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flex148%2Fgumbo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac1105de749c186b5fc13f62f8dedff8f6453352
[INFO] checking lex148/gumbo against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flex148%2Fgumbo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lex148/gumbo on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lex148/gumbo
[INFO] finished tweaking git repo https://github.com/lex148/gumbo
[INFO] tweaked toml for git repo https://github.com/lex148/gumbo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lex148/gumbo 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "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 `welds-macros = "^0.4.8"` (locked to 0.4.8)
[INFO] [stderr] candidate versions found which didn't match: 0.1.7, 0.1.6, 0.1.5, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `welds v0.4.8`
[INFO] [stderr]     ... which satisfies dependency `welds = "^0.4"` (locked to 0.4.8) of package `gumbo v0.1.14 (/workspace/builds/worker-2-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 `welds-macros = "^0.4.8"` (locked to 0.4.8)
candidate versions found which didn't match: 0.1.7, 0.1.6, 0.1.5, ...
location searched: crates.io index
required by package `welds v0.4.8`
    ... which satisfies dependency `welds = "^0.4"` (locked to 0.4.8) of package `gumbo v0.1.14 (/workspace/builds/worker-2-tc1/source)`