[INFO] cloning repository https://github.com/philippkeller/shell_doctest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philippkeller/shell_doctest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippkeller%2Fshell_doctest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippkeller%2Fshell_doctest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae6b64b4fb694c18dae90acabdc1bda2f4a1dd28
[INFO] checking philippkeller/shell_doctest against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilippkeller%2Fshell_doctest" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/philippkeller/shell_doctest
[INFO] finished tweaking git repo https://github.com/philippkeller/shell_doctest
[INFO] tweaked toml for git repo https://github.com/philippkeller/shell_doctest written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/philippkeller/shell_doctest on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/philippkeller/shell_doctest 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating git repository `https://github.com/philippkeller/rexpect`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `libc`.
[INFO] [stderr]     ... required by package `tempfile v3.0.2`
[INFO] [stderr]     ... which satisfies dependency `tempfile = "^3"` of package `rexpect v0.7.1 (https://github.com/philippkeller/rexpect#d20e67b6)`
[INFO] [stderr]     ... which satisfies git dependency `rexpect` of package `shell_doctest v0.1.0 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.27` (locked to 0.2.31) are: 0.2.31
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `libc v0.2.180`
[INFO] [stderr]     ... which satisfies dependency `libc = "=0.2.180"` of package `nix v0.31.0`
[INFO] [stderr]     ... which satisfies dependency `nix = "^0.31"` of package `rexpect v0.7.1 (https://github.com/philippkeller/rexpect#d20e67b6)`
[INFO] [stderr]     ... which satisfies git dependency `rexpect` of package `shell_doctest v0.1.0 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libc` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
       warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
           Updating git repository `https://github.com/philippkeller/rexpect`
           Updating crates.io index
       error: failed to select a version for `libc`.
           ... required by package `tempfile v3.0.2`
           ... which satisfies dependency `tempfile = "^3"` of package `rexpect v0.7.1 (https://github.com/philippkeller/rexpect#d20e67b6)`
           ... which satisfies git dependency `rexpect` of package `shell_doctest v0.1.0 (/workspace/builds/worker-0-tc1/source)`
       versions that meet the requirements `^0.2.27` (locked to 0.2.31) are: 0.2.31
       
       all possible versions conflict with previously selected packages
       
         previously selected package `libc v0.2.180`
           ... which satisfies dependency `libc = "=0.2.180"` of package `nix v0.31.0`
           ... which satisfies dependency `nix = "^0.31"` of package `rexpect v0.7.1 (https://github.com/philippkeller/rexpect#d20e67b6)`
           ... which satisfies git dependency `rexpect` of package `shell_doctest v0.1.0 (/workspace/builds/worker-0-tc1/source)`
       
       failed to select a version for `libc` which could resolve this conflict