[INFO] cloning repository https://github.com/RagnarGrootKoerkamp/amplicon-clustering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RagnarGrootKoerkamp/amplicon-clustering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnarGrootKoerkamp%2Famplicon-clustering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnarGrootKoerkamp%2Famplicon-clustering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 640bbab07c3eefce31ed155d29716441220bae32
[INFO] checking RagnarGrootKoerkamp/amplicon-clustering against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRagnarGrootKoerkamp%2Famplicon-clustering" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RagnarGrootKoerkamp/amplicon-clustering
[INFO] finished tweaking git repo https://github.com/RagnarGrootKoerkamp/amplicon-clustering
[INFO] tweaked toml for git repo https://github.com/RagnarGrootKoerkamp/amplicon-clustering written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RagnarGrootKoerkamp/amplicon-clustering on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RagnarGrootKoerkamp/amplicon-clustering 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ragnargrootkoerkamp/astar-pairwise-aligner`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/ragnargrootkoerkamp/sassy`
[INFO] [stderr]     Updating git repository `https://github.com/pairwise-alignment/pa-types`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/pairwise-alignment/pa-generate`
[INFO] [stderr] error: failed to select a version for `memchr`.
[INFO] [stderr]     ... required by package `sassy v0.2.3 (https://github.com/ragnargrootkoerkamp/sassy#c80e598f)`
[INFO] [stderr]     ... which satisfies git dependency `sassy` of package `aplicon-clustering v0.1.0 (/workspace/builds/worker-7-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^2.8.1` are: 2.8.1
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `memchr v2.7.6`
[INFO] [stderr]     ... which satisfies dependency `memchr = "^2.7.2"` (locked to 2.7.6) of package `needletail v0.6.3`
[INFO] [stderr]     ... which satisfies dependency `needletail = "^0.6.3"` (locked to 0.6.3) of package `aplicon-clustering v0.1.0 (/workspace/builds/worker-7-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `memchr` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating git repository `https://github.com/ragnargrootkoerkamp/astar-pairwise-aligner`
           Updating crates.io index
           Updating git repository `https://github.com/ragnargrootkoerkamp/sassy`
           Updating git repository `https://github.com/pairwise-alignment/pa-types`
           Updating crates.io index
           Updating git repository `https://github.com/pairwise-alignment/pa-generate`
       error: failed to select a version for `memchr`.
           ... required by package `sassy v0.2.3 (https://github.com/ragnargrootkoerkamp/sassy#c80e598f)`
           ... which satisfies git dependency `sassy` of package `aplicon-clustering v0.1.0 (/workspace/builds/worker-7-tc1/source)`
       versions that meet the requirements `^2.8.1` are: 2.8.1
       
       all possible versions conflict with previously selected packages
       
         previously selected package `memchr v2.7.6`
           ... which satisfies dependency `memchr = "^2.7.2"` (locked to 2.7.6) of package `needletail v0.6.3`
           ... which satisfies dependency `needletail = "^0.6.3"` (locked to 0.6.3) of package `aplicon-clustering v0.1.0 (/workspace/builds/worker-7-tc1/source)`
       
       failed to select a version for `memchr` which could resolve this conflict