[INFO] cloning repository https://github.com/aaweaver-actuary/chess-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaweaver-actuary/chess-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaweaver-actuary%2Fchess-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaweaver-actuary%2Fchess-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ee0407fee28c5455720cac05f78da35b8d1c4a8
[INFO] checking aaweaver-actuary/chess-training against master#b3f8586fb1e4859678d6b231e780ff81801d2282 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaweaver-actuary%2Fchess-training" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  80% (6218/7738)
Updating files:  81% (6268/7738)
Updating files:  82% (6346/7738)
Updating files:  83% (6423/7738)
Updating files:  84% (6500/7738)
Updating files:  85% (6578/7738)
Updating files:  86% (6655/7738)
Updating files:  87% (6733/7738)
Updating files:  88% (6810/7738)
Updating files:  89% (6887/7738)
Updating files:  90% (6965/7738)
Updating files:  91% (7042/7738)
Updating files:  92% (7119/7738)
Updating files:  93% (7197/7738)
Updating files:  94% (7274/7738)
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Updating files:  96% (7429/7738)
Updating files:  97% (7506/7738)
Updating files:  98% (7584/7738)
Updating files:  99% (7661/7738)
Updating files: 100% (7738/7738)
Updating files: 100% (7738/7738), done.
[INFO] started tweaking git repo https://github.com/aaweaver-actuary/chess-training
[INFO] finished tweaking git repo https://github.com/aaweaver-actuary/chess-training
[INFO] tweaked toml for git repo https://github.com/aaweaver-actuary/chess-training written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aaweaver-actuary/chess-training on toolchain b3f8586fb1e4859678d6b231e780ff81801d2282
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aaweaver-actuary/chess-training 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" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: cyclic feature dependency: feature `serde` depends on itself


command failed: exit status: 101

error: cyclic feature dependency: feature `serde` depends on itself