[INFO] cloning repository https://github.com/cwlucas/substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwlucas/substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwlucas%2Fsubstrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwlucas%2Fsubstrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c85a43ad2c307743a853af29c1dbb39bbc1f9b4c
[INFO] documenting cwlucas/substrate against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwlucas%2Fsubstrate" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwlucas/substrate on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwlucas/substrate
[INFO] finished tweaking git repo https://github.com/cwlucas/substrate
[INFO] tweaked toml for git repo https://github.com/cwlucas/substrate written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cwlucas/substrate 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/encointer/substrate-fixed.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `byte-slice-cast`.
[INFO] [stderr]     ... required by package `parity-scale-codec v3.6.1`
[INFO] [stderr]     ... which satisfies dependency `codec = "^3.6.1"` of package `substrate-fixed v0.5.9 (https://github.com/encointer/substrate-fixed.git?branch=master#a75f3ba3)`
[INFO] [stderr]     ... which satisfies git dependency `substrate-fixed` of package `compounding-interest v3.0.0 (/workspace/builds/worker-4-tc1/source/pallets/compounding-interest)`
[INFO] [stderr]     ... which satisfies path dependency `compounding-interest` (locked to 3.0.0) of package `super-runtime v3.0.0 (/workspace/builds/worker-4-tc1/source/runtimes/super-runtime)`
[INFO] [stderr]     ... which satisfies path dependency `runtime` (locked to 3.0.0) of package `basic-pow v3.0.0 (/workspace/builds/worker-4-tc1/source/nodes/basic-pow)`
[INFO] [stderr] versions that meet the requirements `^1.2.2` are: 1.2.2
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `byte-slice-cast v1.0.0`
[INFO] [stderr]     ... which satisfies dependency `byte-slice-cast = "^1.0.0"` (locked to 1.0.0) of package `parity-scale-codec v2.0.1`
[INFO] [stderr]     ... which satisfies dependency `parity-scale-codec = "^2.0"` (locked to 2.0.1) of package `currency-imbalances v3.0.0 (/workspace/builds/worker-4-tc1/source/pallets/currency-imbalances)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `byte-slice-cast` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.