[INFO] cloning repository https://github.com/yedpodtrzitko/rustmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yedpodtrzitko/rustmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyedpodtrzitko%2Frustmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyedpodtrzitko%2Frustmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f28d9521a05adaaec931d6aaacd4b05e42d68840
[INFO] checking yedpodtrzitko/rustmarks against master#12f35ad39ed3e39df4d953c46d4f6cc6c82adc96 for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyedpodtrzitko%2Frustmarks" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yedpodtrzitko/rustmarks
[INFO] finished tweaking git repo https://github.com/yedpodtrzitko/rustmarks
[INFO] tweaked toml for git repo https://github.com/yedpodtrzitko/rustmarks written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yedpodtrzitko/rustmarks on toolchain 12f35ad39ed3e39df4d953c46d4f6cc6c82adc96
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yedpodtrzitko/rustmarks 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" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "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 `serde`.
[INFO] [stderr]     ... required by package `rustmarks v0.1.1 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^1.0.228` (locked to 1.0.228) are: 1.0.228
[INFO] [stderr] 
[INFO] [stderr] package `rustmarks` depends on `serde` with feature `aderive` but `serde` does not have that feature.
[INFO] [stderr] help: there is a feature `derive` with a similar name
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `serde` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
       error: failed to select a version for `serde`.
           ... required by package `rustmarks v0.1.1 (/workspace/builds/worker-1-tc1/source)`
       versions that meet the requirements `^1.0.228` (locked to 1.0.228) are: 1.0.228
       
       package `rustmarks` depends on `serde` with feature `aderive` but `serde` does not have that feature.
       help: there is a feature `derive` with a similar name
       
       
       failed to select a version for `serde` which could resolve this conflict