[INFO] cloning repository https://github.com/Xoulomon/Scavenger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xoulomon/Scavenger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXoulomon%2FScavenger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXoulomon%2FScavenger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c04ba907bdf4d1dd68f50612075109faf692050
[INFO] checking Xoulomon/Scavenger against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXoulomon%2FScavenger" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Xoulomon/Scavenger
[INFO] finished tweaking git repo https://github.com/Xoulomon/Scavenger
[INFO] tweaked toml for git repo https://github.com/Xoulomon/Scavenger written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xoulomon/Scavenger on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `lettre`.
[INFO] [stderr]     ... required by package `scavenger-backend v0.1.0 (/workspace/builds/worker-4-tc1/source/backend)`
[INFO] [stderr] versions that meet the requirements `^0.11` are: 0.11.21, 0.11.20, 0.11.19, 0.11.18, 0.11.17, 0.11.16, 0.11.15, 0.11.14, 0.11.13, 0.11.12, 0.11.11, 0.11.10, 0.11.9, 0.11.8, 0.11.7, 0.11.6, 0.11.5, 0.11.4, 0.11.3, 0.11.2, 0.11.1, 0.11.0
[INFO] [stderr] 
[INFO] [stderr] package `scavenger-backend` depends on `lettre` with feature `smtp` but `lettre` does not have that feature.
[INFO] [stderr] help: available features: async-std1, async-std1-rustls-tls, boring-tls, builder, default, dkim, file-transport, file-transport-envelope, hostname, mime03, native-tls, pool, rustls-native-certs, rustls-tls, sendmail-transport, serde, smtp-transport, tokio1, tokio1-boring-tls, tokio1-native-tls, tokio1-rustls-tls, tracing
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `lettre` 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 crates.io index
       error: failed to select a version for `lettre`.
           ... required by package `scavenger-backend v0.1.0 (/workspace/builds/worker-4-tc1/source/backend)`
       versions that meet the requirements `^0.11` are: 0.11.21, 0.11.20, 0.11.19, 0.11.18, 0.11.17, 0.11.16, 0.11.15, 0.11.14, 0.11.13, 0.11.12, 0.11.11, 0.11.10, 0.11.9, 0.11.8, 0.11.7, 0.11.6, 0.11.5, 0.11.4, 0.11.3, 0.11.2, 0.11.1, 0.11.0
       
       package `scavenger-backend` depends on `lettre` with feature `smtp` but `lettre` does not have that feature.
       help: available features: async-std1, async-std1-rustls-tls, boring-tls, builder, default, dkim, file-transport, file-transport-envelope, hostname, mime03, native-tls, pool, rustls-native-certs, rustls-tls, sendmail-transport, serde, smtp-transport, tokio1, tokio1-boring-tls, tokio1-native-tls, tokio1-rustls-tls, tracing
       
       
       failed to select a version for `lettre` which could resolve this conflict