[INFO] cloning repository https://github.com/2vg/sympho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2vg/sympho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f99e276378fe6b8587fa449fca5a0224b140027
[INFO] checking 2vg/sympho against master#30662530506ed29ea29191798cb2ab8aa1249023 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2vg/sympho on toolchain 30662530506ed29ea29191798cb2ab8aa1249023
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30662530506ed29ea29191798cb2ab8aa1249023" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2vg/sympho
[INFO] finished tweaking git repo https://github.com/2vg/sympho
[INFO] tweaked toml for git repo https://github.com/2vg/sympho written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30662530506ed29ea29191798cb2ab8aa1249023" "generate-lockfile" "--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]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/songbird`
[INFO] [stderr]     Updating git repository `https://github.com/2vg/valve-server-query`
[INFO] [stderr] error: failed to select a version for `songbird`.
[INFO] [stderr]     ... required by package `sympho v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0
[INFO] [stderr] 
[INFO] [stderr] the package `sympho` depends on `songbird`, with features: `driver-core` but `songbird` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `songbird` 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.
[INFO] checking 2vg/sympho against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2vg/sympho on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2vg/sympho
[INFO] finished tweaking git repo https://github.com/2vg/sympho
[INFO] tweaked toml for git repo https://github.com/2vg/sympho written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/songbird`
[INFO] [stderr]     Updating git repository `https://github.com/2vg/valve-server-query`
[INFO] [stderr] error: failed to select a version for `songbird`.
[INFO] [stderr]     ... required by package `sympho v0.1.0 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0
[INFO] [stderr] 
[INFO] [stderr] the package `sympho` depends on `songbird`, with features: `driver-core` but `songbird` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `songbird` which could resolve this conflict
[INFO] checking 2vg/sympho against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2vg/sympho on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2vg/sympho
[INFO] finished tweaking git repo https://github.com/2vg/sympho
[INFO] tweaked toml for git repo https://github.com/2vg/sympho written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/songbird`
[INFO] [stderr]     Updating git repository `https://github.com/2vg/valve-server-query`
[INFO] [stderr] error: failed to select a version for `songbird`.
[INFO] [stderr]     ... required by package `sympho v0.1.0 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0
[INFO] [stderr] 
[INFO] [stderr] the package `sympho` depends on `songbird`, with features: `driver-core` but `songbird` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `songbird` which could resolve this conflict
[INFO] checking 2vg/sympho against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2vg/sympho on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2vg/sympho
[INFO] finished tweaking git repo https://github.com/2vg/sympho
[INFO] tweaked toml for git repo https://github.com/2vg/sympho written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/songbird`
[INFO] [stderr]     Updating git repository `https://github.com/2vg/valve-server-query`
[INFO] [stderr] error: failed to select a version for `songbird`.
[INFO] [stderr]     ... required by package `sympho v0.1.0 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0
[INFO] [stderr] 
[INFO] [stderr] the package `sympho` depends on `songbird`, with features: `driver-core` but `songbird` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `songbird` which could resolve this conflict
[INFO] checking 2vg/sympho against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2vg/sympho on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2vg/sympho
[INFO] finished tweaking git repo https://github.com/2vg/sympho
[INFO] tweaked toml for git repo https://github.com/2vg/sympho written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/songbird`
[INFO] [stderr]     Updating git repository `https://github.com/2vg/valve-server-query`
[INFO] [stderr] error: failed to select a version for `songbird`.
[INFO] [stderr]     ... required by package `sympho v0.1.0 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0
[INFO] [stderr] 
[INFO] [stderr] the package `sympho` depends on `songbird`, with features: `driver-core` but `songbird` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `songbird` which could resolve this conflict
[INFO] checking 2vg/sympho against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2vg%2Fsympho" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2vg/sympho on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2vg/sympho
[INFO] finished tweaking git repo https://github.com/2vg/sympho
[INFO] tweaked toml for git repo https://github.com/2vg/sympho written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/songbird`
[INFO] [stderr]     Updating git repository `https://github.com/2vg/valve-server-query`
[INFO] [stderr] error: failed to select a version for `songbird`.
[INFO] [stderr]     ... required by package `sympho v0.1.0 (/workspace/builds/worker-1-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.4.0
[INFO] [stderr] 
[INFO] [stderr] the package `sympho` depends on `songbird`, with features: `driver-core` but `songbird` does not have these features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `songbird` 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.