[INFO] cloning repository https://github.com/comnik/declarative-dataflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comnik/declarative-dataflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dcc3c649c80faa43d145d8327a4b70d03bd8c17
[INFO] checking comnik/declarative-dataflow against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] [stderr] error: failed to select a version for `timely`.
[INFO] [stderr]     ... required by package `declarative-dataflow v0.2.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.29.0
[INFO] [stderr] 
[INFO] [stderr] package `declarative-dataflow` depends on `timely` with feature `bincode` but `timely` does not have that feature.
[INFO] [stderr] note: a required dependency with that name exists, but only optional dependencies can be used as features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `timely` which could resolve this conflict
[INFO] checking comnik/declarative-dataflow against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] [stderr] error: failed to select a version for `timely`.
[INFO] [stderr]     ... required by package `declarative-dataflow v0.2.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.29.0
[INFO] [stderr] 
[INFO] [stderr] package `declarative-dataflow` depends on `timely` with feature `bincode` but `timely` does not have that feature.
[INFO] [stderr] note: a required dependency with that name exists, but only optional dependencies can be used as features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `timely` which could resolve this conflict
[INFO] checking comnik/declarative-dataflow against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] [stderr] error: failed to select a version for `timely`.
[INFO] [stderr]     ... required by package `declarative-dataflow v0.2.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.29.0
[INFO] [stderr] 
[INFO] [stderr] package `declarative-dataflow` depends on `timely` with feature `bincode` but `timely` does not have that feature.
[INFO] [stderr] note: a required dependency with that name exists, but only optional dependencies can be used as features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `timely` which could resolve this conflict
[INFO] checking comnik/declarative-dataflow against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] [stderr] error: failed to select a version for `timely`.
[INFO] [stderr]     ... required by package `declarative-dataflow v0.2.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.29.0
[INFO] [stderr] 
[INFO] [stderr] package `declarative-dataflow` depends on `timely` with feature `bincode` but `timely` does not have that feature.
[INFO] [stderr] note: a required dependency with that name exists, but only optional dependencies can be used as features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `timely` which could resolve this conflict
[INFO] checking comnik/declarative-dataflow against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Fdeclarative-dataflow" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] finished tweaking git repo https://github.com/comnik/declarative-dataflow
[INFO] tweaked toml for git repo https://github.com/comnik/declarative-dataflow written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/comnik/declarative-dataflow on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
[INFO] [stderr]     Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
[INFO] [stderr] error: failed to select a version for `timely`.
[INFO] [stderr]     ... required by package `declarative-dataflow v0.2.0 (/workspace/builds/worker-5-tc2/source)`
[INFO] [stderr] versions that meet the requirements `*` are: 0.29.0
[INFO] [stderr] 
[INFO] [stderr] package `declarative-dataflow` depends on `timely` with feature `bincode` but `timely` does not have that feature.
[INFO] [stderr] note: a required dependency with that name exists, but only optional dependencies can be used as features.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `timely` 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
           Updating git repository `https://github.com/TimelyDataflow/differential-dataflow`
           Updating git repository `https://github.com/TimelyDataflow/timely-dataflow`
       error: failed to select a version for `timely`.
           ... required by package `declarative-dataflow v0.2.0 (/workspace/builds/worker-5-tc2/source)`
       versions that meet the requirements `*` are: 0.29.0
       
       package `declarative-dataflow` depends on `timely` with feature `bincode` but `timely` does not have that feature.
       note: a required dependency with that name exists, but only optional dependencies can be used as features.
       
       
       failed to select a version for `timely` which could resolve this conflict