[INFO] cloning repository https://github.com/njunxuan/tp-kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njunxuan/tp-kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13c2c337ff46dc2e0d1a44b7bdd26c149d27e72c
[INFO] checking njunxuan/tp-kvs against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] finished tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] tweaked toml for git repo https://github.com/njunxuan/tp-kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/njunxuan/tp-kvs on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "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" "+011c518242557d21690f7936b5812318dc2fec47" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.11.1 (available: v2.2.2)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.4)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.22)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.2)
[INFO] [stderr]       Adding sled v0.29.2 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: Cargo.toml: can't find `engine_comparison` bench at `benches/engine_comparison.rs` or `benches/engine_comparison/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] [stderr] error: could not parse `kvs` (manifest) due to 1 previous error
[INFO] checking njunxuan/tp-kvs against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] finished tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] tweaked toml for git repo https://github.com/njunxuan/tp-kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/njunxuan/tp-kvs on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "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" "+011c518242557d21690f7936b5812318dc2fec47" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.11.1 (available: v2.2.2)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.4)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.22)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.2)
[INFO] [stderr]       Adding sled v0.29.2 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: Cargo.toml: can't find `engine_comparison` bench at `benches/engine_comparison.rs` or `benches/engine_comparison/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] [stderr] error: could not parse `kvs` (manifest) due to 1 previous error
[INFO] checking njunxuan/tp-kvs against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] finished tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] tweaked toml for git repo https://github.com/njunxuan/tp-kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/njunxuan/tp-kvs on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "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" "+011c518242557d21690f7936b5812318dc2fec47" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.11.1 (available: v2.2.2)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.4)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.22)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.2)
[INFO] [stderr]       Adding sled v0.29.2 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: Cargo.toml: can't find `engine_comparison` bench at `benches/engine_comparison.rs` or `benches/engine_comparison/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] [stderr] error: could not parse `kvs` (manifest) due to 1 previous error
[INFO] checking njunxuan/tp-kvs against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] finished tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] tweaked toml for git repo https://github.com/njunxuan/tp-kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/njunxuan/tp-kvs on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "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" "+011c518242557d21690f7936b5812318dc2fec47" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.11.1 (available: v2.2.2)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.4)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.22)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.2)
[INFO] [stderr]       Adding sled v0.29.2 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: Cargo.toml: can't find `engine_comparison` bench at `benches/engine_comparison.rs` or `benches/engine_comparison/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] [stderr] error: could not parse `kvs` (manifest) due to 1 previous error
[INFO] checking njunxuan/tp-kvs against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjunxuan%2Ftp-kvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] finished tweaking git repo https://github.com/njunxuan/tp-kvs
[INFO] tweaked toml for git repo https://github.com/njunxuan/tp-kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/njunxuan/tp-kvs on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "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" "+011c518242557d21690f7936b5812318dc2fec47" "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]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.11.1 (available: v2.2.2)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.4)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.22)
[INFO] [stderr]       Adding predicates v1.0.8 (available: v3.1.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.2)
[INFO] [stderr]       Adding sled v0.29.2 (available: v0.34.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: Cargo.toml: can't find `engine_comparison` bench at `benches/engine_comparison.rs` or `benches/engine_comparison/main.rs`. Please specify bench.path if you want to use a non-default path.
[INFO] [stderr] error: could not parse `kvs` (manifest) due to 1 previous error


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
       error: Cargo.toml: can't find `engine_comparison` bench at `benches/engine_comparison.rs` or `benches/engine_comparison/main.rs`. Please specify bench.path if you want to use a non-default path.
       error: could not parse `kvs` (manifest) due to 1 previous error