[INFO] fetching crate block-db 0.1.0...
[INFO] building block-db-0.1.0 against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] extracting crate block-db 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate block-db 0.1.0 on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block-db 0.1.0
[INFO] finished tweaking crates.io crate block-db 0.1.0
[INFO] tweaked toml for crates.io crate block-db 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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 46 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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 the requirement `walr = "^0.1.6"` (locked to 0.1.6)
[INFO] [stderr] candidate versions found which didn't match: 0.1.5, 0.1.4, 0.1.3
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `block-db v0.1.0 (/workspace/builds/worker-3-tc1/source)`


ExecutionFailed(ExitStatus(unix_wait_status(25856)))