[INFO] cloning repository https://github.com/Tristan1075/crawler_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tristan1075/crawler_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3867f8657382412be5f6b2b5222ceb77812a8b
[INFO] checking Tristan1075/crawler_rust against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tristan1075/crawler_rust
[INFO] finished tweaking git repo https://github.com/Tristan1075/crawler_rust
[INFO] tweaked toml for git repo https://github.com/Tristan1075/crawler_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tristan1075/crawler_rust on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tristan1075/crawler_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "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 `pin-utils`.
[INFO] [stderr]     ... required by package `futures-util v0.3.31`
[INFO] [stderr]     ... which satisfies dependency `futures-util = "^0.3.11"` of package `futures v0.3.11`
[INFO] [stderr]     ... which satisfies dependency `futures = "^0.3"` of package `gstd v1.0.2`
[INFO] [stderr]     ... which satisfies dependency `gstd = "^1"` of package `io v0.0.2`
[INFO] [stderr]     ... which satisfies dependency `io = "^0.0.2"` (locked to 0.0.2) of package `rust_crawler v0.1.0 (/workspace/builds/worker-5-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.1.0` are: 0.1.0
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `pin-utils v0.1.0-alpha.4`
[INFO] [stderr]     ... which satisfies dependency `pin-utils = "^0.1.0-alpha.4"` (locked to 0.1.0-alpha.4) of package `async-std v1.4.0`
[INFO] [stderr]     ... which satisfies dependency `async-std = "^1.2.0"` (locked to 1.4.0) of package `rust_crawler v0.1.0 (/workspace/builds/worker-5-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `pin-utils` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
       error: failed to select a version for `pin-utils`.
           ... required by package `futures-util v0.3.31`
           ... which satisfies dependency `futures-util = "^0.3.11"` of package `futures v0.3.11`
           ... which satisfies dependency `futures = "^0.3"` of package `gstd v1.0.2`
           ... which satisfies dependency `gstd = "^1"` of package `io v0.0.2`
           ... which satisfies dependency `io = "^0.0.2"` (locked to 0.0.2) of package `rust_crawler v0.1.0 (/workspace/builds/worker-5-tc1/source)`
       versions that meet the requirements `^0.1.0` are: 0.1.0
       
       all possible versions conflict with previously selected packages
       
         previously selected package `pin-utils v0.1.0-alpha.4`
           ... which satisfies dependency `pin-utils = "^0.1.0-alpha.4"` (locked to 0.1.0-alpha.4) of package `async-std v1.4.0`
           ... which satisfies dependency `async-std = "^1.2.0"` (locked to 1.4.0) of package `rust_crawler v0.1.0 (/workspace/builds/worker-5-tc1/source)`
       
       failed to select a version for `pin-utils` which could resolve this conflict