[INFO] cloning repository https://github.com/ricaprof/Zoo_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ricaprof/Zoo_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricaprof%2FZoo_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricaprof%2FZoo_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03ef2dd8c7fca8a7f65051df061307447bd27400
[INFO] checking ricaprof/Zoo_rust against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricaprof%2FZoo_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ricaprof/Zoo_rust
[INFO] finished tweaking git repo https://github.com/ricaprof/Zoo_rust
[INFO] tweaked toml for git repo https://github.com/ricaprof/Zoo_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ricaprof/Zoo_rust on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ricaprof/Zoo_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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "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 `serde_json = "^1.0.210"`
[INFO] [stderr] candidate versions found which didn't match: 1.0.145, 1.0.144, 1.0.143, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rust_teste v0.1.0 (/workspace/builds/worker-0-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     serde_json = { version = "0.9.0-rc3" }


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for the requirement `serde_json = "^1.0.210"`
candidate versions found which didn't match: 1.0.145, 1.0.144, 1.0.143, ...
location searched: crates.io index
required by package `rust_teste v0.1.0 (/workspace/builds/worker-0-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    serde_json = { version = "0.9.0-rc3" }