[INFO] cloning repository https://github.com/rubyazz/rust-api-gateway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rubyazz/rust-api-gateway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubyazz%2Frust-api-gateway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubyazz%2Frust-api-gateway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 059dc5a2a2df1d0addc6d5e2bc56c9ac8876bc61
[INFO] checking rubyazz/rust-api-gateway against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubyazz%2Frust-api-gateway" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rubyazz/rust-api-gateway
[INFO] finished tweaking git repo https://github.com/rubyazz/rust-api-gateway
[INFO] tweaked toml for git repo https://github.com/rubyazz/rust-api-gateway written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rubyazz/rust-api-gateway on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rubyazz/rust-api-gateway 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `rocket_contrib = "^0.5.0"`
[INFO] [stderr] candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rust-api-gateway v0.1.0 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     rocket_contrib = { version = "0.4.0-rc.2" }


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for the requirement `rocket_contrib = "^0.5.0"`
candidate versions found which didn't match: 0.4.11, 0.4.10, 0.4.9, ...
location searched: crates.io index
required by package `rust-api-gateway v0.1.0 (/workspace/builds/worker-6-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    rocket_contrib = { version = "0.4.0-rc.2" }