[INFO] cloning repository https://github.com/loaden/rust-flutter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loaden/rust-flutter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floaden%2Frust-flutter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floaden%2Frust-flutter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0b280935a7c505b4658ac9e72b9a362270c905f
[INFO] checking loaden/rust-flutter against master#c871d09d1cc32a649f4c5177bb819646260ed120 for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floaden%2Frust-flutter" "/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/loaden/rust-flutter
[INFO] finished tweaking git repo https://github.com/loaden/rust-flutter
[INFO] tweaked toml for git repo https://github.com/loaden/rust-flutter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/loaden/rust-flutter on toolchain c871d09d1cc32a649f4c5177bb819646260ed120
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/loaden/rust-flutter 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" "+c871d09d1cc32a649f4c5177bb819646260ed120" "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 `iced = "^0.14.0"`
[INFO] [stderr] candidate versions found which didn't match: 0.13.1, 0.13.0, 0.12.1, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `e30-iced v0.1.0 (/workspace/builds/worker-6-tc1/source/rust/e30-iced)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     iced = { version = "0.1.0-beta" }


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 `iced = "^0.14.0"`
candidate versions found which didn't match: 0.13.1, 0.13.0, 0.12.1, ...
location searched: crates.io index
required by package `e30-iced v0.1.0 (/workspace/builds/worker-6-tc1/source/rust/e30-iced)`
if you are looking for the prerelease package it needs to be specified explicitly
    iced = { version = "0.1.0-beta" }