[INFO] cloning repository https://github.com/lewisgcm/amethyst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lewisgcm/amethyst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewisgcm%2Famethyst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewisgcm%2Famethyst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e0e0ebfb855616059295194f256974db1c7909f
[INFO] testing lewisgcm/amethyst against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flewisgcm%2Famethyst" "/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/lewisgcm/amethyst
[INFO] finished tweaking git repo https://github.com/lewisgcm/amethyst
[INFO] tweaked toml for git repo https://github.com/lewisgcm/amethyst written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lewisgcm/amethyst on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lewisgcm/amethyst 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/am/et/amethyst, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `winit = "^0.19"`
[INFO] [stderr] candidate versions found which didn't match: 0.8.1, 0.8.0, 0.7.6, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `amethyst v0.15.3`
[INFO] [stderr]     ... which satisfies dependency `amethyst = "^0.15.2"` of package `amethyst-starter-2d v0.2.0 (/workspace/builds/worker-0-tc1/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/am/et/amethyst, error: No space left on device (os error 28)
error: failed to select a version for the requirement `winit = "^0.19"`
candidate versions found which didn't match: 0.8.1, 0.8.0, 0.7.6, ...
location searched: crates.io index
required by package `amethyst v0.15.3`
    ... which satisfies dependency `amethyst = "^0.15.2"` of package `amethyst-starter-2d v0.2.0 (/workspace/builds/worker-0-tc1/source)`