[INFO] cloning repository https://github.com/nature-lang/nls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nature-lang/nls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnature-lang%2Fnls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnature-lang%2Fnls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c790b92224b88bc2695e9202e00cfc700149f6a4
[INFO] testing nature-lang/nls against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnature-lang%2Fnls" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nature-lang/nls
[INFO] finished tweaking git repo https://github.com/nature-lang/nls
[INFO] tweaked toml for git repo https://github.com/nature-lang/nls written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nature-lang/nls on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nature-lang/nls 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: env
[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/an/yh/anyhow, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2.0"` (locked to 2.0.87)
[INFO] [stderr] candidate versions found which didn't match: 2.0.22, 2.0.21, 2.0.20, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `strum_macros v0.25.3`
[INFO] [stderr]     ... which satisfies dependency `strum_macros = "^0.25"` (locked to 0.25.3) of package `nls v0.1.0 (/workspace/builds/worker-7-tc1/source)`


command failed: exit status: 101

warning: unused manifest key: env
    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/an/yh/anyhow, error: No space left on device (os error 28)
error: failed to select a version for the requirement `syn = "^2.0"` (locked to 2.0.87)
candidate versions found which didn't match: 2.0.22, 2.0.21, 2.0.20, ...
location searched: crates.io index
required by package `strum_macros v0.25.3`
    ... which satisfies dependency `strum_macros = "^0.25"` (locked to 0.25.3) of package `nls v0.1.0 (/workspace/builds/worker-7-tc1/source)`