[INFO] fetching crate wikibooks_rpn_calc_test_ver_gw 0.1.0...
[INFO] testing wikibooks_rpn_calc_test_ver_gw-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate wikibooks_rpn_calc_test_ver_gw 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate wikibooks_rpn_calc_test_ver_gw 0.1.0
[INFO] finished tweaking crates.io crate wikibooks_rpn_calc_test_ver_gw 0.1.0
[INFO] tweaked toml for crates.io crate wikibooks_rpn_calc_test_ver_gw 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wikibooks_rpn_calc_test_ver_gw 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache


No space left on device (os error 28)