[INFO] cloning repository https://github.com/voidpumpkin/structural-convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voidpumpkin/structural-convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpumpkin%2Fstructural-convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpumpkin%2Fstructural-convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eef1483011ece94549d25e1fcca5cf95fdc53591
[INFO] testing voidpumpkin/structural-convert against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpumpkin%2Fstructural-convert" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voidpumpkin/structural-convert on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/voidpumpkin/structural-convert
[INFO] finished tweaking git repo https://github.com/voidpumpkin/structural-convert
[INFO] tweaked toml for git repo https://github.com/voidpumpkin/structural-convert written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/voidpumpkin/structural-convert 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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bad4dc85b0bd9b3853fb234aaece2212a4cc1f2176bd801b111fbd546c0c3c8
[INFO] running `Command { std: "docker" "start" "-a" "1bad4dc85b0bd9b3853fb234aaece2212a4cc1f2176bd801b111fbd546c0c3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bad4dc85b0bd9b3853fb234aaece2212a4cc1f2176bd801b111fbd546c0c3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bad4dc85b0bd9b3853fb234aaece2212a4cc1f2176bd801b111fbd546c0c3c8", kill_on_drop: false }`
[INFO] [stdout] 1bad4dc85b0bd9b3853fb234aaece2212a4cc1f2176bd801b111fbd546c0c3c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b420daf38cc5008c42e15d1277088af76d5fbf04e9434c3f61b5081efbec61d9
[INFO] running `Command { std: "docker" "start" "-a" "b420daf38cc5008c42e15d1277088af76d5fbf04e9434c3f61b5081efbec61d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr] LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta9IpDnH"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darling_core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b420daf38cc5008c42e15d1277088af76d5fbf04e9434c3f61b5081efbec61d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b420daf38cc5008c42e15d1277088af76d5fbf04e9434c3f61b5081efbec61d9", kill_on_drop: false }`
[INFO] [stdout] b420daf38cc5008c42e15d1277088af76d5fbf04e9434c3f61b5081efbec61d9