[INFO] cloning repository https://github.com/devAlmightyCoder/Write-JSON-Data-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devAlmightyCoder/Write-JSON-Data-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevAlmightyCoder%2FWrite-JSON-Data-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevAlmightyCoder%2FWrite-JSON-Data-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d73cbd1ad219da82fc59c16e313cb4ae9f3cf091
[INFO] checking devAlmightyCoder/Write-JSON-Data-Rust against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevAlmightyCoder%2FWrite-JSON-Data-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devAlmightyCoder/Write-JSON-Data-Rust on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devAlmightyCoder/Write-JSON-Data-Rust
[INFO] finished tweaking git repo https://github.com/devAlmightyCoder/Write-JSON-Data-Rust
[INFO] tweaked toml for git repo https://github.com/devAlmightyCoder/Write-JSON-Data-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devAlmightyCoder/Write-JSON-Data-Rust 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" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a1946b3dc5b32fc86f3354f073c5fb8a0ea066bdcc04c34845b927b2c5a04a5
[INFO] running `Command { std: "docker" "start" "-a" "3a1946b3dc5b32fc86f3354f073c5fb8a0ea066bdcc04c34845b927b2c5a04a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1946b3dc5b32fc86f3354f073c5fb8a0ea066bdcc04c34845b927b2c5a04a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1946b3dc5b32fc86f3354f073c5fb8a0ea066bdcc04c34845b927b2c5a04a5", kill_on_drop: false }`
[INFO] [stdout] 3a1946b3dc5b32fc86f3354f073c5fb8a0ea066bdcc04c34845b927b2c5a04a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8602d7e1c4ea2c5b26dc87b458f80de20ca790fc16ee519924876a7de163ab8
[INFO] running `Command { std: "docker" "start" "-a" "a8602d7e1c4ea2c5b26dc87b458f80de20ca790fc16ee519924876a7de163ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-187bb83b2c4bd54c.rlib`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a8602d7e1c4ea2c5b26dc87b458f80de20ca790fc16ee519924876a7de163ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8602d7e1c4ea2c5b26dc87b458f80de20ca790fc16ee519924876a7de163ab8", kill_on_drop: false }`
[INFO] [stdout] a8602d7e1c4ea2c5b26dc87b458f80de20ca790fc16ee519924876a7de163ab8