[INFO] cloning repository https://github.com/iamudityadav/rust-write-JSON
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamudityadav/rust-write-JSON" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamudityadav%2Frust-write-JSON", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamudityadav%2Frust-write-JSON'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f98f1aa9e9a6842100da6ee2622eea02e6b7061
[INFO] testing iamudityadav/rust-write-JSON against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamudityadav%2Frust-write-JSON" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iamudityadav/rust-write-JSON
[INFO] finished tweaking git repo https://github.com/iamudityadav/rust-write-JSON
[INFO] tweaked toml for git repo https://github.com/iamudityadav/rust-write-JSON written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iamudityadav/rust-write-JSON on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iamudityadav/rust-write-JSON 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.188
[INFO] [stderr]   Downloaded serde v1.0.188
[INFO] [stderr]   Downloaded itoa v1.0.9
[INFO] [stderr]   Downloaded ryu v1.0.15
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded serde_json v1.0.106
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb71e08323e0a62d2ce83631fdb4df285f04812ecb9f6f584e4e7deae1a7da83
[INFO] running `Command { std: "docker" "start" "-a" "bb71e08323e0a62d2ce83631fdb4df285f04812ecb9f6f584e4e7deae1a7da83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb71e08323e0a62d2ce83631fdb4df285f04812ecb9f6f584e4e7deae1a7da83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb71e08323e0a62d2ce83631fdb4df285f04812ecb9f6f584e4e7deae1a7da83", kill_on_drop: false }`
[INFO] [stdout] bb71e08323e0a62d2ce83631fdb4df285f04812ecb9f6f584e4e7deae1a7da83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 748c1369d6140eddabcd652738da4a260f7ba0636874b03a03653a39e298364b
[INFO] running `Command { std: "docker" "start" "-a" "748c1369d6140eddabcd652738da4a260f7ba0636874b03a03653a39e298364b", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/write_json-92359deff635743f`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "748c1369d6140eddabcd652738da4a260f7ba0636874b03a03653a39e298364b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748c1369d6140eddabcd652738da4a260f7ba0636874b03a03653a39e298364b", kill_on_drop: false }`
[INFO] [stdout] 748c1369d6140eddabcd652738da4a260f7ba0636874b03a03653a39e298364b