[INFO] cloning repository https://github.com/plumenator/coin-mixer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plumenator/coin-mixer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Fcoin-mixer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Fcoin-mixer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ccf99f1188c91486a3e0104168ff9d63d67f746
[INFO] building plumenator/coin-mixer-challenge against master#0da281b6068a7d889ae89a9bd8991284cc9b7535 for pr-103610
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Fcoin-mixer-challenge" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plumenator/coin-mixer-challenge on toolchain 0da281b6068a7d889ae89a9bd8991284cc9b7535
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/plumenator/coin-mixer-challenge
[INFO] finished tweaking git repo https://github.com/plumenator/coin-mixer-challenge
[INFO] tweaked toml for git repo https://github.com/plumenator/coin-mixer-challenge written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/plumenator/coin-mixer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigdecimal v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cbdee6cad43afde841c271d47e480eb2e65504c5cb9f8af0dda77e83010e59a
[INFO] running `Command { std: "docker" "start" "-a" "2cbdee6cad43afde841c271d47e480eb2e65504c5cb9f8af0dda77e83010e59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbdee6cad43afde841c271d47e480eb2e65504c5cb9f8af0dda77e83010e59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbdee6cad43afde841c271d47e480eb2e65504c5cb9f8af0dda77e83010e59a", kill_on_drop: false }`
[INFO] [stdout] 2cbdee6cad43afde841c271d47e480eb2e65504c5cb9f8af0dda77e83010e59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 503af32fe649ad24a40ea5c4f48c0f5d3a6bef795e8622c5f2c5dc2f9e2ca0b2
[INFO] running `Command { std: "docker" "start" "-a" "503af32fe649ad24a40ea5c4f48c0f5d3a6bef795e8622c5f2c5dc2f9e2ca0b2", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/proc-macro-error-attr-604c0f9cf7affe8d`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "503af32fe649ad24a40ea5c4f48c0f5d3a6bef795e8622c5f2c5dc2f9e2ca0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503af32fe649ad24a40ea5c4f48c0f5d3a6bef795e8622c5f2c5dc2f9e2ca0b2", kill_on_drop: false }`
[INFO] [stdout] 503af32fe649ad24a40ea5c4f48c0f5d3a6bef795e8622c5f2c5dc2f9e2ca0b2