[INFO] cloning repository https://github.com/will08rien/blockchain-balancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/will08rien/blockchain-balancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill08rien%2Fblockchain-balancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill08rien%2Fblockchain-balancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26b59c79a50f473b1f8a296c1e39abe9c7309e4c
[INFO] checking will08rien/blockchain-balancer against master#ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd for pr-103914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill08rien%2Fblockchain-balancer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/will08rien/blockchain-balancer on toolchain ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/will08rien/blockchain-balancer
[INFO] finished tweaking git repo https://github.com/will08rien/blockchain-balancer
[INFO] tweaked toml for git repo https://github.com/will08rien/blockchain-balancer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/will08rien/blockchain-balancer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd581836cd82813c500b793742296d3c8f256ddade1af86f084a2d819f423943
[INFO] running `Command { std: "docker" "start" "-a" "fd581836cd82813c500b793742296d3c8f256ddade1af86f084a2d819f423943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd581836cd82813c500b793742296d3c8f256ddade1af86f084a2d819f423943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd581836cd82813c500b793742296d3c8f256ddade1af86f084a2d819f423943", kill_on_drop: false }`
[INFO] [stdout] fd581836cd82813c500b793742296d3c8f256ddade1af86f084a2d819f423943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b46b3dc12ae3797757c6421927b19dc36c08d109d0ed92ef4f02f4abb9e1bba
[INFO] running `Command { std: "docker" "start" "-a" "1b46b3dc12ae3797757c6421927b19dc36c08d109d0ed92ef4f02f4abb9e1bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.3.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1b46b3dc12ae3797757c6421927b19dc36c08d109d0ed92ef4f02f4abb9e1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b46b3dc12ae3797757c6421927b19dc36c08d109d0ed92ef4f02f4abb9e1bba", kill_on_drop: false }`
[INFO] [stdout] 1b46b3dc12ae3797757c6421927b19dc36c08d109d0ed92ef4f02f4abb9e1bba