[INFO] cloning repository https://github.com/pgattic/cairn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pgattic/cairn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgattic%2Fcairn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgattic%2Fcairn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f27780df7c879858f3a29651ac6ea854d344acb
[INFO] building pgattic/cairn against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpgattic%2Fcairn" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pgattic/cairn
[INFO] finished tweaking git repo https://github.com/pgattic/cairn
[INFO] tweaked toml for git repo https://github.com/pgattic/cairn written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pgattic/cairn on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pgattic/cairn 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 290eaf6a103eac3b9923275b269239b66df0d8a495d47b0684780e85b8c16262
[INFO] running `Command { std: "docker" "start" "-a" "290eaf6a103eac3b9923275b269239b66df0d8a495d47b0684780e85b8c16262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "290eaf6a103eac3b9923275b269239b66df0d8a495d47b0684780e85b8c16262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290eaf6a103eac3b9923275b269239b66df0d8a495d47b0684780e85b8c16262", kill_on_drop: false }`
[INFO] [stdout] 290eaf6a103eac3b9923275b269239b66df0d8a495d47b0684780e85b8c16262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33db8b8eeab5a09f805d63be9c3fa6853b94561ca83396f608dd009d673994cd
[INFO] running `Command { std: "docker" "start" "-a" "33db8b8eeab5a09f805d63be9c3fa6853b94561ca83396f608dd009d673994cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "33db8b8eeab5a09f805d63be9c3fa6853b94561ca83396f608dd009d673994cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33db8b8eeab5a09f805d63be9c3fa6853b94561ca83396f608dd009d673994cd", kill_on_drop: false }`
[INFO] [stdout] 33db8b8eeab5a09f805d63be9c3fa6853b94561ca83396f608dd009d673994cd