[INFO] fetching crate c-ares 7.5.2...
[INFO] checking c-ares-7.5.2 against try#560667b800e34f03ac9f520f299d077c249dd301 for pr-100971
[INFO] extracting crate c-ares 7.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate c-ares 7.5.2 on toolchain 560667b800e34f03ac9f520f299d077c249dd301
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares 7.5.2
[INFO] finished tweaking crates.io crate c-ares 7.5.2
[INFO] tweaked toml for crates.io crate c-ares 7.5.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate c-ares 7.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a486ef2f2d0a254c2741a3e94d90960259f0b7a96acf174bd7803aeb9faa7dc
[INFO] running `Command { std: "docker" "start" "-a" "3a486ef2f2d0a254c2741a3e94d90960259f0b7a96acf174bd7803aeb9faa7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a486ef2f2d0a254c2741a3e94d90960259f0b7a96acf174bd7803aeb9faa7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a486ef2f2d0a254c2741a3e94d90960259f0b7a96acf174bd7803aeb9faa7dc", kill_on_drop: false }`
[INFO] [stdout] 3a486ef2f2d0a254c2741a3e94d90960259f0b7a96acf174bd7803aeb9faa7dc
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+560667b800e34f03ac9f520f299d077c249dd301" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e4d63b2eccf65f092d8f744fac846057c7ed679a5d3fe26e20afb42b04abda
[INFO] running `Command { std: "docker" "start" "-a" "06e4d63b2eccf65f092d8f744fac846057c7ed679a5d3fe26e20afb42b04abda", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling c-ares-sys v5.3.3
[INFO] [stderr]     Checking c-types v2.0.2
[INFO] [stderr]     Checking nix v0.23.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "06e4d63b2eccf65f092d8f744fac846057c7ed679a5d3fe26e20afb42b04abda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e4d63b2eccf65f092d8f744fac846057c7ed679a5d3fe26e20afb42b04abda", kill_on_drop: false }`
[INFO] [stdout] 06e4d63b2eccf65f092d8f744fac846057c7ed679a5d3fe26e20afb42b04abda