[INFO] fetching crate gmp-mpfr-sys 1.4.2...
[INFO] testing gmp-mpfr-sys-1.4.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate gmp-mpfr-sys 1.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gmp-mpfr-sys 1.4.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmp-mpfr-sys 1.4.2
[INFO] finished tweaking crates.io crate gmp-mpfr-sys 1.4.2
[INFO] tweaked toml for crates.io crate gmp-mpfr-sys 1.4.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 161b937351253f4c57ec25c900d930fae6550505097c066962283a5020d0f3a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "161b937351253f4c57ec25c900d930fae6550505097c066962283a5020d0f3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161b937351253f4c57ec25c900d930fae6550505097c066962283a5020d0f3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161b937351253f4c57ec25c900d930fae6550505097c066962283a5020d0f3a4", kill_on_drop: false }`
[INFO] [stdout] 161b937351253f4c57ec25c900d930fae6550505097c066962283a5020d0f3a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54e63f1f96a0643e564b3dff80bfa073579914cd2505babdd0eb008ca65650ad
[INFO] running `Command { std: "docker" "start" "-a" "54e63f1f96a0643e564b3dff80bfa073579914cd2505babdd0eb008ca65650ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.80
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "54e63f1f96a0643e564b3dff80bfa073579914cd2505babdd0eb008ca65650ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e63f1f96a0643e564b3dff80bfa073579914cd2505babdd0eb008ca65650ad", kill_on_drop: false }`
[INFO] [stdout] 54e63f1f96a0643e564b3dff80bfa073579914cd2505babdd0eb008ca65650ad