[INFO] fetching crate scicrypt-traits 0.6.2...
[INFO] building scicrypt-traits-0.6.2 against master#87788097b776f8e3662f76627944230684b671bd for pr-101591
[INFO] extracting crate scicrypt-traits 0.6.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scicrypt-traits 0.6.2 on toolchain 87788097b776f8e3662f76627944230684b671bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scicrypt-traits 0.6.2
[INFO] finished tweaking crates.io crate scicrypt-traits 0.6.2
[INFO] tweaked toml for crates.io crate scicrypt-traits 0.6.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be765f46af58b14b21968d78c1887142031a1f0c76edcc9cb82218cd207142c0
[INFO] running `Command { std: "docker" "start" "-a" "be765f46af58b14b21968d78c1887142031a1f0c76edcc9cb82218cd207142c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be765f46af58b14b21968d78c1887142031a1f0c76edcc9cb82218cd207142c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be765f46af58b14b21968d78c1887142031a1f0c76edcc9cb82218cd207142c0", kill_on_drop: false }`
[INFO] [stdout] be765f46af58b14b21968d78c1887142031a1f0c76edcc9cb82218cd207142c0
[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" "+87788097b776f8e3662f76627944230684b671bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e94476dda34d55b34e9b95262d58a77b4e195bb80ed71896e2ff1e3fc3df3219
[INFO] running `Command { std: "docker" "start" "-a" "e94476dda34d55b34e9b95262d58a77b4e195bb80ed71896e2ff1e3fc3df3219", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.10
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.17.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e94476dda34d55b34e9b95262d58a77b4e195bb80ed71896e2ff1e3fc3df3219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94476dda34d55b34e9b95262d58a77b4e195bb80ed71896e2ff1e3fc3df3219", kill_on_drop: false }`
[INFO] [stdout] e94476dda34d55b34e9b95262d58a77b4e195bb80ed71896e2ff1e3fc3df3219