[INFO] fetching crate ndarray 0.15.4...
[INFO] checking ndarray-0.15.4 against try#caa9a0ab7f12e74ec4868e297b789e6c6860d50a for pr-98370-1
[INFO] extracting crate ndarray 0.15.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ndarray 0.15.4 on toolchain caa9a0ab7f12e74ec4868e297b789e6c6860d50a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+caa9a0ab7f12e74ec4868e297b789e6c6860d50a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ndarray 0.15.4
[INFO] finished tweaking crates.io crate ndarray 0.15.4
[INFO] tweaked toml for crates.io crate ndarray 0.15.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ndarray 0.15.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+caa9a0ab7f12e74ec4868e297b789e6c6860d50a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+caa9a0ab7f12e74ec4868e297b789e6c6860d50a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64859e5e54f48c2c983be4a9d3709018731d8e8efad1eb1f6e628a3c19a859bc
[INFO] running `Command { std: "docker" "start" "-a" "64859e5e54f48c2c983be4a9d3709018731d8e8efad1eb1f6e628a3c19a859bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64859e5e54f48c2c983be4a9d3709018731d8e8efad1eb1f6e628a3c19a859bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64859e5e54f48c2c983be4a9d3709018731d8e8efad1eb1f6e628a3c19a859bc", kill_on_drop: false }`
[INFO] [stdout] 64859e5e54f48c2c983be4a9d3709018731d8e8efad1eb1f6e628a3c19a859bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+caa9a0ab7f12e74ec4868e297b789e6c6860d50a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeeba349d7ed79c05d847eb6cbf27a0010e84f849542160ff50f31edad544d1f
[INFO] running `Command { std: "docker" "start" "-a" "eeeba349d7ed79c05d847eb6cbf27a0010e84f849542160ff50f31edad544d1f", kill_on_drop: false }`
[INFO] [stderr] >> 1st remove `/opt/rustwide/cargo-home/registry/src`
[INFO] [stderr] error: Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "eeeba349d7ed79c05d847eb6cbf27a0010e84f849542160ff50f31edad544d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeba349d7ed79c05d847eb6cbf27a0010e84f849542160ff50f31edad544d1f", kill_on_drop: false }`
[INFO] [stdout] eeeba349d7ed79c05d847eb6cbf27a0010e84f849542160ff50f31edad544d1f