[INFO] fetching crate num_cpus 1.13.1...
[INFO] checking num_cpus-1.13.1 against try#caa9a0ab7f12e74ec4868e297b789e6c6860d50a for pr-98370-1
[INFO] extracting crate num_cpus 1.13.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate num_cpus 1.13.1 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 num_cpus 1.13.1
[INFO] finished tweaking crates.io crate num_cpus 1.13.1
[INFO] tweaked toml for crates.io crate num_cpus 1.13.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate num_cpus 1.13.1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0d8ed3d6a534c4ad395990b08a3432fb27fc510b49d32a437a25321af04f8778
[INFO] running `Command { std: "docker" "start" "-a" "0d8ed3d6a534c4ad395990b08a3432fb27fc510b49d32a437a25321af04f8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8ed3d6a534c4ad395990b08a3432fb27fc510b49d32a437a25321af04f8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8ed3d6a534c4ad395990b08a3432fb27fc510b49d32a437a25321af04f8778", kill_on_drop: false }`
[INFO] [stdout] 0d8ed3d6a534c4ad395990b08a3432fb27fc510b49d32a437a25321af04f8778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8985e53e6fa399150dfc53794957b1d02709f59091143b307eba846fcb1944be
[INFO] running `Command { std: "docker" "start" "-a" "8985e53e6fa399150dfc53794957b1d02709f59091143b307eba846fcb1944be", 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" "8985e53e6fa399150dfc53794957b1d02709f59091143b307eba846fcb1944be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8985e53e6fa399150dfc53794957b1d02709f59091143b307eba846fcb1944be", kill_on_drop: false }`
[INFO] [stdout] 8985e53e6fa399150dfc53794957b1d02709f59091143b307eba846fcb1944be