[INFO] fetching crate bls12_381_ietf 0.1.3...
[INFO] checking bls12_381_ietf-0.1.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate bls12_381_ietf 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bls12_381_ietf 0.1.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bls12_381_ietf 0.1.3
[INFO] finished tweaking crates.io crate bls12_381_ietf 0.1.3
[INFO] tweaked toml for crates.io crate bls12_381_ietf 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate bls12_381_ietf 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c2edc29b39cad102cd96015766693cb3f57090035c9f5d83088a326f9480dfe
[INFO] running `"docker" "start" "-a" "5c2edc29b39cad102cd96015766693cb3f57090035c9f5d83088a326f9480dfe"`
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]    Compiling ff_derive_ce v0.7.0
[INFO] [stderr]     Checking ff_ce v0.9.0
[INFO] [stderr]     Checking pairing_ce v0.20.0
[INFO] [stderr]     Checking bls12_381_ietf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `"docker" "inspect" "5c2edc29b39cad102cd96015766693cb3f57090035c9f5d83088a326f9480dfe"`
[INFO] running `"docker" "rm" "-f" "5c2edc29b39cad102cd96015766693cb3f57090035c9f5d83088a326f9480dfe"`
[INFO] [stdout] 5c2edc29b39cad102cd96015766693cb3f57090035c9f5d83088a326f9480dfe
