[INFO] fetching crate ark-ed-on-bls12-381 0.3.0...
[INFO] checking ark-ed-on-bls12-381-0.3.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate ark-ed-on-bls12-381 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ark-ed-on-bls12-381 0.3.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ed-on-bls12-381 0.3.0
[INFO] finished tweaking crates.io crate ark-ed-on-bls12-381 0.3.0
[INFO] tweaked toml for crates.io crate ark-ed-on-bls12-381 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0913821a77ed1a16dced7a0693193253473eeee1b595586b1068205f5dab0fc7
[INFO] running `Command { std: "docker" "start" "-a" "0913821a77ed1a16dced7a0693193253473eeee1b595586b1068205f5dab0fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0913821a77ed1a16dced7a0693193253473eeee1b595586b1068205f5dab0fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0913821a77ed1a16dced7a0693193253473eeee1b595586b1068205f5dab0fc7", kill_on_drop: false }`
[INFO] [stdout] 0913821a77ed1a16dced7a0693193253473eeee1b595586b1068205f5dab0fc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b77d1fd99a27c19f4b4b3ced80c44c30327fe1689a57d9e182dbfeb9cc37e2
[INFO] running `Command { std: "docker" "start" "-a" "b4b77d1fd99a27c19f4b4b3ced80c44c30327fe1689a57d9e182dbfeb9cc37e2", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-relations v0.3.0
[INFO] [stderr]     Checking ark-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-algebra-test-templates v0.3.0
[INFO] [stderr]     Checking ark-ed-on-bls12-381 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.28s
[INFO] running `Command { std: "docker" "inspect" "b4b77d1fd99a27c19f4b4b3ced80c44c30327fe1689a57d9e182dbfeb9cc37e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b77d1fd99a27c19f4b4b3ced80c44c30327fe1689a57d9e182dbfeb9cc37e2", kill_on_drop: false }`
[INFO] [stdout] b4b77d1fd99a27c19f4b4b3ced80c44c30327fe1689a57d9e182dbfeb9cc37e2