[INFO] fetching crate ark-ed-on-mnt4-753 0.2.0...
[INFO] checking ark-ed-on-mnt4-753-0.2.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate ark-ed-on-mnt4-753 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ark-ed-on-mnt4-753 0.2.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ed-on-mnt4-753 0.2.0
[INFO] finished tweaking crates.io crate ark-ed-on-mnt4-753 0.2.0
[INFO] tweaked toml for crates.io crate ark-ed-on-mnt4-753 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c5c7b4a20192ca24a95caf59e399c36619910828d6829662e3bd28618b622d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c5c7b4a20192ca24a95caf59e399c36619910828d6829662e3bd28618b622d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c5c7b4a20192ca24a95caf59e399c36619910828d6829662e3bd28618b622d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5c7b4a20192ca24a95caf59e399c36619910828d6829662e3bd28618b622d7", kill_on_drop: false }`
[INFO] [stdout] 5c5c7b4a20192ca24a95caf59e399c36619910828d6829662e3bd28618b622d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad988c187e9bce0e2012b24eb516f16777f1a66fb0afb621f105b7baf7df235
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ad988c187e9bce0e2012b24eb516f16777f1a66fb0afb621f105b7baf7df235", kill_on_drop: false }`
[INFO] [stderr]     Checking ark-ec v0.2.0
[INFO] [stderr]     Checking ark-mnt4-753 v0.2.0
[INFO] [stderr]     Checking ark-algebra-test-templates v0.2.0
[INFO] [stderr]     Checking ark-ed-on-mnt4-753 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "4ad988c187e9bce0e2012b24eb516f16777f1a66fb0afb621f105b7baf7df235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad988c187e9bce0e2012b24eb516f16777f1a66fb0afb621f105b7baf7df235", kill_on_drop: false }`
[INFO] [stdout] 4ad988c187e9bce0e2012b24eb516f16777f1a66fb0afb621f105b7baf7df235