[INFO] fetching crate ark-mnt6-753 0.3.0...
[INFO] testing ark-mnt6-753-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ark-mnt6-753 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ark-mnt6-753 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-mnt6-753 0.3.0
[INFO] finished tweaking crates.io crate ark-mnt6-753 0.3.0
[INFO] tweaked toml for crates.io crate ark-mnt6-753 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 241b31051e702d9af657ead06ef0980840bac703f6c6fa6818d6f955aaa68c97
[INFO] running `Command { std: "docker" "start" "-a" "241b31051e702d9af657ead06ef0980840bac703f6c6fa6818d6f955aaa68c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241b31051e702d9af657ead06ef0980840bac703f6c6fa6818d6f955aaa68c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241b31051e702d9af657ead06ef0980840bac703f6c6fa6818d6f955aaa68c97", kill_on_drop: false }`
[INFO] [stdout] 241b31051e702d9af657ead06ef0980840bac703f6c6fa6818d6f955aaa68c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d48558373dc3472b414282e85058f0cb30441eddaa42ab7c9005144c0918a3
[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" "c2d48558373dc3472b414282e85058f0cb30441eddaa42ab7c9005144c0918a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-mnt4-753 v0.3.0
[INFO] [stderr]    Compiling ark-mnt6-753 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c2d48558373dc3472b414282e85058f0cb30441eddaa42ab7c9005144c0918a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d48558373dc3472b414282e85058f0cb30441eddaa42ab7c9005144c0918a3", kill_on_drop: false }`
[INFO] [stdout] c2d48558373dc3472b414282e85058f0cb30441eddaa42ab7c9005144c0918a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d50363f19ed292189bccf77ddc96e4eb65b2520f512bde9fb3b89f369b701a39
[INFO] running `Command { std: "docker" "start" "-a" "d50363f19ed292189bccf77ddc96e4eb65b2520f512bde9fb3b89f369b701a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-mnt6-753 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "d50363f19ed292189bccf77ddc96e4eb65b2520f512bde9fb3b89f369b701a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50363f19ed292189bccf77ddc96e4eb65b2520f512bde9fb3b89f369b701a39", kill_on_drop: false }`
[INFO] [stdout] d50363f19ed292189bccf77ddc96e4eb65b2520f512bde9fb3b89f369b701a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06222344491acd564e552c444dc030c96588fe878dbf8ad049918f3a52bcfeba
[INFO] running `Command { std: "docker" "start" "-a" "06222344491acd564e552c444dc030c96588fe878dbf8ad049918f3a52bcfeba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ark_mnt6_753-ecc32d682adc2a76)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test curves::tests::test_g1_generator ... ok
[INFO] [stdout] test curves::tests::test_g2_generator ... ok
[INFO] [stdout] test curves::tests::test_g1_projective_group ... ok
[INFO] [stdout] test curves::tests::test_bilinearity ... ok
[INFO] [stdout] test curves::tests::test_product_of_pairings ... ok
[INFO] [stdout] test curves::tests::test_g2_projective_group ... ok
[INFO] [stdout] test curves::tests::test_g1_projective_curve ... ok
[INFO] [stdout] test curves::tests::test_g2_projective_curve has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "06222344491acd564e552c444dc030c96588fe878dbf8ad049918f3a52bcfeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06222344491acd564e552c444dc030c96588fe878dbf8ad049918f3a52bcfeba", kill_on_drop: false }`
[INFO] [stdout] 06222344491acd564e552c444dc030c96588fe878dbf8ad049918f3a52bcfeba