[INFO] fetching crate ark-mnt4-753 0.3.0...
[INFO] testing ark-mnt4-753-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ark-mnt4-753 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ark-mnt4-753 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-mnt4-753 0.3.0
[INFO] finished tweaking crates.io crate ark-mnt4-753 0.3.0
[INFO] tweaked toml for crates.io crate ark-mnt4-753 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa1d9cfd1ddd6e7ab8f1f0f320f0c2bbede8ea0fdc0640a0bb5ab96614b56dfb
[INFO] running `Command { std: "docker" "start" "-a" "aa1d9cfd1ddd6e7ab8f1f0f320f0c2bbede8ea0fdc0640a0bb5ab96614b56dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa1d9cfd1ddd6e7ab8f1f0f320f0c2bbede8ea0fdc0640a0bb5ab96614b56dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1d9cfd1ddd6e7ab8f1f0f320f0c2bbede8ea0fdc0640a0bb5ab96614b56dfb", kill_on_drop: false }`
[INFO] [stdout] aa1d9cfd1ddd6e7ab8f1f0f320f0c2bbede8ea0fdc0640a0bb5ab96614b56dfb
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dced2f1aaea8866964352aa4e0344174f0bd71ef4904fb99ae0064aa7c1df254
[INFO] running `Command { std: "docker" "start" "-a" "dced2f1aaea8866964352aa4e0344174f0bd71ef4904fb99ae0064aa7c1df254", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling ark-serialize v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling ark-ec v0.3.0
[INFO] [stderr]    Compiling ark-mnt4-753 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.73s
[INFO] running `Command { std: "docker" "inspect" "dced2f1aaea8866964352aa4e0344174f0bd71ef4904fb99ae0064aa7c1df254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dced2f1aaea8866964352aa4e0344174f0bd71ef4904fb99ae0064aa7c1df254", kill_on_drop: false }`
[INFO] [stdout] dced2f1aaea8866964352aa4e0344174f0bd71ef4904fb99ae0064aa7c1df254
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d0e487c22427459f4e22b6b9955e3efc17c5e309d92332dbdca1ba4f71803d7
[INFO] running `Command { std: "docker" "start" "-a" "8d0e487c22427459f4e22b6b9955e3efc17c5e309d92332dbdca1ba4f71803d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling ark-algebra-test-templates v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ark-relations v0.3.0
[INFO] [stderr]    Compiling ark-mnt4-753 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `Command { std: "docker" "inspect" "8d0e487c22427459f4e22b6b9955e3efc17c5e309d92332dbdca1ba4f71803d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0e487c22427459f4e22b6b9955e3efc17c5e309d92332dbdca1ba4f71803d7", kill_on_drop: false }`
[INFO] [stdout] 8d0e487c22427459f4e22b6b9955e3efc17c5e309d92332dbdca1ba4f71803d7
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4d83e64065a5937c2c78c55733b4481f9711eacdc5d8a965c4df9f0d50d6acd
[INFO] running `Command { std: "docker" "start" "-a" "a4d83e64065a5937c2c78c55733b4481f9711eacdc5d8a965c4df9f0d50d6acd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ark_mnt4_753-2470f2040b31432f)
[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 fields::tests::test_fq ... ok
[INFO] [stdout] test fields::tests::test_fr ... ok
[INFO] [stdout] test curves::tests::test_product_of_pairings ... ok
[INFO] [stdout] test curves::tests::test_bilinearity ... ok
[INFO] [stdout] test curves::tests::test_g2_projective_group ... ok
[INFO] [stdout] test fields::tests::test_fq2 ... ok
[INFO] [stdout] test curves::tests::test_g1_projective_curve ... ok
[INFO] [stdout] test fields::tests::test_fq4 ... ok
[INFO] [stdout] test curves::tests::test_g2_projective_curve has been running for over 60 seconds
[INFO] [stderr]    Doc-tests ark-mnt4-753
[INFO] [stdout] test curves::tests::test_g2_projective_curve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 131.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4d83e64065a5937c2c78c55733b4481f9711eacdc5d8a965c4df9f0d50d6acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d83e64065a5937c2c78c55733b4481f9711eacdc5d8a965c4df9f0d50d6acd", kill_on_drop: false }`
[INFO] [stdout] a4d83e64065a5937c2c78c55733b4481f9711eacdc5d8a965c4df9f0d50d6acd