[INFO] fetching crate snarkvm-utilities 0.7.9...
[INFO] testing snarkvm-utilities-0.7.9 against 1.55.0 for beta-1.56-1
[INFO] extracting crate snarkvm-utilities 0.7.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate snarkvm-utilities 0.7.9 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 snarkvm-utilities 0.7.9
[INFO] finished tweaking crates.io crate snarkvm-utilities 0.7.9
[INFO] tweaked toml for crates.io crate snarkvm-utilities 0.7.9 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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] 17a36bacdb89e8306a7e13a0d0a072f99478e9dafbc00b5b87ed6892aa6fbd5f
[INFO] running `Command { std: "docker" "start" "-a" "17a36bacdb89e8306a7e13a0d0a072f99478e9dafbc00b5b87ed6892aa6fbd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17a36bacdb89e8306a7e13a0d0a072f99478e9dafbc00b5b87ed6892aa6fbd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a36bacdb89e8306a7e13a0d0a072f99478e9dafbc00b5b87ed6892aa6fbd5f", kill_on_drop: false }`
[INFO] [stdout] 17a36bacdb89e8306a7e13a0d0a072f99478e9dafbc00b5b87ed6892aa6fbd5f
[INFO] running `Command { std: "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" "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] 74e0b5007034aa462ffa53dc1bef65428ac7854ccba1b4caff19b7b4db4d8a34
[INFO] running `Command { std: "docker" "start" "-a" "74e0b5007034aa462ffa53dc1bef65428ac7854ccba1b4caff19b7b4db4d8a34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling snarkvm-derives v0.7.9
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling snarkvm-utilities v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.90s
[INFO] running `Command { std: "docker" "inspect" "74e0b5007034aa462ffa53dc1bef65428ac7854ccba1b4caff19b7b4db4d8a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e0b5007034aa462ffa53dc1bef65428ac7854ccba1b4caff19b7b4db4d8a34", kill_on_drop: false }`
[INFO] [stdout] 74e0b5007034aa462ffa53dc1bef65428ac7854ccba1b4caff19b7b4db4d8a34
[INFO] running `Command { std: "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" "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] b89137fef9f0d1967074f5f4c5ddbb7bb92639bfeb2954e73d0d6809722a8ebd
[INFO] running `Command { std: "docker" "start" "-a" "b89137fef9f0d1967074f5f4c5ddbb7bb92639bfeb2954e73d0d6809722a8ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling snarkvm-utilities v0.7.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "b89137fef9f0d1967074f5f4c5ddbb7bb92639bfeb2954e73d0d6809722a8ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89137fef9f0d1967074f5f4c5ddbb7bb92639bfeb2954e73d0d6809722a8ebd", kill_on_drop: false }`
[INFO] [stdout] b89137fef9f0d1967074f5f4c5ddbb7bb92639bfeb2954e73d0d6809722a8ebd
[INFO] running `Command { std: "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" "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] 79d20b9a63eb53f8531ec60522d0a1dac8a6ba9ef4cd0d20e86fa2c5e988b69b
[INFO] running `Command { std: "docker" "start" "-a" "79d20b9a63eb53f8531ec60522d0a1dac8a6ba9ef4cd0d20e86fa2c5e988b69b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snarkvm_utilities-00e45ac4d2bee44c)
[INFO] [stdout] test bititerator::tests::test_bititerator_le ... ok
[INFO] [stdout] test bititerator::tests::test_bititerator_le_without_trailing_zeros ... ok
[INFO] [stdout] test bytes::test::test_from_bits_le_to_bytes_le ... ok
[INFO] [stdout] test bititerator::tests::test_bititerator_be_without_leading_zeros ... ok
[INFO] [stdout] test bititerator::tests::test_bititerator_be ... ok
[INFO] [stdout] test bytes::test::test_macro_empty ... ok
[INFO] [stdout] test bytes::test::test_macro ... ok
[INFO] [stdout] test serialize::impls::test::test_phantomdata ... ok
[INFO] [stdout] test serialize::impls::test::test_option ... ok
[INFO] [stdout] test variable_length_integer::test::test_read_variable_length_integer ... ok
[INFO] [stdout] test serialize::impls::test::test_string ... ok
[INFO] [stdout] test serialize::impls::test::test_tuple ... ok
[INFO] [stdout] test bytes::test::test_from_bytes_le_to_bits_le ... ok
[INFO] [stdout] test serialize::impls::test::test_vec ... ok
[INFO] [stdout] test serialize::test_number_of_bits_and_bytes ... ok
[INFO] [stdout] test serialize::impls::test::test_tuple_vec ... ok
[INFO] [stdout] test serialize::impls::test::test_bool ... ok
[INFO] [stdout] test serialize::impls::test::test_uint ... ok
[INFO] [stdout] test variable_length_integer::test::test_variable_length_integer ... ok
[INFO] [stdout] test bytes::test::test_from_bits_le_to_bytes_le_roundtrip ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger64 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger128 has been running for over 60 seconds
[INFO] [stdout] test biginteger::tests::test_biginteger256 has been running for over 60 seconds
[INFO] [stdout] test biginteger::tests::test_biginteger384 has been running for over 60 seconds
[INFO] [stdout] test biginteger::tests::test_biginteger768 has been running for over 60 seconds
[INFO] [stdout] test biginteger::tests::test_biginteger832 has been running for over 60 seconds
[INFO] [stdout] test biginteger::tests::test_biginteger128 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger256 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger384 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger768 ... ok
[INFO] [stdout] test biginteger::tests::test_biginteger832 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 345.80s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snarkvm-utilities
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/serialize/traits.rs - serialize::traits::CanonicalDeserialize (line 104) ... ok
[INFO] [stdout] test src/serialize/traits.rs - serialize::traits::CanonicalSerialize (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79d20b9a63eb53f8531ec60522d0a1dac8a6ba9ef4cd0d20e86fa2c5e988b69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d20b9a63eb53f8531ec60522d0a1dac8a6ba9ef4cd0d20e86fa2c5e988b69b", kill_on_drop: false }`
[INFO] [stdout] 79d20b9a63eb53f8531ec60522d0a1dac8a6ba9ef4cd0d20e86fa2c5e988b69b