[INFO] fetching crate libssz-merkle 0.2.1...
[INFO] testing libssz-merkle-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate libssz-merkle 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate libssz-merkle 0.2.1
[INFO] finished tweaking crates.io crate libssz-merkle 0.2.1
[INFO] tweaked toml for crates.io crate libssz-merkle 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libssz-merkle 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libssz-merkle 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethereum-types v0.15.1
[INFO] [stderr]   Downloaded libssz v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1f01f9a6c8e8a7f2db0665e7fc27d567bf197e1460c663f2625fc3a8a6e2fa
[INFO] running `Command { std: "docker" "start" "-a" "7a1f01f9a6c8e8a7f2db0665e7fc27d567bf197e1460c663f2625fc3a8a6e2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1f01f9a6c8e8a7f2db0665e7fc27d567bf197e1460c663f2625fc3a8a6e2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1f01f9a6c8e8a7f2db0665e7fc27d567bf197e1460c663f2625fc3a8a6e2fa", kill_on_drop: false }`
[INFO] [stdout] 7a1f01f9a6c8e8a7f2db0665e7fc27d567bf197e1460c663f2625fc3a8a6e2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b88d437a1ab4740b20ff84805da3fcfa27dae498a25bdb5bfcfebf8e23562092
[INFO] running `Command { std: "docker" "start" "-a" "b88d437a1ab4740b20ff84805da3fcfa27dae498a25bdb5bfcfebf8e23562092", kill_on_drop: false }`
[INFO] [stderr]    Compiling libssz v0.2.1
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling libssz-merkle v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "b88d437a1ab4740b20ff84805da3fcfa27dae498a25bdb5bfcfebf8e23562092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88d437a1ab4740b20ff84805da3fcfa27dae498a25bdb5bfcfebf8e23562092", kill_on_drop: false }`
[INFO] [stdout] b88d437a1ab4740b20ff84805da3fcfa27dae498a25bdb5bfcfebf8e23562092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe7b19edcf0b7cb19bc9e6dff1fc8cd5727616836ab16cbd01450ff54da877f
[INFO] running `Command { std: "docker" "start" "-a" "6fe7b19edcf0b7cb19bc9e6dff1fc8cd5727616836ab16cbd01450ff54da877f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libssz-merkle v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "6fe7b19edcf0b7cb19bc9e6dff1fc8cd5727616836ab16cbd01450ff54da877f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe7b19edcf0b7cb19bc9e6dff1fc8cd5727616836ab16cbd01450ff54da877f", kill_on_drop: false }`
[INFO] [stdout] 6fe7b19edcf0b7cb19bc9e6dff1fc8cd5727616836ab16cbd01450ff54da877f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62cfc62308a031a0fce5b47c3a6932e0b11977784b00c745f2e5e72ed0b51aa9
[INFO] running `Command { std: "docker" "start" "-a" "62cfc62308a031a0fce5b47c3a6932e0b11977784b00c745f2e5e72ed0b51aa9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libssz_merkle-9bc592fb56f88031)
[INFO] [stdout] running 39 tests
[INFO] [stdout] test tests::hash_nodes_is_not_commutative ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_20_is_padded ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_32_is_identity ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_48_is_merkleized ... ok
[INFO] [stdout] test tests::hash_tree_root_bool_false ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_52_is_merkleized ... ok
[INFO] [stdout] test tests::custom_hasher_works ... ok
[INFO] [stdout] test tests::hash_nodes_of_two_zero_nodes ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_4_is_padded ... ok
[INFO] [stdout] test tests::hash_tree_root_bool_true ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_96_is_merkleized ... ok
[INFO] [stdout] test tests::hash_tree_root_u8 ... ok
[INFO] [stdout] test tests::hash_tree_root_u64 ... ok
[INFO] [stdout] test tests::hash_tree_root_u128 ... ok
[INFO] [stdout] test tests::hash_tree_root_vec_u64 ... ok
[INFO] [stdout] test tests::hash_tree_root_vec_u64_empty ... ok
[INFO] [stdout] test tests::merkleize_empty_returns_zero_hash ... ok
[INFO] [stdout] test tests::merkleize_one_chunk_is_identity ... ok
[INFO] [stdout] test tests::merkleize_two_chunks ... ok
[INFO] [stdout] test tests::merkleize_with_limit_pads_with_zero_hashes ... ok
[INFO] [stdout] test tests::mix_in_length_zero ... ok
[INFO] [stdout] test tests::mix_in_length_known_value ... ok
[INFO] [stdout] test tests::mix_in_selector_known_value ... ok
[INFO] [stdout] test tests::pack_bits_8_bits ... ok
[INFO] [stdout] test tests::merkleize_three_chunks_pads_to_four ... ok
[INFO] [stdout] test tests::pack_empty_returns_empty ... ok
[INFO] [stdout] test tests::pack_exactly_32_bytes ... ok
[INFO] [stdout] test tests::pack_single_byte ... ok
[INFO] [stdout] test tests::pack_two_u64_values ... ok
[INFO] [stdout] test tests::merkleize_with_limit_equal_to_count ... ok
[INFO] [stdout] test tests::pack_bits_7_bits ... ok
[INFO] [stdout] test tests::pack_33_bytes_produces_two_chunks ... ok
[INFO] [stdout] test tests::pack_bits_9_bits ... ok
[INFO] [stdout] test tests::zero_hash_level_0_is_all_zeros ... ok
[INFO] [stdout] test tests::zero_hash_level_2_is_hash_of_two_level_1 ... ok
[INFO] [stdout] test tests::zero_hash_level_1_is_hash_of_two_zeros ... ok
[INFO] [stdout] test tests::merkleize_panics_if_count_exceeds_limit - should panic ... ok
[INFO] [stderr]    Doc-tests libssz_merkle
[INFO] [stdout] test tests::hash_tree_root_vec_u64_five_elements ... ok
[INFO] [stdout] test tests::hash_tree_root_byte_array_7_is_padded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "62cfc62308a031a0fce5b47c3a6932e0b11977784b00c745f2e5e72ed0b51aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cfc62308a031a0fce5b47c3a6932e0b11977784b00c745f2e5e72ed0b51aa9", kill_on_drop: false }`
[INFO] [stdout] 62cfc62308a031a0fce5b47c3a6932e0b11977784b00c745f2e5e72ed0b51aa9