[INFO] fetching crate coins-core 0.3.0...
[INFO] testing coins-core-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate coins-core 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate coins-core 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 coins-core 0.3.0
[INFO] finished tweaking crates.io crate coins-core 0.3.0
[INFO] tweaked toml for crates.io crate coins-core 0.3.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 12fba1a5557d90751a9ad4e6c4a5b96b301d2fbd4638862b537d704c3cb05323
[INFO] running `Command { std: "docker" "start" "-a" "12fba1a5557d90751a9ad4e6c4a5b96b301d2fbd4638862b537d704c3cb05323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12fba1a5557d90751a9ad4e6c4a5b96b301d2fbd4638862b537d704c3cb05323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fba1a5557d90751a9ad4e6c4a5b96b301d2fbd4638862b537d704c3cb05323", kill_on_drop: false }`
[INFO] [stdout] 12fba1a5557d90751a9ad4e6c4a5b96b301d2fbd4638862b537d704c3cb05323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 16e6758c57a373738f2d949db7da1842df2527a4da559331df939360be174d4c
[INFO] running `Command { std: "docker" "start" "-a" "16e6758c57a373738f2d949db7da1842df2527a4da559331df939360be174d4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling sha2 v0.9.6
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling base58check v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling coins-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "16e6758c57a373738f2d949db7da1842df2527a4da559331df939360be174d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e6758c57a373738f2d949db7da1842df2527a4da559331df939360be174d4c", kill_on_drop: false }`
[INFO] [stdout] 16e6758c57a373738f2d949db7da1842df2527a4da559331df939360be174d4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b1c915fd0bd907774a28c1b7a07393402e7a6f38bfd9c8c51156faa9a67d6c0c
[INFO] running `Command { std: "docker" "start" "-a" "b1c915fd0bd907774a28c1b7a07393402e7a6f38bfd9c8c51156faa9a67d6c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling coins-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "b1c915fd0bd907774a28c1b7a07393402e7a6f38bfd9c8c51156faa9a67d6c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c915fd0bd907774a28c1b7a07393402e7a6f38bfd9c8c51156faa9a67d6c0c", kill_on_drop: false }`
[INFO] [stdout] b1c915fd0bd907774a28c1b7a07393402e7a6f38bfd9c8c51156faa9a67d6c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c7b7455ae3e3f8eb83f35eb6a9739ee05e7bc9d9953d4989b8a28228d5dc9eda
[INFO] running `Command { std: "docker" "start" "-a" "c7b7455ae3e3f8eb83f35eb6a9739ee05e7bc9d9953d4989b8a28228d5dc9eda", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coins_core-269d3dcfc251591d)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test enc::bases::test::it_should_error_on_wrong_version_and_hrp_and_invalid_addrs ... ok
[INFO] [stdout] test ser::test::it_implements_seq_ops_for_u8 ... ok
[INFO] [stdout] test enc::bases::test::it_should_encode_and_decode_base58_sh ... ok
[INFO] [stdout] test enc::bases::test::it_should_encode_and_decode_arbitrary_bech32 ... ok
[INFO] [stdout] test enc::bases::test::it_should_encode_and_decode_base58_pkh ... ok
[INFO] [stdout] test ser::test::it_matches_byte_len_and_prefix ... ok
[INFO] [stderr]    Doc-tests coins-core
[INFO] [stdout] test ser::test::it_implements_byteformat_for_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/ser.rs - ser::ByteFormat::read_from (line 207) ... ok
[INFO] [stdout] test src/ser.rs - ser::ByteFormat::write_to (line 224) ... ok
[INFO] [stdout] test src/ser.rs - ser::ByteFormat::write_seq_to (line 279) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7b7455ae3e3f8eb83f35eb6a9739ee05e7bc9d9953d4989b8a28228d5dc9eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b7455ae3e3f8eb83f35eb6a9739ee05e7bc9d9953d4989b8a28228d5dc9eda", kill_on_drop: false }`
[INFO] [stdout] c7b7455ae3e3f8eb83f35eb6a9739ee05e7bc9d9953d4989b8a28228d5dc9eda