[INFO] fetching crate blocks_iterator 0.3.0...
[INFO] testing blocks_iterator-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate blocks_iterator 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate blocks_iterator 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 blocks_iterator 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate blocks_iterator 0.3.0
[INFO] tweaked toml for crates.io crate blocks_iterator 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate blocks_iterator 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1 v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 99f70278292c9f15717bbcc214cd3a2734e4d24b6bc836ae4b1e84cbf0d9ca35
[INFO] running `Command { std: "docker" "start" "-a" "99f70278292c9f15717bbcc214cd3a2734e4d24b6bc836ae4b1e84cbf0d9ca35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f70278292c9f15717bbcc214cd3a2734e4d24b6bc836ae4b1e84cbf0d9ca35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f70278292c9f15717bbcc214cd3a2734e4d24b6bc836ae4b1e84cbf0d9ca35", kill_on_drop: false }`
[INFO] [stdout] 99f70278292c9f15717bbcc214cd3a2734e4d24b6bc836ae4b1e84cbf0d9ca35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 731bc7d190c3e533724d0562b8f0e775fc23a522db16a54297b7bbec7f321620
[INFO] running `Command { std: "docker" "start" "-a" "731bc7d190c3e533724d0562b8f0e775fc23a522db16a54297b7bbec7f321620", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling secp256k1 v0.20.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling bitcoin v0.27.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling blocks_iterator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.25s
[INFO] running `Command { std: "docker" "inspect" "731bc7d190c3e533724d0562b8f0e775fc23a522db16a54297b7bbec7f321620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731bc7d190c3e533724d0562b8f0e775fc23a522db16a54297b7bbec7f321620", kill_on_drop: false }`
[INFO] [stdout] 731bc7d190c3e533724d0562b8f0e775fc23a522db16a54297b7bbec7f321620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7e6d9752e316fb68192bb56fac89da3e5f4c4486260b0885a7bbf48298993771
[INFO] running `Command { std: "docker" "start" "-a" "7e6d9752e316fb68192bb56fac89da3e5f4c4486260b0885a7bbf48298993771", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocks_iterator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sighash`
[INFO] [stdout]   --> examples/signatures_in_witness.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub sighash: SigHashType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `R`
[INFO] [stdout]   --> examples/signatures_in_witness.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub R: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]   --> examples/signatures_in_witness.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub s: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "7e6d9752e316fb68192bb56fac89da3e5f4c4486260b0885a7bbf48298993771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6d9752e316fb68192bb56fac89da3e5f4c4486260b0885a7bbf48298993771", kill_on_drop: false }`
[INFO] [stdout] 7e6d9752e316fb68192bb56fac89da3e5f4c4486260b0885a7bbf48298993771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a0db220d39948b81e56e676441d4be47b3d551c009a66fc8d2b2f6ba8d857d4a
[INFO] running `Command { std: "docker" "start" "-a" "a0db220d39948b81e56e676441d4be47b3d551c009a66fc8d2b2f6ba8d857d4a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `sighash`
[INFO] [stderr]   --> examples/signatures_in_witness.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub sighash: SigHashType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `R`
[INFO] [stderr]   --> examples/signatures_in_witness.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub R: Vec<u8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s`
[INFO] [stderr]   --> examples/signatures_in_witness.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub s: Vec<u8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `blocks_iterator` (example "signatures_in_witness") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blocks_iterator-0502e28696c22de1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test fee::test::test_size ... ok
[INFO] [stdout] test truncmap::test::test_script_stack ... ok
[INFO] [stdout] test truncmap::test::test_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocks_iterator
[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" "a0db220d39948b81e56e676441d4be47b3d551c009a66fc8d2b2f6ba8d857d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0db220d39948b81e56e676441d4be47b3d551c009a66fc8d2b2f6ba8d857d4a", kill_on_drop: false }`
[INFO] [stdout] a0db220d39948b81e56e676441d4be47b3d551c009a66fc8d2b2f6ba8d857d4a