[INFO] fetching crate lnpbp_chain 0.9.0...
[INFO] checking lnpbp_chain-0.9.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate lnpbp_chain 0.9.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lnpbp_chain 0.9.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lnpbp_chain 0.9.0
[INFO] finished tweaking crates.io crate lnpbp_chain 0.9.0
[INFO] tweaked toml for crates.io crate lnpbp_chain 0.9.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding amplify v3.14.2 (available: v4.8.0)
[INFO] [stderr]       Adding bitcoin v0.29.2 (available: v0.32.5)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (available: v0.15.0)
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.11.0)
[INFO] [stderr]       Adding strict_encoding v0.9.0 (available: v2.8.1)
[INFO] [stderr]       Adding strict_encoding_test v0.9.0 (available: v2.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae4f526addcb638d3705c05054399ce73477324b35bc24c5da54b5330c27d47c
[INFO] running `Command { std: "docker" "start" "-a" "ae4f526addcb638d3705c05054399ce73477324b35bc24c5da54b5330c27d47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae4f526addcb638d3705c05054399ce73477324b35bc24c5da54b5330c27d47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4f526addcb638d3705c05054399ce73477324b35bc24c5da54b5330c27d47c", kill_on_drop: false }`
[INFO] [stdout] ae4f526addcb638d3705c05054399ce73477324b35bc24c5da54b5330c27d47c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf63a8c58dffe0c0694362ae4d19c64deac1d9c1dbba0525dc6bd62a522c8aa
[INFO] running `Command { std: "docker" "start" "-a" "8cf63a8c58dffe0c0694362ae4d19c64deac1d9c1dbba0525dc6bd62a522c8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]    Compiling amplify_num v0.4.1
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking amplify_syn v1.1.6
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]    Compiling amplify v3.14.2
[INFO] [stderr]    Compiling encoding_derive_helpers v0.8.1
[INFO] [stderr]    Compiling strict_encoding_derive v0.9.0
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]     Checking strict_encoding v0.9.0
[INFO] [stderr]     Checking strict_encoding_test v0.9.0
[INFO] [stderr]     Checking lnpbp_chain v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/lib.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:16:34
[INFO] [stdout]     |
[INFO] [stdout] 16  | #![deny(dead_code, missing_docs, warnings)]
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/lib.rs:670:9
[INFO] [stdout]     |
[INFO] [stdout] 670 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 670 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lnpbp_chain` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/lib.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:16:34
[INFO] [stdout]     |
[INFO] [stdout] 16  | #![deny(dead_code, missing_docs, warnings)]
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/lib.rs:670:9
[INFO] [stdout]     |
[INFO] [stdout] 670 |         state.finish();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 670 |         let _ = state.finish();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lnpbp_chain` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8cf63a8c58dffe0c0694362ae4d19c64deac1d9c1dbba0525dc6bd62a522c8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf63a8c58dffe0c0694362ae4d19c64deac1d9c1dbba0525dc6bd62a522c8aa", kill_on_drop: false }`
[INFO] [stdout] 8cf63a8c58dffe0c0694362ae4d19c64deac1d9c1dbba0525dc6bd62a522c8aa
