[INFO] fetching crate lnpbp_chain 0.9.0...
[INFO] testing lnpbp_chain-0.9.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lnpbp_chain 0.9.0 into /workspace/builds/worker-7-tc2/source
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lnpbp_chain 0.9.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding amplify v3.14.2 (available: v4.9.0)
[INFO] [stderr]       Adding bitcoin v0.29.2 (available: v0.32.8)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (available: v0.20.0)
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.18.0)
[INFO] [stderr]       Adding strict_encoding v0.9.0 (available: v2.9.1)
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 567989c680f5651621bf48e38b80a6298d6275756fef3cd0cd4b7ad36b9d153b
[INFO] running `Command { std: "docker" "start" "-a" "567989c680f5651621bf48e38b80a6298d6275756fef3cd0cd4b7ad36b9d153b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567989c680f5651621bf48e38b80a6298d6275756fef3cd0cd4b7ad36b9d153b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567989c680f5651621bf48e38b80a6298d6275756fef3cd0cd4b7ad36b9d153b", kill_on_drop: false }`
[INFO] [stdout] 567989c680f5651621bf48e38b80a6298d6275756fef3cd0cd4b7ad36b9d153b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac32c7cddb56be12317c86211c53049146e9119d62c75d587719cd7c94c3c963
[INFO] running `Command { std: "docker" "start" "-a" "ac32c7cddb56be12317c86211c53049146e9119d62c75d587719cd7c94c3c963", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling amplify_num v0.4.1
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling bech32 v0.9.1
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling 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 secp256k1 v0.24.3
[INFO] [stderr]    Compiling strict_encoding_derive v0.9.0
[INFO] [stderr]    Compiling bitcoin v0.29.2
[INFO] [stderr]    Compiling strict_encoding v0.9.0
[INFO] [stderr]    Compiling 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] [stderr] error: could not compile `lnpbp_chain` (lib) due to 2 previous errors
[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] running `Command { std: "docker" "inspect" "ac32c7cddb56be12317c86211c53049146e9119d62c75d587719cd7c94c3c963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac32c7cddb56be12317c86211c53049146e9119d62c75d587719cd7c94c3c963", kill_on_drop: false }`
[INFO] [stdout] ac32c7cddb56be12317c86211c53049146e9119d62c75d587719cd7c94c3c963