[INFO] fetching crate lnpbp_chain 0.9.0...
[INFO] checking lnpbp_chain-0.9.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate lnpbp_chain 0.9.0 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lnpbp_chain 0.9.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: v0.32.6)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (available: v0.16.0)
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.13.0)
[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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amplify v3.14.2
[INFO] [stderr]   Downloaded amplify_derive v2.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad6efe533c9843deabd6c4dacba8fdabf54f5027122a45b9b896c95d008c0430
[INFO] running `Command { std: "docker" "start" "-a" "ad6efe533c9843deabd6c4dacba8fdabf54f5027122a45b9b896c95d008c0430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad6efe533c9843deabd6c4dacba8fdabf54f5027122a45b9b896c95d008c0430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6efe533c9843deabd6c4dacba8fdabf54f5027122a45b9b896c95d008c0430", kill_on_drop: false }`
[INFO] [stdout] ad6efe533c9843deabd6c4dacba8fdabf54f5027122a45b9b896c95d008c0430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371aff654f0c3a10b7f25a71f39afdc074da89e85a20100331dc02247c12c0cf
[INFO] running `Command { std: "docker" "start" "-a" "371aff654f0c3a10b7f25a71f39afdc074da89e85a20100331dc02247c12c0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling amplify_num v0.4.1
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking amplify_syn v1.1.6
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]    Compiling amplify v3.14.2
[INFO] [stderr]    Compiling encoding_derive_helpers v0.8.1
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]    Compiling strict_encoding_derive v0.9.0
[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" "371aff654f0c3a10b7f25a71f39afdc074da89e85a20100331dc02247c12c0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371aff654f0c3a10b7f25a71f39afdc074da89e85a20100331dc02247c12c0cf", kill_on_drop: false }`
[INFO] [stdout] 371aff654f0c3a10b7f25a71f39afdc074da89e85a20100331dc02247c12c0cf