[INFO] fetching crate blocks_iterator 2.1.1...
[INFO] testing blocks_iterator-2.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate blocks_iterator 2.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate blocks_iterator 2.1.1
[INFO] finished tweaking crates.io crate blocks_iterator 2.1.1
[INFO] tweaked toml for crates.io crate blocks_iterator 2.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blocks_iterator 2.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 131 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rocksdb v0.22.0 (available: v0.24.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9a19f2c99ed54f45294c9512ecf8598083c779826fa9769978a33917daedb6d
[INFO] running `Command { std: "docker" "start" "-a" "c9a19f2c99ed54f45294c9512ecf8598083c779826fa9769978a33917daedb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a19f2c99ed54f45294c9512ecf8598083c779826fa9769978a33917daedb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a19f2c99ed54f45294c9512ecf8598083c779826fa9769978a33917daedb6d", kill_on_drop: false }`
[INFO] [stdout] c9a19f2c99ed54f45294c9512ecf8598083c779826fa9769978a33917daedb6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa94b3c5a647878f896414de026ec52581c557ecb624dcdfaa0d6739652ea51
[INFO] running `Command { std: "docker" "start" "-a" "1fa94b3c5a647878f896414de026ec52581c557ecb624dcdfaa0d6739652ea51", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling bitcoin-internals v0.3.0
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.32.7
[INFO] [stderr]    Compiling bech32 v0.11.0
[INFO] [stderr]    Compiling hex-conservative v0.2.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bitcoin_hashes v0.14.0
[INFO] [stderr]    Compiling bitcoin-units v0.1.2
[INFO] [stderr]    Compiling secp256k1 v0.29.1
[INFO] [stderr]    Compiling base58ck v0.1.0
[INFO] [stderr]    Compiling bitcoin_slices v0.10.0
[INFO] [stderr]    Compiling blocks_iterator v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `BlockExtra` is never constructed
[INFO] [stdout]  --> src/bsl.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct BlockExtra<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![deny(dead_code)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blocks_iterator` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1fa94b3c5a647878f896414de026ec52581c557ecb624dcdfaa0d6739652ea51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa94b3c5a647878f896414de026ec52581c557ecb624dcdfaa0d6739652ea51", kill_on_drop: false }`
[INFO] [stdout] 1fa94b3c5a647878f896414de026ec52581c557ecb624dcdfaa0d6739652ea51