[INFO] cloning repository https://github.com/boydwo/blockchain_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boydwo/blockchain_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboydwo%2Fblockchain_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboydwo%2Fblockchain_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c662224316d0e33d75016ae3b164c8a352d58716
[INFO] testing boydwo/blockchain_rust against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboydwo%2Fblockchain_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/boydwo/blockchain_rust
[INFO] finished tweaking git repo https://github.com/boydwo/blockchain_rust
[INFO] tweaked toml for git repo https://github.com/boydwo/blockchain_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/boydwo/blockchain_rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/boydwo/blockchain_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.6
[INFO] [stderr]   Downloaded simple_logger v5.0.0
[INFO] [stderr]   Downloaded bitcoincash-addr v0.5.2
[INFO] [stderr]   Downloaded syn v2.0.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91a987154b45057747e559a2f2466b6d07293d47b8b9ece075f4a7aaebed9e85
[INFO] running `Command { std: "docker" "start" "-a" "91a987154b45057747e559a2f2466b6d07293d47b8b9ece075f4a7aaebed9e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a987154b45057747e559a2f2466b6d07293d47b8b9ece075f4a7aaebed9e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a987154b45057747e559a2f2466b6d07293d47b8b9ece075f4a7aaebed9e85", kill_on_drop: false }`
[INFO] [stdout] 91a987154b45057747e559a2f2466b6d07293d47b8b9ece075f4a7aaebed9e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6322f32d1fd0fa541f5d674fa0ddbdf586ae3008b12acd9939a6019804d875f
[INFO] running `Command { std: "docker" "start" "-a" "b6322f32d1fd0fa541f5d674fa0ddbdf586ae3008b12acd9939a6019804d875f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.81
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling simple_logger v5.0.0
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling bitcoincash-addr v0.5.2
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling env_logger v0.11.5
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BlockchainIterator` is never constructed
[INFO] [stdout]   --> src/blockchain.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct BlockchainIterator<'a> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inter` is never used
[INFO] [stdout]   --> src/blockchain.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     impl Blockchain {
[INFO] [stdout]    |     --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |         pub fn inter(&self) -> BlockchainIterator {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/blockchain.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn inter(&self) -> BlockchainIterator {
[INFO] [stdout]    |                      ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn inter(&self) -> BlockchainIterator<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "b6322f32d1fd0fa541f5d674fa0ddbdf586ae3008b12acd9939a6019804d875f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6322f32d1fd0fa541f5d674fa0ddbdf586ae3008b12acd9939a6019804d875f", kill_on_drop: false }`
[INFO] [stdout] b6322f32d1fd0fa541f5d674fa0ddbdf586ae3008b12acd9939a6019804d875f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 894d4fbbedaab4c3c2efaa3ec536d421f2208717adacb9a05879ee97f7f11dc0
[INFO] running `Command { std: "docker" "start" "-a" "894d4fbbedaab4c3c2efaa3ec536d421f2208717adacb9a05879ee97f7f11dc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BlockchainIterator` is never constructed
[INFO] [stdout]   --> src/blockchain.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct BlockchainIterator<'a> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inter` is never used
[INFO] [stdout]   --> src/blockchain.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     impl Blockchain {
[INFO] [stdout]    |     --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |         pub fn inter(&self) -> BlockchainIterator {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/blockchain.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn inter(&self) -> BlockchainIterator {
[INFO] [stdout]    |                      ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn inter(&self) -> BlockchainIterator<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "894d4fbbedaab4c3c2efaa3ec536d421f2208717adacb9a05879ee97f7f11dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894d4fbbedaab4c3c2efaa3ec536d421f2208717adacb9a05879ee97f7f11dc0", kill_on_drop: false }`
[INFO] [stdout] 894d4fbbedaab4c3c2efaa3ec536d421f2208717adacb9a05879ee97f7f11dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa28b11c3c37869515bd638d44d0f1b16886845df548e5da6096e1ab743c9515
[INFO] running `Command { std: "docker" "start" "-a" "fa28b11c3c37869515bd638d44d0f1b16886845df548e5da6096e1ab743c9515", kill_on_drop: false }`
[INFO] [stderr] warning: struct `BlockchainIterator` is never constructed
[INFO] [stderr]   --> src/blockchain.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub struct BlockchainIterator<'a> {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `inter` is never used
[INFO] [stderr]   --> src/blockchain.rs:64:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     impl Blockchain {
[INFO] [stderr]    |     --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 64 |         pub fn inter(&self) -> BlockchainIterator {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/blockchain.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 64 |         pub fn inter(&self) -> BlockchainIterator {
[INFO] [stderr]    |                      ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 64 |         pub fn inter(&self) -> BlockchainIterator<'_> {
[INFO] [stderr]    |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/block.rs (/opt/rustwide/target/debug/deps/blockchain-e95ad02e8c178ea7)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-2cbb0b832cb75fa3)
[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] [stderr]    Doc-tests blockchain
[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" "fa28b11c3c37869515bd638d44d0f1b16886845df548e5da6096e1ab743c9515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa28b11c3c37869515bd638d44d0f1b16886845df548e5da6096e1ab743c9515", kill_on_drop: false }`
[INFO] [stdout] fa28b11c3c37869515bd638d44d0f1b16886845df548e5da6096e1ab743c9515
