[INFO] cloning repository https://github.com/jonno85/jblockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonno85/jblockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonno85%2Fjblockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonno85%2Fjblockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce21d9dee6e01a5e236b84faf3de4b7f6b383b19
[INFO] checking jonno85/jblockchain against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonno85%2Fjblockchain" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonno85/jblockchain
[INFO] finished tweaking git repo https://github.com/jonno85/jblockchain
[INFO] tweaked toml for git repo https://github.com/jonno85/jblockchain written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonno85/jblockchain on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonno85/jblockchain 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b123230e540a547ad697a8702e024ee190711a7ad04ac8d3bc6ac7523c82d5d9
[INFO] running `Command { std: "docker" "start" "-a" "b123230e540a547ad697a8702e024ee190711a7ad04ac8d3bc6ac7523c82d5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b123230e540a547ad697a8702e024ee190711a7ad04ac8d3bc6ac7523c82d5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b123230e540a547ad697a8702e024ee190711a7ad04ac8d3bc6ac7523c82d5d9", kill_on_drop: false }`
[INFO] [stdout] b123230e540a547ad697a8702e024ee190711a7ad04ac8d3bc6ac7523c82d5d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a26c1ee5af4130b84e7d317ada40a9ff8d4cc75c3698324955094d58a58c7d6
[INFO] running `Command { std: "docker" "start" "-a" "5a26c1ee5af4130b84e7d317ada40a9ff8d4cc75c3698324955094d58a58c7d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking blockchain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `TRANSACTION_THRESHOLD` is never used
[INFO] [stdout]   --> src/server.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const TRANSACTION_THRESHOLD: usize = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GLOBAL_MEMORY_POOL` is never used
[INFO] [stdout]   --> src/server.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | static GLOBAL_MEMORY_POOL: Lazy<MemoryPool> = Lazy::new(|| MemoryPool::new());
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GLOBAL_BLOCKS_IN_TRANSIT` is never used
[INFO] [stdout]   --> src/server.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | static GLOBAL_BLOCKS_IN_TRANSIT: Lazy<BlockInTransit> = Lazy::new(|| BlockInTransit::new());
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_get_data` is never used
[INFO] [stdout]   --> src/server.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn send_get_data(addr: &str, op_type: OpType, id: &[u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_inv` is never used
[INFO] [stdout]    --> src/server.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn send_inv(addr: &str, op_type: OpType, blocks: &[Vec<u8>]) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_block` is never used
[INFO] [stdout]    --> src/server.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn send_block(addr: &str, block: &Block) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_get_blocks` is never used
[INFO] [stdout]    --> src/server.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn send_get_blocks(addr: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve` is never used
[INFO] [stdout]    --> src/server.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn serve(blockchain: Blockchain, stream: TcpStream) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/server.rs:97:21
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/server.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let node_addr = GLOBAL_CONFIG.get_node_addr().parse().unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blockchain_rust` (lib) due to 6 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a26c1ee5af4130b84e7d317ada40a9ff8d4cc75c3698324955094d58a58c7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a26c1ee5af4130b84e7d317ada40a9ff8d4cc75c3698324955094d58a58c7d6", kill_on_drop: false }`
[INFO] [stdout] 5a26c1ee5af4130b84e7d317ada40a9ff8d4cc75c3698324955094d58a58c7d6