[INFO] cloning repository https://github.com/qihan-z/bitcoin_network_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qihan-z/bitcoin_network_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqihan-z%2Fbitcoin_network_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqihan-z%2Fbitcoin_network_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7f6f6c44e3efde6e978ca8660ddee630bd5a1a0 [INFO] checking qihan-z/bitcoin_network_rust against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqihan-z%2Fbitcoin_network_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/qihan-z/bitcoin_network_rust [INFO] finished tweaking git repo https://github.com/qihan-z/bitcoin_network_rust [INFO] tweaked toml for git repo https://github.com/qihan-z/bitcoin_network_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/qihan-z/bitcoin_network_rust on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/qihan-z/bitcoin_network_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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcf571b6dbd43c729e463650fe389d97a032b0658ad882301efd7e011902604f [INFO] running `Command { std: "docker" "start" "-a" "bcf571b6dbd43c729e463650fe389d97a032b0658ad882301efd7e011902604f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcf571b6dbd43c729e463650fe389d97a032b0658ad882301efd7e011902604f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcf571b6dbd43c729e463650fe389d97a032b0658ad882301efd7e011902604f", kill_on_drop: false }` [INFO] [stdout] bcf571b6dbd43c729e463650fe389d97a032b0658ad882301efd7e011902604f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ae8a68bccf063555680324bc1a52f7ac158941eef0d7092e4ecb5b0d892c721 [INFO] running `Command { std: "docker" "start" "-a" "2ae8a68bccf063555680324bc1a52f7ac158941eef0d7092e4ecb5b0d892c721", kill_on_drop: false }` [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.7 [INFO] [stderr] Checking bitcoin_network_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: struct `Block` is never constructed [INFO] [stdout] --> src/block.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Block { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `time`, `data`, and `prev_block_hash` are never read [INFO] [stdout] --> src/block.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 4 | time: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | prev_block_hash: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_hash`, and `new_genesis_block` are never used [INFO] [stdout] --> src/block.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Block { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 11 | fn new(data: &str, prev_block_hash: Vec) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn set_hash(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn new_genesis_block() -> Block { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bitcoin_network_rust` (bin "bitcoin_network_rust" test) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: struct `Block` is never constructed [INFO] [stdout] --> src/block.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Block { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `time`, `data`, and `prev_block_hash` are never read [INFO] [stdout] --> src/block.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Block { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 4 | time: u64, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | prev_block_hash: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_hash`, and `new_genesis_block` are never used [INFO] [stdout] --> src/block.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Block { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 11 | fn new(data: &str, prev_block_hash: Vec) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn set_hash(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn new_genesis_block() -> Block { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bitcoin_network_rust` (bin "bitcoin_network_rust") due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2ae8a68bccf063555680324bc1a52f7ac158941eef0d7092e4ecb5b0d892c721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ae8a68bccf063555680324bc1a52f7ac158941eef0d7092e4ecb5b0d892c721", kill_on_drop: false }` [INFO] [stdout] 2ae8a68bccf063555680324bc1a52f7ac158941eef0d7092e4ecb5b0d892c721