[INFO] cloning repository https://github.com/blaesus/btc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blaesus/btc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fbtc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fbtc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c925bccbaa2789422403762a2411a83aee58dacf [INFO] checking blaesus/btc-rs against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fbtc-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blaesus/btc-rs on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/blaesus/btc-rs [INFO] finished tweaking git repo https://github.com/blaesus/btc-rs [INFO] tweaked toml for git repo https://github.com/blaesus/btc-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/blaesus/btc-rs 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bech32 v0.6.0 [INFO] [stderr] Downloaded cc v1.0.26 [INFO] [stderr] Downloaded bitcoin-bech32 v0.9.0 [INFO] [stderr] Downloaded bitcoin_hashes v0.3.2 [INFO] [stderr] Downloaded digest v0.8.0 [INFO] [stderr] Downloaded bitcoin v0.18.0 [INFO] [stderr] Downloaded secp256k1 v0.12.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9790f560e116ec419a0e3bb4ff9ffe164bfd9786402b74c7fd48ddf026db5ab [INFO] running `Command { std: "docker" "start" "-a" "f9790f560e116ec419a0e3bb4ff9ffe164bfd9786402b74c7fd48ddf026db5ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9790f560e116ec419a0e3bb4ff9ffe164bfd9786402b74c7fd48ddf026db5ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9790f560e116ec419a0e3bb4ff9ffe164bfd9786402b74c7fd48ddf026db5ab", kill_on_drop: false }` [INFO] [stdout] f9790f560e116ec419a0e3bb4ff9ffe164bfd9786402b74c7fd48ddf026db5ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e3605bcd52a239ace71bb7f5bb72ed492e4fc6ec033af77759bd1288bad7d09 [INFO] running `Command { std: "docker" "start" "-a" "0e3605bcd52a239ace71bb7f5bb72ed492e4fc6ec033af77759bd1288bad7d09", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking bech32 v0.6.0 [INFO] [stderr] Checking opaque-debug v0.2.2 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking bitcoin-bech32 v0.9.0 [INFO] [stderr] Compiling secp256k1 v0.12.2 [INFO] [stderr] Checking bitcoin_hashes v0.3.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking bitcoin v0.18.0 [INFO] [stderr] Checking btc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Sha512` [INFO] [stdout] --> src/utils.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sha512` [INFO] [stdout] --> src/utils.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | Err(error) => return, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/main.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | NetworkMessage::Version(version) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | Err(error) => return, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/main.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | NetworkMessage::Version(version) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pretty_dump` is never used [INFO] [stdout] --> src/utils.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn pretty_dump(buffer: &[u8]) -> () { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pretty_dump` is never used [INFO] [stdout] --> src/utils.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn pretty_dump(buffer: &[u8]) -> () { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | connection.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 102 | let _ = connection.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | connection.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 102 | let _ = connection.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.65s [INFO] running `Command { std: "docker" "inspect" "0e3605bcd52a239ace71bb7f5bb72ed492e4fc6ec033af77759bd1288bad7d09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e3605bcd52a239ace71bb7f5bb72ed492e4fc6ec033af77759bd1288bad7d09", kill_on_drop: false }` [INFO] [stdout] 0e3605bcd52a239ace71bb7f5bb72ed492e4fc6ec033af77759bd1288bad7d09 [INFO] checking blaesus/btc-rs against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesus%2Fbtc-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blaesus/btc-rs on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/blaesus/btc-rs [INFO] finished tweaking git repo https://github.com/blaesus/btc-rs [INFO] tweaked toml for git repo https://github.com/blaesus/btc-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/blaesus/btc-rs 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94174aad7e2d8cab470a9e7cb17fad01d867f81ffc182f71bb8164a57ee4e2f6 [INFO] running `Command { std: "docker" "start" "-a" "94174aad7e2d8cab470a9e7cb17fad01d867f81ffc182f71bb8164a57ee4e2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94174aad7e2d8cab470a9e7cb17fad01d867f81ffc182f71bb8164a57ee4e2f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94174aad7e2d8cab470a9e7cb17fad01d867f81ffc182f71bb8164a57ee4e2f6", kill_on_drop: false }` [INFO] [stdout] 94174aad7e2d8cab470a9e7cb17fad01d867f81ffc182f71bb8164a57ee4e2f6 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ce026218ca76b6c661112c715a178ce26ac9cae0bc54241cf09394e0250ca26 [INFO] running `Command { std: "docker" "start" "-a" "9ce026218ca76b6c661112c715a178ce26ac9cae0bc54241cf09394e0250ca26", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking bech32 v0.6.0 [INFO] [stderr] Checking opaque-debug v0.2.2 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking bitcoin-bech32 v0.9.0 [INFO] [stderr] Checking bitcoin_hashes v0.3.2 [INFO] [stderr] Compiling secp256k1 v0.12.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking bitcoin v0.18.0 [INFO] [stderr] Checking btc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Sha512` [INFO] [stdout] --> src/utils.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sha512` [INFO] [stdout] --> src/utils.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use sha2::{Digest, Sha256, Sha512}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | Err(error) => return, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/main.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | NetworkMessage::Version(version) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pretty_dump` is never used [INFO] [stdout] --> src/utils.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn pretty_dump(buffer: &[u8]) -> () { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | Err(error) => return, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/main.rs:77:41 [INFO] [stdout] | [INFO] [stdout] 77 | NetworkMessage::Version(version) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | connection.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 102 | let _ = connection.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pretty_dump` is never used [INFO] [stdout] --> src/utils.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn pretty_dump(buffer: &[u8]) -> () { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | connection.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 102 | let _ = connection.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.40s [INFO] running `Command { std: "docker" "inspect" "9ce026218ca76b6c661112c715a178ce26ac9cae0bc54241cf09394e0250ca26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ce026218ca76b6c661112c715a178ce26ac9cae0bc54241cf09394e0250ca26", kill_on_drop: false }` [INFO] [stdout] 9ce026218ca76b6c661112c715a178ce26ac9cae0bc54241cf09394e0250ca26