[INFO] cloning repository https://github.com/emerick42/kairoi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emerick42/kairoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femerick42%2Fkairoi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femerick42%2Fkairoi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 557aa8ff5d3496b2cf06a309dd1571411183c1d1 [INFO] checking emerick42/kairoi against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femerick42%2Fkairoi" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emerick42/kairoi on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emerick42/kairoi [INFO] finished tweaking git repo https://github.com/emerick42/kairoi [INFO] tweaked toml for git repo https://github.com/emerick42/kairoi written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/emerick42/kairoi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02a487701b503204f23e55089b8499ffb6cb9f85e917412861364aa5ef766349 [INFO] running `Command { std: "docker" "start" "-a" "02a487701b503204f23e55089b8499ffb6cb9f85e917412861364aa5ef766349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02a487701b503204f23e55089b8499ffb6cb9f85e917412861364aa5ef766349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02a487701b503204f23e55089b8499ffb6cb9f85e917412861364aa5ef766349", kill_on_drop: false }` [INFO] [stdout] 02a487701b503204f23e55089b8499ffb6cb9f85e917412861364aa5ef766349 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f6e58b68ebaa63f6cb27763be807ede39fa48409969bb2c2ae12b78865df453 [INFO] running `Command { std: "docker" "start" "-a" "3f6e58b68ebaa63f6cb27763be807ede39fa48409969bb2c2ae12b78865df453", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-bidi v0.3.6 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cookie-factory v0.2.4 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling bitflags v1.3.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling tinyvec v1.3.1 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling regex v1.4.6 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling jobserver v0.1.23 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Checking lexical-core v0.7.6 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling libgit2-sys v0.9.2 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Checking simple_logger v1.13.0 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling git2 v0.10.2 [INFO] [stderr] Compiling snafu-derive v0.4.4 [INFO] [stderr] Checking snafu v0.4.4 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Checking amq-protocol-types v1.2.0 [INFO] [stderr] Compiling built v0.3.2 [INFO] [stderr] Compiling amiquip v0.3.3 [INFO] [stderr] Checking amq-protocol-codegen v1.4.0 [INFO] [stderr] Compiling amq-protocol v1.4.0 [INFO] [stderr] Checking kairoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/controller/client/mod.rs:71:37 [INFO] [stdout] | [INFO] [stdout] 71 | ... &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 71 | let _ = &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/controller/client/mod.rs:72:37 [INFO] [stdout] | [INFO] [stdout] 72 | ... &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/controller/client/mod.rs:78:37 [INFO] [stdout] | [INFO] [stdout] 78 | ... &copied_buffer[..].copy_from_slice(&buffer[..length]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = &copied_buffer[..].copy_from_slice(&buffer[..length]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 137 | let _ = &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | &result[3..(3 + identifier_size as usize)].copy_from_slice(job.get_identifier().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = &result[3..(3 + identifier_size as usize)].copy_from_slice(job.get_identifier().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | ... &result[(3 + identifier_size as usize)..(11 + identifier_size as usize)].copy_from_slice(&job.get_execution().timestamp_nanos().to_be_bytes(... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = &result[(3 + identifier_size as usize)..(11 + identifier_size as usize)].copy_from_slice(&job.get_execution().timestamp_nanos().to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:182:17 [INFO] [stdout] | [INFO] [stdout] 182 | &result[1..3].copy_from_slice(&command_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 182 | let _ = &result[1..3].copy_from_slice(&command_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:183:17 [INFO] [stdout] | [INFO] [stdout] 183 | &result[3..].copy_from_slice(command.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 183 | let _ = &result[3..].copy_from_slice(command.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | &result[1..3].copy_from_slice(&dsn_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = &result[1..3].copy_from_slice(&dsn_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:204:17 [INFO] [stdout] | [INFO] [stdout] 204 | &result[3..(3 + dsn_size as usize)].copy_from_slice(dsn.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 204 | let _ = &result[3..(3 + dsn_size as usize)].copy_from_slice(dsn.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | &result[(3 + dsn_size as usize)..(5 + dsn_size as usize)].copy_from_slice(&exchange_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &result[(3 + dsn_size as usize)..(5 + dsn_size as usize)].copy_from_slice(&exchange_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:206:17 [INFO] [stdout] | [INFO] [stdout] 206 | &result[(5 + dsn_size as usize)..(5 + dsn_size as usize + exchange_size as usize)].copy_from_slice(exchange.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 206 | let _ = &result[(5 + dsn_size as usize)..(5 + dsn_size as usize + exchange_size as usize)].copy_from_slice(exchange.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | ... &result[(5 + dsn_size as usize + exchange_size as usize)..(7 + dsn_size as usize + exchange_size as usize)].copy_from_slice(&routing_key_size.to_be_bytes(... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 207 | let _ = &result[(5 + dsn_size as usize + exchange_size as usize)..(7 + dsn_size as usize + exchange_size as usize)].copy_from_slice(&routing_key_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:208:17 [INFO] [stdout] | [INFO] [stdout] 208 | &result[(7 + dsn_size as usize + exchange_size as usize)..].copy_from_slice(routing_key.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 208 | let _ = &result[(7 + dsn_size as usize + exchange_size as usize)..].copy_from_slice(routing_key.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 218 | let _ = &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | &result[3..(3 + identifier_size as usize)].copy_from_slice(rule.get_identifier().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 219 | let _ = &result[3..(3 + identifier_size as usize)].copy_from_slice(rule.get_identifier().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | &result[(3 + identifier_size as usize)..(5 + identifier_size as usize)].copy_from_slice(&pattern_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 220 | let _ = &result[(3 + identifier_size as usize)..(5 + identifier_size as usize)].copy_from_slice(&pattern_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:221:9 [INFO] [stdout] | [INFO] [stdout] 221 | ... &result[(5 + identifier_size as usize)..(5 + identifier_size as usize + pattern_size as usize)].copy_from_slice(rule.get_pattern().as_bytes(... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 221 | let _ = &result[(5 + identifier_size as usize)..(5 + identifier_size as usize + pattern_size as usize)].copy_from_slice(rule.get_pattern().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | &result[(5 + identifier_size as usize + pattern_size as usize)..].copy_from_slice(&encoded_runner); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 222 | let _ = &result[(5 + identifier_size as usize + pattern_size as usize)..].copy_from_slice(&encoded_runner); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/write_ahead_logger/mod.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | &entry[0..4].copy_from_slice(&(data.len() as u32).to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = &entry[0..4].copy_from_slice(&(data.len() as u32).to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/write_ahead_logger/mod.rs:150:17 [INFO] [stdout] | [INFO] [stdout] 150 | &entry[4..].copy_from_slice(data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 150 | let _ = &entry[4..].copy_from_slice(data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/controller/client/mod.rs:71:37 [INFO] [stdout] | [INFO] [stdout] 71 | ... &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 71 | let _ = &copied_buffer[0..bytes_to_parse.len()].copy_from_slice(&bytes_to_parse); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/controller/client/mod.rs:72:37 [INFO] [stdout] | [INFO] [stdout] 72 | ... &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = &copied_buffer[bytes_to_parse.len()..bytes_to_parse.len() + length].copy_from_slice(&buffer[0..length]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/controller/client/mod.rs:78:37 [INFO] [stdout] | [INFO] [stdout] 78 | ... &copied_buffer[..].copy_from_slice(&buffer[..length]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = &copied_buffer[..].copy_from_slice(&buffer[..length]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 137 | let _ = &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | &result[3..(3 + identifier_size as usize)].copy_from_slice(job.get_identifier().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = &result[3..(3 + identifier_size as usize)].copy_from_slice(job.get_identifier().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | ... &result[(3 + identifier_size as usize)..(11 + identifier_size as usize)].copy_from_slice(&job.get_execution().timestamp_nanos().to_be_bytes(... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = &result[(3 + identifier_size as usize)..(11 + identifier_size as usize)].copy_from_slice(&job.get_execution().timestamp_nanos().to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:182:17 [INFO] [stdout] | [INFO] [stdout] 182 | &result[1..3].copy_from_slice(&command_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 182 | let _ = &result[1..3].copy_from_slice(&command_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:183:17 [INFO] [stdout] | [INFO] [stdout] 183 | &result[3..].copy_from_slice(command.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 183 | let _ = &result[3..].copy_from_slice(command.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:203:17 [INFO] [stdout] | [INFO] [stdout] 203 | &result[1..3].copy_from_slice(&dsn_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = &result[1..3].copy_from_slice(&dsn_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:204:17 [INFO] [stdout] | [INFO] [stdout] 204 | &result[3..(3 + dsn_size as usize)].copy_from_slice(dsn.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 204 | let _ = &result[3..(3 + dsn_size as usize)].copy_from_slice(dsn.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | &result[(3 + dsn_size as usize)..(5 + dsn_size as usize)].copy_from_slice(&exchange_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &result[(3 + dsn_size as usize)..(5 + dsn_size as usize)].copy_from_slice(&exchange_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:206:17 [INFO] [stdout] | [INFO] [stdout] 206 | &result[(5 + dsn_size as usize)..(5 + dsn_size as usize + exchange_size as usize)].copy_from_slice(exchange.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 206 | let _ = &result[(5 + dsn_size as usize)..(5 + dsn_size as usize + exchange_size as usize)].copy_from_slice(exchange.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:207:17 [INFO] [stdout] | [INFO] [stdout] 207 | ... &result[(5 + dsn_size as usize + exchange_size as usize)..(7 + dsn_size as usize + exchange_size as usize)].copy_from_slice(&routing_key_size.to_be_bytes(... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 207 | let _ = &result[(5 + dsn_size as usize + exchange_size as usize)..(7 + dsn_size as usize + exchange_size as usize)].copy_from_slice(&routing_key_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:208:17 [INFO] [stdout] | [INFO] [stdout] 208 | &result[(7 + dsn_size as usize + exchange_size as usize)..].copy_from_slice(routing_key.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 208 | let _ = &result[(7 + dsn_size as usize + exchange_size as usize)..].copy_from_slice(routing_key.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 218 | let _ = &result[1..3].copy_from_slice(&identifier_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | &result[3..(3 + identifier_size as usize)].copy_from_slice(rule.get_identifier().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 219 | let _ = &result[3..(3 + identifier_size as usize)].copy_from_slice(rule.get_identifier().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | &result[(3 + identifier_size as usize)..(5 + identifier_size as usize)].copy_from_slice(&pattern_size.to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 220 | let _ = &result[(3 + identifier_size as usize)..(5 + identifier_size as usize)].copy_from_slice(&pattern_size.to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:221:9 [INFO] [stdout] | [INFO] [stdout] 221 | ... &result[(5 + identifier_size as usize)..(5 + identifier_size as usize + pattern_size as usize)].copy_from_slice(rule.get_pattern().as_bytes(... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 221 | let _ = &result[(5 + identifier_size as usize)..(5 + identifier_size as usize + pattern_size as usize)].copy_from_slice(rule.get_pattern().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/encoder.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | &result[(5 + identifier_size as usize + pattern_size as usize)..].copy_from_slice(&encoded_runner); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 222 | let _ = &result[(5 + identifier_size as usize + pattern_size as usize)..].copy_from_slice(&encoded_runner); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/write_ahead_logger/mod.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | &entry[0..4].copy_from_slice(&(data.len() as u32).to_be_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = &entry[0..4].copy_from_slice(&(data.len() as u32).to_be_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/database/storage/write_ahead_logger/mod.rs:150:17 [INFO] [stdout] | [INFO] [stdout] 150 | &entry[4..].copy_from_slice(data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 150 | let _ = &entry[4..].copy_from_slice(data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.61s [INFO] running `Command { std: "docker" "inspect" "3f6e58b68ebaa63f6cb27763be807ede39fa48409969bb2c2ae12b78865df453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f6e58b68ebaa63f6cb27763be807ede39fa48409969bb2c2ae12b78865df453", kill_on_drop: false }` [INFO] [stdout] 3f6e58b68ebaa63f6cb27763be807ede39fa48409969bb2c2ae12b78865df453