[INFO] fetching crate crate_usb 0.1.0... [INFO] testing crate_usb-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate crate_usb 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate crate_usb 0.1.0 [INFO] finished tweaking crates.io crate crate_usb 0.1.0 [INFO] tweaked toml for crates.io crate crate_usb 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate crate_usb 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages to latest compatible versions [INFO] [stderr] Adding core-foundation v0.10.0 (available: v0.10.1) [INFO] [stderr] Adding quote v1.0.40 (available: v1.0.42) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serialport v4.8.1 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7807ba87b4454f8161d89c335c8ccf8923a2a31c21311e79ee819f3eafe7966f [INFO] running `Command { std: "docker" "start" "-a" "7807ba87b4454f8161d89c335c8ccf8923a2a31c21311e79ee819f3eafe7966f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7807ba87b4454f8161d89c335c8ccf8923a2a31c21311e79ee819f3eafe7966f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7807ba87b4454f8161d89c335c8ccf8923a2a31c21311e79ee819f3eafe7966f", kill_on_drop: false }` [INFO] [stdout] 7807ba87b4454f8161d89c335c8ccf8923a2a31c21311e79ee819f3eafe7966f [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" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db40ace3da6c1576a018f899d99f3a6b0beac4a5a1b5e3e44acb1e422bf25528 [INFO] running `Command { std: "docker" "start" "-a" "db40ace3da6c1576a018f899d99f3a6b0beac4a5a1b5e3e44acb1e422bf25528", kill_on_drop: false }` [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling nix v0.26.4 [INFO] [stderr] Compiling mio v1.1.0 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling libudev v0.3.0 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling unescaper v0.1.6 [INFO] [stderr] Compiling serialport v4.8.1 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling crate_usb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/lib.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/mod_usb/usb_serial.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `count` is never read [INFO] [stdout] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stdout] | [INFO] [stdout] 217 | ... count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stdout] | [INFO] [stdout] 217 | ... count += 1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/mod_usb/usb_serial.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `count` is never read [INFO] [stdout] --> src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | ... count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | ... count += 1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.11s [INFO] running `Command { std: "docker" "inspect" "db40ace3da6c1576a018f899d99f3a6b0beac4a5a1b5e3e44acb1e422bf25528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db40ace3da6c1576a018f899d99f3a6b0beac4a5a1b5e3e44acb1e422bf25528", kill_on_drop: false }` [INFO] [stdout] db40ace3da6c1576a018f899d99f3a6b0beac4a5a1b5e3e44acb1e422bf25528 [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" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6637b87092a66f9f21860147555334897acf7aef49dc43ae29aeb6893fd6f182 [INFO] running `Command { std: "docker" "start" "-a" "6637b87092a66f9f21860147555334897acf7aef49dc43ae29aeb6893fd6f182", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/lib.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/mod_usb/usb_serial.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `count` is never read [INFO] [stdout] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stdout] | [INFO] [stdout] 217 | ... count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stdout] | [INFO] [stdout] 217 | ... count += 1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crate_usb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/mod_usb/usb_serial.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `count` is never read [INFO] [stdout] --> src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | ... count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | ... count += 1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/lib.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/mod_usb/usb_serial.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `count` is never read [INFO] [stdout] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stdout] | [INFO] [stdout] 217 | ... count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stdout] | [INFO] [stdout] 217 | ... count += 1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/mod_usb/usb_serial.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `count` is never read [INFO] [stdout] --> src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | ... count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/lib.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | ... count += 1; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/lib.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let mut count = 0; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "6637b87092a66f9f21860147555334897acf7aef49dc43ae29aeb6893fd6f182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6637b87092a66f9f21860147555334897acf7aef49dc43ae29aeb6893fd6f182", kill_on_drop: false }` [INFO] [stdout] 6637b87092a66f9f21860147555334897acf7aef49dc43ae29aeb6893fd6f182 [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" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2beb690e0ad6d86b77c1abb1790df0136cb05da5e5ac6fd0b8646b718dc39ccc [INFO] running `Command { std: "docker" "start" "-a" "2beb690e0ad6d86b77c1abb1790df0136cb05da5e5ac6fd0b8646b718dc39ccc", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Deserializer` [INFO] [stderr] --> src/lib.rs:3:26 [INFO] [stderr] | [INFO] [stderr] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Deserializer` [INFO] [stderr] --> src/mod_usb/usb_serial.rs:3:26 [INFO] [stderr] | [INFO] [stderr] 3 | use serde::{Deserialize, Deserializer, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value captured by `count` is never read [INFO] [stderr] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stderr] | [INFO] [stderr] 217 | ... count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: did you mean to capture by reference instead? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/mod_usb/usb_serial.rs:217:29 [INFO] [stderr] | [INFO] [stderr] 217 | ... count += 1; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/mod_usb/usb_serial.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value captured by `count` is never read [INFO] [stderr] --> src/lib.rs:185:29 [INFO] [stderr] | [INFO] [stderr] 185 | ... count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: did you mean to capture by reference instead? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/lib.rs:185:29 [INFO] [stderr] | [INFO] [stderr] 185 | ... count += 1; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/lib.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 161 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: `crate_usb` (lib) generated 8 warnings (run `cargo fix --lib -p crate_usb` to apply 4 suggestions) [INFO] [stderr] warning: `crate_usb` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crate_usb-de0e21d9586585fa) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test mod_usb::usb_serial::tests::test_get_serial_port ... ok [INFO] [stdout] test tests::test_get_serial_port ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] Doc-tests crate_usb [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" "2beb690e0ad6d86b77c1abb1790df0136cb05da5e5ac6fd0b8646b718dc39ccc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2beb690e0ad6d86b77c1abb1790df0136cb05da5e5ac6fd0b8646b718dc39ccc", kill_on_drop: false }` [INFO] [stdout] 2beb690e0ad6d86b77c1abb1790df0136cb05da5e5ac6fd0b8646b718dc39ccc