[INFO] fetching crate webusb 0.3.0... [INFO] checking webusb-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate webusb 0.3.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate webusb 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/source/.cargo/config [INFO] started tweaking crates.io crate webusb 0.3.0 [INFO] finished tweaking crates.io crate webusb 0.3.0 [INFO] tweaked toml for crates.io crate webusb 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate webusb 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded flaky_test v0.1.0 [INFO] [stderr] Downloaded rusb v0.8.1 [INFO] [stderr] Downloaded libusb1-sys v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5179b1dc1ef171932a7470f43e84be676fb9a66de381639a0910594c42f7b89 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f5179b1dc1ef171932a7470f43e84be676fb9a66de381639a0910594c42f7b89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5179b1dc1ef171932a7470f43e84be676fb9a66de381639a0910594c42f7b89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5179b1dc1ef171932a7470f43e84be676fb9a66de381639a0910594c42f7b89", kill_on_drop: false }` [INFO] [stdout] f5179b1dc1ef171932a7470f43e84be676fb9a66de381639a0910594c42f7b89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a44ba85ac9c128563797f5b20885a234498f8ec9f1ba81cad3d58f391f129c44 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a44ba85ac9c128563797f5b20885a234498f8ec9f1ba81cad3d58f391f129c44", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling rusb v0.8.1 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling libusb1-sys v0.5.0 [INFO] [stderr] Checking webusb v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:587:11 [INFO] [stdout] | [INFO] [stdout] 587 | let mut active_configuration = [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:594:14 [INFO] [stdout] | [INFO] [stdout] 594 | Some(mut i) => i, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:636:11 [INFO] [stdout] | [INFO] [stdout] 636 | let mut active_configuration = [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:643:14 [INFO] [stdout] | [INFO] [stdout] 643 | Some(mut i) => i, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:688:11 [INFO] [stdout] | [INFO] [stdout] 688 | let mut active_configuration = [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:690:11 [INFO] [stdout] | [INFO] [stdout] 690 | let mut interface = match active_configuration [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:695:14 [INFO] [stdout] | [INFO] [stdout] 695 | Some(mut i) => i, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interface` [INFO] [stdout] --> src/lib.rs:437:15 [INFO] [stdout] | [INFO] [stdout] 437 | let interface = configuration [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `configuration_name` [INFO] [stdout] --> src/lib.rs:82:3 [INFO] [stdout] | [INFO] [stdout] 82 | configuration_name: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `alternate` [INFO] [stdout] --> src/lib.rs:136:3 [INFO] [stdout] | [INFO] [stdout] 136 | alternate: UsbAlternateInterface, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `packet_size` [INFO] [stdout] --> src/lib.rs:222:3 [INFO] [stdout] | [INFO] [stdout] 222 | packet_size: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `alternate_setting` [INFO] [stdout] --> src/lib.rs:253:3 [INFO] [stdout] | [INFO] [stdout] 253 | alternate_setting: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_class` [INFO] [stdout] --> src/lib.rs:254:3 [INFO] [stdout] | [INFO] [stdout] 254 | interface_class: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_subclass` [INFO] [stdout] --> src/lib.rs:255:3 [INFO] [stdout] | [INFO] [stdout] 255 | interface_subclass: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_protocol` [INFO] [stdout] --> src/lib.rs:256:3 [INFO] [stdout] | [INFO] [stdout] 256 | interface_protocol: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_name` [INFO] [stdout] --> src/lib.rs:257:3 [INFO] [stdout] | [INFO] [stdout] 257 | interface_name: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `kGetDescriptorRequest` should have a snake case name [INFO] [stdout] --> src/lib.rs:1171:11 [INFO] [stdout] | [INFO] [stdout] 1171 | let kGetDescriptorRequest = 0x06; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `k_get_descriptor_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling flaky_test v0.1.0 [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> examples/blink.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/lib.rs:1357:7 [INFO] [stdout] | [INFO] [stdout] 1357 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/lib.rs:1358:7 [INFO] [stdout] | [INFO] [stdout] 1358 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/lib.rs:1359:7 [INFO] [stdout] | [INFO] [stdout] 1359 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:587:11 [INFO] [stdout] | [INFO] [stdout] 587 | let mut active_configuration = [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:594:14 [INFO] [stdout] | [INFO] [stdout] 594 | Some(mut i) => i, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:636:11 [INFO] [stdout] | [INFO] [stdout] 636 | let mut active_configuration = [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:643:14 [INFO] [stdout] | [INFO] [stdout] 643 | Some(mut i) => i, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:688:11 [INFO] [stdout] | [INFO] [stdout] 688 | let mut active_configuration = [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:690:11 [INFO] [stdout] | [INFO] [stdout] 690 | let mut interface = match active_configuration [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:695:14 [INFO] [stdout] | [INFO] [stdout] 695 | Some(mut i) => i, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interface` [INFO] [stdout] --> src/lib.rs:437:15 [INFO] [stdout] | [INFO] [stdout] 437 | let interface = configuration [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1373:9 [INFO] [stdout] | [INFO] [stdout] 1373 | let mut device = test_device().await; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `configuration_name` [INFO] [stdout] --> src/lib.rs:82:3 [INFO] [stdout] | [INFO] [stdout] 82 | configuration_name: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `alternate` [INFO] [stdout] --> src/lib.rs:136:3 [INFO] [stdout] | [INFO] [stdout] 136 | alternate: UsbAlternateInterface, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `packet_size` [INFO] [stdout] --> src/lib.rs:222:3 [INFO] [stdout] | [INFO] [stdout] 222 | packet_size: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `alternate_setting` [INFO] [stdout] --> src/lib.rs:253:3 [INFO] [stdout] | [INFO] [stdout] 253 | alternate_setting: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_class` [INFO] [stdout] --> src/lib.rs:254:3 [INFO] [stdout] | [INFO] [stdout] 254 | interface_class: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_subclass` [INFO] [stdout] --> src/lib.rs:255:3 [INFO] [stdout] | [INFO] [stdout] 255 | interface_subclass: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_protocol` [INFO] [stdout] --> src/lib.rs:256:3 [INFO] [stdout] | [INFO] [stdout] 256 | interface_protocol: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interface_name` [INFO] [stdout] --> src/lib.rs:257:3 [INFO] [stdout] | [INFO] [stdout] 257 | interface_name: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `kGetDescriptorRequest` should have a snake case name [INFO] [stdout] --> src/lib.rs:1171:11 [INFO] [stdout] | [INFO] [stdout] 1171 | let kGetDescriptorRequest = 0x06; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `k_get_descriptor_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.55s [INFO] running `Command { std: "docker" "inspect" "a44ba85ac9c128563797f5b20885a234498f8ec9f1ba81cad3d58f391f129c44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a44ba85ac9c128563797f5b20885a234498f8ec9f1ba81cad3d58f391f129c44", kill_on_drop: false }` [INFO] [stdout] a44ba85ac9c128563797f5b20885a234498f8ec9f1ba81cad3d58f391f129c44