[INFO] fetching crate wifi-rs 0.2.4... [INFO] checking wifi-rs-0.2.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate wifi-rs 0.2.4 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate wifi-rs 0.2.4 [INFO] finished tweaking crates.io crate wifi-rs 0.2.4 [INFO] tweaked toml for crates.io crate wifi-rs 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate wifi-rs 0.2.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate wifi-rs 0.2.4 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23e6030a383cc120966764e1b0ac2c44303ec570e3fa879048dedc0c25080e1d [INFO] running `Command { std: "docker" "start" "-a" "23e6030a383cc120966764e1b0ac2c44303ec570e3fa879048dedc0c25080e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23e6030a383cc120966764e1b0ac2c44303ec570e3fa879048dedc0c25080e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23e6030a383cc120966764e1b0ac2c44303ec570e3fa879048dedc0c25080e1d", kill_on_drop: false }` [INFO] [stdout] 23e6030a383cc120966764e1b0ac2c44303ec570e3fa879048dedc0c25080e1d [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdda1f4587f5967c214091c9a971392f759ca4586e10f6150164ed91cab6abc6 [INFO] running `Command { std: "docker" "start" "-a" "fdda1f4587f5967c214091c9a971392f759ca4586e10f6150164ed91cab6abc6", kill_on_drop: false }` [INFO] [stderr] Checking wifi-rs v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `disconnect` is never used [INFO] [stdout] --> src/connectivity/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait Connectivity: fmt::Debug { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 16 | fn disconnect(&self) -> Result; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/connectivity/mod.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | FailedToConnect(String), [INFO] [stdout] | --------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `WifiConnectionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 - FailedToConnect(String), [INFO] [stdout] 26 + FailedToConnect(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/connectivity/mod.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | Other { kind: WifiError }, [INFO] [stdout] | ----- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `WifiConnectionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FailedToDisconnect` is never constructed [INFO] [stdout] --> src/connectivity/mod.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub enum WifiConnectionError { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 28 | FailedToDisconnect(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WifiConnectionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `WifiHotspotError` is never used [INFO] [stdout] --> src/hotspot/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum WifiHotspotError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `WifiHotspot` is never used [INFO] [stdout] --> src/hotspot/mod.rs:24:11 [INFO] [stdout] | [INFO] [stdout] 24 | pub trait WifiHotspot: fmt::Debug + WifiInterface { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `HOTSPOT_GROUP` is never used [INFO] [stdout] --> src/hotspot/providers/linux.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const HOTSPOT_GROUP: &'static str = "Hotspot"; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `band` and `channel` are never read [INFO] [stdout] --> src/hotspot/providers/linux.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct HotspotConfig { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 13 | /// The band tor broadcast network on. [INFO] [stdout] 14 | band: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | /// The channel to broadcast network on. [INFO] [stdout] 16 | channel: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_command_param_from_config` is never used [INFO] [stdout] --> src/hotspot/providers/linux.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn generate_command_param_from_config(configuration: Option<&HotspotConfig>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/platforms/mod.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `WifiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 32 - IoError(io::Error), [INFO] [stdout] 32 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `turn_on` and `turn_off` are never used [INFO] [stdout] --> src/platforms/mod.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub trait WifiInterface: fmt::Debug { [INFO] [stdout] | ------------- associated functions in this trait [INFO] [stdout] ... [INFO] [stdout] 44 | fn turn_on() -> Result<(), WifiError> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn turn_off() -> Result<(), WifiError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `disconnect` is never used [INFO] [stdout] --> src/connectivity/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait Connectivity: fmt::Debug { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 16 | fn disconnect(&self) -> Result; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/connectivity/mod.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | FailedToConnect(String), [INFO] [stdout] | --------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `WifiConnectionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 - FailedToConnect(String), [INFO] [stdout] 26 + FailedToConnect(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/connectivity/mod.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | Other { kind: WifiError }, [INFO] [stdout] | ----- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `WifiConnectionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FailedToDisconnect` is never constructed [INFO] [stdout] --> src/connectivity/mod.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub enum WifiConnectionError { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 28 | FailedToDisconnect(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WifiConnectionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `WifiHotspotError` is never used [INFO] [stdout] --> src/hotspot/mod.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum WifiHotspotError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `WifiHotspot` is never used [INFO] [stdout] --> src/hotspot/mod.rs:24:11 [INFO] [stdout] | [INFO] [stdout] 24 | pub trait WifiHotspot: fmt::Debug + WifiInterface { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `HOTSPOT_GROUP` is never used [INFO] [stdout] --> src/hotspot/providers/linux.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const HOTSPOT_GROUP: &'static str = "Hotspot"; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `band` and `channel` are never read [INFO] [stdout] --> src/hotspot/providers/linux.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct HotspotConfig { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 13 | /// The band tor broadcast network on. [INFO] [stdout] 14 | band: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | /// The channel to broadcast network on. [INFO] [stdout] 16 | channel: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_command_param_from_config` is never used [INFO] [stdout] --> src/hotspot/providers/linux.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn generate_command_param_from_config(configuration: Option<&HotspotConfig>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/platforms/mod.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | IoError(io::Error), [INFO] [stdout] | ------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `WifiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 32 - IoError(io::Error), [INFO] [stdout] 32 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `turn_on` and `turn_off` are never used [INFO] [stdout] --> src/platforms/mod.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 37 | pub trait WifiInterface: fmt::Debug { [INFO] [stdout] | ------------- associated functions in this trait [INFO] [stdout] ... [INFO] [stdout] 44 | fn turn_on() -> Result<(), WifiError> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn turn_off() -> Result<(), WifiError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "fdda1f4587f5967c214091c9a971392f759ca4586e10f6150164ed91cab6abc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdda1f4587f5967c214091c9a971392f759ca4586e10f6150164ed91cab6abc6", kill_on_drop: false }` [INFO] [stdout] fdda1f4587f5967c214091c9a971392f759ca4586e10f6150164ed91cab6abc6