[INFO] fetching crate authenticator-ctap2-2021 0.3.2-dev.1...
[INFO] checking authenticator-ctap2-2021-0.3.2-dev.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate authenticator-ctap2-2021 0.3.2-dev.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate authenticator-ctap2-2021 0.3.2-dev.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate authenticator-ctap2-2021 0.3.2-dev.1
[INFO] finished tweaking crates.io crate authenticator-ctap2-2021 0.3.2-dev.1
[INFO] tweaked toml for crates.io crate authenticator-ctap2-2021 0.3.2-dev.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate authenticator-ctap2-2021 0.3.2-dev.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 362b39fbd18723b744e6e3d5c4e1c2ba56b698d9fdd52017736af5e55f980985
[INFO] running `Command { std: "docker" "start" "-a" "362b39fbd18723b744e6e3d5c4e1c2ba56b698d9fdd52017736af5e55f980985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362b39fbd18723b744e6e3d5c4e1c2ba56b698d9fdd52017736af5e55f980985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362b39fbd18723b744e6e3d5c4e1c2ba56b698d9fdd52017736af5e55f980985", kill_on_drop: false }`
[INFO] [stdout] 362b39fbd18723b744e6e3d5c4e1c2ba56b698d9fdd52017736af5e55f980985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb9dfda171061ad89febff04dc690fdcc6431a4a0d3996c90b9f79e386a548f3
[INFO] running `Command { std: "docker" "start" "-a" "fb9dfda171061ad89febff04dc690fdcc6431a4a0d3996c90b9f79e386a548f3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.136
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[INFO] [stderr]    Compiling authenticator-ctap2-2021 v0.3.2-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itoa v1.0.1
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[INFO] [stdout] warning: unused import: `crate::consts::U2F_AUTHENTICATE`
[INFO] [stdout]   --> src/status_update.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     use crate::consts::U2F_AUTHENTICATE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/statemachine.rs:844:35
[INFO] [stdout]     |
[INFO] [stdout] 844 |             move |info, selector, status, _alive| {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[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/statemachine.rs:845:21
[INFO] [stdout]     |
[INFO] [stdout] 845 |                 let mut dev = match Self::init_and_select(info, &selector, false) {
[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] error[E0170]: pattern binding `Timeout` is named the same as one of the variants of the type `std::sync::mpsc::RecvTimeoutError`
[INFO] [stdout]    --> src/manager.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: to match on the variant, qualify the path: `std::sync::mpsc::RecvTimeoutError::Timeout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/manager.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     Err(RecvTimeoutError::Disconnected) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Timeout`
[INFO] [stdout]    --> src/manager.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/manager.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         timeout: u64,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/manager.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         status: Sender<crate::StatusUpdate>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]    --> src/manager.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         callback: StateCallback<crate::Result<crate::InfoResult>>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `Timeout` is named the same as one of the variants of the type `std::sync::mpsc::RecvTimeoutError`
[INFO] [stdout]    --> src/manager.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: to match on the variant, qualify the path: `std::sync::mpsc::RecvTimeoutError::Timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/manager.rs:381:21
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Err(RecvTimeoutError::Disconnected) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Timeout`
[INFO] [stdout]    --> src/manager.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/statemachine.rs:844:35
[INFO] [stdout]     |
[INFO] [stdout] 844 |             move |info, selector, status, _alive| {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[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/statemachine.rs:845:21
[INFO] [stdout]     |
[INFO] [stdout] 845 |                 let mut dev = match Self::init_and_select(info, &selector, false) {
[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] error[E0170]: pattern binding `Timeout` is named the same as one of the variants of the type `std::sync::mpsc::RecvTimeoutError`
[INFO] [stdout]    --> src/manager.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: to match on the variant, qualify the path: `std::sync::mpsc::RecvTimeoutError::Timeout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/manager.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     Err(RecvTimeoutError::Disconnected) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Timeout`
[INFO] [stdout]    --> src/manager.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/manager.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         timeout: u64,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/manager.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         status: Sender<crate::StatusUpdate>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]    --> src/manager.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         callback: StateCallback<crate::Result<crate::InfoResult>>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0170]: pattern binding `Timeout` is named the same as one of the variants of the type `std::sync::mpsc::RecvTimeoutError`
[INFO] [stdout]    --> src/manager.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: to match on the variant, qualify the path: `std::sync::mpsc::RecvTimeoutError::Timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/manager.rs:381:21
[INFO] [stdout]     |
[INFO] [stdout] 381 |                     Err(RecvTimeoutError::Disconnected) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Timeout`
[INFO] [stdout]    --> src/manager.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DeviceSelectorEventMarker` is never used
[INFO] [stdout]   --> src/transport/device_selector.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait DeviceSelectorEventMarker {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Timeout` should have a snake case name
[INFO] [stdout]    --> src/manager.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: convert the identifier to snake case: `timeout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Timeout` should have a snake case name
[INFO] [stdout]    --> src/manager.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: convert the identifier to snake case: `timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/capi.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Box::from_raw(mgr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let _ = Box::from_raw(mgr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/capi.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Box::from_raw(ids);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = Box::from_raw(ids);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/capi.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         Box::from_raw(khs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = Box::from_raw(khs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/capi.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         Box::from_raw(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let _ = Box::from_raw(res);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/ctap2_capi.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Box::from_raw(mgr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = Box::from_raw(mgr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ctap2_capi.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         Box::from_raw(khs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = Box::from_raw(khs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `authenticator-ctap2-2021` (lib) due to 3 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `is_negative` is never used
[INFO] [stdout]   --> src/util.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Signed {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 21 |     fn is_negative(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_unix_result` is never used
[INFO] [stdout]   --> src/util.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn from_unix_result<T: Signed>(rv: T) -> io::Result<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DeviceSelectorEventMarker` is never used
[INFO] [stdout]   --> src/transport/device_selector.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait DeviceSelectorEventMarker {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Cancel` is never constructed
[INFO] [stdout]   --> src/transport/device_selector.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum DeviceSelectorEvent {
[INFO] [stdout]    |          ------------------- variant in this enum
[INFO] [stdout] 30 |     Cancel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeviceSelectorEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `runloop` is never read
[INFO] [stdout]   --> src/transport/device_selector.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct DeviceSelector {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     runloop: RunLoop,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clone_sender` and `stop` are never used
[INFO] [stdout]    --> src/transport/device_selector.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 46  | impl DeviceSelector {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 184 |     pub fn clone_sender(&self) -> Sender<DeviceSelectorEvent> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn stop(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Timeout` should have a snake case name
[INFO] [stdout]    --> src/manager.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: convert the identifier to snake case: `timeout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Timeout` should have a snake case name
[INFO] [stdout]    --> src/manager.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                     Err(Timeout) => { /* continue */ }
[INFO] [stdout]     |                         ^^^^^^^ help: convert the identifier to snake case: `timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/capi.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Box::from_raw(mgr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let _ = Box::from_raw(mgr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/capi.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Box::from_raw(ids);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let _ = Box::from_raw(ids);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/capi.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         Box::from_raw(khs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = Box::from_raw(khs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/capi.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         Box::from_raw(res);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let _ = Box::from_raw(res);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/ctap2_capi.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Box::from_raw(mgr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let _ = Box::from_raw(mgr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ctap2_capi.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         Box::from_raw(khs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = Box::from_raw(khs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `authenticator-ctap2-2021` (lib test) due to 3 previous errors; 24 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fb9dfda171061ad89febff04dc690fdcc6431a4a0d3996c90b9f79e386a548f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9dfda171061ad89febff04dc690fdcc6431a4a0d3996c90b9f79e386a548f3", kill_on_drop: false }`
[INFO] [stdout] fb9dfda171061ad89febff04dc690fdcc6431a4a0d3996c90b9f79e386a548f3
