[INFO] fetching crate authenticator-ctap2-2021 0.3.2-dev.1...
[INFO] checking authenticator-ctap2-2021-0.3.2-dev.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate authenticator-ctap2-2021 0.3.2-dev.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate authenticator-ctap2-2021 0.3.2-dev.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-1-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6888bc76f213f2c6c755e7ecaca15a67c9b451e964a9a7053dc36efbca48ec82
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[INFO] running `Command { std: "docker" "inspect" "6888bc76f213f2c6c755e7ecaca15a67c9b451e964a9a7053dc36efbca48ec82", kill_on_drop: false }`
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[INFO] [stdout] e7c8a664b5bb10f9d9e01ad6fe298575e7f82e322bc8e5660699c8cf4191b1e7
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[INFO] [stderr]    Compiling authenticator-ctap2-2021 v0.3.2-dev.1 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/make_credentials.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 | use serde_cbor::{self, de::from_slice, ser, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2/attestation.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/ctap2/server.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::{Into, TryFrom};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2_capi.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/transport/hid.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::Eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U2FDevice` is imported redundantly
[INFO] [stdout]    --> src/ctap2/commands/get_info.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |     use super::*;
[INFO] [stdout]     |         -------- the item `U2FDevice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 489 |     use crate::u2ftypes::U2FDevice;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice` is imported redundantly
[INFO] [stdout]    --> src/ctap2/commands/get_info.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |     use super::*;
[INFO] [stdout]     |         -------- the item `from_slice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 491 |     use serde_cbor::de::from_slice;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/make_credentials.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 | use serde_cbor::{self, de::from_slice, ser, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U2FDevice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/reset.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `U2FDevice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 63 |     use crate::u2ftypes::U2FDevice;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/reset.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `from_slice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/reset.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U2FDevice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/selection.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `U2FDevice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 63 |     use crate::u2ftypes::U2FDevice;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/selection.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `from_slice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/selection.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice_stream` is imported redundantly
[INFO] [stdout]    --> src/ctap2/attestation.rs:589:9
[INFO] [stdout]     |
[INFO] [stdout] 589 |     use super::super::utils::from_slice_stream;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 590 |     use super::*;
[INFO] [stdout]     |         -------- the item `from_slice_stream` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/ctap2/server.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::{Into, TryFrom};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2_capi.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/transport/hid.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::Eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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; 23 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; 23 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; 37 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; 37 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e7c8a664b5bb10f9d9e01ad6fe298575e7f82e322bc8e5660699c8cf4191b1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c8a664b5bb10f9d9e01ad6fe298575e7f82e322bc8e5660699c8cf4191b1e7", kill_on_drop: false }`
[INFO] [stdout] e7c8a664b5bb10f9d9e01ad6fe298575e7f82e322bc8e5660699c8cf4191b1e7
[INFO] checking authenticator-ctap2-2021-0.3.2-dev.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate authenticator-ctap2-2021 0.3.2-dev.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate authenticator-ctap2-2021 0.3.2-dev.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-1-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b08fc05561338d974dbccd021bdd2a19241cae14a96d6dcfeec0d04812be82c2
[INFO] running `Command { std: "docker" "start" "-a" "b08fc05561338d974dbccd021bdd2a19241cae14a96d6dcfeec0d04812be82c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b08fc05561338d974dbccd021bdd2a19241cae14a96d6dcfeec0d04812be82c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08fc05561338d974dbccd021bdd2a19241cae14a96d6dcfeec0d04812be82c2", kill_on_drop: false }`
[INFO] [stdout] b08fc05561338d974dbccd021bdd2a19241cae14a96d6dcfeec0d04812be82c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d1366e5a5a2478cc9d094c2c087acc9063471b688ae31add386e7180beca93
[INFO] running `Command { std: "docker" "start" "-a" "84d1366e5a5a2478cc9d094c2c087acc9063471b688ae31add386e7180beca93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling authenticator-ctap2-2021 v0.3.2-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking runloop v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/make_credentials.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 | use serde_cbor::{self, de::from_slice, ser, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2/attestation.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U2FDevice` is imported redundantly
[INFO] [stdout]    --> src/ctap2/commands/get_info.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |     use super::*;
[INFO] [stdout]     |         -------- the item `U2FDevice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 489 |     use crate::u2ftypes::U2FDevice;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice` is imported redundantly
[INFO] [stdout]    --> src/ctap2/commands/get_info.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |     use super::*;
[INFO] [stdout]     |         -------- the item `from_slice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 491 |     use serde_cbor::de::from_slice;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/make_credentials.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 | use serde_cbor::{self, de::from_slice, ser, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U2FDevice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/reset.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `U2FDevice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 63 |     use crate::u2ftypes::U2FDevice;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/reset.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `from_slice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/reset.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `U2FDevice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/selection.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `U2FDevice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 63 |     use crate::u2ftypes::U2FDevice;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/selection.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `from_slice` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]   --> src/ctap2/commands/selection.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use super::*;
[INFO] [stdout]    |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 65 |     use serde_cbor::{de::from_slice, Value};
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_slice_stream` is imported redundantly
[INFO] [stdout]    --> src/ctap2/attestation.rs:589:9
[INFO] [stdout]     |
[INFO] [stdout] 589 |     use super::super::utils::from_slice_stream;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 590 |     use super::*;
[INFO] [stdout]     |         -------- the item `from_slice_stream` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/ctap2/server.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::{Into, TryFrom};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2_capi.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/transport/hid.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::Eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/ctap2/server.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::{Into, TryFrom};
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/ctap2_capi.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/transport/hid.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::Eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[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; 23 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; 23 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; 37 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; 37 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "84d1366e5a5a2478cc9d094c2c087acc9063471b688ae31add386e7180beca93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d1366e5a5a2478cc9d094c2c087acc9063471b688ae31add386e7180beca93", kill_on_drop: false }`
[INFO] [stdout] 84d1366e5a5a2478cc9d094c2c087acc9063471b688ae31add386e7180beca93
