[INFO] fetching crate webauthn-authenticator-rs 0.3.0-alpha.7... [INFO] checking webauthn-authenticator-rs-0.3.0-alpha.7 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate webauthn-authenticator-rs 0.3.0-alpha.7 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate webauthn-authenticator-rs 0.3.0-alpha.7 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.7 [INFO] finished tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.7 [INFO] tweaked toml for crates.io crate webauthn-authenticator-rs 0.3.0-alpha.7 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nom v5.1.2 [INFO] [stderr] Downloaded devd-rs v0.3.1 [INFO] [stderr] Downloaded authenticator v0.3.1 [INFO] [stderr] Downloaded webauthn-rs v0.3.0-alpha.7 [INFO] [stderr] Downloaded runloop v0.1.0 [INFO] [stderr] Downloaded libudev-sys v0.1.4 [INFO] [stderr] Downloaded libudev v0.2.0 [INFO] [stderr] Downloaded bitvec v0.19.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 959f30f55ce0c1599fc167248cd803d283f535cac4c8eef09adffd4042cd1cf3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "959f30f55ce0c1599fc167248cd803d283f535cac4c8eef09adffd4042cd1cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "959f30f55ce0c1599fc167248cd803d283f535cac4c8eef09adffd4042cd1cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "959f30f55ce0c1599fc167248cd803d283f535cac4c8eef09adffd4042cd1cf3", kill_on_drop: false }` [INFO] [stdout] 959f30f55ce0c1599fc167248cd803d283f535cac4c8eef09adffd4042cd1cf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] af2ac1e7a3d813307c95b40978c0895079dff6ce12af62ea3554af4e8c161d2a [INFO] running `Command { std: "docker" "start" "-a" "af2ac1e7a3d813307c95b40978c0895079dff6ce12af62ea3554af4e8c161d2a", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling lexical-core v0.7.5 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling webauthn-rs v0.3.0-alpha.7 [INFO] [stderr] Compiling authenticator v0.3.1 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking runloop v0.1.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking bitvec v0.19.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking webauthn-authenticator-rs v0.3.0-alpha.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `timeout_ms` [INFO] [stdout] --> src/softtok.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | timeout_ms: u64, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_ms` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout_ms` [INFO] [stdout] --> src/softtok.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | timeout_ms: u64, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_ms` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `RecvError` [INFO] [stdout] --> src/u2fhid.rs:298:21 [INFO] [stdout] | [INFO] [stdout] 298 | Err(RecvError) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RecvError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout_ms` [INFO] [stdout] --> src/softtok.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | timeout_ms: u64, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_ms` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout_ms` [INFO] [stdout] --> src/softtok.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | timeout_ms: u64, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout_ms` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `RecvError` [INFO] [stdout] --> src/u2fhid.rs:298:21 [INFO] [stdout] | [INFO] [stdout] 298 | Err(RecvError) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RecvError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:635:13 [INFO] [stdout] | [INFO] [stdout] 635 | let mut wan = Webauthn::new(wan_c); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:685:13 [INFO] [stdout] | [INFO] [stdout] 685 | let mut wan = Webauthn::new(wan_c); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_RecvError` should have a snake case name [INFO] [stdout] --> src/u2fhid.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 195 | Err(_RecvError) => { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `_recv_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/u2fhid.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | / manager.register( [INFO] [stdout] 207 | | flags, [INFO] [stdout] 208 | | timeout_ms, [INFO] [stdout] 209 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 213 | | callback, [INFO] [stdout] 214 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `RecvError` should have a snake case name [INFO] [stdout] --> src/u2fhid.rs:298:21 [INFO] [stdout] | [INFO] [stdout] 298 | Err(RecvError) => { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `recv_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/u2fhid.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | / manager.sign( [INFO] [stdout] 310 | | flags, [INFO] [stdout] 311 | | timeout_ms, [INFO] [stdout] 312 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 316 | | callback, [INFO] [stdout] 317 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `CHALLENGE_SIZE_BYTES` [INFO] [stdout] --> src/lib.rs:573:5 [INFO] [stdout] | [INFO] [stdout] 573 | pub const CHALLENGE_SIZE_BYTES: usize = 32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_RecvError` should have a snake case name [INFO] [stdout] --> src/u2fhid.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 195 | Err(_RecvError) => { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `_recv_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/u2fhid.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | / manager.register( [INFO] [stdout] 207 | | flags, [INFO] [stdout] 208 | | timeout_ms, [INFO] [stdout] 209 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 213 | | callback, [INFO] [stdout] 214 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `RecvError` should have a snake case name [INFO] [stdout] --> src/u2fhid.rs:298:21 [INFO] [stdout] | [INFO] [stdout] 298 | Err(RecvError) => { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `recv_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/u2fhid.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | / manager.sign( [INFO] [stdout] 310 | | flags, [INFO] [stdout] 311 | | timeout_ms, [INFO] [stdout] 312 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 316 | | callback, [INFO] [stdout] 317 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.18s [INFO] running `Command { std: "docker" "inspect" "af2ac1e7a3d813307c95b40978c0895079dff6ce12af62ea3554af4e8c161d2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af2ac1e7a3d813307c95b40978c0895079dff6ce12af62ea3554af4e8c161d2a", kill_on_drop: false }` [INFO] [stdout] af2ac1e7a3d813307c95b40978c0895079dff6ce12af62ea3554af4e8c161d2a