[INFO] fetching crate webauthn-authenticator-rs 0.3.0-alpha.8... [INFO] checking webauthn-authenticator-rs-0.3.0-alpha.8 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate webauthn-authenticator-rs 0.3.0-alpha.8 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate webauthn-authenticator-rs 0.3.0-alpha.8 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.8 [INFO] finished tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.8 [INFO] tweaked toml for crates.io crate webauthn-authenticator-rs 0.3.0-alpha.8 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d23ad77ac18fe6cb742dd86758e813114073c12bbbf2572b66f2bd85003461b9 [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" "d23ad77ac18fe6cb742dd86758e813114073c12bbbf2572b66f2bd85003461b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d23ad77ac18fe6cb742dd86758e813114073c12bbbf2572b66f2bd85003461b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d23ad77ac18fe6cb742dd86758e813114073c12bbbf2572b66f2bd85003461b9", kill_on_drop: false }` [INFO] [stdout] d23ad77ac18fe6cb742dd86758e813114073c12bbbf2572b66f2bd85003461b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4058ef0366468a6babba550e819d406270ae4834dde81870606b355332d1c33e [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" "4058ef0366468a6babba550e819d406270ae4834dde81870606b355332d1c33e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling openssl v0.10.34 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling webauthn-rs v0.3.0-alpha.7 [INFO] [stderr] Compiling authenticator v0.3.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking runloop v0.1.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Checking bitvec v0.19.5 [INFO] [stderr] Compiling openssl-sys v0.9.63 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking webauthn-authenticator-rs v0.3.0-alpha.8 (/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:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | 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:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | 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 39.70s [INFO] running `Command { std: "docker" "inspect" "4058ef0366468a6babba550e819d406270ae4834dde81870606b355332d1c33e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4058ef0366468a6babba550e819d406270ae4834dde81870606b355332d1c33e", kill_on_drop: false }` [INFO] [stdout] 4058ef0366468a6babba550e819d406270ae4834dde81870606b355332d1c33e