[INFO] fetching crate webauthn-authenticator-rs 0.3.0-alpha.6... [INFO] checking webauthn-authenticator-rs-0.3.0-alpha.6 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate webauthn-authenticator-rs 0.3.0-alpha.6 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate webauthn-authenticator-rs 0.3.0-alpha.6 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.6 [INFO] finished tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.6 [INFO] tweaked toml for crates.io crate webauthn-authenticator-rs 0.3.0-alpha.6 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e17245e95d7b558b5c9e12250e29b23acc706df3766d8e3f544d8bb893f3c060 [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" "e17245e95d7b558b5c9e12250e29b23acc706df3766d8e3f544d8bb893f3c060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e17245e95d7b558b5c9e12250e29b23acc706df3766d8e3f544d8bb893f3c060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e17245e95d7b558b5c9e12250e29b23acc706df3766d8e3f544d8bb893f3c060", kill_on_drop: false }` [INFO] [stdout] e17245e95d7b558b5c9e12250e29b23acc706df3766d8e3f544d8bb893f3c060 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44c1e8dd7e49558b028ab7c0e121915e3d4c716a621ece4869e2eb1100ec8afd [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" "44c1e8dd7e49558b028ab7c0e121915e3d4c716a621ece4869e2eb1100ec8afd", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling webauthn-rs v0.3.0-alpha.5 [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 half v1.7.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking runloop v0.1.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Checking serde_json v1.0.62 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Checking rand_core v0.6.1 [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 rand v0.7.3 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking webauthn-authenticator-rs v0.3.0-alpha.6 (/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:290:21 [INFO] [stdout] | [INFO] [stdout] 290 | 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:687:13 [INFO] [stdout] | [INFO] [stdout] 687 | let mut wan = Webauthn::new(wan_c); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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:191:21 [INFO] [stdout] | [INFO] [stdout] 191 | 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:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | / manager.register( [INFO] [stdout] 203 | | flags, [INFO] [stdout] 204 | | timeout_ms, [INFO] [stdout] 205 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 209 | | callback, [INFO] [stdout] 210 | | ); [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:290:21 [INFO] [stdout] | [INFO] [stdout] 290 | 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:301:9 [INFO] [stdout] | [INFO] [stdout] 301 | / manager.sign( [INFO] [stdout] 302 | | flags, [INFO] [stdout] 303 | | timeout_ms, [INFO] [stdout] 304 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 308 | | callback, [INFO] [stdout] 309 | | ); [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] [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:290:21 [INFO] [stdout] | [INFO] [stdout] 290 | Err(RecvError) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_RecvError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_RecvError` should have a snake case name [INFO] [stdout] --> src/u2fhid.rs:191:21 [INFO] [stdout] | [INFO] [stdout] 191 | 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:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | / manager.register( [INFO] [stdout] 203 | | flags, [INFO] [stdout] 204 | | timeout_ms, [INFO] [stdout] 205 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 209 | | callback, [INFO] [stdout] 210 | | ); [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:290:21 [INFO] [stdout] | [INFO] [stdout] 290 | 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:301:9 [INFO] [stdout] | [INFO] [stdout] 301 | / manager.sign( [INFO] [stdout] 302 | | flags, [INFO] [stdout] 303 | | timeout_ms, [INFO] [stdout] 304 | | chal_bytes, [INFO] [stdout] ... | [INFO] [stdout] 308 | | callback, [INFO] [stdout] 309 | | ); [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.07s [INFO] running `Command { std: "docker" "inspect" "44c1e8dd7e49558b028ab7c0e121915e3d4c716a621ece4869e2eb1100ec8afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44c1e8dd7e49558b028ab7c0e121915e3d4c716a621ece4869e2eb1100ec8afd", kill_on_drop: false }` [INFO] [stdout] 44c1e8dd7e49558b028ab7c0e121915e3d4c716a621ece4869e2eb1100ec8afd