[INFO] fetching crate webauthn-authenticator-rs 0.3.0-alpha.12...
[INFO] checking webauthn-authenticator-rs-0.3.0-alpha.12 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate webauthn-authenticator-rs 0.3.0-alpha.12 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate webauthn-authenticator-rs 0.3.0-alpha.12 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.12
[INFO] finished tweaking crates.io crate webauthn-authenticator-rs 0.3.0-alpha.12
[INFO] tweaked toml for crates.io crate webauthn-authenticator-rs 0.3.0-alpha.12 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brownstone v1.0.1
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded devd-rs v0.3.3
[INFO] [stderr]   Downloaded nom-supreme v0.6.0
[INFO] [stderr]   Downloaded joinery v2.1.0
[INFO] [stderr]   Downloaded authenticator v0.3.1
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded minimal-lexical v0.2.1
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded webauthn-rs v0.3.0
[INFO] [stderr]   Downloaded runloop v0.1.0
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7414c6c967dbf7296665a5c1896e705f80ad2432c04f30ecaba4db4be53840e9
[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" "7414c6c967dbf7296665a5c1896e705f80ad2432c04f30ecaba4db4be53840e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7414c6c967dbf7296665a5c1896e705f80ad2432c04f30ecaba4db4be53840e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7414c6c967dbf7296665a5c1896e705f80ad2432c04f30ecaba4db4be53840e9", kill_on_drop: false }`
[INFO] [stdout] 7414c6c967dbf7296665a5c1896e705f80ad2432c04f30ecaba4db4be53840e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 507a30a605b4f4f2658fade12817441d4490b4baae8751547c9295446b848459
[INFO] running `Command { std: "docker" "start" "-a" "507a30a605b4f4f2658fade12817441d4490b4baae8751547c9295446b848459", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling authenticator v0.3.1
[INFO] [stderr]    Compiling webauthn-rs v0.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking runloop v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking webauthn-authenticator-rs v0.3.0-alpha.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `att_cert`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     att_cert: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signature`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     signature: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `appid`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     appid: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `att_cert`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     att_cert: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signature`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     signature: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `appid`
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     appid: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "507a30a605b4f4f2658fade12817441d4490b4baae8751547c9295446b848459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507a30a605b4f4f2658fade12817441d4490b4baae8751547c9295446b848459", kill_on_drop: false }`
[INFO] [stdout] 507a30a605b4f4f2658fade12817441d4490b4baae8751547c9295446b848459