[INFO] fetching crate hex-simd 0.8.0...
[INFO] checking hex-simd-0.8.0 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate hex-simd 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hex-simd 0.8.0 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hex-simd 0.8.0
[INFO] finished tweaking crates.io crate hex-simd 0.8.0
[INFO] tweaked toml for crates.io crate hex-simd 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded outref v0.5.2
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]   Downloaded vsimd v0.8.0
[INFO] [stderr]   Downloaded minicov v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d6095abd2090d1277dd54d99f3e64a0a68dbee5e57ced9aee1cb02853be258a
[INFO] running `Command { std: "docker" "start" "-a" "2d6095abd2090d1277dd54d99f3e64a0a68dbee5e57ced9aee1cb02853be258a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d6095abd2090d1277dd54d99f3e64a0a68dbee5e57ced9aee1cb02853be258a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6095abd2090d1277dd54d99f3e64a0a68dbee5e57ced9aee1cb02853be258a", kill_on_drop: false }`
[INFO] [stdout] 2d6095abd2090d1277dd54d99f3e64a0a68dbee5e57ced9aee1cb02853be258a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aab938fb207e5cccf3372ac86b5977a3148ca23d179f825b2f125fcefb09e46
[INFO] running `Command { std: "docker" "start" "-a" "7aab938fb207e5cccf3372ac86b5977a3148ca23d179f825b2f125fcefb09e46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking hex-simd v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_attributes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/heap.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hex-simd` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7aab938fb207e5cccf3372ac86b5977a3148ca23d179f825b2f125fcefb09e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aab938fb207e5cccf3372ac86b5977a3148ca23d179f825b2f125fcefb09e46", kill_on_drop: false }`
[INFO] [stdout] 7aab938fb207e5cccf3372ac86b5977a3148ca23d179f825b2f125fcefb09e46