[INFO] fetching crate notstd_detect 0.6.0...
[INFO] testing notstd_detect-0.6.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate notstd_detect 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate notstd_detect 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate notstd_detect 0.6.0
[INFO] tweaked toml for crates.io crate notstd_detect 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate notstd_detect 0.6.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate notstd_detect 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-alloc v1.0.1
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706
[INFO] running `Command { std: "docker" "start" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling notstd_detect v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(staged_api, doc_cfg, allow_internal_unstable)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/detect/os/x86.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     } = unsafe { __cpuid(0x0000_0001_u32) };
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/detect/os/x86.rs:78:49
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let CpuidResult { ebx, ecx, edx, .. } = unsafe { __cpuid(0x0000_0007_u32) };
[INFO] [stdout]    |                                                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/detect/os/x86.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         } = unsafe { __cpuid_count(0x0000_0007_u32, 0x0000_0001_u32) };
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/detect/os/x86.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     } = unsafe { __cpuid(0x8000_0000_u32) };
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/detect/os/x86.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let CpuidResult { ecx, .. } = unsafe { __cpuid(0x8000_0001_u32) };
[INFO] [stdout]     |                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/detect/os/x86.rs:150:43
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let CpuidResult { ebx, .. } = unsafe { __cpuid(0x19) };
[INFO] [stdout]     |                                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/detect/os/x86.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |                         } = unsafe { __cpuid_count(0xd_u32, 1) };
[INFO] [stdout]     |                             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/detect/os/x86.rs:275:29
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         } = unsafe { __cpuid_count(0x1e_u32, 1) };
[INFO] [stdout]     |                             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `notstd_detect` (lib) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706", kill_on_drop: false }`
[INFO] [stdout] dd23ea2dce694ac4e8dc0fba6191316589f582f24ec879ff04026cefc6961706
