[INFO] fetching crate atopology 0.0.25...
[INFO] checking atopology-0.0.25 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate atopology 0.0.25 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate atopology 0.0.25 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atopology 0.0.25
[INFO] finished tweaking crates.io crate atopology 0.0.25
[INFO] tweaked toml for crates.io crate atopology 0.0.25 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca2d293433c5133e2b09b0e85470c3312364356be2e8bd22dcc60c7d6a07a5f8
[INFO] running `Command { std: "docker" "start" "-a" "ca2d293433c5133e2b09b0e85470c3312364356be2e8bd22dcc60c7d6a07a5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca2d293433c5133e2b09b0e85470c3312364356be2e8bd22dcc60c7d6a07a5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2d293433c5133e2b09b0e85470c3312364356be2e8bd22dcc60c7d6a07a5f8", kill_on_drop: false }`
[INFO] [stdout] ca2d293433c5133e2b09b0e85470c3312364356be2e8bd22dcc60c7d6a07a5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dcab42adf3c18fc5d5ae4ae82b12e6b78c5fca9b5a3693d73841599071a1331
[INFO] running `Command { std: "docker" "start" "-a" "7dcab42adf3c18fc5d5ae4ae82b12e6b78c5fca9b5a3693d73841599071a1331", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling x86 v0.43.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking raw-cpuid v10.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking cstr_core v0.2.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking procfs v0.10.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86-0.43.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm, llvm_asm, core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7dcab42adf3c18fc5d5ae4ae82b12e6b78c5fca9b5a3693d73841599071a1331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcab42adf3c18fc5d5ae4ae82b12e6b78c5fca9b5a3693d73841599071a1331", kill_on_drop: false }`
[INFO] [stdout] 7dcab42adf3c18fc5d5ae4ae82b12e6b78c5fca9b5a3693d73841599071a1331
