[INFO] fetching crate hermit-sys 0.1.24...
[INFO] checking hermit-sys-0.1.24 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate hermit-sys 0.1.24 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hermit-sys 0.1.24 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 hermit-sys 0.1.24
[INFO] finished tweaking crates.io crate hermit-sys 0.1.24
[INFO] tweaked toml for crates.io crate hermit-sys 0.1.24 written to /workspace/builds/worker-0/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] 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.7.0
[INFO] [stderr]   Downloaded cortex-a v6.1.0
[INFO] [stderr]   Downloaded rftrace v0.1.0
[INFO] [stderr]   Downloaded aarch64 v0.0.6
[INFO] [stderr]   Downloaded managed v0.7.2
[INFO] [stderr]   Downloaded smoltcp v0.7.5
[INFO] [stderr]   Downloaded x86 v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8136d385e53f173da9d925ef8339c5da3b7891d59fd35b267f1c3b34741cf503
[INFO] running `Command { std: "docker" "start" "-a" "8136d385e53f173da9d925ef8339c5da3b7891d59fd35b267f1c3b34741cf503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8136d385e53f173da9d925ef8339c5da3b7891d59fd35b267f1c3b34741cf503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8136d385e53f173da9d925ef8339c5da3b7891d59fd35b267f1c3b34741cf503", kill_on_drop: false }`
[INFO] [stdout] 8136d385e53f173da9d925ef8339c5da3b7891d59fd35b267f1c3b34741cf503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be611e113e100be83fb8c8f9b8402c40b7c9b74ab3116b20245637b85a385ccd
[INFO] running `Command { std: "docker" "start" "-a" "be611e113e100be83fb8c8f9b8402c40b7c9b74ab3116b20245637b85a385ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling x86 v0.43.0
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking raw-cpuid v10.2.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[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" "be611e113e100be83fb8c8f9b8402c40b7c9b74ab3116b20245637b85a385ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be611e113e100be83fb8c8f9b8402c40b7c9b74ab3116b20245637b85a385ccd", kill_on_drop: false }`
[INFO] [stdout] be611e113e100be83fb8c8f9b8402c40b7c9b74ab3116b20245637b85a385ccd
