[INFO] cloning repository https://github.com/binary-rusty-hermit/uhyve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/binary-rusty-hermit/uhyve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinary-rusty-hermit%2Fuhyve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinary-rusty-hermit%2Fuhyve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dad759d8f9e7a9be452bbdcd9a0788af19e4a22
[INFO] checking binary-rusty-hermit/uhyve against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinary-rusty-hermit%2Fuhyve" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binary-rusty-hermit/uhyve 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] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/binary-rusty-hermit/uhyve
[INFO] finished tweaking git repo https://github.com/binary-rusty-hermit/uhyve
[INFO] tweaked toml for git repo https://github.com/binary-rusty-hermit/uhyve written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/binary-rusty-hermit/uhyve already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 52fc5d9032d3ab33ff2b4b91d628395b0eb95b3fe8b73adf6595ef7e1bbe1212
[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" "52fc5d9032d3ab33ff2b4b91d628395b0eb95b3fe8b73adf6595ef7e1bbe1212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52fc5d9032d3ab33ff2b4b91d628395b0eb95b3fe8b73adf6595ef7e1bbe1212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fc5d9032d3ab33ff2b4b91d628395b0eb95b3fe8b73adf6595ef7e1bbe1212", kill_on_drop: false }`
[INFO] [stdout] 52fc5d9032d3ab33ff2b4b91d628395b0eb95b3fe8b73adf6595ef7e1bbe1212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 07416bf468b5d864f1d46933af1810d0300d748a6f308934fb4eb73b5f265cf7
[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" "07416bf468b5d864f1d46933af1810d0300d748a6f308934fb4eb73b5f265cf7", 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] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling x86 v0.36.0
[INFO] [stderr]    Compiling mac_address v1.0.4
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking burst v0.0.2
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]    Compiling raw-cpuid v8.1.2
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]     Checking gdb-protocol v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking plotters v0.3.0
[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/x86-0.36.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(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" "07416bf468b5d864f1d46933af1810d0300d748a6f308934fb4eb73b5f265cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07416bf468b5d864f1d46933af1810d0300d748a6f308934fb4eb73b5f265cf7", kill_on_drop: false }`
[INFO] [stdout] 07416bf468b5d864f1d46933af1810d0300d748a6f308934fb4eb73b5f265cf7
