[INFO] cloning repository https://github.com/imtsuki/xv7
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imtsuki/xv7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fxv7", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fxv7'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edab461a6a7ceab2236e24ca726598107d346467
[INFO] testing imtsuki/xv7 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fxv7" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imtsuki/xv7 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/imtsuki/xv7
[INFO] finished tweaking git repo https://github.com/imtsuki/xv7
[INFO] tweaked toml for git repo https://github.com/imtsuki/xv7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/imtsuki/xv7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c0076c4f49886b5910012827868fd270dbc70c8da218d2d143b5ec7218ebd48
[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" "8c0076c4f49886b5910012827868fd270dbc70c8da218d2d143b5ec7218ebd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c0076c4f49886b5910012827868fd270dbc70c8da218d2d143b5ec7218ebd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0076c4f49886b5910012827868fd270dbc70c8da218d2d143b5ec7218ebd48", kill_on_drop: false }`
[INFO] [stdout] 8c0076c4f49886b5910012827868fd270dbc70c8da218d2d143b5ec7218ebd48
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3546a73b9c4dd57f07d3c3b0664aa8a3e3c36ed8cd4ac2c30bae6871378bf72e
[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" "3546a73b9c4dd57f07d3c3b0664aa8a3e3c36ed8cd4ac2c30bae6871378bf72e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling x86_64 v0.13.6
[INFO] [stderr]    Compiling bit_field v0.10.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling x86_64 v0.14.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling xv7-usyscall v0.1.0 (/opt/rustwide/workdir/xv7-usyscall)
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]  --> xv7-usyscall/src/arch/x86_64.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     llvm_asm!(
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> xv7-usyscall/src/arch/x86_64.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     llvm_asm!(
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> xv7-usyscall/src/arch/x86_64.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     llvm_asm!(
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> xv7-usyscall/src/arch/x86_64.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     llvm_asm!(
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> xv7-usyscall/src/arch/x86_64.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     llvm_asm!(
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> xv7-usyscall/src/arch/x86_64.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     llvm_asm!(
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> xv7-usyscall/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> xv7-usyscall/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(llvm_asm)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xv7-usyscall` due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3546a73b9c4dd57f07d3c3b0664aa8a3e3c36ed8cd4ac2c30bae6871378bf72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3546a73b9c4dd57f07d3c3b0664aa8a3e3c36ed8cd4ac2c30bae6871378bf72e", kill_on_drop: false }`
[INFO] [stdout] 3546a73b9c4dd57f07d3c3b0664aa8a3e3c36ed8cd4ac2c30bae6871378bf72e