[INFO] fetching crate vga_buffer_rs 0.1.2...
[INFO] testing vga_buffer_rs-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate vga_buffer_rs 0.1.2 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate vga_buffer_rs 0.1.2 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-103/source/rust-toolchain
[INFO] started tweaking crates.io crate vga_buffer_rs 0.1.2
[INFO] finished tweaking crates.io crate vga_buffer_rs 0.1.2
[INFO] tweaked toml for crates.io crate vga_buffer_rs 0.1.2 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55422511f86b4c1a1b808473ac55e2df7cbb629cb784b09a1a66a5dc8f68d179
[INFO] running `Command { std: "docker" "start" "-a" "55422511f86b4c1a1b808473ac55e2df7cbb629cb784b09a1a66a5dc8f68d179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55422511f86b4c1a1b808473ac55e2df7cbb629cb784b09a1a66a5dc8f68d179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55422511f86b4c1a1b808473ac55e2df7cbb629cb784b09a1a66a5dc8f68d179", kill_on_drop: false }`
[INFO] [stdout] 55422511f86b4c1a1b808473ac55e2df7cbb629cb784b09a1a66a5dc8f68d179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e22660dfd09c9d5daffdb7609f4431ef868931159ffcbfb81f6a606c4f76d7da
[INFO] running `Command { std: "docker" "start" "-a" "e22660dfd09c9d5daffdb7609f4431ef868931159ffcbfb81f6a606c4f76d7da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling volatile v0.2.7
[INFO] [stderr]    Compiling vga_buffer_rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> src/cursor.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         llvm_asm!("outb %al,%dx"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> src/cursor.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         llvm_asm!("outb %al,%dx"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> src/cursor.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         llvm_asm!("outb %al,%dx"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> src/cursor.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         llvm_asm!("outb %al,%dx"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> src/cursor.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         llvm_asm!("outb %al, %dx"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> src/cursor.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         llvm_asm!("outb %al, %dx"
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> 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]  --> 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 `vga_buffer_rs` due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "e22660dfd09c9d5daffdb7609f4431ef868931159ffcbfb81f6a606c4f76d7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22660dfd09c9d5daffdb7609f4431ef868931159ffcbfb81f6a606c4f76d7da", kill_on_drop: false }`
[INFO] [stdout] e22660dfd09c9d5daffdb7609f4431ef868931159ffcbfb81f6a606c4f76d7da