[INFO] fetching crate cpuio 0.3.0...
[INFO] building cpuio-0.3.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate cpuio 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cpuio 0.3.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpuio 0.3.0
[INFO] finished tweaking crates.io crate cpuio 0.3.0
[INFO] tweaked toml for crates.io crate cpuio 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cpuio 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6ba31a72c8cc5f3c6ed3eb46b39e9299b7548dc57737301dcf300b1e6453a4
[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" "3b6ba31a72c8cc5f3c6ed3eb46b39e9299b7548dc57737301dcf300b1e6453a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6ba31a72c8cc5f3c6ed3eb46b39e9299b7548dc57737301dcf300b1e6453a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6ba31a72c8cc5f3c6ed3eb46b39e9299b7548dc57737301dcf300b1e6453a4", kill_on_drop: false }`
[INFO] [stdout] 3b6ba31a72c8cc5f3c6ed3eb46b39e9299b7548dc57737301dcf300b1e6453a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76be8c16f4753d437fba9e867af48181e4442ff28bc0803b5e588535eb428665
[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" "76be8c16f4753d437fba9e867af48181e4442ff28bc0803b5e588535eb428665", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpuio v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm, const_fn)]
[INFO] [stdout]   |                      ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]  --> src/x86.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     llvm_asm!("inb %dx, %al" : "={al}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/x86.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     llvm_asm!("outb %al, %dx" :: "{dx}"(port), "{al}"(value) :: "volatile");
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/x86.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     llvm_asm!("inw %dx, %ax" : "={ax}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/x86.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     llvm_asm!("outw %ax, %dx" :: "{dx}"(port), "{ax}"(value) :: "volatile");
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/x86.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     llvm_asm!("inl %dx, %eax" : "={eax}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `llvm_asm`: will be removed from the compiler, use asm! instead
[INFO] [stdout]   --> src/x86.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     llvm_asm!("outl %eax, %dx" :: "{dx}"(port), "{eax}"(value) :: "volatile");
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpuio` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "76be8c16f4753d437fba9e867af48181e4442ff28bc0803b5e588535eb428665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76be8c16f4753d437fba9e867af48181e4442ff28bc0803b5e588535eb428665", kill_on_drop: false }`
[INFO] [stdout] 76be8c16f4753d437fba9e867af48181e4442ff28bc0803b5e588535eb428665