[INFO] crate rustos 0.4.3 is already in cache
[INFO] checking rustos-0.4.3 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate rustos 0.4.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustos 0.4.3 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustos 0.4.3
[INFO] finished tweaking crates.io crate rustos 0.4.3
[INFO] tweaked toml for crates.io crate rustos 0.4.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rustos 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bece723303655a5fc449b017dc1ac019646dac0a842b3f1bc82e1cf87b51c32f
[INFO] running `"docker" "start" "-a" "bece723303655a5fc449b017dc1ac019646dac0a842b3f1bc82e1cf87b51c32f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.9.6
[INFO] [stderr]    Compiling bootloader v0.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking conquer-util v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking pc-keyboard v0.5.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     asm!("inb %dx, %al" : "={al}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stderr]   |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     asm!("outb %al, %dx" :: "{dx}"(port), "{al}"(value) :: "volatile");
[INFO] [stderr]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     asm!("inw %dx, %ax" : "={ax}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stderr]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     asm!("outw %ax, %dx" :: "{dx}"(port), "{ax}"(value) :: "volatile");
[INFO] [stderr]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     asm!("inl %dx, %eax" : "={eax}"(result) : "{dx}"(port) :: "volatile");
[INFO] [stderr]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/x86.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     asm!("outl %eax, %dx" :: "{dx}"(port), "{eax}"(value) :: "volatile");
[INFO] [stderr]    |     ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cpuio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bece723303655a5fc449b017dc1ac019646dac0a842b3f1bc82e1cf87b51c32f"`
[INFO] running `"docker" "rm" "-f" "bece723303655a5fc449b017dc1ac019646dac0a842b3f1bc82e1cf87b51c32f"`
[INFO] [stdout] bece723303655a5fc449b017dc1ac019646dac0a842b3f1bc82e1cf87b51c32f