[INFO] fetching crate xen 0.0.0-pre1...
[INFO] checking xen-0.0.0-pre1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate xen 0.0.0-pre1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate xen 0.0.0-pre1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xen 0.0.0-pre1
[INFO] finished tweaking crates.io crate xen 0.0.0-pre1
[INFO] tweaked toml for crates.io crate xen 0.0.0-pre1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xen-sys v0.0.0-pre1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a4f637ce068cb20702bc39df19a72574d802367c27bdb37ab54ff406ca3c7dd
[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" "5a4f637ce068cb20702bc39df19a72574d802367c27bdb37ab54ff406ca3c7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a4f637ce068cb20702bc39df19a72574d802367c27bdb37ab54ff406ca3c7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4f637ce068cb20702bc39df19a72574d802367c27bdb37ab54ff406ca3c7dd", kill_on_drop: false }`
[INFO] [stdout] 5a4f637ce068cb20702bc39df19a72574d802367c27bdb37ab54ff406ca3c7dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7d855c61ace416dc3aa784cfa46593a8b639ec0f3b5493c1bc9271dbcf253e
[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" "8d7d855c61ace416dc3aa784cfa46593a8b639ec0f3b5493c1bc9271dbcf253e", kill_on_drop: false }`
[INFO] [stderr]     Checking xen-sys v0.0.0-pre1
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xen-sys-0.0.0-pre1/src/hypercall/x86_64.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |       asm!("call *$0"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 32 | |          : "={rax}" (ret), "={rdi}" (_ign1)
[INFO] [stdout] 33 | |          : "r" (addr),
[INFO] [stdout] 34 | |            "{rdi}" (a1)
[INFO] [stdout] 35 | |          : "memory"
[INFO] [stdout] 36 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xen-sys-0.0.0-pre1/src/hypercall/x86_64.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |       asm!("call *$0"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 50 | |          : "={rax}" (ret), "={rdi}" (_ign1), "={rsi}" (_ign2)
[INFO] [stdout] 51 | |          : "r" (addr),
[INFO] [stdout] 52 | |            "{rdi}" (a1), "{rsi}" (a2)
[INFO] [stdout] 53 | |          : "memory"
[INFO] [stdout] 54 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xen-sys-0.0.0-pre1/src/hypercall/x86_64.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |       asm!("call *$0"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 70 | |          : "={rax}" (ret), "={rdi}" (_ign1), "={rsi}" (_ign2), "={rdx}" (_ign3)
[INFO] [stdout] 71 | |          : "r" (addr),
[INFO] [stdout] 72 | |            "{rdi}" (a1), "{rsi}" (a2), "{rdx}" (a3)
[INFO] [stdout] 73 | |          : "memory"
[INFO] [stdout] 74 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xen-sys-0.0.0-pre1/src/hypercall/x86_64.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |       asm!("call *$0"
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 92 | |          : "={rax}" (ret), "={rdi}" (_ign1), "={rsi}" (_ign2), "={rdx}" (_ign3),
[INFO] [stdout] 93 | |            "={r10}" (_ign4)
[INFO] [stdout] 94 | |          : "r" (addr),
[INFO] [stdout] 95 | |            "{rdi}" (a1), "{rsi}" (a2), "{rdx}" (a3), "{r10}" (a4)
[INFO] [stdout] 96 | |          : "memory"
[INFO] [stdout] 97 | |          : "volatile");
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xen-sys-0.0.0-pre1/src/hypercall/x86_64.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |       asm!("call *$0"
[INFO] [stdout]     |       ^---
[INFO] [stdout]     |       |
[INFO] [stdout]     |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 117 | |          : "={rax}" (ret), "={rdi}" (_ign1), "={rsi}" (_ign2), "={rdx}" (_ign3),
[INFO] [stdout] 118 | |            "={r10}" (_ign4), "={r9}" (_ign5)
[INFO] [stdout] 119 | |          : "r" (addr),
[INFO] [stdout] 120 | |            "{rdi}" (a1), "{rsi}" (a2), "{rdx}" (a3), "{r10}" (a4), "{r9}" (a5)
[INFO] [stdout] 121 | |          : "memory"
[INFO] [stdout] 122 | |          : "volatile");
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xen-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8d7d855c61ace416dc3aa784cfa46593a8b639ec0f3b5493c1bc9271dbcf253e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7d855c61ace416dc3aa784cfa46593a8b639ec0f3b5493c1bc9271dbcf253e", kill_on_drop: false }`
[INFO] [stdout] 8d7d855c61ace416dc3aa784cfa46593a8b639ec0f3b5493c1bc9271dbcf253e