[INFO] fetching crate valgrind_request 1.1.0...
[INFO] testing valgrind_request-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate valgrind_request 1.1.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate valgrind_request 1.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate valgrind_request 1.1.0
[INFO] finished tweaking crates.io crate valgrind_request 1.1.0
[INFO] tweaked toml for crates.io crate valgrind_request 1.1.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfdb57a508661d5ad238f7347bc6102845bd386e95ace2844d6762b71a540b0f
[INFO] running `Command { std: "docker" "start" "-a" "bfdb57a508661d5ad238f7347bc6102845bd386e95ace2844d6762b71a540b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfdb57a508661d5ad238f7347bc6102845bd386e95ace2844d6762b71a540b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdb57a508661d5ad238f7347bc6102845bd386e95ace2844d6762b71a540b0f", kill_on_drop: false }`
[INFO] [stdout] bfdb57a508661d5ad238f7347bc6102845bd386e95ace2844d6762b71a540b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40b70b21e3847cb2e8409bc73ffdeed5db011f51134e23e0cee71473b463b1f8
[INFO] running `Command { std: "docker" "start" "-a" "40b70b21e3847cb2e8409bc73ffdeed5db011f51134e23e0cee71473b463b1f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling valgrind_request v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/arch/x86_64.rs:6:3
[INFO] [stdout]    |
[INFO] [stdout] 6  |     asm!("rolq $$3,  %rdi ; rolq $$13, %rdi
[INFO] [stdout]    |     ^---
[INFO] [stdout]    |     |
[INFO] [stdout]    |  ___help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 7  | |         rolq $$61, %rdi ; rolq $$51, %rdi
[INFO] [stdout] 8  | |         xchgq %rbx, %rbx"
[INFO] [stdout] 9  | |       : "={rdx}" (result)
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |       : "cc", "memory"
[INFO] [stdout] 13 | |       : "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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `valgrind_request` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "40b70b21e3847cb2e8409bc73ffdeed5db011f51134e23e0cee71473b463b1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b70b21e3847cb2e8409bc73ffdeed5db011f51134e23e0cee71473b463b1f8", kill_on_drop: false }`
[INFO] [stdout] 40b70b21e3847cb2e8409bc73ffdeed5db011f51134e23e0cee71473b463b1f8