[INFO] fetching crate vgrs 0.1.0...
[INFO] documenting vgrs-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate vgrs 0.1.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate vgrs 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vgrs 0.1.0
[INFO] finished tweaking crates.io crate vgrs 0.1.0
[INFO] tweaked toml for crates.io crate vgrs 0.1.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25cbbf7619c57503cda3dd590240bd8c2b4c79d993fc9ee5fdece6bb489f3846
[INFO] running `Command { std: "docker" "start" "-a" "25cbbf7619c57503cda3dd590240bd8c2b4c79d993fc9ee5fdece6bb489f3846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25cbbf7619c57503cda3dd590240bd8c2b4c79d993fc9ee5fdece6bb489f3846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25cbbf7619c57503cda3dd590240bd8c2b4c79d993fc9ee5fdece6bb489f3846", kill_on_drop: false }`
[INFO] [stdout] 25cbbf7619c57503cda3dd590240bd8c2b4c79d993fc9ee5fdece6bb489f3846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38646f0cc6a802ffd559d9cb1eac12e233b9361c83f70ab896c68320cf19c4a0
[INFO] running `Command { std: "docker" "start" "-a" "38646f0cc6a802ffd559d9cb1eac12e233b9361c83f70ab896c68320cf19c4a0", kill_on_drop: false }`
[INFO] [stderr]  Documenting vgrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/lib.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![allow(unstable)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/arch/x86_64-linux-macos.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |       asm!("
[INFO] [stdout]    |       ^---
[INFO] [stdout]    |       |
[INFO] [stdout]    |  _____help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 22 | |         rolq $$3,  %rdi
[INFO] [stdout] 23 | |         rolq $$13, %rdi
[INFO] [stdout] 24 | |         rolq $$61, %rdi
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         : "cc", "memory"
[INFO] [stdout] 31 | |         : "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 beta release channel
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(asm)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `vgrs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name vgrs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "38646f0cc6a802ffd559d9cb1eac12e233b9361c83f70ab896c68320cf19c4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38646f0cc6a802ffd559d9cb1eac12e233b9361c83f70ab896c68320cf19c4a0", kill_on_drop: false }`
[INFO] [stdout] 38646f0cc6a802ffd559d9cb1eac12e233b9361c83f70ab896c68320cf19c4a0
