[INFO] cloning repository https://github.com/johshoff/concurrent_queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johshoff/concurrent_queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fconcurrent_queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fconcurrent_queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d517cfdfacb538416ba97a03e1af1381b81de510
[INFO] documenting johshoff/concurrent_queue against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Fconcurrent_queue" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johshoff/concurrent_queue 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 git repo https://github.com/johshoff/concurrent_queue
[INFO] finished tweaking git repo https://github.com/johshoff/concurrent_queue
[INFO] tweaked toml for git repo https://github.com/johshoff/concurrent_queue written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/johshoff/concurrent_queue already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ce2b462a841a8f9a78a04ba382a5730eb391a037280fae3d7615f28f682b017d
[INFO] running `Command { std: "docker" "start" "-a" "ce2b462a841a8f9a78a04ba382a5730eb391a037280fae3d7615f28f682b017d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce2b462a841a8f9a78a04ba382a5730eb391a037280fae3d7615f28f682b017d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2b462a841a8f9a78a04ba382a5730eb391a037280fae3d7615f28f682b017d", kill_on_drop: false }`
[INFO] [stdout] ce2b462a841a8f9a78a04ba382a5730eb391a037280fae3d7615f28f682b017d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 98e7bef5e535b3a88e62d39311a732e37eac7cf5ffde1caad926524eeba25107
[INFO] running `Command { std: "docker" "start" "-a" "98e7bef5e535b3a88e62d39311a732e37eac7cf5ffde1caad926524eeba25107", kill_on_drop: false }`
[INFO] [stderr]  Documenting concurrent_queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/atomics/x86.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout] 6  |           asm!("LOCK CMPXCHG qword ptr [RCX], RBX"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 7  | |              : "={rax}"(value_at_dest)   // output
[INFO] [stdout] 8  | |
[INFO] [stdout] 9  | |              : "{rbx}"(new_value),
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |              : "intel"                   // options
[INFO] [stdout] 16 | |         );
[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]   --> src/atomics/x86.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |           asm!("LOCK CMPXCHG16B [R8]"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 39 | |              : "={rax}"(value_at_dest_high), // output
[INFO] [stdout] 40 | |                "={rdx}"(value_at_dest_low)
[INFO] [stdout] 41 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |              : "intel"                       // options
[INFO] [stdout] 51 | |         );
[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]   --> src/atomics/x86.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |           asm!("LOCK XADD qword ptr [RCX], RBX"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 65 | |              : "={rbx}"(value_at_dest)   // output
[INFO] [stdout] 66 | |
[INFO] [stdout] 67 | |              : "{rbx}"(addend),          // input
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |              : "intel"                   // options
[INFO] [stdout] 73 | |         );
[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]   --> src/atomics/x86.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |           asm!("LOCK BTS qword ptr [RCX], 63"
[INFO] [stdout]    |           ^---
[INFO] [stdout]    |           |
[INFO] [stdout]    |  _________help: replace with: `llvm_asm!`
[INFO] [stdout]    | |
[INFO] [stdout] 83 | |              :                                 // output
[INFO] [stdout] 84 | |              : "{rcx}"(destination)            // input
[INFO] [stdout] 85 | |              : "rbx", "memory"                 // clobbers
[INFO] [stdout] 86 | |              : "intel"                         // options
[INFO] [stdout] 87 | |         );
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 6 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 document `concurrent_queue`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name concurrent_queue 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" "98e7bef5e535b3a88e62d39311a732e37eac7cf5ffde1caad926524eeba25107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e7bef5e535b3a88e62d39311a732e37eac7cf5ffde1caad926524eeba25107", kill_on_drop: false }`
[INFO] [stdout] 98e7bef5e535b3a88e62d39311a732e37eac7cf5ffde1caad926524eeba25107
