[INFO] fetching crate double-checked-cell 2.1.0...
[INFO] documenting double-checked-cell-2.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate double-checked-cell 2.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate double-checked-cell 2.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double-checked-cell 2.1.0
[INFO] finished tweaking crates.io crate double-checked-cell 2.1.0
[INFO] tweaked toml for crates.io crate double-checked-cell 2.1.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] [stderr]   Downloaded scoped-pool v1.0.0
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5b61f0eee91b01f5320fbd6ff5447b89503bef4004350615013a136e5cc980
[INFO] running `Command { std: "docker" "start" "-a" "7c5b61f0eee91b01f5320fbd6ff5447b89503bef4004350615013a136e5cc980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5b61f0eee91b01f5320fbd6ff5447b89503bef4004350615013a136e5cc980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5b61f0eee91b01f5320fbd6ff5447b89503bef4004350615013a136e5cc980", kill_on_drop: false }`
[INFO] [stdout] 7c5b61f0eee91b01f5320fbd6ff5447b89503bef4004350615013a136e5cc980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40840afdc2d60d6db14508438cdc8878f8e720b1c67e6a746af2692b6b4c2429
[INFO] running `Command { std: "docker" "start" "-a" "40840afdc2d60d6db14508438cdc8878f8e720b1c67e6a746af2692b6b4c2429", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]  Documenting double-checked-cell v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "40840afdc2d60d6db14508438cdc8878f8e720b1c67e6a746af2692b6b4c2429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40840afdc2d60d6db14508438cdc8878f8e720b1c67e6a746af2692b6b4c2429", kill_on_drop: false }`
[INFO] [stdout] 40840afdc2d60d6db14508438cdc8878f8e720b1c67e6a746af2692b6b4c2429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 55e41fefeb1bde1e9cb23042ac382d1506c6d03b551d5fea689128324cc3ae01
[INFO] running `Command { std: "docker" "start" "-a" "55e41fefeb1bde1e9cb23042ac382d1506c6d03b551d5fea689128324cc3ae01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.11.2/src/elision.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             llvm_asm!("xacquire; lock; cmpxchgq $2, $1"
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.11.2/src/elision.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             llvm_asm!("xrelease; lock; xaddq $2, $1"
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.11.2/src/lib.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(feature = "nightly", feature(llvm_asm))]
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking_lot` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "55e41fefeb1bde1e9cb23042ac382d1506c6d03b551d5fea689128324cc3ae01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e41fefeb1bde1e9cb23042ac382d1506c6d03b551d5fea689128324cc3ae01", kill_on_drop: false }`
[INFO] [stdout] 55e41fefeb1bde1e9cb23042ac382d1506c6d03b551d5fea689128324cc3ae01