[INFO] fetching crate concurrent-hashmap 0.2.2...
[INFO] documenting concurrent-hashmap-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate concurrent-hashmap 0.2.2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate concurrent-hashmap 0.2.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrent-hashmap 0.2.2
[INFO] finished tweaking crates.io crate concurrent-hashmap 0.2.2
[INFO] tweaked toml for crates.io crate concurrent-hashmap 0.2.2 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e88984070fab473fb947a1cace21b0e53a607d92d09d0520cf6a1d6c1e349e
[INFO] running `Command { std: "docker" "start" "-a" "f3e88984070fab473fb947a1cace21b0e53a607d92d09d0520cf6a1d6c1e349e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e88984070fab473fb947a1cace21b0e53a607d92d09d0520cf6a1d6c1e349e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e88984070fab473fb947a1cace21b0e53a607d92d09d0520cf6a1d6c1e349e", kill_on_drop: false }`
[INFO] [stdout] f3e88984070fab473fb947a1cace21b0e53a607d92d09d0520cf6a1d6c1e349e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a2f5a59576a9a2b1f052d11b20df51197ae46c3db2409dc941e85feeab4da8
[INFO] running `Command { std: "docker" "start" "-a" "70a2f5a59576a9a2b1f052d11b20df51197ae46c3db2409dc941e85feeab4da8", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.4.8
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/util.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "asm", 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 `spin` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "70a2f5a59576a9a2b1f052d11b20df51197ae46c3db2409dc941e85feeab4da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a2f5a59576a9a2b1f052d11b20df51197ae46c3db2409dc941e85feeab4da8", kill_on_drop: false }`
[INFO] [stdout] 70a2f5a59576a9a2b1f052d11b20df51197ae46c3db2409dc941e85feeab4da8