[INFO] fetching crate moxie-dom 0.2.2...
[INFO] documenting moxie-dom-0.2.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate moxie-dom 0.2.2 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate moxie-dom 0.2.2 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 moxie-dom 0.2.2
[INFO] finished tweaking crates.io crate moxie-dom 0.2.2
[INFO] tweaked toml for crates.io crate moxie-dom 0.2.2 written to /workspace/builds/worker-22/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded topo-macro v0.9.0
[INFO] [stderr]   Downloaded topo v0.9.4
[INFO] [stderr]   Downloaded illicit v0.9.2
[INFO] [stderr]   Downloaded illicit-macro v0.9.0
[INFO] [stderr]   Downloaded augdom v0.1.0
[INFO] [stderr]   Downloaded snax v0.3.0
[INFO] [stderr]   Downloaded mox v0.2.0
[INFO] [stderr]   Downloaded raf v0.1.0
[INFO] [stderr]   Downloaded moxie v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 1a2ac6c045367fd2599268f0b5c4fc5fec18c40f5d1b44762b9d9230108e74ab
[INFO] running `Command { std: "docker" "start" "-a" "1a2ac6c045367fd2599268f0b5c4fc5fec18c40f5d1b44762b9d9230108e74ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2ac6c045367fd2599268f0b5c4fc5fec18c40f5d1b44762b9d9230108e74ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2ac6c045367fd2599268f0b5c4fc5fec18c40f5d1b44762b9d9230108e74ab", kill_on_drop: false }`
[INFO] [stdout] 1a2ac6c045367fd2599268f0b5c4fc5fec18c40f5d1b44762b9d9230108e74ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 3f8223a980c46672b2c190e819256d6ca6e861a259d764d5f6035cf34047ae2e
[INFO] running `Command { std: "docker" "start" "-a" "3f8223a980c46672b2c190e819256d6ca6e861a259d764d5f6035cf34047ae2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling snax v0.3.0
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]    Compiling mox v0.2.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking js-sys v0.3.57
[INFO] [stderr]     Checking illicit v0.9.2
[INFO] [stderr]     Checking topo v0.9.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/topo-0.9.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `topo` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f8223a980c46672b2c190e819256d6ca6e861a259d764d5f6035cf34047ae2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8223a980c46672b2c190e819256d6ca6e861a259d764d5f6035cf34047ae2e", kill_on_drop: false }`
[INFO] [stdout] 3f8223a980c46672b2c190e819256d6ca6e861a259d764d5f6035cf34047ae2e