[INFO] fetching crate wasmer-engine 2.2.1...
[INFO] documenting wasmer-engine-2.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate wasmer-engine 2.2.1 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate wasmer-engine 2.2.1 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 wasmer-engine 2.2.1
[INFO] finished tweaking crates.io crate wasmer-engine 2.2.1
[INFO] tweaked toml for crates.io crate wasmer-engine 2.2.1 written to /workspace/builds/worker-32/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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 28d5b884c9d6d3d86082a37e510cf368a3592aafe392c61bb278128bca43d537
[INFO] running `Command { std: "docker" "start" "-a" "28d5b884c9d6d3d86082a37e510cf368a3592aafe392c61bb278128bca43d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d5b884c9d6d3d86082a37e510cf368a3592aafe392c61bb278128bca43d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d5b884c9d6d3d86082a37e510cf368a3592aafe392c61bb278128bca43d537", kill_on_drop: false }`
[INFO] [stdout] 28d5b884c9d6d3d86082a37e510cf368a3592aafe392c61bb278128bca43d537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] da7efb550db87f28d730655068450a5c15505ae7c87c6e44540d990049878a06
[INFO] running `Command { std: "docker" "start" "-a" "da7efb550db87f28d730655068450a5c15505ae7c87c6e44540d990049878a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling bytecheck v0.6.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rkyv v0.7.38
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling wasmer-vm v2.2.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.8
[INFO] [stderr]    Compiling rkyv_derive v0.7.38
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling enumset_derive v0.6.0
[INFO] [stderr]     Checking enumset v1.0.11
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]     Checking wasmer-types v2.2.1
[INFO] [stderr]     Checking wasmer-compiler v2.2.1
[INFO] [stderr]  Documenting wasmer-engine v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.35s
[INFO] running `Command { std: "docker" "inspect" "da7efb550db87f28d730655068450a5c15505ae7c87c6e44540d990049878a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7efb550db87f28d730655068450a5c15505ae7c87c6e44540d990049878a06", kill_on_drop: false }`
[INFO] [stdout] da7efb550db87f28d730655068450a5c15505ae7c87c6e44540d990049878a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 789918dfbd1184d6345bd10e6cb825eff8ba468d936490a2eb1d77dbc7d82d0e
[INFO] running `Command { std: "docker" "start" "-a" "789918dfbd1184d6345bd10e6cb825eff8ba468d936490a2eb1d77dbc7d82d0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling bytecheck v0.6.8
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling rkyv v0.7.38
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling wasmer-vm v2.2.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.8
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling rkyv_derive v0.7.38
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling enumset_derive v0.6.0
[INFO] [stderr]     Checking enumset v1.0.11
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking loupe v0.1.3
[INFO] [stderr]     Checking wasmer-types v2.2.1
[INFO] [stderr]     Checking wasmer-compiler v2.2.1
[INFO] [stderr]  Documenting wasmer-engine v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.81s
[INFO] running `Command { std: "docker" "inspect" "789918dfbd1184d6345bd10e6cb825eff8ba468d936490a2eb1d77dbc7d82d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789918dfbd1184d6345bd10e6cb825eff8ba468d936490a2eb1d77dbc7d82d0e", kill_on_drop: false }`
[INFO] [stdout] 789918dfbd1184d6345bd10e6cb825eff8ba468d936490a2eb1d77dbc7d82d0e