[INFO] cloning repository https://github.com/dvc94ch/rust-ipld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvc94ch/rust-ipld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-ipld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-ipld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92586bc1708fb69463ef865f81f9986b3cf31524
[INFO] documenting dvc94ch/rust-ipld against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-ipld" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/rust-ipld 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 git repo https://github.com/dvc94ch/rust-ipld
[INFO] finished tweaking git repo https://github.com/dvc94ch/rust-ipld
[INFO] tweaked toml for git repo https://github.com/dvc94ch/rust-ipld written to /workspace/builds/worker-37/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 51da542f02ffea1b839f93e054431a9c3a7610d66478015fb3b230450ffe43f9
[INFO] running `Command { std: "docker" "start" "-a" "51da542f02ffea1b839f93e054431a9c3a7610d66478015fb3b230450ffe43f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51da542f02ffea1b839f93e054431a9c3a7610d66478015fb3b230450ffe43f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51da542f02ffea1b839f93e054431a9c3a7610d66478015fb3b230450ffe43f9", kill_on_drop: false }`
[INFO] [stdout] 51da542f02ffea1b839f93e054431a9c3a7610d66478015fb3b230450ffe43f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] d8c0f56a6e5fc0b184f4d146ebce4cab08fee22ee78d2918d033e5ef2a1c070a
[INFO] running `Command { std: "docker" "start" "-a" "d8c0f56a6e5fc0b184f4d146ebce4cab08fee22ee78d2918d033e5ef2a1c070a", 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 version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking base-x v0.2.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking blake2s_simd v1.0.0
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking cached v0.30.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling libipld-pb v0.13.1 (/opt/rustwide/workdir/dag-pb)
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.0
[INFO] [stderr]    Compiling libipld-cbor-derive v0.13.1 (/opt/rustwide/workdir/dag-cbor-derive)
[INFO] [stderr]     Checking multihash v0.16.2
[INFO] [stderr]     Checking cid v0.8.5
[INFO] [stderr]     Checking libipld-core v0.13.1 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking libipld-json v0.13.1 (/opt/rustwide/workdir/dag-json)
[INFO] [stderr]     Checking libipld-macro v0.13.1 (/opt/rustwide/workdir/macro)
[INFO] [stderr]     Checking libipld-cbor v0.13.1 (/opt/rustwide/workdir/dag-cbor)
[INFO] [stderr]  Documenting libipld v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.51s
[INFO] running `Command { std: "docker" "inspect" "d8c0f56a6e5fc0b184f4d146ebce4cab08fee22ee78d2918d033e5ef2a1c070a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c0f56a6e5fc0b184f4d146ebce4cab08fee22ee78d2918d033e5ef2a1c070a", kill_on_drop: false }`
[INFO] [stdout] d8c0f56a6e5fc0b184f4d146ebce4cab08fee22ee78d2918d033e5ef2a1c070a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 734bcd118aa087103853f7d4c37f449576a1e86107a06a910284c7650ac15a7d
[INFO] running `Command { std: "docker" "start" "-a" "734bcd118aa087103853f7d4c37f449576a1e86107a06a910284c7650ac15a7d", 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 version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking base-x v0.2.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking cached v0.30.0
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking blake2s_simd v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:549:37
[INFO] [stdout]     |
[INFO] [stdout] 549 |                 first: self.clone().into(),
[INFO] [stdout]     |                                     ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:550:36
[INFO] [stdout]     |
[INFO] [stdout] 550 |                 last: self.clone().into(),
[INFO] [stdout]     |                                    ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-error` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "734bcd118aa087103853f7d4c37f449576a1e86107a06a910284c7650ac15a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734bcd118aa087103853f7d4c37f449576a1e86107a06a910284c7650ac15a7d", kill_on_drop: false }`
[INFO] [stdout] 734bcd118aa087103853f7d4c37f449576a1e86107a06a910284c7650ac15a7d