[INFO] fetching crate mun_syntax 0.3.0...
[INFO] documenting mun_syntax-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mun_syntax 0.3.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate mun_syntax 0.3.0 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 mun_syntax 0.3.0
[INFO] finished tweaking crates.io crate mun_syntax 0.3.0
[INFO] tweaked toml for crates.io crate mun_syntax 0.3.0 written to /workspace/builds/worker-19/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] [stderr]     Blocking waiting for file lock on package cache
[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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 2b7459a6dfd0ae0fef83b3f50b57bb842f26329dd778da59e0c4b5db44312b07
[INFO] running `Command { std: "docker" "start" "-a" "2b7459a6dfd0ae0fef83b3f50b57bb842f26329dd778da59e0c4b5db44312b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7459a6dfd0ae0fef83b3f50b57bb842f26329dd778da59e0c4b5db44312b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7459a6dfd0ae0fef83b3f50b57bb842f26329dd778da59e0c4b5db44312b07", kill_on_drop: false }`
[INFO] [stdout] 2b7459a6dfd0ae0fef83b3f50b57bb842f26329dd778da59e0c4b5db44312b07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 9f74504f057cc8b9ec0394194c495535915d3bf7fe8881fac061db7e205bcda5
[INFO] running `Command { std: "docker" "start" "-a" "9f74504f057cc8b9ec0394194c495535915d3bf7fe8881fac061db7e205bcda5", 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 serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mun_abi v0.3.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.23
[INFO] [stderr]     Checking triomphe v0.1.5
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.35
[INFO] [stderr]     Checking rowan v0.10.6
[INFO] [stderr]  Documenting mun_syntax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `Command { std: "docker" "inspect" "9f74504f057cc8b9ec0394194c495535915d3bf7fe8881fac061db7e205bcda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f74504f057cc8b9ec0394194c495535915d3bf7fe8881fac061db7e205bcda5", kill_on_drop: false }`
[INFO] [stdout] 9f74504f057cc8b9ec0394194c495535915d3bf7fe8881fac061db7e205bcda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 2c0fdcbb887aec2b40a6e862e3207f166b9a161ef82a89626fd402e5dc4e098b
[INFO] running `Command { std: "docker" "start" "-a" "2c0fdcbb887aec2b40a6e862e3207f166b9a161ef82a89626fd402e5dc4e098b", 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 serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mun_abi v0.3.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking triomphe v0.1.5
[INFO] [stderr]     Checking smol_str v0.1.23
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.35
[INFO] [stderr]     Checking rowan v0.10.6
[INFO] [stderr]  Documenting mun_syntax v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.57s
[INFO] running `Command { std: "docker" "inspect" "2c0fdcbb887aec2b40a6e862e3207f166b9a161ef82a89626fd402e5dc4e098b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0fdcbb887aec2b40a6e862e3207f166b9a161ef82a89626fd402e5dc4e098b", kill_on_drop: false }`
[INFO] [stdout] 2c0fdcbb887aec2b40a6e862e3207f166b9a161ef82a89626fd402e5dc4e098b