[INFO] fetching crate tree-buf 0.10.0...
[INFO] documenting tree-buf-0.10.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tree-buf 0.10.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate tree-buf 0.10.0 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 tree-buf 0.10.0
[INFO] finished tweaking crates.io crate tree-buf 0.10.0
[INFO] tweaked toml for crates.io crate tree-buf 0.10.0 written to /workspace/builds/worker-18/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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ccdc6195063e607439df44bf2b8a2b43d72ac18117be79e71a514c760131d6a3
[INFO] running `Command { std: "docker" "start" "-a" "ccdc6195063e607439df44bf2b8a2b43d72ac18117be79e71a514c760131d6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccdc6195063e607439df44bf2b8a2b43d72ac18117be79e71a514c760131d6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdc6195063e607439df44bf2b8a2b43d72ac18117be79e71a514c760131d6a3", kill_on_drop: false }`
[INFO] [stdout] ccdc6195063e607439df44bf2b8a2b43d72ac18117be79e71a514c760131d6a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 16348173c283be22e977802d15a9e910e6de043c2a5630e9026c4b67002e7cc5
[INFO] running `Command { std: "docker" "start" "-a" "16348173c283be22e977802d15a9e910e6de043c2a5630e9026c4b67002e7cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking firestorm v0.3.1
[INFO] [stderr]     Checking defer v0.1.0
[INFO] [stderr]     Checking gibbon v0.1.3
[INFO] [stderr]     Checking transmute v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking simple-16 v0.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking zigzag v0.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking coercible_errors v0.1.4
[INFO] [stderr]    Compiling tree-buf-macros v0.10.0
[INFO] [stderr]  Documenting tree-buf v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.90s
[INFO] running `Command { std: "docker" "inspect" "16348173c283be22e977802d15a9e910e6de043c2a5630e9026c4b67002e7cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16348173c283be22e977802d15a9e910e6de043c2a5630e9026c4b67002e7cc5", kill_on_drop: false }`
[INFO] [stdout] 16348173c283be22e977802d15a9e910e6de043c2a5630e9026c4b67002e7cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] a7fb3c512dcebf8d26a44b514b3024dc0bdda0b5205128dc1ae106ef5a61f4c2
[INFO] running `Command { std: "docker" "start" "-a" "a7fb3c512dcebf8d26a44b514b3024dc0bdda0b5205128dc1ae106ef5a61f4c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking firestorm v0.3.1
[INFO] [stderr]     Checking transmute v0.1.1
[INFO] [stderr]     Checking gibbon v0.1.3
[INFO] [stderr]     Checking defer v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking simple-16 v0.2.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking zigzag v0.1.0
[INFO] [stderr]     Checking coercible_errors v0.1.4
[INFO] [stderr]    Compiling tree-buf-macros v0.10.0
[INFO] [stderr]  Documenting tree-buf v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `Command { std: "docker" "inspect" "a7fb3c512dcebf8d26a44b514b3024dc0bdda0b5205128dc1ae106ef5a61f4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fb3c512dcebf8d26a44b514b3024dc0bdda0b5205128dc1ae106ef5a61f4c2", kill_on_drop: false }`
[INFO] [stdout] a7fb3c512dcebf8d26a44b514b3024dc0bdda0b5205128dc1ae106ef5a61f4c2