[INFO] fetching crate littlewing 0.7.0...
[INFO] documenting littlewing-0.7.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate littlewing 0.7.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate littlewing 0.7.0 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 littlewing 0.7.0
[INFO] finished tweaking crates.io crate littlewing 0.7.0
[INFO] tweaked toml for crates.io crate littlewing 0.7.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate littlewing 0.7.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 52ccb2fb65f6408f1586476dd806f3bcc5b11dbf0fc270823494c5b264dd8fea
[INFO] running `Command { std: "docker" "start" "-a" "52ccb2fb65f6408f1586476dd806f3bcc5b11dbf0fc270823494c5b264dd8fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ccb2fb65f6408f1586476dd806f3bcc5b11dbf0fc270823494c5b264dd8fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ccb2fb65f6408f1586476dd806f3bcc5b11dbf0fc270823494c5b264dd8fea", kill_on_drop: false }`
[INFO] [stdout] 52ccb2fb65f6408f1586476dd806f3bcc5b11dbf0fc270823494c5b264dd8fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 42adca4da97bfc8bf6d23b73e0f944d2c6ad9df70ea6fe7be2d3d76e402315d9
[INFO] running `Command { std: "docker" "start" "-a" "42adca4da97bfc8bf6d23b73e0f944d2c6ad9df70ea6fe7be2d3d76e402315d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking dirs v3.0.0
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]  Documenting littlewing v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "42adca4da97bfc8bf6d23b73e0f944d2c6ad9df70ea6fe7be2d3d76e402315d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42adca4da97bfc8bf6d23b73e0f944d2c6ad9df70ea6fe7be2d3d76e402315d9", kill_on_drop: false }`
[INFO] [stdout] 42adca4da97bfc8bf6d23b73e0f944d2c6ad9df70ea6fe7be2d3d76e402315d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] ba5bbf549f692066035961168c6add938b698dddea65bc5128cc0a6256a234cc
[INFO] running `Command { std: "docker" "start" "-a" "ba5bbf549f692066035961168c6add938b698dddea65bc5128cc0a6256a234cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking dirs v3.0.0
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]  Documenting littlewing v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "ba5bbf549f692066035961168c6add938b698dddea65bc5128cc0a6256a234cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5bbf549f692066035961168c6add938b698dddea65bc5128cc0a6256a234cc", kill_on_drop: false }`
[INFO] [stdout] ba5bbf549f692066035961168c6add938b698dddea65bc5128cc0a6256a234cc