[INFO] fetching crate mux-stream-macros 0.4.0...
[INFO] documenting mux-stream-macros-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mux-stream-macros 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mux-stream-macros 0.4.0 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 mux-stream-macros 0.4.0
[INFO] finished tweaking crates.io crate mux-stream-macros 0.4.0
[INFO] tweaked toml for crates.io crate mux-stream-macros 0.4.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 60e59376c4ca8438bd717098c15ad6642413a38c387018a5a5d091ddc437efb4
[INFO] running `Command { std: "docker" "start" "-a" "60e59376c4ca8438bd717098c15ad6642413a38c387018a5a5d091ddc437efb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60e59376c4ca8438bd717098c15ad6642413a38c387018a5a5d091ddc437efb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e59376c4ca8438bd717098c15ad6642413a38c387018a5a5d091ddc437efb4", kill_on_drop: false }`
[INFO] [stdout] 60e59376c4ca8438bd717098c15ad6642413a38c387018a5a5d091ddc437efb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 99887eea35ef98bc0c51f3cf9a89a11642a0dbddcc70a0cdae15673729c90cab
[INFO] running `Command { std: "docker" "start" "-a" "99887eea35ef98bc0c51f3cf9a89a11642a0dbddcc70a0cdae15673729c90cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting mux-stream-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "99887eea35ef98bc0c51f3cf9a89a11642a0dbddcc70a0cdae15673729c90cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99887eea35ef98bc0c51f3cf9a89a11642a0dbddcc70a0cdae15673729c90cab", kill_on_drop: false }`
[INFO] [stdout] 99887eea35ef98bc0c51f3cf9a89a11642a0dbddcc70a0cdae15673729c90cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6224e90017b7675f6a3bfc084a15845e1724a8f1d5861ee7fec5c2daf2dd6a42
[INFO] running `Command { std: "docker" "start" "-a" "6224e90017b7675f6a3bfc084a15845e1724a8f1d5861ee7fec5c2daf2dd6a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting mux-stream-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "6224e90017b7675f6a3bfc084a15845e1724a8f1d5861ee7fec5c2daf2dd6a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6224e90017b7675f6a3bfc084a15845e1724a8f1d5861ee7fec5c2daf2dd6a42", kill_on_drop: false }`
[INFO] [stdout] 6224e90017b7675f6a3bfc084a15845e1724a8f1d5861ee7fec5c2daf2dd6a42