[INFO] fetching crate mirrord-protocol 0.2.0...
[INFO] documenting mirrord-protocol-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mirrord-protocol 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate mirrord-protocol 0.2.0 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 mirrord-protocol 0.2.0
[INFO] finished tweaking crates.io crate mirrord-protocol 0.2.0
[INFO] tweaked toml for crates.io crate mirrord-protocol 0.2.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8ecf772db853c507df44fdb81678be08c96e780687c20cafa4667380587210d9
[INFO] running `Command { std: "docker" "start" "-a" "8ecf772db853c507df44fdb81678be08c96e780687c20cafa4667380587210d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ecf772db853c507df44fdb81678be08c96e780687c20cafa4667380587210d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecf772db853c507df44fdb81678be08c96e780687c20cafa4667380587210d9", kill_on_drop: false }`
[INFO] [stdout] 8ecf772db853c507df44fdb81678be08c96e780687c20cafa4667380587210d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 848554eba9f98917d6eb437e7568b12fb02197565927fc823df5e00e493b6496
[INFO] running `Command { std: "docker" "start" "-a" "848554eba9f98917d6eb437e7568b12fb02197565927fc823df5e00e493b6496", 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]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking actix-codec v0.5.0
[INFO] [stderr]  Documenting mirrord-protocol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "848554eba9f98917d6eb437e7568b12fb02197565927fc823df5e00e493b6496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848554eba9f98917d6eb437e7568b12fb02197565927fc823df5e00e493b6496", kill_on_drop: false }`
[INFO] [stdout] 848554eba9f98917d6eb437e7568b12fb02197565927fc823df5e00e493b6496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4945e0f01458914efe3e04e499cbacbd7cfa21b791230dd83cbc83bbfff7df33
[INFO] running `Command { std: "docker" "start" "-a" "4945e0f01458914efe3e04e499cbacbd7cfa21b791230dd83cbc83bbfff7df33", 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]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking actix-codec v0.5.0
[INFO] [stderr]  Documenting mirrord-protocol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.05s
[INFO] running `Command { std: "docker" "inspect" "4945e0f01458914efe3e04e499cbacbd7cfa21b791230dd83cbc83bbfff7df33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4945e0f01458914efe3e04e499cbacbd7cfa21b791230dd83cbc83bbfff7df33", kill_on_drop: false }`
[INFO] [stdout] 4945e0f01458914efe3e04e499cbacbd7cfa21b791230dd83cbc83bbfff7df33