[INFO] fetching crate merge 0.1.0...
[INFO] documenting merge-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate merge 0.1.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate merge 0.1.0 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 merge 0.1.0
[INFO] finished tweaking crates.io crate merge 0.1.0
[INFO] tweaked toml for crates.io crate merge 0.1.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate merge 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] dbd7fdafcaf2dd69ef5643d143c3b76086866beb4f03bff4f67488d7b17753b8
[INFO] running `Command { std: "docker" "start" "-a" "dbd7fdafcaf2dd69ef5643d143c3b76086866beb4f03bff4f67488d7b17753b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd7fdafcaf2dd69ef5643d143c3b76086866beb4f03bff4f67488d7b17753b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd7fdafcaf2dd69ef5643d143c3b76086866beb4f03bff4f67488d7b17753b8", kill_on_drop: false }`
[INFO] [stdout] dbd7fdafcaf2dd69ef5643d143c3b76086866beb4f03bff4f67488d7b17753b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 17c009d04d7ea4daf5519642cca4fe279f8b3cf30530d26af64df13fd97ca719
[INFO] running `Command { std: "docker" "start" "-a" "17c009d04d7ea4daf5519642cca4fe279f8b3cf30530d26af64df13fd97ca719", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling merge_derive v0.1.0
[INFO] [stderr]  Documenting merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.57s
[INFO] running `Command { std: "docker" "inspect" "17c009d04d7ea4daf5519642cca4fe279f8b3cf30530d26af64df13fd97ca719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c009d04d7ea4daf5519642cca4fe279f8b3cf30530d26af64df13fd97ca719", kill_on_drop: false }`
[INFO] [stdout] 17c009d04d7ea4daf5519642cca4fe279f8b3cf30530d26af64df13fd97ca719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] ec9e9751d6fd24d1e1e6d30e3f7e9539eebdcbcd02df1b6c1fdc2566ddbe5bfd
[INFO] running `Command { std: "docker" "start" "-a" "ec9e9751d6fd24d1e1e6d30e3f7e9539eebdcbcd02df1b6c1fdc2566ddbe5bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling merge_derive v0.1.0
[INFO] [stderr]  Documenting merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
[INFO] running `Command { std: "docker" "inspect" "ec9e9751d6fd24d1e1e6d30e3f7e9539eebdcbcd02df1b6c1fdc2566ddbe5bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9e9751d6fd24d1e1e6d30e3f7e9539eebdcbcd02df1b6c1fdc2566ddbe5bfd", kill_on_drop: false }`
[INFO] [stdout] ec9e9751d6fd24d1e1e6d30e3f7e9539eebdcbcd02df1b6c1fdc2566ddbe5bfd