[INFO] fetching crate log4rs-routing-appender 0.4.0...
[INFO] documenting log4rs-routing-appender-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate log4rs-routing-appender 0.4.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate log4rs-routing-appender 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 log4rs-routing-appender 0.4.0
[INFO] finished tweaking crates.io crate log4rs-routing-appender 0.4.0
[INFO] tweaked toml for crates.io crate log4rs-routing-appender 0.4.0 written to /workspace/builds/worker-20/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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 59bed21101fa4f16323f13b8a3ae5494d48798d1dfb06832b17c2fd1d39785c7
[INFO] running `Command { std: "docker" "start" "-a" "59bed21101fa4f16323f13b8a3ae5494d48798d1dfb06832b17c2fd1d39785c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59bed21101fa4f16323f13b8a3ae5494d48798d1dfb06832b17c2fd1d39785c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59bed21101fa4f16323f13b8a3ae5494d48798d1dfb06832b17c2fd1d39785c7", kill_on_drop: false }`
[INFO] [stdout] 59bed21101fa4f16323f13b8a3ae5494d48798d1dfb06832b17c2fd1d39785c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 962529ba53b53b3ae58662fb83944cada2e2a19d15a602a895e5f3ccd9f42e41
[INFO] running `Command { std: "docker" "start" "-a" "962529ba53b53b3ae58662fb83944cada2e2a19d15a602a895e5f3ccd9f42e41", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]  Documenting log4rs-routing-appender v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "962529ba53b53b3ae58662fb83944cada2e2a19d15a602a895e5f3ccd9f42e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962529ba53b53b3ae58662fb83944cada2e2a19d15a602a895e5f3ccd9f42e41", kill_on_drop: false }`
[INFO] [stdout] 962529ba53b53b3ae58662fb83944cada2e2a19d15a602a895e5f3ccd9f42e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 8418372aeb79e7f08d966a6ac58fc6be7bc58dbd00ffcdcf6e1b87b3a5abaceb
[INFO] running `Command { std: "docker" "start" "-a" "8418372aeb79e7f08d966a6ac58fc6be7bc58dbd00ffcdcf6e1b87b3a5abaceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]  Documenting log4rs-routing-appender v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "8418372aeb79e7f08d966a6ac58fc6be7bc58dbd00ffcdcf6e1b87b3a5abaceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8418372aeb79e7f08d966a6ac58fc6be7bc58dbd00ffcdcf6e1b87b3a5abaceb", kill_on_drop: false }`
[INFO] [stdout] 8418372aeb79e7f08d966a6ac58fc6be7bc58dbd00ffcdcf6e1b87b3a5abaceb