[INFO] fetching crate testing_logger 0.1.1...
[INFO] documenting testing_logger-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate testing_logger 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate testing_logger 0.1.1 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 testing_logger 0.1.1
[INFO] finished tweaking crates.io crate testing_logger 0.1.1
[INFO] tweaked toml for crates.io crate testing_logger 0.1.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5214337ac3c870be96fc76b11cdf07ae94be4668e1f5080e40543a215cf9ef7
[INFO] running `Command { std: "docker" "start" "-a" "b5214337ac3c870be96fc76b11cdf07ae94be4668e1f5080e40543a215cf9ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5214337ac3c870be96fc76b11cdf07ae94be4668e1f5080e40543a215cf9ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5214337ac3c870be96fc76b11cdf07ae94be4668e1f5080e40543a215cf9ef7", kill_on_drop: false }`
[INFO] [stdout] b5214337ac3c870be96fc76b11cdf07ae94be4668e1f5080e40543a215cf9ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b54977dc7f9a5c984e33c6f826a7b81403d95e5cab9f00e74120f6ce66fe2f4e
[INFO] running `Command { std: "docker" "start" "-a" "b54977dc7f9a5c984e33c6f826a7b81403d95e5cab9f00e74120f6ce66fe2f4e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]  Documenting testing_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "b54977dc7f9a5c984e33c6f826a7b81403d95e5cab9f00e74120f6ce66fe2f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54977dc7f9a5c984e33c6f826a7b81403d95e5cab9f00e74120f6ce66fe2f4e", kill_on_drop: false }`
[INFO] [stdout] b54977dc7f9a5c984e33c6f826a7b81403d95e5cab9f00e74120f6ce66fe2f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16b04f97d9d21a77d06b285f4959c877d6baf844e7b8901192a217d903f463f7
[INFO] running `Command { std: "docker" "start" "-a" "16b04f97d9d21a77d06b285f4959c877d6baf844e7b8901192a217d903f463f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting testing_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "16b04f97d9d21a77d06b285f4959c877d6baf844e7b8901192a217d903f463f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b04f97d9d21a77d06b285f4959c877d6baf844e7b8901192a217d903f463f7", kill_on_drop: false }`
[INFO] [stdout] 16b04f97d9d21a77d06b285f4959c877d6baf844e7b8901192a217d903f463f7