[INFO] fetching crate cranefack 0.4.0...
[INFO] documenting cranefack-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cranefack 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cranefack 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 cranefack 0.4.0
[INFO] finished tweaking crates.io crate cranefack 0.4.0
[INFO] tweaked toml for crates.io crate cranefack 0.4.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] aacf4417fec43b3986791d9d26871585024c2fc34d70691358171bfd3d920891
[INFO] running `Command { std: "docker" "start" "-a" "aacf4417fec43b3986791d9d26871585024c2fc34d70691358171bfd3d920891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aacf4417fec43b3986791d9d26871585024c2fc34d70691358171bfd3d920891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aacf4417fec43b3986791d9d26871585024c2fc34d70691358171bfd3d920891", kill_on_drop: false }`
[INFO] [stdout] aacf4417fec43b3986791d9d26871585024c2fc34d70691358171bfd3d920891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6f171260c7da78704675f70b9990a098a5f1044f4c0d0426478eb1bb71b79fd2
[INFO] running `Command { std: "docker" "start" "-a" "6f171260c7da78704675f70b9990a098a5f1044f4c0d0426478eb1bb71b79fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]     Checking cranelift-bforest v0.77.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling cranelift-codegen v0.77.0
[INFO] [stderr]     Checking cranelift-native v0.77.0
[INFO] [stderr]     Checking cranelift-frontend v0.77.0
[INFO] [stderr]     Checking cranelift-module v0.77.0
[INFO] [stderr]     Checking cranelift-jit v0.77.0
[INFO] [stderr]     Checking cranelift v0.77.0
[INFO] [stderr]  Documenting cranefack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "6f171260c7da78704675f70b9990a098a5f1044f4c0d0426478eb1bb71b79fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f171260c7da78704675f70b9990a098a5f1044f4c0d0426478eb1bb71b79fd2", kill_on_drop: false }`
[INFO] [stdout] 6f171260c7da78704675f70b9990a098a5f1044f4c0d0426478eb1bb71b79fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 776c52dab76dbcba569366d386fd72fc464457c0a636b25af95687a0dbeff7d5
[INFO] running `Command { std: "docker" "start" "-a" "776c52dab76dbcba569366d386fd72fc464457c0a636b25af95687a0dbeff7d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cranelift-entity v0.77.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.77.0
[INFO] [stderr]     Checking cranelift-bforest v0.77.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling cranelift-codegen v0.77.0
[INFO] [stderr]     Checking cranelift-native v0.77.0
[INFO] [stderr]     Checking cranelift-module v0.77.0
[INFO] [stderr]     Checking cranelift-frontend v0.77.0
[INFO] [stderr]     Checking cranelift-jit v0.77.0
[INFO] [stderr]     Checking cranelift v0.77.0
[INFO] [stderr]  Documenting cranefack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "776c52dab76dbcba569366d386fd72fc464457c0a636b25af95687a0dbeff7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776c52dab76dbcba569366d386fd72fc464457c0a636b25af95687a0dbeff7d5", kill_on_drop: false }`
[INFO] [stdout] 776c52dab76dbcba569366d386fd72fc464457c0a636b25af95687a0dbeff7d5