[INFO] fetching crate substorager 0.7.0...
[INFO] documenting substorager-0.7.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate substorager 0.7.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate substorager 0.7.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substorager 0.7.0
[INFO] finished tweaking crates.io crate substorager 0.7.0
[INFO] tweaked toml for crates.io crate substorager 0.7.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-bytes v1.5.2
[INFO] [stderr]   Downloaded subhasher v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 018ec926f2a160508f16af04a4e9c7dfdd3f1fbdc8d8f06be5b6bc0e5564432b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "018ec926f2a160508f16af04a4e9c7dfdd3f1fbdc8d8f06be5b6bc0e5564432b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "018ec926f2a160508f16af04a4e9c7dfdd3f1fbdc8d8f06be5b6bc0e5564432b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018ec926f2a160508f16af04a4e9c7dfdd3f1fbdc8d8f06be5b6bc0e5564432b", kill_on_drop: false }`
[INFO] [stdout] 018ec926f2a160508f16af04a4e9c7dfdd3f1fbdc8d8f06be5b6bc0e5564432b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6392eb013e34c17a3795d595cd37a89b8fecc9783c2cc75efaa148e73a5dfa67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6392eb013e34c17a3795d595cd37a89b8fecc9783c2cc75efaa148e73a5dfa67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking array-bytes v1.5.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking subhasher v0.7.0
[INFO] [stderr]  Documenting substorager v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.86s
[INFO] running `Command { std: "docker" "inspect" "6392eb013e34c17a3795d595cd37a89b8fecc9783c2cc75efaa148e73a5dfa67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6392eb013e34c17a3795d595cd37a89b8fecc9783c2cc75efaa148e73a5dfa67", kill_on_drop: false }`
[INFO] [stdout] 6392eb013e34c17a3795d595cd37a89b8fecc9783c2cc75efaa148e73a5dfa67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "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] f6e30c72a072b6a9c977dd88351dea5b526a81b68966ef4d8d8b399727dee360
[INFO] running `Command { std: "docker" "start" "-a" "f6e30c72a072b6a9c977dd88351dea5b526a81b68966ef4d8d8b399727dee360", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking array-bytes v1.5.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking subhasher v0.7.0
[INFO] [stderr]  Documenting substorager v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `Command { std: "docker" "inspect" "f6e30c72a072b6a9c977dd88351dea5b526a81b68966ef4d8d8b399727dee360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e30c72a072b6a9c977dd88351dea5b526a81b68966ef4d8d8b399727dee360", kill_on_drop: false }`
[INFO] [stdout] f6e30c72a072b6a9c977dd88351dea5b526a81b68966ef4d8d8b399727dee360