[INFO] fetching crate bufferedreader 1.0.0...
[INFO] documenting bufferedreader-1.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate bufferedreader 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bufferedreader 1.0.0 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 bufferedreader 1.0.0
[INFO] finished tweaking crates.io crate bufferedreader 1.0.0
[INFO] tweaked toml for crates.io crate bufferedreader 1.0.0 written to /workspace/builds/worker-7/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] 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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f0d1e4668bdddf8e00c7a5495690826f379dbcf124e131538da110a03ea4e6e
[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" "3f0d1e4668bdddf8e00c7a5495690826f379dbcf124e131538da110a03ea4e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f0d1e4668bdddf8e00c7a5495690826f379dbcf124e131538da110a03ea4e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0d1e4668bdddf8e00c7a5495690826f379dbcf124e131538da110a03ea4e6e", kill_on_drop: false }`
[INFO] [stdout] 3f0d1e4668bdddf8e00c7a5495690826f379dbcf124e131538da110a03ea4e6e
[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" "+1.61.0" "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] b8b21879a51f80caeb728f6587a790f4d3acf715f12804363e97bf4e63c5c68f
[INFO] running `Command { std: "docker" "start" "-a" "b8b21879a51f80caeb728f6587a790f4d3acf715f12804363e97bf4e63c5c68f", kill_on_drop: false }`
[INFO] [stderr]  Documenting bufferedreader v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "b8b21879a51f80caeb728f6587a790f4d3acf715f12804363e97bf4e63c5c68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b21879a51f80caeb728f6587a790f4d3acf715f12804363e97bf4e63c5c68f", kill_on_drop: false }`
[INFO] [stdout] b8b21879a51f80caeb728f6587a790f4d3acf715f12804363e97bf4e63c5c68f
[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" "+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] e26dc9170a3b78d3ae98f7711f7040b5c139081e578a48455e671d41d69c5bb1
[INFO] running `Command { std: "docker" "start" "-a" "e26dc9170a3b78d3ae98f7711f7040b5c139081e578a48455e671d41d69c5bb1", kill_on_drop: false }`
[INFO] [stderr]  Documenting bufferedreader v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "e26dc9170a3b78d3ae98f7711f7040b5c139081e578a48455e671d41d69c5bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26dc9170a3b78d3ae98f7711f7040b5c139081e578a48455e671d41d69c5bb1", kill_on_drop: false }`
[INFO] [stdout] e26dc9170a3b78d3ae98f7711f7040b5c139081e578a48455e671d41d69c5bb1