[INFO] fetching crate fea-rs 0.0.0...
[INFO] documenting fea-rs-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate fea-rs 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fea-rs 0.0.0 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 fea-rs 0.0.0
[INFO] finished tweaking crates.io crate fea-rs 0.0.0
[INFO] tweaked toml for crates.io crate fea-rs 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fea-rs 0.0.0 already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 651267e7e990ca8e6c690a62fec2d2c0701d0079671d2b7f0640ab1a1af48347
[INFO] running `Command { std: "docker" "start" "-a" "651267e7e990ca8e6c690a62fec2d2c0701d0079671d2b7f0640ab1a1af48347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651267e7e990ca8e6c690a62fec2d2c0701d0079671d2b7f0640ab1a1af48347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651267e7e990ca8e6c690a62fec2d2c0701d0079671d2b7f0640ab1a1af48347", kill_on_drop: false }`
[INFO] [stdout] 651267e7e990ca8e6c690a62fec2d2c0701d0079671d2b7f0640ab1a1af48347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ca7a1c2a1a002da06348189a02c4d3fa926067caf78ad2c3e961ae07ef6e8111
[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" "ca7a1c2a1a002da06348189a02c4d3fa926067caf78ad2c3e961ae07ef6e8111", kill_on_drop: false }`
[INFO] [stderr]     Checking fea-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fea-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "ca7a1c2a1a002da06348189a02c4d3fa926067caf78ad2c3e961ae07ef6e8111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7a1c2a1a002da06348189a02c4d3fa926067caf78ad2c3e961ae07ef6e8111", kill_on_drop: false }`
[INFO] [stdout] ca7a1c2a1a002da06348189a02c4d3fa926067caf78ad2c3e961ae07ef6e8111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a781df1e5e7cf2e0ccb5d00751eceab0378fc95cacf1c23b8dc14fabc0f1c99b
[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" "a781df1e5e7cf2e0ccb5d00751eceab0378fc95cacf1c23b8dc14fabc0f1c99b", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]  Documenting fea-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "a781df1e5e7cf2e0ccb5d00751eceab0378fc95cacf1c23b8dc14fabc0f1c99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a781df1e5e7cf2e0ccb5d00751eceab0378fc95cacf1c23b8dc14fabc0f1c99b", kill_on_drop: false }`
[INFO] [stdout] a781df1e5e7cf2e0ccb5d00751eceab0378fc95cacf1c23b8dc14fabc0f1c99b