[INFO] fetching crate nimble 0.2.1...
[INFO] documenting nimble-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate nimble 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nimble 0.2.1 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 nimble 0.2.1
[INFO] finished tweaking crates.io crate nimble 0.2.1
[INFO] tweaked toml for crates.io crate nimble 0.2.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d20fa63d106df3abc5474f66aa143142a7f3d16870f0d164cc2eff9517b7e911
[INFO] running `Command { std: "docker" "start" "-a" "d20fa63d106df3abc5474f66aa143142a7f3d16870f0d164cc2eff9517b7e911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20fa63d106df3abc5474f66aa143142a7f3d16870f0d164cc2eff9517b7e911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20fa63d106df3abc5474f66aa143142a7f3d16870f0d164cc2eff9517b7e911", kill_on_drop: false }`
[INFO] [stdout] d20fa63d106df3abc5474f66aa143142a7f3d16870f0d164cc2eff9517b7e911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bb2b07bab4be76925ec82a4cb03ff1291d5032d5ea07a425f3be896f25e73b0a
[INFO] running `Command { std: "docker" "start" "-a" "bb2b07bab4be76925ec82a4cb03ff1291d5032d5ea07a425f3be896f25e73b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]  Documenting nimble v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "bb2b07bab4be76925ec82a4cb03ff1291d5032d5ea07a425f3be896f25e73b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2b07bab4be76925ec82a4cb03ff1291d5032d5ea07a425f3be896f25e73b0a", kill_on_drop: false }`
[INFO] [stdout] bb2b07bab4be76925ec82a4cb03ff1291d5032d5ea07a425f3be896f25e73b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8723ddf5a5f78e03b1bb4b9b075f53f743aa2605747ef238c16d3509c2f7bee2
[INFO] running `Command { std: "docker" "start" "-a" "8723ddf5a5f78e03b1bb4b9b075f53f743aa2605747ef238c16d3509c2f7bee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]  Documenting nimble v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.91s
[INFO] running `Command { std: "docker" "inspect" "8723ddf5a5f78e03b1bb4b9b075f53f743aa2605747ef238c16d3509c2f7bee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8723ddf5a5f78e03b1bb4b9b075f53f743aa2605747ef238c16d3509c2f7bee2", kill_on_drop: false }`
[INFO] [stdout] 8723ddf5a5f78e03b1bb4b9b075f53f743aa2605747ef238c16d3509c2f7bee2