[INFO] fetching crate fallible-iterator 0.2.0...
[INFO] documenting fallible-iterator-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate fallible-iterator 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fallible-iterator 0.2.0 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 fallible-iterator 0.2.0
[INFO] finished tweaking crates.io crate fallible-iterator 0.2.0
[INFO] tweaked toml for crates.io crate fallible-iterator 0.2.0 written to /workspace/builds/worker-0/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-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" "+1.61.0" "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] 22876e0a8dac0d1f0594e79147d2b9634a538c907132f2f6dc0daa03555cb081
[INFO] running `Command { std: "docker" "start" "-a" "22876e0a8dac0d1f0594e79147d2b9634a538c907132f2f6dc0daa03555cb081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22876e0a8dac0d1f0594e79147d2b9634a538c907132f2f6dc0daa03555cb081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22876e0a8dac0d1f0594e79147d2b9634a538c907132f2f6dc0daa03555cb081", kill_on_drop: false }`
[INFO] [stdout] 22876e0a8dac0d1f0594e79147d2b9634a538c907132f2f6dc0daa03555cb081
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff49550e0b69e3fcff43d9fb0b91ba2e80fb7725d6fe0af2f8496f04ced9980f
[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" "ff49550e0b69e3fcff43d9fb0b91ba2e80fb7725d6fe0af2f8496f04ced9980f", kill_on_drop: false }`
[INFO] [stderr]  Documenting fallible-iterator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "ff49550e0b69e3fcff43d9fb0b91ba2e80fb7725d6fe0af2f8496f04ced9980f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff49550e0b69e3fcff43d9fb0b91ba2e80fb7725d6fe0af2f8496f04ced9980f", kill_on_drop: false }`
[INFO] [stdout] ff49550e0b69e3fcff43d9fb0b91ba2e80fb7725d6fe0af2f8496f04ced9980f
[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" "+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] 364b08b3c305e03be31d298ba5a9088180b48a5fb3dc86e8eff2c20fe785003a
[INFO] running `Command { std: "docker" "start" "-a" "364b08b3c305e03be31d298ba5a9088180b48a5fb3dc86e8eff2c20fe785003a", kill_on_drop: false }`
[INFO] [stderr]  Documenting fallible-iterator v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "364b08b3c305e03be31d298ba5a9088180b48a5fb3dc86e8eff2c20fe785003a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364b08b3c305e03be31d298ba5a9088180b48a5fb3dc86e8eff2c20fe785003a", kill_on_drop: false }`
[INFO] [stdout] 364b08b3c305e03be31d298ba5a9088180b48a5fb3dc86e8eff2c20fe785003a