[INFO] fetching crate icu_casemapping 0.1.0...
[INFO] documenting icu_casemapping-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate icu_casemapping 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate icu_casemapping 0.1.0 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 icu_casemapping 0.1.0
[INFO] finished tweaking crates.io crate icu_casemapping 0.1.0
[INFO] tweaked toml for crates.io crate icu_casemapping 0.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f59e5d00ba0d623516b62d56affccd3d9fa1a427a95d946bb9cd513c6b67fba9
[INFO] running `Command { std: "docker" "start" "-a" "f59e5d00ba0d623516b62d56affccd3d9fa1a427a95d946bb9cd513c6b67fba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f59e5d00ba0d623516b62d56affccd3d9fa1a427a95d946bb9cd513c6b67fba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59e5d00ba0d623516b62d56affccd3d9fa1a427a95d946bb9cd513c6b67fba9", kill_on_drop: false }`
[INFO] [stdout] f59e5d00ba0d623516b62d56affccd3d9fa1a427a95d946bb9cd513c6b67fba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] efe60f608f14f930aa1b5a3c89863345d5be2aac4416e1df5bbba9efdc796bae
[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" "efe60f608f14f930aa1b5a3c89863345d5be2aac4416e1df5bbba9efdc796bae", 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 unicode-xid v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking litemap v0.4.0
[INFO] [stderr]     Checking writeable v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.0
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling yoke-derive v0.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.6.0
[INFO] [stderr]    Compiling icu_provider_macros v0.6.0
[INFO] [stderr]     Checking tinystr v0.6.0
[INFO] [stderr]     Checking icu_locid v0.6.0
[INFO] [stderr]     Checking zerofrom v0.1.0
[INFO] [stderr]     Checking yoke v0.5.0
[INFO] [stderr]     Checking zerovec v0.7.0
[INFO] [stderr]     Checking icu_uniset v0.5.0
[INFO] [stderr]     Checking icu_provider v0.6.0
[INFO] [stderr]     Checking icu_codepointtrie v0.4.0
[INFO] [stderr]  Documenting icu_casemapping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.47s
[INFO] running `Command { std: "docker" "inspect" "efe60f608f14f930aa1b5a3c89863345d5be2aac4416e1df5bbba9efdc796bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe60f608f14f930aa1b5a3c89863345d5be2aac4416e1df5bbba9efdc796bae", kill_on_drop: false }`
[INFO] [stdout] efe60f608f14f930aa1b5a3c89863345d5be2aac4416e1df5bbba9efdc796bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 44a1363200a5f88ef6afbe703133073924b87882da62000cb57f6ce23bc5b33f
[INFO] running `Command { std: "docker" "start" "-a" "44a1363200a5f88ef6afbe703133073924b87882da62000cb57f6ce23bc5b33f", 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 unicode-xid v0.2.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking writeable v0.4.0
[INFO] [stderr]     Checking litemap v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.0
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling yoke-derive v0.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.6.0
[INFO] [stderr]    Compiling icu_provider_macros v0.6.0
[INFO] [stderr]     Checking tinystr v0.6.0
[INFO] [stderr]     Checking icu_locid v0.6.0
[INFO] [stderr]     Checking zerofrom v0.1.0
[INFO] [stderr]     Checking yoke v0.5.0
[INFO] [stderr]     Checking zerovec v0.7.0
[INFO] [stderr]     Checking icu_uniset v0.5.0
[INFO] [stderr]     Checking icu_provider v0.6.0
[INFO] [stderr]     Checking icu_codepointtrie v0.4.0
[INFO] [stderr]  Documenting icu_casemapping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.20s
[INFO] running `Command { std: "docker" "inspect" "44a1363200a5f88ef6afbe703133073924b87882da62000cb57f6ce23bc5b33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a1363200a5f88ef6afbe703133073924b87882da62000cb57f6ce23bc5b33f", kill_on_drop: false }`
[INFO] [stdout] 44a1363200a5f88ef6afbe703133073924b87882da62000cb57f6ce23bc5b33f