[INFO] fetching crate mycroft 0.0.1...
[INFO] documenting mycroft-0.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mycroft 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mycroft 0.0.1 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 mycroft 0.0.1
[INFO] finished tweaking crates.io crate mycroft 0.0.1
[INFO] tweaked toml for crates.io crate mycroft 0.0.1 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 07fbe93df138d81d246cd935b98a58d90e40923c4e9e881f7f38cd65a5d3a7de
[INFO] running `Command { std: "docker" "start" "-a" "07fbe93df138d81d246cd935b98a58d90e40923c4e9e881f7f38cd65a5d3a7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fbe93df138d81d246cd935b98a58d90e40923c4e9e881f7f38cd65a5d3a7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fbe93df138d81d246cd935b98a58d90e40923c4e9e881f7f38cd65a5d3a7de", kill_on_drop: false }`
[INFO] [stdout] 07fbe93df138d81d246cd935b98a58d90e40923c4e9e881f7f38cd65a5d3a7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0b036e8276d0343a6b2f26b04250af88515b4228cea6831ffec0cd5b566a5026
[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" "0b036e8276d0343a6b2f26b04250af88515b4228cea6831ffec0cd5b566a5026", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]  Documenting mycroft v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.52s
[INFO] running `Command { std: "docker" "inspect" "0b036e8276d0343a6b2f26b04250af88515b4228cea6831ffec0cd5b566a5026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b036e8276d0343a6b2f26b04250af88515b4228cea6831ffec0cd5b566a5026", kill_on_drop: false }`
[INFO] [stdout] 0b036e8276d0343a6b2f26b04250af88515b4228cea6831ffec0cd5b566a5026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+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] fcf665b980a6d3d7deb5078e3a29609e9978151d95c559c418c93917b95c407b
[INFO] running `Command { std: "docker" "start" "-a" "fcf665b980a6d3d7deb5078e3a29609e9978151d95c559c418c93917b95c407b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]  Documenting mycroft v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.09s
[INFO] running `Command { std: "docker" "inspect" "fcf665b980a6d3d7deb5078e3a29609e9978151d95c559c418c93917b95c407b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf665b980a6d3d7deb5078e3a29609e9978151d95c559c418c93917b95c407b", kill_on_drop: false }`
[INFO] [stdout] fcf665b980a6d3d7deb5078e3a29609e9978151d95c559c418c93917b95c407b