[INFO] fetching crate c-ares-resolver 7.1.2...
[INFO] documenting c-ares-resolver-7.1.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate c-ares-resolver 7.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate c-ares-resolver 7.1.2 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares-resolver 7.1.2
[INFO] finished tweaking crates.io crate c-ares-resolver 7.1.2
[INFO] tweaked toml for crates.io crate c-ares-resolver 7.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate c-ares-resolver 7.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c87bee81f39a3ec93ceab667d50ce7c7f9e42efd4d223a23d9aae1c34dde508
[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" "0c87bee81f39a3ec93ceab667d50ce7c7f9e42efd4d223a23d9aae1c34dde508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c87bee81f39a3ec93ceab667d50ce7c7f9e42efd4d223a23d9aae1c34dde508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c87bee81f39a3ec93ceab667d50ce7c7f9e42efd4d223a23d9aae1c34dde508", kill_on_drop: false }`
[INFO] [stdout] 0c87bee81f39a3ec93ceab667d50ce7c7f9e42efd4d223a23d9aae1c34dde508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe9b0c61200e015389981c4f8a1cf33d9e55753561f0c558aa64ac55ecc4f94
[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" "5fe9b0c61200e015389981c4f8a1cf33d9e55753561f0c558aa64ac55ecc4f94", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking c-types v2.0.2
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]    Compiling c-ares-sys v5.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking c-ares v7.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting c-ares-resolver v7.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `Command { std: "docker" "inspect" "5fe9b0c61200e015389981c4f8a1cf33d9e55753561f0c558aa64ac55ecc4f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe9b0c61200e015389981c4f8a1cf33d9e55753561f0c558aa64ac55ecc4f94", kill_on_drop: false }`
[INFO] [stdout] 5fe9b0c61200e015389981c4f8a1cf33d9e55753561f0c558aa64ac55ecc4f94