[INFO] fetching crate discid-sys 0.4.0...
[INFO] documenting discid-sys-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate discid-sys 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate discid-sys 0.4.0 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 discid-sys 0.4.0
[INFO] finished tweaking crates.io crate discid-sys 0.4.0
[INFO] tweaked toml for crates.io crate discid-sys 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate discid-sys 0.4.0 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a5e2893c44098217de0e4f3369cc416d7a2ebcdc8f2a1ace8a8c6e2a829ae372
[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" "a5e2893c44098217de0e4f3369cc416d7a2ebcdc8f2a1ace8a8c6e2a829ae372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e2893c44098217de0e4f3369cc416d7a2ebcdc8f2a1ace8a8c6e2a829ae372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e2893c44098217de0e4f3369cc416d7a2ebcdc8f2a1ace8a8c6e2a829ae372", kill_on_drop: false }`
[INFO] [stdout] a5e2893c44098217de0e4f3369cc416d7a2ebcdc8f2a1ace8a8c6e2a829ae372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4b4d7173c6a4d856d0fbd74a996ca35cc9c10bdb06b9c9468a809a627ecedbc8
[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" "4b4d7173c6a4d856d0fbd74a996ca35cc9c10bdb06b9c9468a809a627ecedbc8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling discid-sys v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting discid-sys v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.77s
[INFO] running `Command { std: "docker" "inspect" "4b4d7173c6a4d856d0fbd74a996ca35cc9c10bdb06b9c9468a809a627ecedbc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4d7173c6a4d856d0fbd74a996ca35cc9c10bdb06b9c9468a809a627ecedbc8", kill_on_drop: false }`
[INFO] [stdout] 4b4d7173c6a4d856d0fbd74a996ca35cc9c10bdb06b9c9468a809a627ecedbc8