[INFO] cloning repository https://github.com/remexre/cbor2json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/cbor2json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fcbor2json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fcbor2json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab466f8a67c09ba7dd56b864075cd4f87e1c5205
[INFO] documenting remexre/cbor2json against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fcbor2json" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/cbor2json on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remexre/cbor2json
[INFO] finished tweaking git repo https://github.com/remexre/cbor2json
[INFO] tweaked toml for git repo https://github.com/remexre/cbor2json written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/cbor2json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 924cb072e66d5278ae58f1d7ac9a74649eab05e47c2783c55288d8c526954516
[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" "924cb072e66d5278ae58f1d7ac9a74649eab05e47c2783c55288d8c526954516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "924cb072e66d5278ae58f1d7ac9a74649eab05e47c2783c55288d8c526954516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924cb072e66d5278ae58f1d7ac9a74649eab05e47c2783c55288d8c526954516", kill_on_drop: false }`
[INFO] [stdout] 924cb072e66d5278ae58f1d7ac9a74649eab05e47c2783c55288d8c526954516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] da3a7825683bee17f4a80fdf31e192e550552d3f8396791914cfebc1e3779ff7
[INFO] running `Command { std: "docker" "start" "-a" "da3a7825683bee17f4a80fdf31e192e550552d3f8396791914cfebc1e3779ff7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking serde_cbor v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]  Documenting cbor2json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.08s
[INFO] running `Command { std: "docker" "inspect" "da3a7825683bee17f4a80fdf31e192e550552d3f8396791914cfebc1e3779ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3a7825683bee17f4a80fdf31e192e550552d3f8396791914cfebc1e3779ff7", kill_on_drop: false }`
[INFO] [stdout] da3a7825683bee17f4a80fdf31e192e550552d3f8396791914cfebc1e3779ff7