[INFO] fetching crate ddelta 0.2.1...
[INFO] documenting ddelta-0.2.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate ddelta 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ddelta 0.2.1 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 crates.io crate ddelta 0.2.1
[INFO] finished tweaking crates.io crate ddelta 0.2.1
[INFO] tweaked toml for crates.io crate ddelta 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ddelta 0.2.1 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 371d1904f1c3a50528f4570d93e3d7b023ab3e7d1a0f9378b098967bbfef6f44
[INFO] running `Command { std: "docker" "start" "-a" "371d1904f1c3a50528f4570d93e3d7b023ab3e7d1a0f9378b098967bbfef6f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371d1904f1c3a50528f4570d93e3d7b023ab3e7d1a0f9378b098967bbfef6f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371d1904f1c3a50528f4570d93e3d7b023ab3e7d1a0f9378b098967bbfef6f44", kill_on_drop: false }`
[INFO] [stdout] 371d1904f1c3a50528f4570d93e3d7b023ab3e7d1a0f9378b098967bbfef6f44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] aa8a0dc61b4d968da7797d3d4fad7c5e9cb14ec1e0f4357c07328748273d9b57
[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" "aa8a0dc61b4d968da7797d3d4fad7c5e9cb14ec1e0f4357c07328748273d9b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling cdivsufsort v2.0.0
[INFO] [stderr]     Checking sacabase v2.0.0
[INFO] [stderr]     Checking divsufsort v2.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]  Documenting ddelta v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.19s
[INFO] running `Command { std: "docker" "inspect" "aa8a0dc61b4d968da7797d3d4fad7c5e9cb14ec1e0f4357c07328748273d9b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a0dc61b4d968da7797d3d4fad7c5e9cb14ec1e0f4357c07328748273d9b57", kill_on_drop: false }`
[INFO] [stdout] aa8a0dc61b4d968da7797d3d4fad7c5e9cb14ec1e0f4357c07328748273d9b57