[INFO] fetching crate cstr_core 0.2.0...
[INFO] documenting cstr_core-0.2.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate cstr_core 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cstr_core 0.2.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cstr_core 0.2.0
[INFO] finished tweaking crates.io crate cstr_core 0.2.0
[INFO] tweaked toml for crates.io crate cstr_core 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4db0f22ee5f0b4ce4b936bacb6b9be2f878e7d022c2802be43ae8d7cbbad648
[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" "c4db0f22ee5f0b4ce4b936bacb6b9be2f878e7d022c2802be43ae8d7cbbad648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4db0f22ee5f0b4ce4b936bacb6b9be2f878e7d022c2802be43ae8d7cbbad648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4db0f22ee5f0b4ce4b936bacb6b9be2f878e7d022c2802be43ae8d7cbbad648", kill_on_drop: false }`
[INFO] [stdout] c4db0f22ee5f0b4ce4b936bacb6b9be2f878e7d022c2802be43ae8d7cbbad648
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa2a9949e1be8592adcbfa127ee749064cc5af37ebfe12c494d737f38f00e3d
[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" "6aa2a9949e1be8592adcbfa127ee749064cc5af37ebfe12c494d737f38f00e3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]  Documenting cstr_core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[String]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:153:50
[INFO] [stdout]     |
[INFO] [stdout] 153 | /// `&CStr` is to [`CString`] as [`&str`] is to [`String`]: the former
[INFO] [stdout]     |                                                  ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[String]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:194:48
[INFO] [stdout]     |
[INFO] [stdout] 194 | /// Converting a foreign C string into a Rust [`String`]:
[INFO] [stdout]     |                                                ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "6aa2a9949e1be8592adcbfa127ee749064cc5af37ebfe12c494d737f38f00e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa2a9949e1be8592adcbfa127ee749064cc5af37ebfe12c494d737f38f00e3d", kill_on_drop: false }`
[INFO] [stdout] 6aa2a9949e1be8592adcbfa127ee749064cc5af37ebfe12c494d737f38f00e3d