[INFO] fetching crate check-if-email-exists 0.8.7...
[INFO] documenting check-if-email-exists-0.8.7 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate check-if-email-exists 0.8.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate check-if-email-exists 0.8.7 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 check-if-email-exists 0.8.7
[INFO] finished tweaking crates.io crate check-if-email-exists 0.8.7
[INFO] tweaked toml for crates.io crate check-if-email-exists 0.8.7 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c64178d98a470e91b61c9b9429ebb0a05d1309f7f94048d8db1f778d5a3fd3fb
[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" "c64178d98a470e91b61c9b9429ebb0a05d1309f7f94048d8db1f778d5a3fd3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c64178d98a470e91b61c9b9429ebb0a05d1309f7f94048d8db1f778d5a3fd3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64178d98a470e91b61c9b9429ebb0a05d1309f7f94048d8db1f778d5a3fd3fb", kill_on_drop: false }`
[INFO] [stdout] c64178d98a470e91b61c9b9429ebb0a05d1309f7f94048d8db1f778d5a3fd3fb
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387d28b40a9bf0e5708167c8e61707bca6e9e4012cb6a4286f90e45eb4329b37
[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" "387d28b40a9bf0e5708167c8e61707bca6e9e4012cb6a4286f90e45eb4329b37", kill_on_drop: false }`
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[INFO] [stderr]  Documenting check-if-email-exists v0.8.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[check_email]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/util/input_output.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | /// The result of the [check_email](check_email) function.
[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: `[check_email]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/util/input_output.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | /// The result of the [check_email](check_email) function.
[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 2m 33s
[INFO] running `Command { std: "docker" "inspect" "387d28b40a9bf0e5708167c8e61707bca6e9e4012cb6a4286f90e45eb4329b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387d28b40a9bf0e5708167c8e61707bca6e9e4012cb6a4286f90e45eb4329b37", kill_on_drop: false }`
[INFO] [stdout] 387d28b40a9bf0e5708167c8e61707bca6e9e4012cb6a4286f90e45eb4329b37