[INFO] updating cached repository https://github.com/yxxx5/leetcode_rusrt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31eca0197ae14438fed9f6280b93bbc4ecc26e9b [INFO] documenting yxxx5/leetcode_rusrt against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyxxx5%2Fleetcode_rusrt" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yxxx5/leetcode_rusrt 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/yxxx5/leetcode_rusrt [INFO] finished tweaking git repo https://github.com/yxxx5/leetcode_rusrt [INFO] tweaked toml for git repo https://github.com/yxxx5/leetcode_rusrt written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/yxxx5/leetcode_rusrt 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] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-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" "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] 2bbc579299e4ce16a2752f4815c4cdb0b1f2ff0ab8020750887bcf7c35e90310 [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" "2bbc579299e4ce16a2752f4815c4cdb0b1f2ff0ab8020750887bcf7c35e90310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bbc579299e4ce16a2752f4815c4cdb0b1f2ff0ab8020750887bcf7c35e90310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bbc579299e4ce16a2752f4815c4cdb0b1f2ff0ab8020750887bcf7c35e90310", kill_on_drop: false }` [INFO] [stdout] 2bbc579299e4ce16a2752f4815c4cdb0b1f2ff0ab8020750887bcf7c35e90310 [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" "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] 27169b457c0f2cb4e5be90e509741a98a4290691529a0f053c6bd0444a4cf2ab [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" "27169b457c0f2cb4e5be90e509741a98a4290691529a0f053c6bd0444a4cf2ab", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling leetcode_test v0.1.1 [INFO] [stderr] Checking leetcode_prelude v0.2.2 [INFO] [stderr] Documenting leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `makeRcTree` should have a snake case name [INFO] [stdout] --> src/merge_trees/mod.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn makeRcTree(val:i32) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `make_rc_tree` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `treeLen` should have a snake case name [INFO] [stdout] --> src/kth_smallest_element_in_a_bst/mod.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn treeLen(root: Option>>) -> i32{ [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `tree_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.91s [INFO] running `Command { std: "docker" "inspect" "27169b457c0f2cb4e5be90e509741a98a4290691529a0f053c6bd0444a4cf2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27169b457c0f2cb4e5be90e509741a98a4290691529a0f053c6bd0444a4cf2ab", kill_on_drop: false }` [INFO] [stdout] 27169b457c0f2cb4e5be90e509741a98a4290691529a0f053c6bd0444a4cf2ab