[INFO] updating cached repository https://github.com/Feelx234/rust_subgroup_discovery
[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] 2bbc95d4822a8baeb23aeb17bbf0d22998e89c43
[INFO] documenting Feelx234/rust_subgroup_discovery against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Feelx234/rust_subgroup_discovery 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/Feelx234/rust_subgroup_discovery
[INFO] finished tweaking git repo https://github.com/Feelx234/rust_subgroup_discovery
[INFO] tweaked toml for git repo https://github.com/Feelx234/rust_subgroup_discovery written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Feelx234/rust_subgroup_discovery 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c96d8d746ecbb79ad12d40f31ad9fd1e672b8b1bb7ff17d869a36e7f005db8df
[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" "c96d8d746ecbb79ad12d40f31ad9fd1e672b8b1bb7ff17d869a36e7f005db8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c96d8d746ecbb79ad12d40f31ad9fd1e672b8b1bb7ff17d869a36e7f005db8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96d8d746ecbb79ad12d40f31ad9fd1e672b8b1bb7ff17d869a36e7f005db8df", kill_on_drop: false }`
[INFO] [stdout] c96d8d746ecbb79ad12d40f31ad9fd1e672b8b1bb7ff17d869a36e7f005db8df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a0e7932fadb75f1f04e54dcc3f4e03b88ad8cf0dec70caff5f96b89d0c83efda
[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" "a0e7932fadb75f1f04e54dcc3f4e03b88ad8cf0dec70caff5f96b89d0c83efda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking py_literal v0.2.1
[INFO] [stderr]     Checking ndarray-npy v0.5.0
[INFO] [stderr]  Documenting hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `target_type` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type target_type = u16;
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DFS` should have a snake case name
[INFO] [stdout]    --> src/main.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn DFS(prefix : &mut Vec<usize> ,
[INFO] [stdout]     |    ^^^ help: convert the identifier to snake case: `dfs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Apriori` should have a snake case name
[INFO] [stdout]    --> src/main.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn Apriori(qf : & impl QualityFunction,
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `apriori`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `Command { std: "docker" "inspect" "a0e7932fadb75f1f04e54dcc3f4e03b88ad8cf0dec70caff5f96b89d0c83efda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e7932fadb75f1f04e54dcc3f4e03b88ad8cf0dec70caff5f96b89d0c83efda", kill_on_drop: false }`
[INFO] [stdout] a0e7932fadb75f1f04e54dcc3f4e03b88ad8cf0dec70caff5f96b89d0c83efda