[INFO] cloning 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" "clone" "--bare" "https://github.com/Feelx234/rust_subgroup_discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bbc95d4822a8baeb23aeb17bbf0d22998e89c43
[INFO] documenting Feelx234/rust_subgroup_discovery against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFeelx234%2Frust_subgroup_discovery" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Feelx234/rust_subgroup_discovery on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-11/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded py_literal v0.2.1
[INFO] [stderr]   Downloaded podio v0.1.6
[INFO] [stderr]   Downloaded ndarray-npy v0.5.0
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded zip v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] a2c77c651954fda379d917ec946417964f922a7a1514f8cce38b5e46c66b9413
[INFO] running `Command { std: "docker" "start" "-a" "a2c77c651954fda379d917ec946417964f922a7a1514f8cce38b5e46c66b9413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c77c651954fda379d917ec946417964f922a7a1514f8cce38b5e46c66b9413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c77c651954fda379d917ec946417964f922a7a1514f8cce38b5e46c66b9413", kill_on_drop: false }`
[INFO] [stdout] a2c77c651954fda379d917ec946417964f922a7a1514f8cce38b5e46c66b9413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e491b4e51b4aca0a152434713b85a37a1bc18a400681d5ff2cab979e43170e
[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" "d1e491b4e51b4aca0a152434713b85a37a1bc18a400681d5ff2cab979e43170e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking ndarray v0.13.0
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.16s
[INFO] running `Command { std: "docker" "inspect" "d1e491b4e51b4aca0a152434713b85a37a1bc18a400681d5ff2cab979e43170e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e491b4e51b4aca0a152434713b85a37a1bc18a400681d5ff2cab979e43170e", kill_on_drop: false }`
[INFO] [stdout] d1e491b4e51b4aca0a152434713b85a37a1bc18a400681d5ff2cab979e43170e