[INFO] cloning repository https://github.com/happychameleon/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/happychameleon/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappychameleon%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappychameleon%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba8b97f79664bbdf148d8b35fdb8fdddb7c4f81
[INFO] documenting happychameleon/rust_practice 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%2Fhappychameleon%2Frust_practice" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/happychameleon/rust_practice 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/happychameleon/rust_practice
[INFO] finished tweaking git repo https://github.com/happychameleon/rust_practice
[INFO] tweaked toml for git repo https://github.com/happychameleon/rust_practice written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/happychameleon/rust_practice 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] e27387a5c2c8d1bde55df2f397fffa6a54f6cfbc9dc89f02bee3a4a2104ac3fe
[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" "e27387a5c2c8d1bde55df2f397fffa6a54f6cfbc9dc89f02bee3a4a2104ac3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27387a5c2c8d1bde55df2f397fffa6a54f6cfbc9dc89f02bee3a4a2104ac3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27387a5c2c8d1bde55df2f397fffa6a54f6cfbc9dc89f02bee3a4a2104ac3fe", kill_on_drop: false }`
[INFO] [stdout] e27387a5c2c8d1bde55df2f397fffa6a54f6cfbc9dc89f02bee3a4a2104ac3fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c695d8f1e00c9e35eeba685d551469b87472c8519f328922efe3f2c5b042bd9b
[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" "c695d8f1e00c9e35eeba685d551469b87472c8519f328922efe3f2c5b042bd9b", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Foo_two` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1088:6
[INFO] [stdout]      |
[INFO] [stdout] 1088 | enum Foo_two {
[INFO] [stdout]      |      ^^^^^^^ help: convert the identifier to upper camel case: `FooTwo`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Point_new` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1551:8
[INFO] [stdout]      |
[INFO] [stdout] 1551 | struct Point_new {
[INFO] [stdout]      |        ^^^^^^^^^ help: convert the identifier to upper camel case: `PointNew`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Rectangle_new` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1571:8
[INFO] [stdout]      |
[INFO] [stdout] 1571 | struct Rectangle_new {
[INFO] [stdout]      |        ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RectangleNew`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/main.rs:1587:9
[INFO] [stdout]      |
[INFO] [stdout] 1587 |         ((x1 - x2).abs() + (y1 - y2).abs())
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Pair_new` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1609:8
[INFO] [stdout]      |
[INFO] [stdout] 1609 | struct Pair_new(Box<i32>, Box<i32>);
[INFO] [stdout]      |        ^^^^^^^^ help: convert the identifier to upper camel case: `PairNew`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "c695d8f1e00c9e35eeba685d551469b87472c8519f328922efe3f2c5b042bd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c695d8f1e00c9e35eeba685d551469b87472c8519f328922efe3f2c5b042bd9b", kill_on_drop: false }`
[INFO] [stdout] c695d8f1e00c9e35eeba685d551469b87472c8519f328922efe3f2c5b042bd9b