[INFO] cloning repository https://github.com/pixlark/rust-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixlark/rust-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c4cad366c974d5471e6db2a1b727b8c9133b342
[INFO] documenting pixlark/rust-2048 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pixlark/rust-2048 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pixlark/rust-2048
[INFO] finished tweaking git repo https://github.com/pixlark/rust-2048
[INFO] tweaked toml for git repo https://github.com/pixlark/rust-2048 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pixlark/rust-2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "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] e84507ca7bb1a80ae3aad67a30e75d747ef8541b8b42c11d0718c5837555e20a
[INFO] running `Command { std: "docker" "start" "-a" "e84507ca7bb1a80ae3aad67a30e75d747ef8541b8b42c11d0718c5837555e20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e84507ca7bb1a80ae3aad67a30e75d747ef8541b8b42c11d0718c5837555e20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84507ca7bb1a80ae3aad67a30e75d747ef8541b8b42c11d0718c5837555e20a", kill_on_drop: false }`
[INFO] [stdout] e84507ca7bb1a80ae3aad67a30e75d747ef8541b8b42c11d0718c5837555e20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418a9c5ffbeffe5ecf7fb2e9f91267e83fa10f3c7e0bf6e566255e2ca247caee
[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" "418a9c5ffbeffe5ecf7fb2e9f91267e83fa10f3c7e0bf6e566255e2ca247caee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling game-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]  Documenting game-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `v2` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct v2 {
[INFO] [stdout]    |        ^^ help: convert the identifier to upper camel case (notice the capitalization): `V2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `color_map` should have an upper case name
[INFO] [stdout]   --> src/main.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     static ref color_map: HashMap<u64, Color> = {
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `COLOR_MAP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.47s
[INFO] running `Command { std: "docker" "inspect" "418a9c5ffbeffe5ecf7fb2e9f91267e83fa10f3c7e0bf6e566255e2ca247caee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418a9c5ffbeffe5ecf7fb2e9f91267e83fa10f3c7e0bf6e566255e2ca247caee", kill_on_drop: false }`
[INFO] [stdout] 418a9c5ffbeffe5ecf7fb2e9f91267e83fa10f3c7e0bf6e566255e2ca247caee