[INFO] cloning repository https://github.com/Qubeo/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Qubeo/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQubeo%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQubeo%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9be0e677f4ccde4ba9f006f82a8fafd6a373214
[INFO] documenting Qubeo/hello-rust 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%2FQubeo%2Fhello-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Qubeo/hello-rust 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/Qubeo/hello-rust
[INFO] finished tweaking git repo https://github.com/Qubeo/hello-rust
[INFO] tweaked toml for git repo https://github.com/Qubeo/hello-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Qubeo/hello-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] ed475728f415541498a6f4365019f8a21a867680efe6b19466c190c0ef514530
[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" "ed475728f415541498a6f4365019f8a21a867680efe6b19466c190c0ef514530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed475728f415541498a6f4365019f8a21a867680efe6b19466c190c0ef514530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed475728f415541498a6f4365019f8a21a867680efe6b19466c190c0ef514530", kill_on_drop: false }`
[INFO] [stdout] ed475728f415541498a6f4365019f8a21a867680efe6b19466c190c0ef514530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 46900c4ccc8a1ec6b8bddb02d82bf28e860ad658be26a85e55264e93a0cfc72d
[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" "46900c4ccc8a1ec6b8bddb02d82bf28e860ad658be26a85e55264e93a0cfc72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]  Documenting hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `u32ff` should have an upper camel case name
[INFO] [stdout]   --> src/grid/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct u32ff {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `U32ff`
[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 46.05s
[INFO] running `Command { std: "docker" "inspect" "46900c4ccc8a1ec6b8bddb02d82bf28e860ad658be26a85e55264e93a0cfc72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46900c4ccc8a1ec6b8bddb02d82bf28e860ad658be26a85e55264e93a0cfc72d", kill_on_drop: false }`
[INFO] [stdout] 46900c4ccc8a1ec6b8bddb02d82bf28e860ad658be26a85e55264e93a0cfc72d