[INFO] cloning repository https://github.com/adi/immutable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adi/immutable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5560de697a5b9d0889b193a65e54d4ce89b19e3
[INFO] documenting adi/immutable against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adi/immutable on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adi/immutable
[INFO] finished tweaking git repo https://github.com/adi/immutable
[INFO] tweaked toml for git repo https://github.com/adi/immutable written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/adi/immutable already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b75da4fd10f4692800e4765992eed8d4b98e7f406a7595d58910f408319efbfc
[INFO] running `Command { std: "docker" "start" "-a" "b75da4fd10f4692800e4765992eed8d4b98e7f406a7595d58910f408319efbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75da4fd10f4692800e4765992eed8d4b98e7f406a7595d58910f408319efbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75da4fd10f4692800e4765992eed8d4b98e7f406a7595d58910f408319efbfc", kill_on_drop: false }`
[INFO] [stdout] b75da4fd10f4692800e4765992eed8d4b98e7f406a7595d58910f408319efbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13508c90819581ce4f5e63bf6954dfcdb203724f9d51a88112639458abbc2c23
[INFO] running `Command { std: "docker" "start" "-a" "13508c90819581ce4f5e63bf6954dfcdb203724f9d51a88112639458abbc2c23", kill_on_drop: false }`
[INFO] [stderr]     Checking immutable v0.1.0 (/opt/rustwide/workdir/immutable)
[INFO] [stderr]  Documenting immutable v0.1.0 (/opt/rustwide/workdir/immutable)
[INFO] [stdout] warning: field `v` is never read
[INFO] [stdout]   --> immutable/src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Set<T: Clone> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 35 |     v: Vec<Rc<T>>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Set` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `v` is never read
[INFO] [stdout]   --> immutable/src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Vector<T: Clone> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 46 |     v: Vec<Rc<T>>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vector` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first` and `second` are never read
[INFO] [stdout]   --> immutable/src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Pair<T: Clone, U: Clone> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 57 |     first: Rc<T>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 58 |     second: Rc<U>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Pair` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairs` is never read
[INFO] [stdout]   --> immutable/src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Hashmap<T: Clone, U: Clone> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 69 |     pairs: Vec<Pair<Rc<T>, Rc<U>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hashmap` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "13508c90819581ce4f5e63bf6954dfcdb203724f9d51a88112639458abbc2c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13508c90819581ce4f5e63bf6954dfcdb203724f9d51a88112639458abbc2c23", kill_on_drop: false }`
[INFO] [stdout] 13508c90819581ce4f5e63bf6954dfcdb203724f9d51a88112639458abbc2c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95fb23f0874039a3a20ca2cf0c86dff5843a9146565414b2971e099e514dc238
[INFO] running `Command { std: "docker" "start" "-a" "95fb23f0874039a3a20ca2cf0c86dff5843a9146565414b2971e099e514dc238", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "95fb23f0874039a3a20ca2cf0c86dff5843a9146565414b2971e099e514dc238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fb23f0874039a3a20ca2cf0c86dff5843a9146565414b2971e099e514dc238", kill_on_drop: false }`
[INFO] [stdout] 95fb23f0874039a3a20ca2cf0c86dff5843a9146565414b2971e099e514dc238
