[INFO] cloning repository https://github.com/Bleb1k/rust-incubator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bleb1k/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleb1k%2Frust-incubator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleb1k%2Frust-incubator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3287d38b4fc90cc26f092dc715adf49f1e862376
[INFO] documenting Bleb1k/rust-incubator against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleb1k%2Frust-incubator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bleb1k/rust-incubator
[INFO] finished tweaking git repo https://github.com/Bleb1k/rust-incubator
[INFO] tweaked toml for git repo https://github.com/Bleb1k/rust-incubator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bleb1k/rust-incubator on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bleb1k/rust-incubator 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932b54b4ff7093eb27ac13dbfb890c513530eacc54cd0d71e40d3b22b23d8550
[INFO] running `Command { std: "docker" "start" "-a" "932b54b4ff7093eb27ac13dbfb890c513530eacc54cd0d71e40d3b22b23d8550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932b54b4ff7093eb27ac13dbfb890c513530eacc54cd0d71e40d3b22b23d8550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932b54b4ff7093eb27ac13dbfb890c513530eacc54cd0d71e40d3b22b23d8550", kill_on_drop: false }`
[INFO] [stdout] 932b54b4ff7093eb27ac13dbfb890c513530eacc54cd0d71e40d3b22b23d8550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c01c04b974738b469762abdf732cb02427c6c51b2fd81adfa8c93dfdd50212e
[INFO] running `Command { std: "docker" "start" "-a" "9c01c04b974738b469762abdf732cb02427c6c51b2fd81adfa8c93dfdd50212e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Documenting step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async)
[INFO] [stderr]  Documenting step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto)
[INFO] [stderr]  Documenting step_3_10 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_10_threads)
[INFO] [stderr]  Documenting step_3_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_3_date_time)
[INFO] [stderr]  Documenting step_2_4 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_4_generic_in_type_out)
[INFO] [stderr]  Documenting step_3_2 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_2_macro)
[INFO] [stderr]  Documenting step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace)
[INFO] [stderr]  Documenting step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin)
[INFO] [stderr]  Documenting step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch)
[INFO] [stderr]  Documenting step_1_7 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_7_sized)
[INFO] [stderr]  Documenting step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms)
[INFO] [stderr]  Documenting step_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem)
[INFO] [stderr]  Documenting step_4_2 v0.1.0 (/opt/rustwide/workdir/4_backend/4_2_http)
[INFO] [stderr]  Documenting step_4_3 v0.1.0 (/opt/rustwide/workdir/4_backend/4_3_api)
[INFO] [stderr]  Documenting step_3_5 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_5_collections)
[INFO] [stderr]  Documenting step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell)
[INFO] [stderr]  Documenting step_3_9 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_9_cmd_env_conf)
[INFO] [stderr]  Documenting step_1_8 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_8_thread_safety)
[INFO] [stderr]  Documenting step_4 v0.1.0 (/opt/rustwide/workdir/4_backend)
[INFO] [stderr]  Documenting step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom)
[INFO] [stderr]  Documenting step_1 v0.1.0 (/opt/rustwide/workdir/1_concepts)
[INFO] [stderr]  Documenting step_2_5 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_5_exhaustivity)
[INFO] [stderr]  Documenting step_2_1 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_1_type_safety)
[INFO] [stderr]  Documenting step_3_8 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_8_log)
[INFO] [stderr]  Documenting step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy)
[INFO] [stderr]  Documenting step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow)
[INFO] [stderr]  Documenting step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl)
[INFO] [stderr]  Documenting step_3_6 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_6_serde)
[INFO] [stderr]  Documenting step_2_6 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_6_sealing)
[INFO] [stderr]  Documenting step_1_5 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_5_convert_cast_deref)
[INFO] [stderr]  Documenting step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing)
[INFO] [stderr]  Documenting step_3_4 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_4_regex_parsing)
[INFO] [stderr]  Documenting step_4_1 v0.1.0 (/opt/rustwide/workdir/4_backend/4_1_db)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/step_1/index.html and 32 other files
[INFO] running `Command { std: "docker" "inspect" "9c01c04b974738b469762abdf732cb02427c6c51b2fd81adfa8c93dfdd50212e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c01c04b974738b469762abdf732cb02427c6c51b2fd81adfa8c93dfdd50212e", kill_on_drop: false }`
[INFO] [stdout] 9c01c04b974738b469762abdf732cb02427c6c51b2fd81adfa8c93dfdd50212e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bb2aa309a64b6f87d462ac652ca3f801316f1d0d556fe6f11bae9911a28c85
[INFO] running `Command { std: "docker" "start" "-a" "c5bb2aa309a64b6f87d462ac652ca3f801316f1d0d556fe6f11bae9911a28c85", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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" "c5bb2aa309a64b6f87d462ac652ca3f801316f1d0d556fe6f11bae9911a28c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bb2aa309a64b6f87d462ac652ca3f801316f1d0d556fe6f11bae9911a28c85", kill_on_drop: false }`
[INFO] [stdout] c5bb2aa309a64b6f87d462ac652ca3f801316f1d0d556fe6f11bae9911a28c85
