[INFO] fetching crate rustlings 6.4.0...
[INFO] documenting rustlings-6.4.0 against beta-2024-12-08 for beta-rustdoc-1.84.0-4-retry
[INFO] extracting crate rustlings 6.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rustlings 6.4.0 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustlings 6.4.0
[INFO] finished tweaking crates.io crate rustlings 6.4.0
[INFO] tweaked toml for crates.io crate rustlings 6.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rustlings 6.4.0 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-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bced73731acb6a081aab335969388e023a59d3b439eb20c29cb518d78b3a071
[INFO] running `Command { std: "docker" "start" "-a" "8bced73731acb6a081aab335969388e023a59d3b439eb20c29cb518d78b3a071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bced73731acb6a081aab335969388e023a59d3b439eb20c29cb518d78b3a071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bced73731acb6a081aab335969388e023a59d3b439eb20c29cb518d78b3a071", kill_on_drop: false }`
[INFO] [stdout] 8bced73731acb6a081aab335969388e023a59d3b439eb20c29cb518d78b3a071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65ae23efbf163a3e10e4fae2b1ac516e36ed5075ac661872e356f061634c78ab
[INFO] running `Command { std: "docker" "start" "-a" "65ae23efbf163a3e10e4fae2b1ac516e36ed5075ac661872e356f061634c78ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rustix v0.38.40
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking notify-types v1.0.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking inotify v0.10.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking notify v7.0.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]    Compiling rustlings-macros v6.4.0
[INFO] [stderr]  Documenting rustlings v6.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `xxxxxxxxxxxxxxxxx`
[INFO] [stdout]   --> src/cargo_toml.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// bin = [xxxxxxxxxxxxxxxxx]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^ no item named `xxxxxxxxxxxxxxxxx` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.91s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rustlings/index.html
[INFO] running `Command { std: "docker" "inspect" "65ae23efbf163a3e10e4fae2b1ac516e36ed5075ac661872e356f061634c78ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ae23efbf163a3e10e4fae2b1ac516e36ed5075ac661872e356f061634c78ab", kill_on_drop: false }`
[INFO] [stdout] 65ae23efbf163a3e10e4fae2b1ac516e36ed5075ac661872e356f061634c78ab
