[INFO] cloning repository https://github.com/os2edu/rustlings-wshenyi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/os2edu/rustlings-wshenyi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-wshenyi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-wshenyi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec910e6ba1c781dbc3b883e21e4db77d40610ca8
[INFO] documenting os2edu/rustlings-wshenyi against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-wshenyi" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-wshenyi
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-wshenyi
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-wshenyi written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-wshenyi on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/os2edu/rustlings-wshenyi 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-2025-09-21" "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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting os2edu/rustlings-wshenyi against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-wshenyi" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-wshenyi
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-wshenyi
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-wshenyi written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-wshenyi on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/os2edu/rustlings-wshenyi 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-2025-09-21" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f41df8f5111251280bcf17b9ad246c2aa8fe69be545de0bdeed55cec55d265d
[INFO] running `Command { std: "docker" "start" "-a" "9f41df8f5111251280bcf17b9ad246c2aa8fe69be545de0bdeed55cec55d265d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f41df8f5111251280bcf17b9ad246c2aa8fe69be545de0bdeed55cec55d265d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f41df8f5111251280bcf17b9ad246c2aa8fe69be545de0bdeed55cec55d265d", kill_on_drop: false }`
[INFO] [stdout] 9f41df8f5111251280bcf17b9ad246c2aa8fe69be545de0bdeed55cec55d265d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24afac279545c8e3e337d8adc19deaf2b34ab97fcaf208ae273bc34050ce2926
[INFO] running `Command { std: "docker" "start" "-a" "24afac279545c8e3e337d8adc19deaf2b34ab97fcaf208ae273bc34050ce2926", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]  Documenting rustlings v5.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `filename`
[INFO] [stdout]   --> src/main.rs:83:50
[INFO] [stdout]    |
[INFO] [stdout] 83 | /// Resets a single exercise using "git stash -- <filename>"
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.61s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rustlings/index.html
[INFO] running `Command { std: "docker" "inspect" "24afac279545c8e3e337d8adc19deaf2b34ab97fcaf208ae273bc34050ce2926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24afac279545c8e3e337d8adc19deaf2b34ab97fcaf208ae273bc34050ce2926", kill_on_drop: false }`
[INFO] [stdout] 24afac279545c8e3e337d8adc19deaf2b34ab97fcaf208ae273bc34050ce2926
