[INFO] cloning repository https://github.com/djanatyn/melee-dat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djanatyn/melee-dat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjanatyn%2Fmelee-dat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjanatyn%2Fmelee-dat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c30f7c5fbc3ee9e4428415ea8c7131ac00a20678
[INFO] documenting djanatyn/melee-dat against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjanatyn%2Fmelee-dat" "/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/djanatyn/melee-dat on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/djanatyn/melee-dat
[INFO] finished tweaking git repo https://github.com/djanatyn/melee-dat
[INFO] tweaked toml for git repo https://github.com/djanatyn/melee-dat written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/djanatyn/melee-dat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binread_derive v1.4.3
[INFO] [stderr]   Downloaded binread v1.4.1
[INFO] [stderr]   Downloaded binrw_derive v0.8.4
[INFO] [stderr]   Downloaded binrw v0.8.4
[INFO] [stderr]   Downloaded insta v1.14.0
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded gc-gcm v0.10.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03d718b735bb02bd405114e1a0f66de7222bbb9cc3c3ef4e2a87e0b7bb794ae2
[INFO] running `Command { std: "docker" "start" "-a" "03d718b735bb02bd405114e1a0f66de7222bbb9cc3c3ef4e2a87e0b7bb794ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d718b735bb02bd405114e1a0f66de7222bbb9cc3c3ef4e2a87e0b7bb794ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d718b735bb02bd405114e1a0f66de7222bbb9cc3c3ef4e2a87e0b7bb794ae2", kill_on_drop: false }`
[INFO] [stdout] 03d718b735bb02bd405114e1a0f66de7222bbb9cc3c3ef4e2a87e0b7bb794ae2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73efc087dd7d28da7c85350780f9d5ea8169bb2a742d6cef4364f6ca7bf90c0b
[INFO] running `Command { std: "docker" "start" "-a" "73efc087dd7d28da7c85350780f9d5ea8169bb2a742d6cef4364f6ca7bf90c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]    Compiling binrw_derive v0.8.4
[INFO] [stderr]    Compiling owo-colors v3.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling binread_derive v1.4.3
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.15
[INFO] [stderr]     Checking binread v1.4.1
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking gc-gcm v0.10.0
[INFO] [stderr]     Checking binrw v0.8.4
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking insta v1.14.0
[INFO] [stderr]  Documenting melee-dat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/main.rs:226:34
[INFO] [stdout]     |
[INFO] [stdout] 226 | /// $ pandoc -f html -t haddock 'https://www.gc-forever.com/yagcd/chap13.html'
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.gc-forever.com/yagcd/chap13.html>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `melee-dat`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name melee_dat src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4d155a1cbf6cbf77 -L dependency=/opt/rustwide/target/debug/deps --extern binrw=/opt/rustwide/target/debug/deps/libbinrw-992c02933b4c7c6b.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-0e4fb8a6079af28c.rmeta --extern gc_gcm=/opt/rustwide/target/debug/deps/libgc_gcm-a45fb135a36a5ff0.rmeta --extern insta=/opt/rustwide/target/debug/deps/libinsta-1d7d9b3a597638b9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "73efc087dd7d28da7c85350780f9d5ea8169bb2a742d6cef4364f6ca7bf90c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73efc087dd7d28da7c85350780f9d5ea8169bb2a742d6cef4364f6ca7bf90c0b", kill_on_drop: false }`
[INFO] [stdout] 73efc087dd7d28da7c85350780f9d5ea8169bb2a742d6cef4364f6ca7bf90c0b