[INFO] cloning repository https://github.com/wsandst/snowflake-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wsandst/snowflake-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsandst%2Fsnowflake-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsandst%2Fsnowflake-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36b73631a1a3aee89996b708b7c9b4cfd3416c1f
[INFO] documenting wsandst/snowflake-sim against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsandst%2Fsnowflake-sim" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wsandst/snowflake-sim on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wsandst/snowflake-sim
[INFO] finished tweaking git repo https://github.com/wsandst/snowflake-sim
[INFO] tweaked toml for git repo https://github.com/wsandst/snowflake-sim written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/wsandst/snowflake-sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b15bb650ed6e86f9af0b8121f5dde3381da024f90a0bb7533cc11efd524b79
[INFO] running `Command { std: "docker" "start" "-a" "a3b15bb650ed6e86f9af0b8121f5dde3381da024f90a0bb7533cc11efd524b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b15bb650ed6e86f9af0b8121f5dde3381da024f90a0bb7533cc11efd524b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b15bb650ed6e86f9af0b8121f5dde3381da024f90a0bb7533cc11efd524b79", kill_on_drop: false }`
[INFO] [stdout] a3b15bb650ed6e86f9af0b8121f5dde3381da024f90a0bb7533cc11efd524b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc7c41fe1a49935a79b35a80756337c090d16d6ed658de43825052385819e78c
[INFO] running `Command { std: "docker" "start" "-a" "cc7c41fe1a49935a79b35a80756337c090d16d6ed658de43825052385819e78c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]  Documenting snowflake-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/sim.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// see http://www.patarnott.com/pdf/SnowCrystalGrowth.pdf for
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.patarnott.com/pdf/SnowCrystalGrowth.pdf>`
[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 previous error; 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 `snowflake-sim`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-type rlib --crate-name snowflake_sim src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="console_error_panic_hook"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bcb14b8b8c830809 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-277e048baafe960a.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-7a805834ac51adf4.rmeta --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-9d0726f94aedc498.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-e3327ee5dfb00a78.rmeta --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-9abecaeed64da362.rmeta --extern oorandom=/opt/rustwide/target/debug/deps/liboorandom-c37ac7b23eb7e9f8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-324201915a22f12a.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-d13535f862e50eee.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cc7c41fe1a49935a79b35a80756337c090d16d6ed658de43825052385819e78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7c41fe1a49935a79b35a80756337c090d16d6ed658de43825052385819e78c", kill_on_drop: false }`
[INFO] [stdout] cc7c41fe1a49935a79b35a80756337c090d16d6ed658de43825052385819e78c