[INFO] cloning repository https://github.com/Madoshakalaka/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Madoshakalaka/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadoshakalaka%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadoshakalaka%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bed6fec68756528fe166cb0ad6a0e198b1d515b
[INFO] documenting Madoshakalaka/rust_practice against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadoshakalaka%2Frust_practice" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Madoshakalaka/rust_practice on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Madoshakalaka/rust_practice
[INFO] finished tweaking git repo https://github.com/Madoshakalaka/rust_practice
[INFO] tweaked toml for git repo https://github.com/Madoshakalaka/rust_practice written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Madoshakalaka/rust_practice 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 991a767c810bb9c76ed35b108fee6b92ed4aad6a4bae44dea24c031394a112d1
[INFO] running `Command { std: "docker" "start" "-a" "991a767c810bb9c76ed35b108fee6b92ed4aad6a4bae44dea24c031394a112d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "991a767c810bb9c76ed35b108fee6b92ed4aad6a4bae44dea24c031394a112d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991a767c810bb9c76ed35b108fee6b92ed4aad6a4bae44dea24c031394a112d1", kill_on_drop: false }`
[INFO] [stdout] 991a767c810bb9c76ed35b108fee6b92ed4aad6a4bae44dea24c031394a112d1
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976a1bbaf060835f5a352674473ecbae9a6e435f3b5ed9343f32493941015e37
[INFO] running `Command { std: "docker" "start" "-a" "976a1bbaf060835f5a352674473ecbae9a6e435f3b5ed9343f32493941015e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]  Documenting rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `,`
[INFO] [stdout]   --> src/algebra/expression.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn _build(&self, root ,current:&mut PrefixExpression, placeheld_count:usize){
[INFO] [stdout]    |                           ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]    |
[INFO] [stdout]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a parameter name, give it a type
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn _build(&self, root: TypeName ,current:&mut PrefixExpression, placeheld_count:usize){
[INFO] [stdout]    |                          ++++++++++
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn _build(&self, _: root ,current:&mut PrefixExpression, placeheld_count:usize){
[INFO] [stdout]    |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust_practice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rust_practice src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dd99d17c9e1e5d6e -L dependency=/opt/rustwide/target/debug/deps --extern csv=/opt/rustwide/target/debug/deps/libcsv-8c7df49868115faa.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-55e99123b862ccaa.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1ba0d990ab43de0b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "976a1bbaf060835f5a352674473ecbae9a6e435f3b5ed9343f32493941015e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976a1bbaf060835f5a352674473ecbae9a6e435f3b5ed9343f32493941015e37", kill_on_drop: false }`
[INFO] [stdout] 976a1bbaf060835f5a352674473ecbae9a6e435f3b5ed9343f32493941015e37
