[INFO] cloning repository https://github.com/Nanai10a/icey_pudding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nanai10a/icey_pudding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Ficey_pudding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Ficey_pudding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58fa36f72ae41d2e89bb7a3bde4fdd0809c3e07e
[INFO] documenting Nanai10a/icey_pudding 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%2FNanai10a%2Ficey_pudding" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nanai10a/icey_pudding 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/Nanai10a/icey_pudding
[INFO] finished tweaking git repo https://github.com/Nanai10a/icey_pudding
[INFO] tweaked toml for git repo https://github.com/Nanai10a/icey_pudding written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nanai10a/icey_pudding 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bson v2.5.0
[INFO] [stderr]   Downloaded os_info v3.6.0
[INFO] [stderr]   Downloaded serenity v0.11.5
[INFO] [stderr]   Downloaded mongodb v2.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a0aaae4f043d7263eeb7419027f5b591d4f462501221cfbcafb8a015e83f8101
[INFO] running `Command { std: "docker" "start" "-a" "a0aaae4f043d7263eeb7419027f5b591d4f462501221cfbcafb8a015e83f8101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0aaae4f043d7263eeb7419027f5b591d4f462501221cfbcafb8a015e83f8101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0aaae4f043d7263eeb7419027f5b591d4f462501221cfbcafb8a015e83f8101", kill_on_drop: false }`
[INFO] [stdout] a0aaae4f043d7263eeb7419027f5b591d4f462501221cfbcafb8a015e83f8101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 58a9a1ab801671cfd1a72d128c70009c2f99cb411b67b5631d29fdf417634776
[INFO] running `Command { std: "docker" "start" "-a" "58a9a1ab801671cfd1a72d128c70009c2f99cb411b67b5631d29fdf417634776", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
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[INFO] [stderr]     Checking smallvec v1.10.0
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[INFO] [stderr]    Compiling anyhow v1.0.69
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[INFO] [stderr]    Compiling futures-macro v0.3.26
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[INFO] [stderr]    Compiling tracing-attributes v0.1.23
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[INFO] [stderr]    Compiling darling_macro v0.13.4
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[INFO] [stderr]    Compiling clap_derive v3.2.18
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[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling async-recursion v1.0.2
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[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.7
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.11.9
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking bson v2.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking hyper v0.14.24
[INFO] [stderr]     Checking mongodb v2.3.1
[INFO] [stderr]     Checking hyper-rustls v0.23.2
[INFO] [stderr]     Checking reqwest v0.11.14
[INFO] [stderr]  Documenting icey_pudding v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `icey_pudding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name icey_pudding src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2207d21bbcf55985 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-c5abef6c4dd58d82.rmeta --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-dc0d9249b9600ec3.so --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-3497bcf09a8213d2.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-ed8920c7eec2dde0.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-83ddece60f80b5ac.rmeta --extern mongodb=/opt/rustwide/target/debug/deps/libmongodb-4052df5ca2313ea9.rmeta --extern range_parser=/opt/rustwide/target/debug/deps/librange_parser-4be185f1148217f3.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d0a7aa7a2bf3d30a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-369d0de9bb00e3d3.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-02cf634b55efad3d.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-9ecaa3d45ee2a09d.rmeta --extern shell_words=/opt/rustwide/target/debug/deps/libshell_words-d43d79cf262f64f8.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-2f257d301233b716.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-29216c9a75ad75e1.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-26f4e67cf4bee61e.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-e830488b99535d5f.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-bb7f4d7ae584cdff.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "58a9a1ab801671cfd1a72d128c70009c2f99cb411b67b5631d29fdf417634776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a9a1ab801671cfd1a72d128c70009c2f99cb411b67b5631d29fdf417634776", kill_on_drop: false }`
[INFO] [stdout] 58a9a1ab801671cfd1a72d128c70009c2f99cb411b67b5631d29fdf417634776
