[INFO] cloning repository https://github.com/osennij-morok/korobu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osennij-morok/korobu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosennij-morok%2Fkorobu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosennij-morok%2Fkorobu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7d08b58e4e3de7a6c3b186e1d507f73f40723db
[INFO] documenting osennij-morok/korobu against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosennij-morok%2Fkorobu" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osennij-morok/korobu on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/osennij-morok/korobu
[INFO] finished tweaking git repo https://github.com/osennij-morok/korobu
[INFO] tweaked toml for git repo https://github.com/osennij-morok/korobu written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/osennij-morok/korobu 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-2025-04-13" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded calloop v0.10.4
[INFO] [stderr]   Downloaded fiat-crypto v0.1.17
[INFO] [stderr]   Downloaded orion v0.17.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ba0e8778984cdd7cab49f42c77bfb165cf2a2b6c657e279db049ab3aa773e6
[INFO] running `Command { std: "docker" "start" "-a" "c9ba0e8778984cdd7cab49f42c77bfb165cf2a2b6c657e279db049ab3aa773e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ba0e8778984cdd7cab49f42c77bfb165cf2a2b6c657e279db049ab3aa773e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ba0e8778984cdd7cab49f42c77bfb165cf2a2b6c657e279db049ab3aa773e6", kill_on_drop: false }`
[INFO] [stdout] c9ba0e8778984cdd7cab49f42c77bfb165cf2a2b6c657e279db049ab3aa773e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7f4f81e1c9b971bbdb8f6ef1c26799feb8f5bbb10c7e8ebc4458731eec5cba
[INFO] running `Command { std: "docker" "start" "-a" "4f7f4f81e1c9b971bbdb8f6ef1c26799feb8f5bbb10c7e8ebc4458731eec5cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.47
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[INFO] [stderr]    Compiling zeroize_derive v1.3.3
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[INFO] [stderr]     Checking chacha20 v0.9.0
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[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
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[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]     Checking calloop v0.10.4
[INFO] [stderr]     Checking egui v0.19.0
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]     Checking orion v0.17.3
[INFO] [stderr]     Checking egui_glow v0.19.0
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking arboard v3.2.0
[INFO] [stderr]     Checking sctk-adwaita v0.4.3
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[INFO] [stderr]     Checking egui-winit v0.19.0
[INFO] [stderr]     Checking eframe v0.19.0
[INFO] [stderr]  Documenting korobu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `korobu`
[INFO] running `Command { std: "docker" "inspect" "4f7f4f81e1c9b971bbdb8f6ef1c26799feb8f5bbb10c7e8ebc4458731eec5cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7f4f81e1c9b971bbdb8f6ef1c26799feb8f5bbb10c7e8ebc4458731eec5cba", kill_on_drop: false }`
[INFO] [stdout] 4f7f4f81e1c9b971bbdb8f6ef1c26799feb8f5bbb10c7e8ebc4458731eec5cba