[INFO] cloning repository https://github.com/VincentWo/um
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VincentWo/um" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentWo%2Fum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentWo%2Fum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2edef8fb8d78692e601b5692c5dc6c3af493c4ec
[INFO] documenting VincentWo/um against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentWo%2Fum" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VincentWo/um on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VincentWo/um
[INFO] finished tweaking git repo https://github.com/VincentWo/um
[INFO] tweaked toml for git repo https://github.com/VincentWo/um written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/VincentWo/um 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded tower-lsp-macros v0.8.0
[INFO] [stderr]   Downloaded tower-lsp v0.19.0
[INFO] [stderr]   Downloaded str_indices v0.4.1
[INFO] [stderr]   Downloaded lsp-types v0.94.0
[INFO] [stderr]   Downloaded ropey v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c19847df00c8f9bececfd9d5f4dce546013fd2d134e4ee8a7d68d4766a57af6e
[INFO] running `Command { std: "docker" "start" "-a" "c19847df00c8f9bececfd9d5f4dce546013fd2d134e4ee8a7d68d4766a57af6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19847df00c8f9bececfd9d5f4dce546013fd2d134e4ee8a7d68d4766a57af6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19847df00c8f9bececfd9d5f4dce546013fd2d134e4ee8a7d68d4766a57af6e", kill_on_drop: false }`
[INFO] [stdout] c19847df00c8f9bececfd9d5f4dce546013fd2d134e4ee8a7d68d4766a57af6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d082e06896ec56b9ba0359cdab907969571df6e9be295dafe61b327909934b6
[INFO] running `Command { std: "docker" "start" "-a" "9d082e06896ec56b9ba0359cdab907969571df6e9be295dafe61b327909934b6", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking unicode-bidi v0.3.11
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling async-trait v0.1.66
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking str_indices v0.4.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking ropey v1.6.0
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v2.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.27
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling serde_repr v0.1.11
[INFO] [stderr]    Compiling tower-lsp-macros v0.8.0
[INFO] [stderr]    Compiling auto_impl v1.0.1
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking lsp-types v0.94.0
[INFO] [stderr]     Checking futures v0.3.27
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]     Checking tower-lsp v0.19.0
[INFO] [stderr]  Documenting unicode_lsp v0.1.0 (/opt/rustwide/workdir/unicode_lsp)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> unicode_lsp/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `unicode_lsp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name unicode_lsp unicode_lsp/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=61aaaa2ebdfcacd5 -L dependency=/opt/rustwide/target/debug/deps --extern csv=/opt/rustwide/target/debug/deps/libcsv-b4932ddf9ddadcb6.rmeta --extern fuzzy_matcher=/opt/rustwide/target/debug/deps/libfuzzy_matcher-52ff5a8a8c25fefc.rmeta --extern ropey=/opt/rustwide/target/debug/deps/libropey-a24bb73236d9dc3a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7ef764cb15a78988.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c83c34051873be97.rmeta --extern tower_lsp=/opt/rustwide/target/debug/deps/libtower_lsp-1809318db9e5df54.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9d082e06896ec56b9ba0359cdab907969571df6e9be295dafe61b327909934b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d082e06896ec56b9ba0359cdab907969571df6e9be295dafe61b327909934b6", kill_on_drop: false }`
[INFO] [stdout] 9d082e06896ec56b9ba0359cdab907969571df6e9be295dafe61b327909934b6
