[INFO] cloning repository https://github.com/Bitbot25/mosaic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bitbot25/mosaic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitbot25%2Fmosaic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitbot25%2Fmosaic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 525126910d781987f3036b772a242bd58bb5fbce
[INFO] documenting Bitbot25/mosaic against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBitbot25%2Fmosaic" "/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/Bitbot25/mosaic on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bitbot25/mosaic
[INFO] finished tweaking git repo https://github.com/Bitbot25/mosaic
[INFO] tweaked toml for git repo https://github.com/Bitbot25/mosaic written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bitbot25/mosaic 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-jit v0.97.1
[INFO] [stderr]   Downloaded cranelift-module v0.97.1
[INFO] [stderr]   Downloaded cranelift v0.97.1
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c831d49b7bf7bf7d59493fea34081942b8504fcd042bbf755be3d50855aa00
[INFO] running `Command { std: "docker" "start" "-a" "49c831d49b7bf7bf7d59493fea34081942b8504fcd042bbf755be3d50855aa00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c831d49b7bf7bf7d59493fea34081942b8504fcd042bbf755be3d50855aa00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c831d49b7bf7bf7d59493fea34081942b8504fcd042bbf755be3d50855aa00", kill_on_drop: false }`
[INFO] [stdout] 49c831d49b7bf7bf7d59493fea34081942b8504fcd042bbf755be3d50855aa00
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dce8b9d153cd7becb513ea792dd866f3e7088f8c1b5bbace73eb921ba6b76df
[INFO] running `Command { std: "docker" "start" "-a" "7dce8b9d153cd7becb513ea792dd866f3e7088f8c1b5bbace73eb921ba6b76df", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling cranelift-isle v0.97.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.97.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling target-lexicon v0.12.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking arbitrary v1.3.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking cranelift-entity v0.97.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking bumpalo v3.13.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.97.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking cranelift-bforest v0.97.1
[INFO] [stderr]     Checking ariadne v0.3.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking cranelift-control v0.97.1
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking regalloc2 v0.9.1
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v10.0.1
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling cranelift-codegen v0.97.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]     Checking cranelift-frontend v0.97.1
[INFO] [stderr]     Checking cranelift-native v0.97.1
[INFO] [stderr]     Checking cranelift-module v0.97.1
[INFO] [stderr]     Checking cranelift-jit v0.97.1
[INFO] [stderr]     Checking cranelift v0.97.1
[INFO] [stderr]  Documenting mosaic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `str_internals` is internal to the compiler or standard library
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_internals, char_indices_offset)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_internals, char_indices_offset)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_internals, char_indices_offset)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 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 `mosaic`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name mosaic 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=9d77809515ad3574 -L dependency=/opt/rustwide/target/debug/deps --extern ariadne=/opt/rustwide/target/debug/deps/libariadne-5aa6e0027fff0976.rmeta --extern cranelift=/opt/rustwide/target/debug/deps/libcranelift-39bc0b5d10b6f53c.rmeta --extern cranelift_jit=/opt/rustwide/target/debug/deps/libcranelift_jit-4465dbee6ae6f8d5.rmeta --extern cranelift_module=/opt/rustwide/target/debug/deps/libcranelift_module-1f2aeed1f1cdeb2e.rmeta --extern cranelift_native=/opt/rustwide/target/debug/deps/libcranelift_native-ca88cf1facf83816.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-78abf1d8453ba628.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-df027dfb9b86147a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7dce8b9d153cd7becb513ea792dd866f3e7088f8c1b5bbace73eb921ba6b76df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dce8b9d153cd7becb513ea792dd866f3e7088f8c1b5bbace73eb921ba6b76df", kill_on_drop: false }`
[INFO] [stdout] 7dce8b9d153cd7becb513ea792dd866f3e7088f8c1b5bbace73eb921ba6b76df
