[INFO] cloning repository https://github.com/SomeHats/lox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SomeHats/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSomeHats%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSomeHats%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13e2b7e5a868e965376cd5b6e8b9b13892b3cb02
[INFO] documenting SomeHats/lox-rs 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%2FSomeHats%2Flox-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SomeHats/lox-rs 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/SomeHats/lox-rs
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/SomeHats/lox-rs
[INFO] tweaked toml for git repo https://github.com/SomeHats/lox-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SomeHats/lox-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.2
[INFO] [stderr]   Downloaded miette v4.2.1
[INFO] [stderr]   Downloaded miette-derive v4.2.1
[INFO] [stderr]   Downloaded rustix v0.33.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 71cc645e98cb030fc3a7d5dd781bfdd9109d32373dde504ce65ddbfa6a306310
[INFO] running `Command { std: "docker" "start" "-a" "71cc645e98cb030fc3a7d5dd781bfdd9109d32373dde504ce65ddbfa6a306310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71cc645e98cb030fc3a7d5dd781bfdd9109d32373dde504ce65ddbfa6a306310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71cc645e98cb030fc3a7d5dd781bfdd9109d32373dde504ce65ddbfa6a306310", kill_on_drop: false }`
[INFO] [stdout] 71cc645e98cb030fc3a7d5dd781bfdd9109d32373dde504ce65ddbfa6a306310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3cd17a399a3520326476fbe5cf975f08aa3d0d739b7b38ee1f5c1be8e0535c87
[INFO] running `Command { std: "docker" "start" "-a" "3cd17a399a3520326476fbe5cf975f08aa3d0d739b7b38ee1f5c1be8e0535c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling io-lifetimes v0.5.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling rustix v0.33.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.0.42
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking owo-colors v3.2.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking ordered-float v3.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking fd-lock v3.0.4
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling miette-derive v4.2.1
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]     Checking miette v4.2.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]  Documenting lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/resolver.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 |         if let Some(ScopeEntry{status, declared_at}) = self.get_entry(&identifier.name) && status == ScopeEntryStatus::Declared {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[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 E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `lox-rs`
[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=2018 --crate-type lib --crate-name lox_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c068c630c04d921b -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-5fe653516a365d04.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-18043dae1e94fe8b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-7d05e296b1c6f970.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e7445b4e8703c20b.rmeta --extern miette=/opt/rustwide/target/debug/deps/libmiette-d17b4b2169413a96.rmeta --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-e660a3bdf36c369a.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-da5d233b69f58b52.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-103f856416bc74f1.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-e764035f776660d0.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-1eed83cef947352e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3cd17a399a3520326476fbe5cf975f08aa3d0d739b7b38ee1f5c1be8e0535c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd17a399a3520326476fbe5cf975f08aa3d0d739b7b38ee1f5c1be8e0535c87", kill_on_drop: false }`
[INFO] [stdout] 3cd17a399a3520326476fbe5cf975f08aa3d0d739b7b38ee1f5c1be8e0535c87
