[INFO] cloning repository https://github.com/Ocrap7/xlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ocrap7/xlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOcrap7%2Fxlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOcrap7%2Fxlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fdd1f9ac25d49219e2c38744b62115e43237a62
[INFO] documenting Ocrap7/xlang 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%2FOcrap7%2Fxlang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ocrap7/xlang 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/Ocrap7/xlang
[INFO] finished tweaking git repo https://github.com/Ocrap7/xlang
[INFO] tweaked toml for git repo https://github.com/Ocrap7/xlang written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ocrap7/xlang 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 tower-lsp v0.18.0
[INFO] [stderr]   Downloaded tower-lsp-macros v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c68b3b7c4b4db0cadda283a404910e96efcdd5c44eed38f860b6c45e6ceef6dc
[INFO] running `Command { std: "docker" "start" "-a" "c68b3b7c4b4db0cadda283a404910e96efcdd5c44eed38f860b6c45e6ceef6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c68b3b7c4b4db0cadda283a404910e96efcdd5c44eed38f860b6c45e6ceef6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68b3b7c4b4db0cadda283a404910e96efcdd5c44eed38f860b6c45e6ceef6dc", kill_on_drop: false }`
[INFO] [stdout] c68b3b7c4b4db0cadda283a404910e96efcdd5c44eed38f860b6c45e6ceef6dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 135ac423df868093752701db32d7ed7bd0c41ecc31b309c7962a983dab1afb56
[INFO] running `Command { std: "docker" "start" "-a" "135ac423df868093752701db32d7ed7bd0c41ecc31b309c7962a983dab1afb56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking xlang_util v0.1.0 (/opt/rustwide/workdir/xlang_util)
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]  Documenting xlang_util v0.1.0 (/opt/rustwide/workdir/xlang_util)
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling serde_repr v0.1.10
[INFO] [stderr]    Compiling tower-lsp-macros v0.7.0
[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]    Compiling pest v2.5.5
[INFO] [stderr]    Compiling pest_meta v2.5.5
[INFO] [stderr]    Compiling pest_generator v2.5.5
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling pest_derive v2.5.5
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking lsp-types v0.93.2
[INFO] [stderr]     Checking handlebars v4.3.6
[INFO] [stderr]     Checking tower-lsp v0.18.0
[INFO] [stderr]     Checking xlang_core v0.1.0 (/opt/rustwide/workdir/xlang_core)
[INFO] [stderr]  Documenting xlang_core v0.1.0 (/opt/rustwide/workdir/xlang_core)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> xlang_core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_upcasting)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> xlang_core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_upcasting)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `xlang_core`
[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 lib --crate-name xlang_core xlang_core/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3cd3c4cec3e04a96 -L dependency=/opt/rustwide/target/debug/deps --extern handlebars=/opt/rustwide/target/debug/deps/libhandlebars-68383edf1cab52de.rmeta --extern linked_hash_map=/opt/rustwide/target/debug/deps/liblinked_hash_map-d8c2f95ae698bba0.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4c2a46cd83655339.rmeta --extern pollster=/opt/rustwide/target/debug/deps/libpollster-db6ed010a0404c0d.rmeta --extern tower_lsp=/opt/rustwide/target/debug/deps/libtower_lsp-95acc1c047fcc1d0.rmeta --extern xlang_util=/opt/rustwide/target/debug/deps/libxlang_util-333fc177ff7a3a47.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 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 compile `xlang_core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "135ac423df868093752701db32d7ed7bd0c41ecc31b309c7962a983dab1afb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135ac423df868093752701db32d7ed7bd0c41ecc31b309c7962a983dab1afb56", kill_on_drop: false }`
[INFO] [stdout] 135ac423df868093752701db32d7ed7bd0c41ecc31b309c7962a983dab1afb56
