[INFO] fetching crate fce 0.5.0...
[INFO] documenting fce-0.5.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate fce 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fce 0.5.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fce 0.5.0
[INFO] finished tweaking crates.io crate fce 0.5.0
[INFO] tweaked toml for crates.io crate fce 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-win-exception-handler v0.17.1
[INFO] [stderr]   Downloaded wasmer-wasi-fl v0.17.1
[INFO] [stderr]   Downloaded wasmer-clif-backend-fl v0.17.0
[INFO] [stderr]   Downloaded fce-utils v0.2.0
[INFO] [stderr]   Downloaded wasmer-runtime-core v0.17.1
[INFO] [stderr]   Downloaded wasmer-runtime-fl v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d453c79aa333e35d1037ae787b77d38b2903d07e2eff33666320ab96adfcf519
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d453c79aa333e35d1037ae787b77d38b2903d07e2eff33666320ab96adfcf519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d453c79aa333e35d1037ae787b77d38b2903d07e2eff33666320ab96adfcf519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d453c79aa333e35d1037ae787b77d38b2903d07e2eff33666320ab96adfcf519", kill_on_drop: false }`
[INFO] [stdout] d453c79aa333e35d1037ae787b77d38b2903d07e2eff33666320ab96adfcf519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f73581d51acdc2b43efcd3921ba0de97af33c91214cbafa1a5b89dae79c66920
[INFO] running `Command { std: "docker" "start" "-a" "f73581d51acdc2b43efcd3921ba0de97af33c91214cbafa1a5b89dae79c66920", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling cranelift-entity v0.59.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking it-to-bytes v0.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking fce-utils v0.2.0
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking wast v8.0.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.59.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking cranelift-bforest v0.59.0
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking pwasm-utils v0.12.0
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling wasmer-runtime-core-fl v0.17.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling ghost v0.1.4
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]     Checking inventory v0.2.3
[INFO] [stderr]     Checking walrus v0.18.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking fluence-it-types v0.3.1
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking erased-serde v0.3.20
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking it-lilo v0.1.0
[INFO] [stderr]     Checking typetag v0.1.8
[INFO] [stderr]     Checking wasmer-interface-types-fl v0.20.2
[INFO] [stderr]     Checking fluence-sdk-wit v0.6.1
[INFO] [stderr]     Checking cargo_toml v0.8.1
[INFO] [stderr]    Compiling marine-macro-impl v0.6.9
[INFO] [stderr]     Checking fce-wit-interfaces v0.3.0
[INFO] [stderr]    Compiling marine-macro v0.6.9
[INFO] [stderr]     Checking fluence-sdk-main v0.6.9
[INFO] [stderr]     Checking fce-wit-parser v0.5.0
[INFO] [stderr]     Checking fce-module-info-parser v0.1.0
[INFO] [stderr]     Checking wasmer-wasi-fl v0.17.1
[INFO] [stderr]     Checking fce-wit-generator v0.4.0
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]     Checking cranelift-native v0.59.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]     Checking wasmer-clif-backend-fl v0.17.0
[INFO] [stderr]     Checking wasmer-runtime-fl v0.17.1
[INFO] [stderr]  Documenting fce v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(new_uninit)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fce`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fce src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f9243e6292a52690 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a2ad8fa07e0781ab.rmeta --extern boolinator=/opt/rustwide/target/debug/deps/libboolinator-b98a4aa3893aecde.rmeta --extern fce_module_info_parser=/opt/rustwide/target/debug/deps/libfce_module_info_parser-9ff32e6fa6afad9a.rmeta --extern fce_utils=/opt/rustwide/target/debug/deps/libfce_utils-7d0d37b4f1513230.rmeta --extern fce_wit_generator=/opt/rustwide/target/debug/deps/libfce_wit_generator-aff1a981fe96f04e.rmeta --extern fce_wit_interfaces=/opt/rustwide/target/debug/deps/libfce_wit_interfaces-ef619c1a8e6c743e.rmeta --extern fce_wit_parser=/opt/rustwide/target/debug/deps/libfce_wit_parser-5066c7037ca9ea9c.rmeta --extern it_lilo=/opt/rustwide/target/debug/deps/libit_lilo-06474917fa0b757b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4c2b941844e2fcbb.rmeta --extern multimap=/opt/rustwide/target/debug/deps/libmultimap-a11b54633ef1bee6.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f09fca34c233de76.rmeta --extern parity_wasm=/opt/rustwide/target/debug/deps/libparity_wasm-e4728860562dace2.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-bd6d0284544a8d29.so --extern pwasm_utils=/opt/rustwide/target/debug/deps/libpwasm_utils-fb5b8288cf90429c.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-cd1e532399575e4f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-aa335f1e70df2111.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-3e53de7f84d3f50d.rmeta --extern wasmer_wit=/opt/rustwide/target/debug/deps/libwasmer_interface_types_fl-dd463d315c78be02.rmeta --extern wasmer_core=/opt/rustwide/target/debug/deps/libwasmer_runtime_core_fl-23780756a7b1b87f.rmeta --extern wasmer_runtime=/opt/rustwide/target/debug/deps/libwasmer_runtime_fl-a6d5f595a4c9f31e.rmeta --extern wasmer_wasi=/opt/rustwide/target/debug/deps/libwasmer_wasi_fl-6efecf6474c421e4.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f73581d51acdc2b43efcd3921ba0de97af33c91214cbafa1a5b89dae79c66920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73581d51acdc2b43efcd3921ba0de97af33c91214cbafa1a5b89dae79c66920", kill_on_drop: false }`
[INFO] [stdout] f73581d51acdc2b43efcd3921ba0de97af33c91214cbafa1a5b89dae79c66920