[INFO] cloning repository https://github.com/lachlansneff/wjs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lachlansneff/wjs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e86b6e950ea87348c5463cab6a182b86bf71338
[INFO] documenting lachlansneff/wjs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flachlansneff%2Fwjs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lachlansneff/wjs 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 git repo https://github.com/lachlansneff/wjs
[INFO] finished tweaking git repo https://github.com/lachlansneff/wjs
[INFO] tweaked toml for git repo https://github.com/lachlansneff/wjs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lachlansneff/wjs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_visit v0.2.4
[INFO] [stderr]   Downloaded swc_ecma_visit v0.31.0
[INFO] [stderr]   Downloaded swc_visit_macros v0.2.3
[INFO] [stderr]   Downloaded swc_atoms v0.2.6
[INFO] [stderr]   Downloaded ast_node v0.7.3
[INFO] [stderr]   Downloaded string_enum v0.3.1
[INFO] [stderr]   Downloaded swc_ecma_utils v0.36.0
[INFO] [stderr]   Downloaded ouroboros v0.9.3
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded ouroboros_macro v0.9.3
[INFO] [stderr]   Downloaded is-macro v0.1.9
[INFO] [stderr]   Downloaded swc_ecma_ast v0.45.0
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded from_variant v0.1.3
[INFO] [stderr]   Downloaded swc_eq_ignore_macros v0.1.0
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded enum_kind v0.2.1
[INFO] [stderr]   Downloaded swc_macros_common v0.3.3
[INFO] [stderr]   Downloaded swc_common v0.10.20
[INFO] [stderr]   Downloaded swc_ecma_parser v0.57.3
[INFO] [stderr]   Downloaded swc_ecmascript v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2e79e63096bc60f01ebd410ce7f352b95fa14d93cd5b30962556c9c61cf524b0
[INFO] running `Command { std: "docker" "start" "-a" "2e79e63096bc60f01ebd410ce7f352b95fa14d93cd5b30962556c9c61cf524b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e79e63096bc60f01ebd410ce7f352b95fa14d93cd5b30962556c9c61cf524b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e79e63096bc60f01ebd410ce7f352b95fa14d93cd5b30962556c9c61cf524b0", kill_on_drop: false }`
[INFO] [stdout] 2e79e63096bc60f01ebd410ce7f352b95fa14d93cd5b30962556c9c61cf524b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 501ed85e29080338c5e21a1b05027777fb8ac5e273abbba12735d31dc19f0f7d
[INFO] running `Command { std: "docker" "start" "-a" "501ed85e29080338c5e21a1b05027777fb8ac5e273abbba12735d31dc19f0f7d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_atoms v0.2.6
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling wjs-derive v0.1.0 (/opt/rustwide/workdir/derive)
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling ouroboros_macro v0.9.3
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling is-macro v0.1.9
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]    Compiling swc_visit_macros v0.2.3
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling enum_kind v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking ouroboros v0.9.3
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3
[INFO] [stderr]     Checking swc_visit v0.2.4
[INFO] [stderr]     Checking swc_common v0.10.20
[INFO] [stderr]     Checking swc_ecma_ast v0.45.0
[INFO] [stderr]     Checking swc_ecma_visit v0.31.0
[INFO] [stderr]     Checking swc_ecma_parser v0.57.3
[INFO] [stderr]     Checking swc_ecma_utils v0.36.0
[INFO] [stderr]     Checking swc_ecmascript v0.36.0
[INFO] [stderr]  Documenting wjs v0.1.0 (/opt/rustwide/workdir)
[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(ptr_metadata, 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/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_metadata, new_uninit)]
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `wjs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name wjs src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6d79cf5ef3e0b7df -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dcce77079dd8fe1e.rmeta --extern ouroboros=/opt/rustwide/target/debug/deps/libouroboros-4e2e2d06129fa376.rmeta --extern swc_common=/opt/rustwide/target/debug/deps/libswc_common-8f832f9aa19a8714.rmeta --extern swc_ecmascript=/opt/rustwide/target/debug/deps/libswc_ecmascript-1cfaf8a8f7e00353.rmeta --extern wjs_derive=/opt/rustwide/target/debug/deps/libwjs_derive-c3b01fc69da7fab5.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "501ed85e29080338c5e21a1b05027777fb8ac5e273abbba12735d31dc19f0f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501ed85e29080338c5e21a1b05027777fb8ac5e273abbba12735d31dc19f0f7d", kill_on_drop: false }`
[INFO] [stdout] 501ed85e29080338c5e21a1b05027777fb8ac5e273abbba12735d31dc19f0f7d