[INFO] fetching crate flacenc 0.1.0...
[INFO] documenting flacenc-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate flacenc 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flacenc 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flacenc 0.1.0
[INFO] finished tweaking crates.io crate flacenc 0.1.0
[INFO] tweaked toml for crates.io crate flacenc 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate flacenc 0.1.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.3.0
[INFO] [stderr]   Downloaded rstest_macros v0.13.0
[INFO] [stderr]   Downloaded async-std v1.11.0
[INFO] [stderr]   Downloaded async-io v1.6.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.1
[INFO] [stderr]   Downloaded wide v0.7.4
[INFO] [stderr]   Downloaded cortex-m v0.7.4
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] [stderr]   Downloaded rstest v0.13.0
[INFO] [stderr]   Downloaded sndfile-sys v0.2.2
[INFO] [stderr]   Downloaded sndfile v0.0.4
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded nalgebra v0.31.0
[INFO] [stderr]   Downloaded async-task v4.2.0
[INFO] [stderr]   Downloaded event-listener v2.5.2
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 552260dcbf5a975d19f5473fdcc4f69d3fcb9614b04d416fdd5dc57097f67caf
[INFO] running `Command { std: "docker" "start" "-a" "552260dcbf5a975d19f5473fdcc4f69d3fcb9614b04d416fdd5dc57097f67caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "552260dcbf5a975d19f5473fdcc4f69d3fcb9614b04d416fdd5dc57097f67caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552260dcbf5a975d19f5473fdcc4f69d3fcb9614b04d416fdd5dc57097f67caf", kill_on_drop: false }`
[INFO] [stdout] 552260dcbf5a975d19f5473fdcc4f69d3fcb9614b04d416fdd5dc57097f67caf
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f2384d836d45e03546478939fb9a3e834a571ac020419fb9eb6a46231901df9
[INFO] running `Command { std: "docker" "start" "-a" "4f2384d836d45e03546478939fb9a3e834a571ac020419fb9eb6a46231901df9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling heapless v0.7.13
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]    Compiling seq-macro v0.3.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling sndfile-sys v0.2.2
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking sndfile v0.0.4
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking nalgebra v0.31.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]  Documenting flacenc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(portable_simd)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `flacenc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name flacenc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e28555f6e9109342 -L dependency=/opt/rustwide/target/debug/deps --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-19e26ac191ce3591.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-0293ab3efb861be9.rmeta --extern crc=/opt/rustwide/target/debug/deps/libcrc-be35f2d95ca5fb37.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-d451694a96124e36.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-3bc2651a937f1c9d.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-04ddd52a1cd72270.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-8c41a4f4c264cc0c.rmeta --extern seq_macro=/opt/rustwide/target/debug/deps/libseq_macro-007f03cada6a4906.so --extern serde=/opt/rustwide/target/debug/deps/libserde-bb770e19eb58921e.rmeta --extern sndfile=/opt/rustwide/target/debug/deps/libsndfile-771ce089612e5202.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-a2c1250335d183ea.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4f2384d836d45e03546478939fb9a3e834a571ac020419fb9eb6a46231901df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2384d836d45e03546478939fb9a3e834a571ac020419fb9eb6a46231901df9", kill_on_drop: false }`
[INFO] [stdout] 4f2384d836d45e03546478939fb9a3e834a571ac020419fb9eb6a46231901df9
