[INFO] fetching crate sev-snp-utils 1.3.4...
[INFO] documenting sev-snp-utils-1.3.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate sev-snp-utils 1.3.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate sev-snp-utils 1.3.4 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] started tweaking crates.io crate sev-snp-utils 1.3.4
[INFO] finished tweaking crates.io crate sev-snp-utils 1.3.4
[INFO] tweaked toml for crates.io crate sev-snp-utils 1.3.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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 cached v0.41.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b4f40405e8fce4ed0f40458a9ac457949b2b0236f4a1c49de8b08501051a00a6
[INFO] running `Command { std: "docker" "start" "-a" "b4f40405e8fce4ed0f40458a9ac457949b2b0236f4a1c49de8b08501051a00a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4f40405e8fce4ed0f40458a9ac457949b2b0236f4a1c49de8b08501051a00a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f40405e8fce4ed0f40458a9ac457949b2b0236f4a1c49de8b08501051a00a6", kill_on_drop: false }`
[INFO] [stdout] b4f40405e8fce4ed0f40458a9ac457949b2b0236f4a1c49de8b08501051a00a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6a7623141aca2824cba8d8050577ecbb7ff7c9a8ec7c581657f6816a8c98e180
[INFO] running `Command { std: "docker" "start" "-a" "6a7623141aca2824cba8d8050577ecbb7ff7c9a8ec7c581657f6816a8c98e180", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking value-bag v1.4.3
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking openssl-sys v0.9.98
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling uuid-macro-internal v1.6.1
[INFO] [stderr]     Checking polling v3.3.1
[INFO] [stderr]     Checking async-io v2.2.2
[INFO] [stderr]     Checking openssl v0.10.62
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.15.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking cached v0.41.0
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.23
[INFO] [stderr]  Documenting sev-snp-utils v1.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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 `sev-snp-utils`
[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=2021 --crate-type lib --crate-name sev_snp_utils src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e40c72f2c2f01ce2 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-bf7073b0112a12a4.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-0af9d5f6b6e6bc43.so --extern base64=/opt/rustwide/target/debug/deps/libbase64-30d5933b5ea69ea9.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-5534741672bec0e6.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7620dcb02882a88c.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-19782e77171d7466.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-652038a9448bde77.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-154257be2cdb5bdc.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-703a71779d7c4255.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-efedfa7d92862d34.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-1b3de3223b662be9.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-94384e5ea6a973b7.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-d40da02735f61f04.rmeta --extern pem=/opt/rustwide/target/debug/deps/libpem-f3091d79bd8ca7a9.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f47bab9119e34123.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-e65f8701aaaa9fd0.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-84ea4988bb4921ee.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-3aa3c2793d9f79c2.rmeta --cap-lints=warn --crate-version 1.3.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6a7623141aca2824cba8d8050577ecbb7ff7c9a8ec7c581657f6816a8c98e180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7623141aca2824cba8d8050577ecbb7ff7c9a8ec7c581657f6816a8c98e180", kill_on_drop: false }`
[INFO] [stdout] 6a7623141aca2824cba8d8050577ecbb7ff7c9a8ec7c581657f6816a8c98e180
