[INFO] fetching crate sdb 0.0.10...
[INFO] documenting sdb-0.0.10 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate sdb 0.0.10 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sdb 0.0.10 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 crates.io crate sdb 0.0.10
[INFO] finished tweaking crates.io crate sdb 0.0.10
[INFO] tweaked toml for crates.io crate sdb 0.0.10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sanakirja v1.4.1
[INFO] [stderr]   Downloaded sanakirja-core v1.4.1
[INFO] [stderr]   Downloaded sdb_macro v0.0.1
[INFO] [stderr]   Downloaded desse v0.2.1
[INFO] [stderr]   Downloaded desse-derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e0ba35d09316d4c96e549947f0d1a21b9ab4cf4edcf567222731771c0b0e5161
[INFO] running `Command { std: "docker" "start" "-a" "e0ba35d09316d4c96e549947f0d1a21b9ab4cf4edcf567222731771c0b0e5161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0ba35d09316d4c96e549947f0d1a21b9ab4cf4edcf567222731771c0b0e5161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ba35d09316d4c96e549947f0d1a21b9ab4cf4edcf567222731771c0b0e5161", kill_on_drop: false }`
[INFO] [stdout] e0ba35d09316d4c96e549947f0d1a21b9ab4cf4edcf567222731771c0b0e5161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9f3a8ff32ecabbb586e09475d5ccc362ef3555edeb10cbb0e204c93b265971b0
[INFO] running `Command { std: "docker" "start" "-a" "9f3a8ff32ecabbb586e09475d5ccc362ef3555edeb10cbb0e204c93b265971b0", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking sanakirja-core v1.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling sdb_macro v0.0.1
[INFO] [stderr]    Compiling desse-derive v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking desse v0.2.1
[INFO] [stderr]     Checking sanakirja v1.4.1
[INFO] [stderr]  Documenting sdb v0.0.10 (/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(decl_macro)]
[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 `sdb`
[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 sdb src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="desse"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4ae1a15b861ada8b -L dependency=/opt/rustwide/target/debug/deps --extern desse=/opt/rustwide/target/debug/deps/libdesse-a44b7739681d1ba0.rmeta --extern sanakirja=/opt/rustwide/target/debug/deps/libsanakirja-6c8224b6e1a5fd64.rmeta --extern sdb_macro=/opt/rustwide/target/debug/deps/libsdb_macro-e1ebde0be6302982.so --cap-lints=warn --crate-version 0.0.10` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9f3a8ff32ecabbb586e09475d5ccc362ef3555edeb10cbb0e204c93b265971b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3a8ff32ecabbb586e09475d5ccc362ef3555edeb10cbb0e204c93b265971b0", kill_on_drop: false }`
[INFO] [stdout] 9f3a8ff32ecabbb586e09475d5ccc362ef3555edeb10cbb0e204c93b265971b0
