[INFO] cloning repository https://github.com/rmw-link/sdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmw-link/sdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-link%2Fsdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-link%2Fsdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daddcc5ae2802c6d41ebdd5f0772607d77e0d2b6
[INFO] documenting rmw-link/sdb against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-link%2Fsdb" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmw-link/sdb on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmw-link/sdb
[INFO] finished tweaking git repo https://github.com/rmw-link/sdb
[INFO] tweaked toml for git repo https://github.com/rmw-link/sdb written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/rmw-link/sdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-24/source/sdb/Cargo.toml: 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/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-24/source/sdb_macro/Cargo.toml: 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/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce170fdc95f5c535e3a9de6d3a735679c489704c7ba6940493776bec69cde8bc
[INFO] running `Command { std: "docker" "start" "-a" "ce170fdc95f5c535e3a9de6d3a735679c489704c7ba6940493776bec69cde8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce170fdc95f5c535e3a9de6d3a735679c489704c7ba6940493776bec69cde8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce170fdc95f5c535e3a9de6d3a735679c489704c7ba6940493776bec69cde8bc", kill_on_drop: false }`
[INFO] [stdout] ce170fdc95f5c535e3a9de6d3a735679c489704c7ba6940493776bec69cde8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8154d4f747f67d9801f07634f7e4bb05ed8f5671784cd68c30b71e2cda5699d3
[INFO] running `Command { std: "docker" "start" "-a" "8154d4f747f67d9801f07634f7e4bb05ed8f5671784cd68c30b71e2cda5699d3", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/sdb_macro/Cargo.toml: 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/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/sdb/Cargo.toml: 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/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking sanakirja-core v1.2.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]  Documenting sdb_macro v0.0.1 (/opt/rustwide/workdir/sdb_macro)
[INFO] [stderr]    Compiling desse-derive v0.2.1
[INFO] [stderr]     Checking desse v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling sdb_macro v0.0.1 (/opt/rustwide/workdir/sdb_macro)
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking sanakirja v1.2.5
[INFO] [stderr]  Documenting sdb v0.0.10 (/opt/rustwide/workdir/sdb)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> sdb/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `sdb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sdb 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=d4a82a8792b465ff -L dependency=/opt/rustwide/target/debug/deps --extern desse=/opt/rustwide/target/debug/deps/libdesse-8ec1e5a22ecba3bd.rmeta --extern sanakirja=/opt/rustwide/target/debug/deps/libsanakirja-60deb07f5dfdb521.rmeta --extern sdb_macro=/opt/rustwide/target/debug/deps/libsdb_macro-e97c602707ea44cd.so --cap-lints=warn --crate-version 0.0.10` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8154d4f747f67d9801f07634f7e4bb05ed8f5671784cd68c30b71e2cda5699d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8154d4f747f67d9801f07634f7e4bb05ed8f5671784cd68c30b71e2cda5699d3", kill_on_drop: false }`
[INFO] [stdout] 8154d4f747f67d9801f07634f7e4bb05ed8f5671784cd68c30b71e2cda5699d3