[INFO] fetching crate oasis-cbor-derive 0.5.1...
[INFO] documenting oasis-cbor-derive-0.5.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate oasis-cbor-derive 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate oasis-cbor-derive 0.5.1 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 oasis-cbor-derive 0.5.1
[INFO] finished tweaking crates.io crate oasis-cbor-derive 0.5.1
[INFO] tweaked toml for crates.io crate oasis-cbor-derive 0.5.1 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 oasis-cbor-value v0.5.1
[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] b5064a6782d250eccef3a6b2c74f172ca1efc1dd725a758b39ca67c392bbe4b5
[INFO] running `Command { std: "docker" "start" "-a" "b5064a6782d250eccef3a6b2c74f172ca1efc1dd725a758b39ca67c392bbe4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5064a6782d250eccef3a6b2c74f172ca1efc1dd725a758b39ca67c392bbe4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5064a6782d250eccef3a6b2c74f172ca1efc1dd725a758b39ca67c392bbe4b5", kill_on_drop: false }`
[INFO] [stdout] b5064a6782d250eccef3a6b2c74f172ca1efc1dd725a758b39ca67c392bbe4b5
[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] 617863ba629708ecf0b1ed1d0ed0dbdfe206724b66cfdae0f3f1a87022fd39dd
[INFO] running `Command { std: "docker" "start" "-a" "617863ba629708ecf0b1ed1d0ed0dbdfe206724b66cfdae0f3f1a87022fd39dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking winnow v0.5.33
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking oasis-cbor-value v0.5.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]  Documenting oasis-cbor-derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `oasis-cbor-derive`
[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=2018 --crate-type proc-macro --crate-name oasis_cbor_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2df4ab8cb419cbb4 -L dependency=/opt/rustwide/target/debug/deps --extern darling=/opt/rustwide/target/debug/deps/libdarling-bac2901b0dbd7d1c.rmeta --extern oasis_cbor_value=/opt/rustwide/target/debug/deps/liboasis_cbor_value-29710d99b975de46.rmeta --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-dbfcbb7a1ed249d7.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3889f6209a44556f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b5c91c32bf6deb64.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-8ca102cd16ff575b.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.5.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "617863ba629708ecf0b1ed1d0ed0dbdfe206724b66cfdae0f3f1a87022fd39dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617863ba629708ecf0b1ed1d0ed0dbdfe206724b66cfdae0f3f1a87022fd39dd", kill_on_drop: false }`
[INFO] [stdout] 617863ba629708ecf0b1ed1d0ed0dbdfe206724b66cfdae0f3f1a87022fd39dd
[INFO] documenting oasis-cbor-derive-0.5.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate oasis-cbor-derive 0.5.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate oasis-cbor-derive 0.5.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oasis-cbor-derive 0.5.1
[INFO] finished tweaking crates.io crate oasis-cbor-derive 0.5.1
[INFO] tweaked toml for crates.io crate oasis-cbor-derive 0.5.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b81e4195cd7729480f3da5d962dc2e3b79099726d8e819b2f6a4251baa160af6
[INFO] running `Command { std: "docker" "start" "-a" "b81e4195cd7729480f3da5d962dc2e3b79099726d8e819b2f6a4251baa160af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b81e4195cd7729480f3da5d962dc2e3b79099726d8e819b2f6a4251baa160af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81e4195cd7729480f3da5d962dc2e3b79099726d8e819b2f6a4251baa160af6", kill_on_drop: false }`
[INFO] [stdout] b81e4195cd7729480f3da5d962dc2e3b79099726d8e819b2f6a4251baa160af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1e7ffef8319bb1513f60380b6e6f356f9e2855ca9043ffded7e7e994822817
[INFO] running `Command { std: "docker" "start" "-a" "6d1e7ffef8319bb1513f60380b6e6f356f9e2855ca9043ffded7e7e994822817", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking winnow v0.5.33
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking oasis-cbor-value v0.5.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking proc-macro-crate v1.3.1
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]  Documenting oasis-cbor-derive v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `oasis-cbor-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name oasis_cbor_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c7210a18c678ddca -L dependency=/opt/rustwide/target/debug/deps --extern darling=/opt/rustwide/target/debug/deps/libdarling-6d34e3b48f3563f1.rmeta --extern oasis_cbor_value=/opt/rustwide/target/debug/deps/liboasis_cbor_value-bf7d6fc1efc69b64.rmeta --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-8d3884eb8bc60a5b.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d7586fc23a7202ec.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-af317973e368b4b7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-1196e6d878ec339b.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.5.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6d1e7ffef8319bb1513f60380b6e6f356f9e2855ca9043ffded7e7e994822817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1e7ffef8319bb1513f60380b6e6f356f9e2855ca9043ffded7e7e994822817", kill_on_drop: false }`
[INFO] [stdout] 6d1e7ffef8319bb1513f60380b6e6f356f9e2855ca9043ffded7e7e994822817
