[INFO] fetching crate supercilex-tests 0.4.1...
[INFO] documenting supercilex-tests-0.4.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate supercilex-tests 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate supercilex-tests 0.4.1 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate supercilex-tests 0.4.1
[INFO] finished tweaking crates.io crate supercilex-tests 0.4.1
[INFO] tweaked toml for crates.io crate supercilex-tests 0.4.1 written to /workspace/builds/worker-4-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 rustdoc-json v0.8.8
[INFO] [stderr]   Downloaded public-api v0.32.0
[INFO] [stderr]   Downloaded cargo-manifest v0.12.1
[INFO] [stderr]   Downloaded rustdoc-types v0.23.0
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8fbb4d8647502e907561aebc4e2d03a7eaee689d97c336ae93ad93ab30daf44c
[INFO] running `Command { std: "docker" "start" "-a" "8fbb4d8647502e907561aebc4e2d03a7eaee689d97c336ae93ad93ab30daf44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fbb4d8647502e907561aebc4e2d03a7eaee689d97c336ae93ad93ab30daf44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbb4d8647502e907561aebc4e2d03a7eaee689d97c336ae93ad93ab30daf44c", kill_on_drop: false }`
[INFO] [stdout] 8fbb4d8647502e907561aebc4e2d03a7eaee689d97c336ae93ad93ab30daf44c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3a662f9eef8af631168dfe4071c8791f7256d764ef6a068a2a8431e61be9256c
[INFO] running `Command { std: "docker" "start" "-a" "3a662f9eef8af631168dfe4071c8791f7256d764ef6a068a2a8431e61be9256c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking winnow v0.5.33
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking hashbag v0.1.11
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking expect-test v1.4.1
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking cargo-platform v0.1.6
[INFO] [stderr]     Checking rustdoc-types v0.23.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking public-api v0.32.0
[INFO] [stderr]     Checking cargo-manifest v0.12.1
[INFO] [stderr]     Checking rustdoc-json v0.8.8
[INFO] [stderr]  Documenting supercilex-tests v0.4.1 (/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(exit_status_error)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_flatten)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[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 `supercilex-tests`
[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 supercilex_tests src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4c49a85614554e5a -L dependency=/opt/rustwide/target/debug/deps --extern clap_builder=/opt/rustwide/target/debug/deps/libclap_builder-cb1c1d2027d7e732.rmeta --extern expect_test=/opt/rustwide/target/debug/deps/libexpect_test-f6f8c2f03294e3f3.rmeta --extern public_api=/opt/rustwide/target/debug/deps/libpublic_api-11ed5c93815b647c.rmeta --extern rustdoc_json=/opt/rustwide/target/debug/deps/librustdoc_json-08ff5867b550a7f9.rmeta --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3a662f9eef8af631168dfe4071c8791f7256d764ef6a068a2a8431e61be9256c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a662f9eef8af631168dfe4071c8791f7256d764ef6a068a2a8431e61be9256c", kill_on_drop: false }`
[INFO] [stdout] 3a662f9eef8af631168dfe4071c8791f7256d764ef6a068a2a8431e61be9256c
[INFO] documenting supercilex-tests-0.4.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate supercilex-tests 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate supercilex-tests 0.4.1 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] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate supercilex-tests 0.4.1
[INFO] finished tweaking crates.io crate supercilex-tests 0.4.1
[INFO] tweaked toml for crates.io crate supercilex-tests 0.4.1 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 748e81f291afdca79e498b14bd9633a9403900b01e6e5a95a91fab8b4f14a623
[INFO] running `Command { std: "docker" "start" "-a" "748e81f291afdca79e498b14bd9633a9403900b01e6e5a95a91fab8b4f14a623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "748e81f291afdca79e498b14bd9633a9403900b01e6e5a95a91fab8b4f14a623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748e81f291afdca79e498b14bd9633a9403900b01e6e5a95a91fab8b4f14a623", kill_on_drop: false }`
[INFO] [stdout] 748e81f291afdca79e498b14bd9633a9403900b01e6e5a95a91fab8b4f14a623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1f58ad45207f5b354b77f2b80c855adf17aa61b5f0f61ba9f589d5cd77f31dde
[INFO] running `Command { std: "docker" "start" "-a" "1f58ad45207f5b354b77f2b80c855adf17aa61b5f0f61ba9f589d5cd77f31dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking winnow v0.5.33
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking hashbag v0.1.11
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking expect-test v1.4.1
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking cargo-platform v0.1.6
[INFO] [stderr]     Checking rustdoc-types v0.23.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking cargo-manifest v0.12.1
[INFO] [stderr]     Checking public-api v0.32.0
[INFO] [stderr]     Checking rustdoc-json v0.8.8
[INFO] [stderr]  Documenting supercilex-tests v0.4.1 (/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(exit_status_error)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_flatten)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[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 `supercilex-tests`
[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=2021 --crate-type lib --crate-name supercilex_tests src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e5ee83b016cc459c -L dependency=/opt/rustwide/target/debug/deps --extern clap_builder=/opt/rustwide/target/debug/deps/libclap_builder-01de5720b416edc1.rmeta --extern expect_test=/opt/rustwide/target/debug/deps/libexpect_test-76c51566a8a6a01a.rmeta --extern public_api=/opt/rustwide/target/debug/deps/libpublic_api-aeb31337fd0733fe.rmeta --extern rustdoc_json=/opt/rustwide/target/debug/deps/librustdoc_json-145a39641a3c839a.rmeta --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1f58ad45207f5b354b77f2b80c855adf17aa61b5f0f61ba9f589d5cd77f31dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f58ad45207f5b354b77f2b80c855adf17aa61b5f0f61ba9f589d5cd77f31dde", kill_on_drop: false }`
[INFO] [stdout] 1f58ad45207f5b354b77f2b80c855adf17aa61b5f0f61ba9f589d5cd77f31dde
