[INFO] fetching crate sarc-rs 1.0.0...
[INFO] documenting sarc-rs-1.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sarc-rs 1.0.0 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 sarc-rs 1.0.0
[INFO] finished tweaking crates.io crate sarc-rs 1.0.0
[INFO] tweaked toml for crates.io crate sarc-rs 1.0.0 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" "+1.75.0" "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 async_once v0.2.6
[INFO] [stderr]   Downloaded cached v0.36.0
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.0
[INFO] [stderr]   Downloaded binread_derive v2.1.0
[INFO] [stderr]   Downloaded cached_proc_macro v0.13.0
[INFO] [stderr]   Downloaded binread v2.2.0
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e746425c4226b9516f599637f60f9a3845f23fbb4ea469d57b93d102c45501
[INFO] running `Command { std: "docker" "start" "-a" "50e746425c4226b9516f599637f60f9a3845f23fbb4ea469d57b93d102c45501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e746425c4226b9516f599637f60f9a3845f23fbb4ea469d57b93d102c45501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e746425c4226b9516f599637f60f9a3845f23fbb4ea469d57b93d102c45501", kill_on_drop: false }`
[INFO] [stdout] 50e746425c4226b9516f599637f60f9a3845f23fbb4ea469d57b93d102c45501
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b4f8ad61589b57e16137f5650e98700966455763a078b733f693ddc654c1b8
[INFO] running `Command { std: "docker" "start" "-a" "92b4f8ad61589b57e16137f5650e98700966455763a078b733f693ddc654c1b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.13.0
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking cached v0.36.0
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]  Documenting sarc-rs v1.0.0 (/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(const_slice_index)]
[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 `sarc-rs`
[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 sarc_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=98422f372cadf0d1 -L dependency=/opt/rustwide/target/debug/deps --extern binread=/opt/rustwide/target/debug/deps/libbinread-fef3bad95f8f8782.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-5453d1fd7982d909.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-f79749544e4d5224.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-e904b74c696a2e31.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-2ace01366adbcb3f.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-6c656b3e72f7bfc4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f12fcc055fb2bfeb.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-7e5a118ac7482342.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-2a70c83751c881a9.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "92b4f8ad61589b57e16137f5650e98700966455763a078b733f693ddc654c1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b4f8ad61589b57e16137f5650e98700966455763a078b733f693ddc654c1b8", kill_on_drop: false }`
[INFO] [stdout] 92b4f8ad61589b57e16137f5650e98700966455763a078b733f693ddc654c1b8
[INFO] documenting sarc-rs-1.0.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate sarc-rs 1.0.0 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 sarc-rs 1.0.0
[INFO] finished tweaking crates.io crate sarc-rs 1.0.0
[INFO] tweaked toml for crates.io crate sarc-rs 1.0.0 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bba8b82da82f61fc3cccdd21acbb5bfb00bf87036482fbba0c545907c088de0b
[INFO] running `Command { std: "docker" "start" "-a" "bba8b82da82f61fc3cccdd21acbb5bfb00bf87036482fbba0c545907c088de0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba8b82da82f61fc3cccdd21acbb5bfb00bf87036482fbba0c545907c088de0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba8b82da82f61fc3cccdd21acbb5bfb00bf87036482fbba0c545907c088de0b", kill_on_drop: false }`
[INFO] [stdout] bba8b82da82f61fc3cccdd21acbb5bfb00bf87036482fbba0c545907c088de0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a84ade4fd8f4ebdab9d35aac3f24ad414024b44c1007829a2b6b797caad59ad4
[INFO] running `Command { std: "docker" "start" "-a" "a84ade4fd8f4ebdab9d35aac3f24ad414024b44c1007829a2b6b797caad59ad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling cached_proc_macro v0.13.0
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cached v0.36.0
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]  Documenting sarc-rs v1.0.0 (/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(const_slice_index)]
[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 `sarc-rs`
[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 sarc_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=38b1f5898e7ee8d8 -L dependency=/opt/rustwide/target/debug/deps --extern binread=/opt/rustwide/target/debug/deps/libbinread-a270414d970781d4.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-e40ce320b1015c47.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-ac0a1882a7dc57f2.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-3cd6816ee3c6e6bd.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-470eb3875b94522b.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-f65c8e859107b340.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c55f8848c04dc88a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c714fcf41c845847.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-bbacb78e80a7cf7e.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a84ade4fd8f4ebdab9d35aac3f24ad414024b44c1007829a2b6b797caad59ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84ade4fd8f4ebdab9d35aac3f24ad414024b44c1007829a2b6b797caad59ad4", kill_on_drop: false }`
[INFO] [stdout] a84ade4fd8f4ebdab9d35aac3f24ad414024b44c1007829a2b6b797caad59ad4
