[INFO] fetching crate sarc-rs 1.0.0...
[INFO] documenting sarc-rs-1.0.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate sarc-rs 1.0.0 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 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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded binwrite v0.2.1
[INFO] [stderr]   Downloaded binwrite_derive v0.2.1
[INFO] [stderr]   Downloaded cached_proc_macro v0.13.0
[INFO] [stderr]   Downloaded cached v0.36.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f795aeb114e909f1e17ed5d2e00fe0b691da4b587e24eb544327c3391863fe74
[INFO] running `Command { std: "docker" "start" "-a" "f795aeb114e909f1e17ed5d2e00fe0b691da4b587e24eb544327c3391863fe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f795aeb114e909f1e17ed5d2e00fe0b691da4b587e24eb544327c3391863fe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f795aeb114e909f1e17ed5d2e00fe0b691da4b587e24eb544327c3391863fe74", kill_on_drop: false }`
[INFO] [stdout] f795aeb114e909f1e17ed5d2e00fe0b691da4b587e24eb544327c3391863fe74
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 103fd475471e0f478be62d2448d258755f6db97f9394e8ebb061c905e1880de3
[INFO] running `Command { std: "docker" "start" "-a" "103fd475471e0f478be62d2448d258755f6db97f9394e8ebb061c905e1880de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking num-iter v0.1.44
[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 v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.57
[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 futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cached v0.36.0
[INFO] [stderr]     Checking serde_json v1.0.113
[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 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/1.76.0-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=de616b0d2f84984c -L dependency=/opt/rustwide/target/debug/deps --extern binread=/opt/rustwide/target/debug/deps/libbinread-430049005e7d098b.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-67c140222943c1ec.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-f79200eb06852f4e.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-f74e524bda472d9a.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-4fb337ad370d37c0.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-7aae13f2191f8b4f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b5ec5a2d66b022c1.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d94852ae35849936.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4db761c906823b65.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "103fd475471e0f478be62d2448d258755f6db97f9394e8ebb061c905e1880de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103fd475471e0f478be62d2448d258755f6db97f9394e8ebb061c905e1880de3", kill_on_drop: false }`
[INFO] [stdout] 103fd475471e0f478be62d2448d258755f6db97f9394e8ebb061c905e1880de3
[INFO] documenting sarc-rs-1.0.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sarc-rs 1.0.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-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-2024-02-10" "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-2024-02-10" "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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e95bb7df93dadd80eec3eb65b8ba3866d0c9da2fd38f5fe9b610ae635ac52b87
[INFO] running `Command { std: "docker" "start" "-a" "e95bb7df93dadd80eec3eb65b8ba3866d0c9da2fd38f5fe9b610ae635ac52b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e95bb7df93dadd80eec3eb65b8ba3866d0c9da2fd38f5fe9b610ae635ac52b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95bb7df93dadd80eec3eb65b8ba3866d0c9da2fd38f5fe9b610ae635ac52b87", kill_on_drop: false }`
[INFO] [stdout] e95bb7df93dadd80eec3eb65b8ba3866d0c9da2fd38f5fe9b610ae635ac52b87
[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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d06264f53bcab7ada9df3da1254ad06fe2666fd8fa261a242d2c44bfbfbd29
[INFO] running `Command { std: "docker" "start" "-a" "07d06264f53bcab7ada9df3da1254ad06fe2666fd8fa261a242d2c44bfbfbd29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking async_once v0.2.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.57
[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]     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 futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cached v0.36.0
[INFO] [stderr]     Checking serde_json v1.0.113
[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-2024-02-10-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=48efd3de884b376e -L dependency=/opt/rustwide/target/debug/deps --extern binread=/opt/rustwide/target/debug/deps/libbinread-35db0c557087aa41.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-913db7cb6ba7e851.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-15bd8e73e48570b6.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-213c91b636ddb56d.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-470eb3875b94522b.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fda8fe0b3851a4b9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-abda5c6c4da1da32.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b525625356671ea7.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4c59a5d9f0f1244e.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "07d06264f53bcab7ada9df3da1254ad06fe2666fd8fa261a242d2c44bfbfbd29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d06264f53bcab7ada9df3da1254ad06fe2666fd8fa261a242d2c44bfbfbd29", kill_on_drop: false }`
[INFO] [stdout] 07d06264f53bcab7ada9df3da1254ad06fe2666fd8fa261a242d2c44bfbfbd29
