[INFO] fetching crate mips-mcu-alloc 0.6.1...
[INFO] documenting mips-mcu-alloc-0.6.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate mips-mcu-alloc 0.6.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mips-mcu-alloc 0.6.1 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 mips-mcu-alloc 0.6.1
[INFO] finished tweaking crates.io crate mips-mcu-alloc 0.6.1
[INFO] tweaked toml for crates.io crate mips-mcu-alloc 0.6.1 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 mips-mcu v0.3.1
[INFO] [stderr]   Downloaded mips-rt v0.3.5
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded mips-rt-macros v0.3.4
[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] 8f0f075d7c12ce46b47672d828a2e23b8151d65fb38ecb15b41261249d4f37d4
[INFO] running `Command { std: "docker" "start" "-a" "8f0f075d7c12ce46b47672d828a2e23b8151d65fb38ecb15b41261249d4f37d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0f075d7c12ce46b47672d828a2e23b8151d65fb38ecb15b41261249d4f37d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0f075d7c12ce46b47672d828a2e23b8151d65fb38ecb15b41261249d4f37d4", kill_on_drop: false }`
[INFO] [stdout] 8f0f075d7c12ce46b47672d828a2e23b8151d65fb38ecb15b41261249d4f37d4
[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] 90e2add38dd441871a38e846a5ff3c8691561495e40862c69ca36b659456bdd8
[INFO] running `Command { std: "docker" "start" "-a" "90e2add38dd441871a38e846a5ff3c8691561495e40862c69ca36b659456bdd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling mips-mcu v0.3.1
[INFO] [stderr]    Compiling mips-rt v0.3.5
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling mips-rt-macros v0.3.4
[INFO] [stderr]  Documenting mips-mcu-alloc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(asm_experimental_arch)]
[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 `mips-mcu-alloc`
[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 mips_mcu_alloc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=734731f9243f95ba -L dependency=/opt/rustwide/target/debug/deps --extern critical_section=/opt/rustwide/target/debug/deps/libcritical_section-5195909f67ffe1f5.rmeta --extern linked_list_allocator=/opt/rustwide/target/debug/deps/liblinked_list_allocator-9bde7dff824c01ee.rmeta --extern mips_mcu=/opt/rustwide/target/debug/deps/libmips_mcu-19333735771aaeda.rmeta --extern mips_rt=/opt/rustwide/target/debug/deps/libmips_rt-5fd22f28cf6de4b4.rmeta --cap-lints=warn --crate-version 0.6.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "90e2add38dd441871a38e846a5ff3c8691561495e40862c69ca36b659456bdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e2add38dd441871a38e846a5ff3c8691561495e40862c69ca36b659456bdd8", kill_on_drop: false }`
[INFO] [stdout] 90e2add38dd441871a38e846a5ff3c8691561495e40862c69ca36b659456bdd8
[INFO] documenting mips-mcu-alloc-0.6.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate mips-mcu-alloc 0.6.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mips-mcu-alloc 0.6.1 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 mips-mcu-alloc 0.6.1
[INFO] finished tweaking crates.io crate mips-mcu-alloc 0.6.1
[INFO] tweaked toml for crates.io crate mips-mcu-alloc 0.6.1 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] 77d7943c40c4ffb8c21f865ba19cc5a0394e4f701122e2dbb7d47fa0eb8f2975
[INFO] running `Command { std: "docker" "start" "-a" "77d7943c40c4ffb8c21f865ba19cc5a0394e4f701122e2dbb7d47fa0eb8f2975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d7943c40c4ffb8c21f865ba19cc5a0394e4f701122e2dbb7d47fa0eb8f2975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d7943c40c4ffb8c21f865ba19cc5a0394e4f701122e2dbb7d47fa0eb8f2975", kill_on_drop: false }`
[INFO] [stdout] 77d7943c40c4ffb8c21f865ba19cc5a0394e4f701122e2dbb7d47fa0eb8f2975
[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] 77109d557e69ac3906960bbbe423e2f4f6d896c85229302e267d0c915670fd39
[INFO] running `Command { std: "docker" "start" "-a" "77109d557e69ac3906960bbbe423e2f4f6d896c85229302e267d0c915670fd39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling mips-rt v0.3.5
[INFO] [stderr]    Compiling mips-mcu v0.3.1
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling mips-rt-macros v0.3.4
[INFO] [stderr]  Documenting mips-mcu-alloc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(asm_experimental_arch)]
[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 `mips-mcu-alloc`
[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 mips_mcu_alloc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6b2273a222e5a9d7 -L dependency=/opt/rustwide/target/debug/deps --extern critical_section=/opt/rustwide/target/debug/deps/libcritical_section-198b151dad8118d5.rmeta --extern linked_list_allocator=/opt/rustwide/target/debug/deps/liblinked_list_allocator-ff6d0f5bc06d8362.rmeta --extern mips_mcu=/opt/rustwide/target/debug/deps/libmips_mcu-c19d5213311b15eb.rmeta --extern mips_rt=/opt/rustwide/target/debug/deps/libmips_rt-d58c6a62e3b4e7a4.rmeta --cap-lints=warn --crate-version 0.6.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "77109d557e69ac3906960bbbe423e2f4f6d896c85229302e267d0c915670fd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77109d557e69ac3906960bbbe423e2f4f6d896c85229302e267d0c915670fd39", kill_on_drop: false }`
[INFO] [stdout] 77109d557e69ac3906960bbbe423e2f4f6d896c85229302e267d0c915670fd39
