[INFO] fetching crate printf-compat 0.1.1...
[INFO] documenting printf-compat-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate printf-compat 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate printf-compat 0.1.1 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 printf-compat 0.1.1
[INFO] finished tweaking crates.io crate printf-compat 0.1.1
[INFO] tweaked toml for crates.io crate printf-compat 0.1.1 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" "+1.76.0" "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] 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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 640aa6dacf93dc96f1dab978715f3ee94cb74c0b77f265fc80c3a98967eecdde
[INFO] running `Command { std: "docker" "start" "-a" "640aa6dacf93dc96f1dab978715f3ee94cb74c0b77f265fc80c3a98967eecdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640aa6dacf93dc96f1dab978715f3ee94cb74c0b77f265fc80c3a98967eecdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640aa6dacf93dc96f1dab978715f3ee94cb74c0b77f265fc80c3a98967eecdde", kill_on_drop: false }`
[INFO] [stdout] 640aa6dacf93dc96f1dab978715f3ee94cb74c0b77f265fc80c3a98967eecdde
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ae022cfdba3f53a0aefaa690dd710804ddfc38fe503453c73e25f765b84610
[INFO] running `Command { std: "docker" "start" "-a" "e9ae022cfdba3f53a0aefaa690dd710804ddfc38fe503453c73e25f765b84610", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking cstr_core v0.2.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]  Documenting printf-compat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | #![feature(c_variadic)]
[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 `printf-compat`
[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=2018 --crate-type lib --crate-name printf_compat src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2a8213c91b3593e3 -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-b97deb9e7f1da5f8.rmeta --extern cstr_core=/opt/rustwide/target/debug/deps/libcstr_core-400ed21be69b45fa.rmeta --extern cty=/opt/rustwide/target/debug/deps/libcty-d822e2a141f839b0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-290621c639242d72.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e9ae022cfdba3f53a0aefaa690dd710804ddfc38fe503453c73e25f765b84610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ae022cfdba3f53a0aefaa690dd710804ddfc38fe503453c73e25f765b84610", kill_on_drop: false }`
[INFO] [stdout] e9ae022cfdba3f53a0aefaa690dd710804ddfc38fe503453c73e25f765b84610
[INFO] documenting printf-compat-0.1.1 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate printf-compat 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate printf-compat 0.1.1 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 printf-compat 0.1.1
[INFO] finished tweaking crates.io crate printf-compat 0.1.1
[INFO] tweaked toml for crates.io crate printf-compat 0.1.1 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-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-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64dde1e9bb4a20999770085c880d1ee0a16e58c15becd35d35690589fd467e4e
[INFO] running `Command { std: "docker" "start" "-a" "64dde1e9bb4a20999770085c880d1ee0a16e58c15becd35d35690589fd467e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64dde1e9bb4a20999770085c880d1ee0a16e58c15becd35d35690589fd467e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64dde1e9bb4a20999770085c880d1ee0a16e58c15becd35d35690589fd467e4e", kill_on_drop: false }`
[INFO] [stdout] 64dde1e9bb4a20999770085c880d1ee0a16e58c15becd35d35690589fd467e4e
[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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f5193c414d775b8c6b865f758dd5deaf2507eb566d48ba610b1b4f90325638c
[INFO] running `Command { std: "docker" "start" "-a" "1f5193c414d775b8c6b865f758dd5deaf2507eb566d48ba610b1b4f90325638c", kill_on_drop: false }`
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking cstr_core v0.2.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]  Documenting printf-compat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | #![feature(c_variadic)]
[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 `printf-compat`
[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=2018 --crate-type lib --crate-name printf_compat src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=07c5c09eb0f7583f -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e9d8d976431c69fc.rmeta --extern cstr_core=/opt/rustwide/target/debug/deps/libcstr_core-0abfc61595382912.rmeta --extern cty=/opt/rustwide/target/debug/deps/libcty-fc69a83c9d15e2db.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b762f4c3362f70cd.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1f5193c414d775b8c6b865f758dd5deaf2507eb566d48ba610b1b4f90325638c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5193c414d775b8c6b865f758dd5deaf2507eb566d48ba610b1b4f90325638c", kill_on_drop: false }`
[INFO] [stdout] 1f5193c414d775b8c6b865f758dd5deaf2507eb566d48ba610b1b4f90325638c
