[INFO] fetching crate printf-compat 0.1.1...
[INFO] documenting printf-compat-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate printf-compat 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate printf-compat 0.1.1 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 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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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 cstr_core v0.2.6
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e765a0cca5cb74cb09b2fa6f1f51128fb8e4f2d4349fc0e480a69865cbb007e
[INFO] running `Command { std: "docker" "start" "-a" "3e765a0cca5cb74cb09b2fa6f1f51128fb8e4f2d4349fc0e480a69865cbb007e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e765a0cca5cb74cb09b2fa6f1f51128fb8e4f2d4349fc0e480a69865cbb007e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e765a0cca5cb74cb09b2fa6f1f51128fb8e4f2d4349fc0e480a69865cbb007e", kill_on_drop: false }`
[INFO] [stdout] 3e765a0cca5cb74cb09b2fa6f1f51128fb8e4f2d4349fc0e480a69865cbb007e
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4b8c49223d87e6a63d947f60dce41159c33d9d75b61a80c6ff5e7568a6b928
[INFO] running `Command { std: "docker" "start" "-a" "ec4b8c49223d87e6a63d947f60dce41159c33d9d75b61a80c6ff5e7568a6b928", kill_on_drop: false }`
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking cstr_core v0.2.6
[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 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/1.75.0-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=ebd21b2361c42a5e -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c0bd97bdb7c1fbd1.rmeta --extern cstr_core=/opt/rustwide/target/debug/deps/libcstr_core-0e15d919e59341e5.rmeta --extern cty=/opt/rustwide/target/debug/deps/libcty-254049bdcc7feb3a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e12c352b54965a75.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ec4b8c49223d87e6a63d947f60dce41159c33d9d75b61a80c6ff5e7568a6b928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4b8c49223d87e6a63d947f60dce41159c33d9d75b61a80c6ff5e7568a6b928", kill_on_drop: false }`
[INFO] [stdout] ec4b8c49223d87e6a63d947f60dce41159c33d9d75b61a80c6ff5e7568a6b928
[INFO] documenting printf-compat-0.1.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate printf-compat 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate printf-compat 0.1.1 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 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-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-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-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c7492e26f25699e4ae79e42a75d743c4e7dac50372564d5599e8115a7241d53
[INFO] running `Command { std: "docker" "start" "-a" "5c7492e26f25699e4ae79e42a75d743c4e7dac50372564d5599e8115a7241d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c7492e26f25699e4ae79e42a75d743c4e7dac50372564d5599e8115a7241d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7492e26f25699e4ae79e42a75d743c4e7dac50372564d5599e8115a7241d53", kill_on_drop: false }`
[INFO] [stdout] 5c7492e26f25699e4ae79e42a75d743c4e7dac50372564d5599e8115a7241d53
[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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c3635af42fa0ed1ae024277613cc1753a554a38e38cf76afdf4bdc5c52b649
[INFO] running `Command { std: "docker" "start" "-a" "f8c3635af42fa0ed1ae024277613cc1753a554a38e38cf76afdf4bdc5c52b649", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking cstr_core v0.2.6
[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-2023-12-22-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=64728f3560e586f1 -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-e87fa12305cd1375.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f8c3635af42fa0ed1ae024277613cc1753a554a38e38cf76afdf4bdc5c52b649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c3635af42fa0ed1ae024277613cc1753a554a38e38cf76afdf4bdc5c52b649", kill_on_drop: false }`
[INFO] [stdout] f8c3635af42fa0ed1ae024277613cc1753a554a38e38cf76afdf4bdc5c52b649
