[INFO] fetching crate c-gull 0.8.13...
[INFO] documenting c-gull-0.8.13 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate c-gull 0.8.13 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate c-gull 0.8.13 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-gull 0.8.13
[INFO] finished tweaking crates.io crate c-gull 0.8.13
[INFO] tweaked toml for crates.io crate c-gull 0.8.13 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tz-rs v0.6.14
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded realpath-ext v0.1.3
[INFO] [stderr]   Downloaded printf-compat v0.1.1
[INFO] [stderr]   Downloaded c-scape v0.8.13
[INFO] [stderr]   Downloaded origin v0.8.13
[INFO] [stderr]   Downloaded cstr_core v0.2.6
[INFO] [stderr]   Downloaded sync-resolve v0.3.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4cadf5d8d9f2251da4d109cf066f319fda0aa24328c64c0dc0c60b61da56095
[INFO] running `Command { std: "docker" "start" "-a" "c4cadf5d8d9f2251da4d109cf066f319fda0aa24328c64c0dc0c60b61da56095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4cadf5d8d9f2251da4d109cf066f319fda0aa24328c64c0dc0c60b61da56095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cadf5d8d9f2251da4d109cf066f319fda0aa24328c64c0dc0c60b61da56095", kill_on_drop: false }`
[INFO] [stdout] c4cadf5d8d9f2251da4d109cf066f319fda0aa24328c64c0dc0c60b61da56095
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea10f7ecc09ed3451449b8776b2f8bdc907b0421f44ae142531d69d0953e8da
[INFO] running `Command { std: "docker" "start" "-a" "cea10f7ecc09ed3451449b8776b2f8bdc907b0421f44ae142531d69d0953e8da", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking io-lifetimes v1.0.10
[INFO] [stderr]     Checking errno v0.3.1
[INFO] [stderr]    Compiling c-scape v0.8.13
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking realpath-ext v0.1.3
[INFO] [stderr]     Checking sync-resolve v0.3.0
[INFO] [stderr]     Checking cstr_core v0.2.6
[INFO] [stderr]     Checking tz-rs v0.6.14
[INFO] [stderr]     Checking printf-compat v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/printf-compat-0.1.1/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 compile `printf-compat` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cea10f7ecc09ed3451449b8776b2f8bdc907b0421f44ae142531d69d0953e8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea10f7ecc09ed3451449b8776b2f8bdc907b0421f44ae142531d69d0953e8da", kill_on_drop: false }`
[INFO] [stdout] cea10f7ecc09ed3451449b8776b2f8bdc907b0421f44ae142531d69d0953e8da
