[INFO] fetching crate rc-u8-reader 2.0.16...
[INFO] checking rc-u8-reader-2.0.16 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate rc-u8-reader 2.0.16 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rc-u8-reader 2.0.16 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-u8-reader 2.0.16
[INFO] finished tweaking crates.io crate rc-u8-reader 2.0.16
[INFO] tweaked toml for crates.io crate rc-u8-reader 2.0.16 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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e1c4ba60f470c0b2ea7c13c3706d9dd334abc82570fc3db32e27162aa1c8a89
[INFO] running `Command { std: "docker" "start" "-a" "4e1c4ba60f470c0b2ea7c13c3706d9dd334abc82570fc3db32e27162aa1c8a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e1c4ba60f470c0b2ea7c13c3706d9dd334abc82570fc3db32e27162aa1c8a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1c4ba60f470c0b2ea7c13c3706d9dd334abc82570fc3db32e27162aa1c8a89", kill_on_drop: false }`
[INFO] [stdout] 4e1c4ba60f470c0b2ea7c13c3706d9dd334abc82570fc3db32e27162aa1c8a89
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b791f4370fefc120d8236d34e50c893fca6c737e4c2a5c960972e5f95c0732
[INFO] running `Command { std: "docker" "start" "-a" "f9b791f4370fefc120d8236d34e50c893fca6c737e4c2a5c960972e5f95c0732", kill_on_drop: false }`
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]     Checking rc-u8-reader v2.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "f9b791f4370fefc120d8236d34e50c893fca6c737e4c2a5c960972e5f95c0732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b791f4370fefc120d8236d34e50c893fca6c737e4c2a5c960972e5f95c0732", kill_on_drop: false }`
[INFO] [stdout] f9b791f4370fefc120d8236d34e50c893fca6c737e4c2a5c960972e5f95c0732
[INFO] checking rc-u8-reader-2.0.16 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate rc-u8-reader 2.0.16 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rc-u8-reader 2.0.16 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-u8-reader 2.0.16
[INFO] finished tweaking crates.io crate rc-u8-reader 2.0.16
[INFO] tweaked toml for crates.io crate rc-u8-reader 2.0.16 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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00797c14ccc8c3b4d62d21d9605c86649bb44af5b68cd4d72db62a2a8873f7ef
[INFO] running `Command { std: "docker" "start" "-a" "00797c14ccc8c3b4d62d21d9605c86649bb44af5b68cd4d72db62a2a8873f7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00797c14ccc8c3b4d62d21d9605c86649bb44af5b68cd4d72db62a2a8873f7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00797c14ccc8c3b4d62d21d9605c86649bb44af5b68cd4d72db62a2a8873f7ef", kill_on_drop: false }`
[INFO] [stdout] 00797c14ccc8c3b4d62d21d9605c86649bb44af5b68cd4d72db62a2a8873f7ef
[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=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 5b7cd89b2fd46e6d493b07d6f66934366ea25c5827672ab4658739621df49d58
[INFO] running `Command { std: "docker" "start" "-a" "5b7cd89b2fd46e6d493b07d6f66934366ea25c5827672ab4658739621df49d58", kill_on_drop: false }`
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]     Checking rc-u8-reader v2.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(feature = "nightly", feature(read_initializer, seek_convenience))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `tokio`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(feature = "nightly", feature(read_initializer, seek_convenience))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `tokio`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rc-u8-reader` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rc-u8-reader` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5b7cd89b2fd46e6d493b07d6f66934366ea25c5827672ab4658739621df49d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7cd89b2fd46e6d493b07d6f66934366ea25c5827672ab4658739621df49d58", kill_on_drop: false }`
[INFO] [stdout] 5b7cd89b2fd46e6d493b07d6f66934366ea25c5827672ab4658739621df49d58
