[INFO] fetching crate debug_iterator 0.1.0...
[INFO] testing debug_iterator-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate debug_iterator 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate debug_iterator 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debug_iterator 0.1.0
[INFO] finished tweaking crates.io crate debug_iterator 0.1.0
[INFO] tweaked toml for crates.io crate debug_iterator 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b70fb35415c7c9278ab7b5d04f52e0ed08550dc7fe55da8845a035b3a9cc7e8
[INFO] running `Command { std: "docker" "start" "-a" "2b70fb35415c7c9278ab7b5d04f52e0ed08550dc7fe55da8845a035b3a9cc7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b70fb35415c7c9278ab7b5d04f52e0ed08550dc7fe55da8845a035b3a9cc7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b70fb35415c7c9278ab7b5d04f52e0ed08550dc7fe55da8845a035b3a9cc7e8", kill_on_drop: false }`
[INFO] [stdout] 2b70fb35415c7c9278ab7b5d04f52e0ed08550dc7fe55da8845a035b3a9cc7e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75cc9854a0ab0f1ee6950e320e0429fae0c3e62fa3a9074ada3029e2ccb480bb
[INFO] running `Command { std: "docker" "start" "-a" "75cc9854a0ab0f1ee6950e320e0429fae0c3e62fa3a9074ada3029e2ccb480bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling debug_iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0518]: attribute should be applied to function or closure
[INFO] [stdout]    --> src/lib.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         #[inline]
[INFO] [stdout]     |         ^^^^^^^^^ not a function or closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on struct fields, match arms and macro defs
[INFO] [stdout]    --> src/lib.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         #[inline]
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: see issue #80564 <https://github.com/rust-lang/rust/issues/80564> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0518`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `debug_iterator` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "75cc9854a0ab0f1ee6950e320e0429fae0c3e62fa3a9074ada3029e2ccb480bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc9854a0ab0f1ee6950e320e0429fae0c3e62fa3a9074ada3029e2ccb480bb", kill_on_drop: false }`
[INFO] [stdout] 75cc9854a0ab0f1ee6950e320e0429fae0c3e62fa3a9074ada3029e2ccb480bb