[INFO] fetching crate debug_iterator 0.1.0...
[INFO] checking debug_iterator-0.1.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate debug_iterator 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate debug_iterator 0.1.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec8f790f27463c56c92fefafe7ad0c0da638f38f7f9fa0678e5429233d8b9b8b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec8f790f27463c56c92fefafe7ad0c0da638f38f7f9fa0678e5429233d8b9b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8f790f27463c56c92fefafe7ad0c0da638f38f7f9fa0678e5429233d8b9b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8f790f27463c56c92fefafe7ad0c0da638f38f7f9fa0678e5429233d8b9b8b", kill_on_drop: false }`
[INFO] [stdout] ec8f790f27463c56c92fefafe7ad0c0da638f38f7f9fa0678e5429233d8b9b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93f2f1b40d4bdc9f5637b6f0a39d2fae1bcc155a458f50ba6ea2c0837b72403d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93f2f1b40d4bdc9f5637b6f0a39d2fae1bcc155a458f50ba6ea2c0837b72403d", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0518`.
[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 E0518`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `debug_iterator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "93f2f1b40d4bdc9f5637b6f0a39d2fae1bcc155a458f50ba6ea2c0837b72403d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f2f1b40d4bdc9f5637b6f0a39d2fae1bcc155a458f50ba6ea2c0837b72403d", kill_on_drop: false }`
[INFO] [stdout] 93f2f1b40d4bdc9f5637b6f0a39d2fae1bcc155a458f50ba6ea2c0837b72403d