[INFO] fetching crate debug_iterator 0.1.0...
[INFO] testing debug_iterator-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate debug_iterator 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate debug_iterator 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5c9bd6a7eec87dad11196c7e83ddefa3c95b6325e7a84608cc2d1a774fea1a4
[INFO] running `Command { std: "docker" "start" "-a" "b5c9bd6a7eec87dad11196c7e83ddefa3c95b6325e7a84608cc2d1a774fea1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c9bd6a7eec87dad11196c7e83ddefa3c95b6325e7a84608cc2d1a774fea1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c9bd6a7eec87dad11196c7e83ddefa3c95b6325e7a84608cc2d1a774fea1a4", kill_on_drop: false }`
[INFO] [stdout] b5c9bd6a7eec87dad11196c7e83ddefa3c95b6325e7a84608cc2d1a774fea1a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878e4c57a376ae3c9a9816879c1cde063c4f477c7a174e29b086a824510dc3f7
[INFO] running `Command { std: "docker" "start" "-a" "878e4c57a376ae3c9a9816879c1cde063c4f477c7a174e29b086a824510dc3f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "878e4c57a376ae3c9a9816879c1cde063c4f477c7a174e29b086a824510dc3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878e4c57a376ae3c9a9816879c1cde063c4f477c7a174e29b086a824510dc3f7", kill_on_drop: false }`
[INFO] [stdout] 878e4c57a376ae3c9a9816879c1cde063c4f477c7a174e29b086a824510dc3f7