[INFO] fetching crate ommui_file_loading 0.7.1...
[INFO] checking ommui_file_loading-0.7.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate ommui_file_loading 0.7.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ommui_file_loading 0.7.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ommui_file_loading 0.7.1
[INFO] finished tweaking crates.io crate ommui_file_loading 0.7.1
[INFO] tweaked toml for crates.io crate ommui_file_loading 0.7.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5271bba6b31ab5d4882ca6d9dfa2e50dd5d784622abd58dc0e96059d371b3d6f
[INFO] running `Command { std: "docker" "start" "-a" "5271bba6b31ab5d4882ca6d9dfa2e50dd5d784622abd58dc0e96059d371b3d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5271bba6b31ab5d4882ca6d9dfa2e50dd5d784622abd58dc0e96059d371b3d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5271bba6b31ab5d4882ca6d9dfa2e50dd5d784622abd58dc0e96059d371b3d6f", kill_on_drop: false }`
[INFO] [stdout] 5271bba6b31ab5d4882ca6d9dfa2e50dd5d784622abd58dc0e96059d371b3d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4b7191c3ef694e6215a57a66498c35e5c9db19fb7edcbdb0157e757ff265d2
[INFO] running `Command { std: "docker" "start" "-a" "8e4b7191c3ef694e6215a57a66498c35e5c9db19fb7edcbdb0157e757ff265d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking ommui_file_loading v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/lib.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 234 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let expected = IntoIterator::into_iter(["world", "neighbour"])
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.05s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e4b7191c3ef694e6215a57a66498c35e5c9db19fb7edcbdb0157e757ff265d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4b7191c3ef694e6215a57a66498c35e5c9db19fb7edcbdb0157e757ff265d2", kill_on_drop: false }`
[INFO] [stdout] 8e4b7191c3ef694e6215a57a66498c35e5c9db19fb7edcbdb0157e757ff265d2