[INFO] cloning repository https://github.com/gsilvis/rhombus-instinct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsilvis/rhombus-instinct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsilvis%2Frhombus-instinct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsilvis%2Frhombus-instinct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 301e285d5f08f1798e0cb8b1924aa32ab9ff8039
[INFO] checking gsilvis/rhombus-instinct against try#83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1 for pr-134021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsilvis%2Frhombus-instinct" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gsilvis/rhombus-instinct
[INFO] finished tweaking git repo https://github.com/gsilvis/rhombus-instinct
[INFO] tweaked toml for git repo https://github.com/gsilvis/rhombus-instinct written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gsilvis/rhombus-instinct on toolchain 83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gsilvis/rhombus-instinct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4
[INFO] running `Command { std: "docker" "start" "73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking piston-float v0.3.0
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[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking owning_ref v0.4.0
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[INFO] [stderr]     Checking rayon-core v1.4.1
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[INFO] [stderr]    Compiling num-traits v0.2.6
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[INFO] [stderr]    Compiling gl_generator v0.10.0
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[INFO] [stderr]     Checking osmesa-sys v0.1.2
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[INFO] [stderr]    Compiling libloading v0.5.0
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[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.24
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[INFO] [stderr]     Checking wayland-sys v0.21.10
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
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[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
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[INFO] [stderr]     Checking pistoncore-input v0.23.0
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[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking rhombus-instinct v0.1.0 (/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/main.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 239 -             .into_iter()
[INFO] [stdout] 239 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 237 ~         IntoIterator::into_iter(state
[INFO] [stdout] 238 ~             .occupied_places())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:355:54
[INFO] [stdout]     |
[INFO] [stdout] 355 |         for (x, y) in self.current.occupied_places().into_iter() {
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 355 -         for (x, y) in self.current.occupied_places().into_iter() {
[INFO] [stdout] 355 +         for (x, y) in self.current.occupied_places().iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 355 -         for (x, y) in self.current.occupied_places().into_iter() {
[INFO] [stdout] 355 +         for (x, y) in self.current.occupied_places() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:768:50
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in DIGITS[digit as usize].iter().zip(ctxts.into_iter()) {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in IntoIterator::into_iter(DIGITS[digit as usize]).zip(ctxts.into_iter()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:768:72
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.iter()) {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(IntoIterator::into_iter(ctxts)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 239 -             .into_iter()
[INFO] [stdout] 239 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 237 ~         IntoIterator::into_iter(state
[INFO] [stdout] 238 ~             .occupied_places())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:355:54
[INFO] [stdout]     |
[INFO] [stdout] 355 |         for (x, y) in self.current.occupied_places().into_iter() {
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 355 -         for (x, y) in self.current.occupied_places().into_iter() {
[INFO] [stdout] 355 +         for (x, y) in self.current.occupied_places().iter() {
[INFO] [stdout]     |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 355 -         for (x, y) in self.current.occupied_places().into_iter() {
[INFO] [stdout] 355 +         for (x, y) in self.current.occupied_places() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:768:50
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in DIGITS[digit as usize].iter().zip(ctxts.into_iter()) {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in IntoIterator::into_iter(DIGITS[digit as usize]).zip(ctxts.into_iter()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:768:72
[INFO] [stdout]     |
[INFO] [stdout] 768 |         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.iter()) {
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 768 -         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(ctxts.into_iter()) {
[INFO] [stdout] 768 +         for (on, ctxt) in DIGITS[digit as usize].into_iter().zip(IntoIterator::into_iter(ctxts)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4", kill_on_drop: false }`
[INFO] [stdout] 73ed0c19c718474f4f5cdbebfa541f552624e618d9785f35cb334e7dba54f5c4
