[INFO] fetching crate crypto-brainfuck 0.2.0...
[INFO] building crypto-brainfuck-0.2.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate crypto-brainfuck 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crypto-brainfuck 0.2.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crypto-brainfuck 0.2.0
[INFO] finished tweaking crates.io crate crypto-brainfuck 0.2.0
[INFO] tweaked toml for crates.io crate crypto-brainfuck 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86407c87310eb2af624748713cf673f463c16f3602c36a71dffd7a3cdb9fcf91
[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" "86407c87310eb2af624748713cf673f463c16f3602c36a71dffd7a3cdb9fcf91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86407c87310eb2af624748713cf673f463c16f3602c36a71dffd7a3cdb9fcf91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86407c87310eb2af624748713cf673f463c16f3602c36a71dffd7a3cdb9fcf91", kill_on_drop: false }`
[INFO] [stdout] 86407c87310eb2af624748713cf673f463c16f3602c36a71dffd7a3cdb9fcf91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83b2a121e8e9d1ff10caa265d8a489cf8ff095b5946a3afa1e9e87ed5404c7b
[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" "d83b2a121e8e9d1ff10caa265d8a489cf8ff095b5946a3afa1e9e87ed5404c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shortest-brainfuck v0.2.0
[INFO] [stderr]    Compiling crypto-brainfuck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "d83b2a121e8e9d1ff10caa265d8a489cf8ff095b5946a3afa1e9e87ed5404c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83b2a121e8e9d1ff10caa265d8a489cf8ff095b5946a3afa1e9e87ed5404c7b", kill_on_drop: false }`
[INFO] [stdout] d83b2a121e8e9d1ff10caa265d8a489cf8ff095b5946a3afa1e9e87ed5404c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eed65e4b56949d370cbb084a9f5a0619c9e5155b31b7eacb3a077461ff7d33c4
[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" "eed65e4b56949d370cbb084a9f5a0619c9e5155b31b7eacb3a077461ff7d33c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypto-brainfuck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         assert_matches!(iter.next(), Some(IrOp::Left(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         assert_matches!(iter.next(), Some(IrOp::Write(_)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 |         assert_matches!(iter.next(), Some(IrOp::Read(_)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 2)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         assert_matches!(iter.next(), Some(IrOp::JumpIfZero(_, _)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         assert_matches!(iter.next(), Some(IrOp::MulCopy(_, 1, 2)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         assert_matches!(iter.next(), Some(IrOp::MulCopy(_, 2, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 0)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 254)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |         assert_matches!(iter.next(), Some(IrOp::Left(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         assert_matches!(iter.next(), Some(IrOp::JumpIfNotZero(_, _)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |         assert_matches!(iter.next(), Some(IrOp::MulCopy(_, 1, -4)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 0)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 2)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 407 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:411:9
[INFO] [stdout]     |
[INFO] [stdout] 411 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 421 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:423:9
[INFO] [stdout]     |
[INFO] [stdout] 423 |         assert_matches!(iter.next(), Some(IrOp::Left(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         assert_matches!(iter.next(), Some(IrOp::Left(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 437 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 2)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 3)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         assert_matches!(iter.next(), Some(IrOp::Sub(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         assert_matches!(iter.next(), Some(IrOp::Left(_, 4)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:455:9
[INFO] [stdout]     |
[INFO] [stdout] 455 |         assert_matches!(iter.next(), Some(IrOp::Add(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:456:9
[INFO] [stdout]     |
[INFO] [stdout] 456 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 0)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 0)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 5)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         assert_matches!(iter.next(), Some(IrOp::Right(_, 1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 252)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         assert_matches!(iter.next(), Some(IrOp::SetIndirect(_, 252)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'assert_matches'
[INFO] [stdout]    --> src/utils/ir.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         assert_matches!(iter.next(), None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout]     = help: add `#![feature(assert_matches)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 66 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crypto-brainfuck`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "eed65e4b56949d370cbb084a9f5a0619c9e5155b31b7eacb3a077461ff7d33c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed65e4b56949d370cbb084a9f5a0619c9e5155b31b7eacb3a077461ff7d33c4", kill_on_drop: false }`
[INFO] [stdout] eed65e4b56949d370cbb084a9f5a0619c9e5155b31b7eacb3a077461ff7d33c4
