[INFO] cloning repository https://github.com/joaodelgado/rust-8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaodelgado/rust-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23d0c09fef556ee908d22b2606f3c4ff4fac7e0d [INFO] testing joaodelgado/rust-8 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8" "/workspace/builds/worker-88/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joaodelgado/rust-8 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joaodelgado/rust-8 [INFO] finished tweaking git repo https://github.com/joaodelgado/rust-8 [INFO] tweaked toml for git repo https://github.com/joaodelgado/rust-8 written to /workspace/builds/worker-88/source/Cargo.toml [INFO] crate git repo https://github.com/joaodelgado/rust-8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.1.37 [INFO] [stderr] Downloaded either v1.0.3 [INFO] [stderr] Downloaded sdl2-sys v0.27.2 [INFO] [stderr] Downloaded itertools v0.5.9 [INFO] [stderr] Downloaded sdl2 v0.28.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1a4c0808694aace84c2d9919902700a3cdcf0ea0487af96bbc099ba63518c75 [INFO] running `Command { std: "docker" "start" "-a" "f1a4c0808694aace84c2d9919902700a3cdcf0ea0487af96bbc099ba63518c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1a4c0808694aace84c2d9919902700a3cdcf0ea0487af96bbc099ba63518c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a4c0808694aace84c2d9919902700a3cdcf0ea0487af96bbc099ba63518c75", kill_on_drop: false }` [INFO] [stdout] f1a4c0808694aace84c2d9919902700a3cdcf0ea0487af96bbc099ba63518c75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f95f29507e7157c6dd9c7d333ffe054d6410bf44f6026a5ab04b286de81999f [INFO] running `Command { std: "docker" "start" "-a" "9f95f29507e7157c6dd9c7d333ffe054d6410bf44f6026a5ab04b286de81999f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.1.37 [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling sdl2-sys v0.27.2 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling lazy_static v0.2.2 [INFO] [stderr] Compiling either v1.0.3 [INFO] [stderr] Compiling itertools v0.5.9 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling num-integer v0.1.33 [INFO] [stderr] Compiling num-iter v0.1.33 [INFO] [stderr] Compiling num v0.1.37 [INFO] [stderr] Compiling sdl2 v0.28.0 [INFO] [stderr] Compiling chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/instr.rs:1123:31 [INFO] [stdout] | [INFO] [stdout] 1123 | pub fn parse(raw: u16) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/instr.rs:1124:24 [INFO] [stdout] | [INFO] [stdout] 1124 | let mut instr: Box = match raw & 0xf000 { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/instr.rs:1185:26 [INFO] [stdout] | [INFO] [stdout] 1185 | pub fn execute(inst: Box, cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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/cpu.rs:306:35 [INFO] [stdout] | [INFO] [stdout] 306 | let r_vx = join(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", "); [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 306 | let r_vx = join(self.r_vx.iter().map(|v| format!("{:02x}", v)), ", "); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 306 | let r_vx = join(IntoIterator::into_iter(self.r_vx).map(|v| format!("{:02x}", v)), ", "); [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/cpu.rs:307:37 [INFO] [stdout] | [INFO] [stdout] 307 | let stack = join(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", "); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 307 | let stack = join(self.stack.iter().map(|v| format!("{:04x}", v)), ", "); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 307 | let stack = join(IntoIterator::into_iter(self.stack).map(|v| format!("{:04x}", v)), ", "); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "9f95f29507e7157c6dd9c7d333ffe054d6410bf44f6026a5ab04b286de81999f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f95f29507e7157c6dd9c7d333ffe054d6410bf44f6026a5ab04b286de81999f", kill_on_drop: false }` [INFO] [stdout] 9f95f29507e7157c6dd9c7d333ffe054d6410bf44f6026a5ab04b286de81999f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f72f9f9bdc7de9e9f7b1452da324885adbafc91606bf5b90918820486c1f7c82 [INFO] running `Command { std: "docker" "start" "-a" "f72f9f9bdc7de9e9f7b1452da324885adbafc91606bf5b90918820486c1f7c82", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chip-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/instr.rs:1123:31 [INFO] [stdout] | [INFO] [stdout] 1123 | pub fn parse(raw: u16) -> Box { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/instr.rs:1124:24 [INFO] [stdout] | [INFO] [stdout] 1124 | let mut instr: Box = match raw & 0xf000 { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/instr.rs:1185:26 [INFO] [stdout] | [INFO] [stdout] 1185 | pub fn execute(inst: Box, cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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/cpu.rs:306:35 [INFO] [stdout] | [INFO] [stdout] 306 | let r_vx = join(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", "); [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 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 306 | let r_vx = join(self.r_vx.iter().map(|v| format!("{:02x}", v)), ", "); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 306 | let r_vx = join(IntoIterator::into_iter(self.r_vx).map(|v| format!("{:02x}", v)), ", "); [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/cpu.rs:307:37 [INFO] [stdout] | [INFO] [stdout] 307 | let stack = join(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", "); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 307 | let stack = join(self.stack.iter().map(|v| format!("{:04x}", v)), ", "); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 307 | let stack = join(IntoIterator::into_iter(self.stack).map(|v| format!("{:04x}", v)), ", "); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "f72f9f9bdc7de9e9f7b1452da324885adbafc91606bf5b90918820486c1f7c82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f72f9f9bdc7de9e9f7b1452da324885adbafc91606bf5b90918820486c1f7c82", kill_on_drop: false }` [INFO] [stdout] f72f9f9bdc7de9e9f7b1452da324885adbafc91606bf5b90918820486c1f7c82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f6f40dd65447d8e5fd247c56967a104600eb8c0f74a4dd1b7c9b1230b308c17f [INFO] running `Command { std: "docker" "start" "-a" "f6f40dd65447d8e5fd247c56967a104600eb8c0f74a4dd1b7c9b1230b308c17f", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/instr.rs:1123:31 [INFO] [stderr] | [INFO] [stderr] 1123 | pub fn parse(raw: u16) -> Box { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/instr.rs:1124:24 [INFO] [stderr] | [INFO] [stderr] 1124 | let mut instr: Box = match raw & 0xf000 { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/instr.rs:1185:26 [INFO] [stderr] | [INFO] [stderr] 1185 | pub fn execute(inst: Box, cpu: &mut Cpu) { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Instr` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/cpu.rs:306:35 [INFO] [stderr] | [INFO] [stderr] 306 | let r_vx = join(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", "); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 306 | let r_vx = join(self.r_vx.iter().map(|v| format!("{:02x}", v)), ", "); [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 306 | let r_vx = join(IntoIterator::into_iter(self.r_vx).map(|v| format!("{:02x}", v)), ", "); [INFO] [stderr] | ++++++++++++++++++++++++ ~ [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/cpu.rs:307:37 [INFO] [stderr] | [INFO] [stderr] 307 | let stack = join(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", "); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 307 | let stack = join(self.stack.iter().map(|v| format!("{:04x}", v)), ", "); [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 307 | let stack = join(IntoIterator::into_iter(self.stack).map(|v| format!("{:04x}", v)), ", "); [INFO] [stderr] | ++++++++++++++++++++++++ ~ [INFO] [stderr] [INFO] [stderr] warning: `chip-8` (bin "chip-8" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chip_8-257d8b0dc77e3cde) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f6f40dd65447d8e5fd247c56967a104600eb8c0f74a4dd1b7c9b1230b308c17f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6f40dd65447d8e5fd247c56967a104600eb8c0f74a4dd1b7c9b1230b308c17f", kill_on_drop: false }` [INFO] [stdout] f6f40dd65447d8e5fd247c56967a104600eb8c0f74a4dd1b7c9b1230b308c17f