[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] 35656be29b5ff34d3c4666b4648eb03a5d913f29
[INFO] checking joaodelgado/rust-8 against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joaodelgado/rust-8 on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joaodelgado/rust-8 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" "+1.95.0-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking joaodelgado/rust-8 against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joaodelgado/rust-8 on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joaodelgado/rust-8 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" "+1.95.0-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded sdl2-sys v0.27.2
[INFO] [stderr]   Downloaded num-integer v0.1.33
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded either v1.0.3
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded time v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded sdl2 v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56cf567c4cfc29fb9fdc5291d11dbf51e7802e5cd3fb9f10dd4171bf3b00ba76
[INFO] running `Command { std: "docker" "start" "-a" "56cf567c4cfc29fb9fdc5291d11dbf51e7802e5cd3fb9f10dd4171bf3b00ba76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56cf567c4cfc29fb9fdc5291d11dbf51e7802e5cd3fb9f10dd4171bf3b00ba76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cf567c4cfc29fb9fdc5291d11dbf51e7802e5cd3fb9f10dd4171bf3b00ba76", kill_on_drop: false }`
[INFO] [stdout] 56cf567c4cfc29fb9fdc5291d11dbf51e7802e5cd3fb9f10dd4171bf3b00ba76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6be38428a5db2383f09bf3bb90e49b7bd43604296b41d4d7cfd17fecda4ea1
[INFO] running `Command { std: "docker" "start" "-a" "fa6be38428a5db2383f09bf3bb90e49b7bd43604296b41d4d7cfd17fecda4ea1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking time v0.2.0
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking sdl2 v0.28.0
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> src/cpu.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use time::PreciseTime;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> src/cpu.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     last_sync: PreciseTime,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> src/cpu.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |             last_sync: PreciseTime::now(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]    --> src/cpu.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |         self.last_sync = PreciseTime::now();
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]    --> src/cpu.rs:227:19
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let now = PreciseTime::now();
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> src/cpu.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use time::PreciseTime;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> src/cpu.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     last_sync: PreciseTime,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]   --> src/cpu.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |             last_sync: PreciseTime::now(),
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]    --> src/cpu.rs:218:26
[INFO] [stdout]     |
[INFO] [stdout] 218 |         self.last_sync = PreciseTime::now();
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `time::PreciseTime`: Use `Instant`
[INFO] [stdout]    --> src/cpu.rs:227:19
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let now = PreciseTime::now();
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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<Instr> {
[INFO] [stdout]      |                               ^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1123 | pub fn parse(raw: u16) -> Box<dyn Instr> {
[INFO] [stdout]      |                               +++
[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<Instr>, cpu: &mut Cpu) {
[INFO] [stdout]      |                          ^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1185 | pub fn execute(inst: Box<dyn Instr>, cpu: &mut Cpu) {
[INFO] [stdout]      |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[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<Instr> {
[INFO] [stdout]      |                               ^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1123 | pub fn parse(raw: u16) -> Box<dyn Instr> {
[INFO] [stdout]      |                               +++
[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<Instr>, cpu: &mut Cpu) {
[INFO] [stdout]      |                          ^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1185 | pub fn execute(inst: Box<dyn Instr>, cpu: &mut Cpu) {
[INFO] [stdout]      |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `time::Instant::to`: Use `rhs - lhs`
[INFO] [stdout]    --> src/cpu.rs:229:70
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let ellapsed = spec::MILLI_PER_FRAME as i64 - self.last_sync.to(now).num_milliseconds();
[INFO] [stdout]     |                                                                      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `time::Duration::num_milliseconds`: Use the `whole_milliseconds` function. The value is clamped between `i64::min_value()` and `i64::max_value()`.
[INFO] [stdout]    --> src/cpu.rs:229:78
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let ellapsed = spec::MILLI_PER_FRAME as i64 - self.last_sync.to(now).num_milliseconds();
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `time::Instant::to`: Use `rhs - lhs`
[INFO] [stdout]    --> src/cpu.rs:229:70
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let ellapsed = spec::MILLI_PER_FRAME as i64 - self.last_sync.to(now).num_milliseconds();
[INFO] [stdout]     |                                                                      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `time::Duration::num_milliseconds`: Use the `whole_milliseconds` function. The value is clamped between `i64::min_value()` and `i64::max_value()`.
[INFO] [stdout]    --> src/cpu.rs:229:78
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let ellapsed = spec::MILLI_PER_FRAME as i64 - self.last_sync.to(now).num_milliseconds();
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[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<Instr> = match raw & 0xf000 {
[INFO] [stdout]      |                        ^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1124 |     let mut instr: Box<dyn Instr> = match raw & 0xf000 {
[INFO] [stdout]      |                        +++
[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<Instr> = match raw & 0xf000 {
[INFO] [stdout]      |                        ^^^^^
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1124 |     let mut instr: Box<dyn Instr> = match raw & 0xf000 {
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dummy` is never constructed
[INFO] [stdout]     --> src/instr.rs:1097:8
[INFO] [stdout]      |
[INFO] [stdout] 1097 | struct Dummy {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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]     = 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] 306 -         let r_vx = join(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", ");
[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(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", ");
[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 <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] 307 -         let stack = join(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", ");
[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(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", ");
[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: struct `Dummy` is never constructed
[INFO] [stdout]     --> src/instr.rs:1097:8
[INFO] [stdout]      |
[INFO] [stdout] 1097 | struct Dummy {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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]     = 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] 306 -         let r_vx = join(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", ");
[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(self.r_vx.into_iter().map(|v| format!("{:02x}", v)), ", ");
[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 <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] 307 -         let stack = join(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", ");
[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(self.stack.into_iter().map(|v| format!("{:04x}", v)), ", ");
[INFO] [stdout] 307 +         let stack = join(IntoIterator::into_iter(self.stack).map(|v| format!("{:04x}", v)), ", ");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "fa6be38428a5db2383f09bf3bb90e49b7bd43604296b41d4d7cfd17fecda4ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6be38428a5db2383f09bf3bb90e49b7bd43604296b41d4d7cfd17fecda4ea1", kill_on_drop: false }`
[INFO] [stdout] fa6be38428a5db2383f09bf3bb90e49b7bd43604296b41d4d7cfd17fecda4ea1
