[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] checking joaodelgado/rust-8 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaodelgado/rust-8 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded sdl2-sys v0.27.2
[INFO] [stderr]   Downloaded sdl2 v0.28.0
[INFO] [stderr]   Downloaded either v1.0.3
[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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab6ad9211908e187a2e4249962eeb36e6860a367ea104e91c4761b21b25d5117
[INFO] running `Command { std: "docker" "start" "-a" "ab6ad9211908e187a2e4249962eeb36e6860a367ea104e91c4761b21b25d5117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab6ad9211908e187a2e4249962eeb36e6860a367ea104e91c4761b21b25d5117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6ad9211908e187a2e4249962eeb36e6860a367ea104e91c4761b21b25d5117", kill_on_drop: false }`
[INFO] [stdout] ab6ad9211908e187a2e4249962eeb36e6860a367ea104e91c4761b21b25d5117
[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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c55cc5fe7993569c6f731bff5e93ef9c47ee44e80b697be47b406e6bd25bdcb0
[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" "c55cc5fe7993569c6f731bff5e93ef9c47ee44e80b697be47b406e6bd25bdcb0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[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: 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]      |                               ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[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]      |                        ^^^^^ help: use `dyn`: `dyn Instr`
[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]      |                          ^^^^^ help: use `dyn`: `dyn Instr`
[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]      |                               ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[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]      |                        ^^^^^ help: use `dyn`: `dyn Instr`
[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]      |                          ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "c55cc5fe7993569c6f731bff5e93ef9c47ee44e80b697be47b406e6bd25bdcb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55cc5fe7993569c6f731bff5e93ef9c47ee44e80b697be47b406e6bd25bdcb0", kill_on_drop: false }`
[INFO] [stdout] c55cc5fe7993569c6f731bff5e93ef9c47ee44e80b697be47b406e6bd25bdcb0