[INFO] updating cached repository https://github.com/joaodelgado/rust-8
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23d0c09fef556ee908d22b2606f3c4ff4fac7e0d
[INFO] checking joaodelgado/rust-8 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaodelgado%2Frust-8" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaodelgado/rust-8 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/joaodelgado/rust-8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55aa6616c5783836e67ff232ba7abb2e0286afc88727ef14def18c26225156ef
[INFO] running `"docker" "start" "-a" "55aa6616c5783836e67ff232ba7abb2e0286afc88727ef14def18c26225156ef"`
[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 sdl2 v0.28.0
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[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<Instr> {
[INFO] [stderr]      |                               ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[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<Instr> = match raw & 0xf000 {
[INFO] [stderr]      |                        ^^^^^ help: use `dyn`: `dyn Instr`
[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<Instr>, cpu: &mut Cpu) {
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stderr] 
[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<Instr> {
[INFO] [stderr]      |                               ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[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<Instr> = match raw & 0xf000 {
[INFO] [stderr]      |                        ^^^^^ help: use `dyn`: `dyn Instr`
[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<Instr>, cpu: &mut Cpu) {
[INFO] [stderr]      |                          ^^^^^ help: use `dyn`: `dyn Instr`
[INFO] [stderr] 
[INFO] [stderr] 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] [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]     |                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] 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] [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]     |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] 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] [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]     |                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] 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] [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]     |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `"docker" "inspect" "55aa6616c5783836e67ff232ba7abb2e0286afc88727ef14def18c26225156ef"`
[INFO] running `"docker" "rm" "-f" "55aa6616c5783836e67ff232ba7abb2e0286afc88727ef14def18c26225156ef"`
[INFO] [stdout] 55aa6616c5783836e67ff232ba7abb2e0286afc88727ef14def18c26225156ef