[INFO] cloning repository https://github.com/YuraCobain/chip8_emulator_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YuraCobain/chip8_emulator_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuraCobain%2Fchip8_emulator_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuraCobain%2Fchip8_emulator_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a769c7e94e2f8759e0da72e0d3e6d7701a6bdd3
[INFO] testing YuraCobain/chip8_emulator_rust against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuraCobain%2Fchip8_emulator_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YuraCobain/chip8_emulator_rust on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YuraCobain/chip8_emulator_rust
[INFO] finished tweaking git repo https://github.com/YuraCobain/chip8_emulator_rust
[INFO] tweaked toml for git repo https://github.com/YuraCobain/chip8_emulator_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/YuraCobain/chip8_emulator_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99cf520f4789914ee9a3e430249de9945d63072b9e8664f71fe7dcda7a13552b
[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" "99cf520f4789914ee9a3e430249de9945d63072b9e8664f71fe7dcda7a13552b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99cf520f4789914ee9a3e430249de9945d63072b9e8664f71fe7dcda7a13552b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99cf520f4789914ee9a3e430249de9945d63072b9e8664f71fe7dcda7a13552b", kill_on_drop: false }`
[INFO] [stdout] 99cf520f4789914ee9a3e430249de9945d63072b9e8664f71fe7dcda7a13552b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", 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] 74caaa9339b0808476eb7baf28f8d287d9d4ae4dc5fb17db2476136183ce9afa
[INFO] running `Command { std: "docker" "start" "-a" "74caaa9339b0808476eb7baf28f8d287d9d4ae4dc5fb17db2476136183ce9afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling chip8_opcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/memory/mod.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/memory/mod.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:50
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut emulator = CPU::new(&mut mem as &mut CpuMemory,
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:54
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   &mut display as &mut VideoMemory,
[INFO] [stdout]    |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:74:55
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   &mut media_if as &mut MediaIf);
[INFO] [stdout]    |                                             ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "74caaa9339b0808476eb7baf28f8d287d9d4ae4dc5fb17db2476136183ce9afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74caaa9339b0808476eb7baf28f8d287d9d4ae4dc5fb17db2476136183ce9afa", kill_on_drop: false }`
[INFO] [stdout] 74caaa9339b0808476eb7baf28f8d287d9d4ae4dc5fb17db2476136183ce9afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8a689a5fd852c1771a0224fc04d351fd25ce21c8dc65b60b682c6f59b6df21
[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" "ae8a689a5fd852c1771a0224fc04d351fd25ce21c8dc65b60b682c6f59b6df21", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8_opcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/memory/mod.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/memory/mod.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:72:50
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut emulator = CPU::new(&mut mem as &mut CpuMemory,
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:54
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   &mut display as &mut VideoMemory,
[INFO] [stdout]    |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:74:55
[INFO] [stdout]    |
[INFO] [stdout] 74 | ...                   &mut media_if as &mut MediaIf);
[INFO] [stdout]    |                                             ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stdout]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/memory/mod.rs:189:61
[INFO] [stdout]     |
[INFO] [stdout] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stdout]     |                                                             ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/memory/mod.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "ae8a689a5fd852c1771a0224fc04d351fd25ce21c8dc65b60b682c6f59b6df21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8a689a5fd852c1771a0224fc04d351fd25ce21c8dc65b60b682c6f59b6df21", kill_on_drop: false }`
[INFO] [stdout] ae8a689a5fd852c1771a0224fc04d351fd25ce21c8dc65b60b682c6f59b6df21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34754cb5aa20342b1b2ffd12127117c058ea0fe0d4e009ac2f811fe6214a8171
[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" "34754cb5aa20342b1b2ffd12127117c058ea0fe0d4e009ac2f811fe6214a8171", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/memory/mod.rs:189:61
[INFO] [stderr]     |
[INFO] [stderr] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stderr]     |                                                             ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory/mod.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory/mod.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/memory/mod.rs:189:61
[INFO] [stderr]     |
[INFO] [stderr] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stderr]     |                                                             ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     cpu_mem: &'a mut (CpuMemory + 'a), 
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CpuMemory + 'a`
[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/cpu/mod.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     gfx_mem: &'a mut (VideoMemory + 'a), 
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     media_if: &'a mut (MediaIf + 'a),
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn MediaIf + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(cpu_mem: &'a mut CpuMemory,
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |            gfx_mem: &'a mut VideoMemory,
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/memory/mod.rs:189:61
[INFO] [stderr]     |
[INFO] [stderr] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stderr]     |                                                             ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |            media_if: &'a mut MediaIf) -> CPU<'a> {
[INFO] [stderr]    |                              ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory/mod.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:50
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut emulator = CPU::new(&mut mem as &mut CpuMemory,
[INFO] [stderr]    |                                                  ^^^^^^^^^ help: use `dyn`: `dyn CpuMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory/mod.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:73:54
[INFO] [stderr]    |
[INFO] [stderr] 73 | ...                   &mut display as &mut VideoMemory,
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn VideoMemory`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:74:55
[INFO] [stderr]    |
[INFO] [stderr] 74 | ...                   &mut media_if as &mut MediaIf);
[INFO] [stderr]    |                                             ^^^^^^^ help: use `dyn`: `dyn MediaIf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory/mod.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let mut row_bh = self.memory[curr_r][byte_offset] as u16; 
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory/mod.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let mut row_bl = self.memory[curr_r][(byte_offset + 1)] as u16; 
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8_opcode-ab2a66cee69527cc
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8_opcode-e171869f4200b147
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip8_opcode
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/memory/mod.rs:189:61
[INFO] [stderr]     |
[INFO] [stderr] 189 |             collision |= (row & row_prev != row_prev) as u8;;
[INFO] [stderr]     |                                                             ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34754cb5aa20342b1b2ffd12127117c058ea0fe0d4e009ac2f811fe6214a8171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34754cb5aa20342b1b2ffd12127117c058ea0fe0d4e009ac2f811fe6214a8171", kill_on_drop: false }`
[INFO] [stdout] 34754cb5aa20342b1b2ffd12127117c058ea0fe0d4e009ac2f811fe6214a8171
