[INFO] updating cached repository UnknownNPC/rchip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/UnknownNPC/rchip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/UnknownNPC/rchip8" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnknownNPC/rchip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnknownNPC/rchip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/UnknownNPC/rchip8" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnknownNPC/rchip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnknownNPC/rchip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4d62dbb07ba802f1880663db56d3fc57bd0cdc0
[INFO] sha for GitHub repo UnknownNPC/rchip8: b4d62dbb07ba802f1880663db56d3fc57bd0cdc0
[INFO] validating manifest of UnknownNPC/rchip8 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of UnknownNPC/rchip8 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing UnknownNPC/rchip8
[INFO] finished frobbing UnknownNPC/rchip8
[INFO] frobbed toml for UnknownNPC/rchip8 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/UnknownNPC/rchip8/Cargo.toml
[INFO] started frobbing UnknownNPC/rchip8
[INFO] finished frobbing UnknownNPC/rchip8
[INFO] frobbed toml for UnknownNPC/rchip8 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnknownNPC/rchip8/Cargo.toml
[INFO] crate UnknownNPC/rchip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking UnknownNPC/rchip8 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/UnknownNPC/rchip8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7da296a5b77cf3e64752e75ecb0fda1521505e10064f0537650b101f8a984afb
[INFO] running `"docker" "start" "-a" "7da296a5b77cf3e64752e75ecb0fda1521505e10064f0537650b101f8a984afb"`
[INFO] [stderr]     Checking chip8-emu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stderr]   --> src/chip8.rs:98:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |                         0x0000 =>
[INFO] [stderr]    |                                -- while parsing the `match` arm starting here
[INFO] [stderr] ...
[INFO] [stderr] 98 |                         0x000E =>
[INFO] [stderr]    |                                ^^ expected one of `,`, `.`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stderr]    --> src/chip8.rs:196:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         0x0006 =>
[INFO] [stderr]     |                                -- while parsing the `match` arm starting here
[INFO] [stderr] 195 |                         // [8]XY[7] -Sets VX to VY minus VX. VF is set to 0 when there's a borrow, and 1 when there isn't.
[INFO] [stderr] 196 |                         0x0007 =>
[INFO] [stderr]     |                                ^^ expected one of `,`, `.`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stderr]   --> src/chip8.rs:98:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |                         0x0000 =>
[INFO] [stderr]    |                                -- while parsing the `match` arm starting here
[INFO] [stderr] ...
[INFO] [stderr] 98 |                         0x000E =>
[INFO] [stderr]    |                                ^^ expected one of `,`, `.`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stderr]    --> src/chip8.rs:196:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |                         0x0006 =>
[INFO] [stderr]     |                                -- while parsing the `match` arm starting here
[INFO] [stderr] 195 |                         // [8]XY[7] -Sets VX to VY minus VX. VF is set to 0 when there's a borrow, and 1 when there isn't.
[INFO] [stderr] 196 |                         0x0007 =>
[INFO] [stderr]     |                                ^^ expected one of `,`, `.`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/chip8.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     println!("0x0000");
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     if self.v[self.opcode & 0x0F00 >> 8] == self.opcode & 0x00FF {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     if self.v[self.opcode & 0x0F00 >> 8] != self.opcode & 0x00FF {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:134:24
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     if self.v[self.opcode & 0x0F00 >> 8] == self.v[self.opcode & 0x00F0 >> 4] {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:134:61
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     if self.v[self.opcode & 0x0F00 >> 8] == self.v[self.opcode & 0x00F0 >> 4] {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     self.v[self.opcode & 0x0F00 >> 8] = self.opcode & 0x00FF;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/chip8.rs:149:51
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     self.v[vx_index] = vx_value + self.opcode & 0x00FF;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^ expected u8, found u16
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `u16` to `u8`
[INFO] [stderr]    --> src/chip8.rs:149:49
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     self.v[vx_index] = vx_value + self.opcode & 0x00FF;
[INFO] [stderr]     |                                                 ^ no implementation for `u8 + u16`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<u16>` is not implemented for `u8`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:158:65
[INFO] [stderr]     |
[INFO] [stderr] 158 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:164:44
[INFO] [stderr]     |
[INFO] [stderr] 164 |                             let vx_value = self.v[vx_index];
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:165:29
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             self.v[vx_index] = vx_value | self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:165:59
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             self.v[vx_index] = vx_value | self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:170:44
[INFO] [stderr]     |
[INFO] [stderr] 170 |                             let vx_value = self.v[vx_index];
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:171:29
[INFO] [stderr]     |
[INFO] [stderr] 171 |                             self.v[vx_index] = vx_value & self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:171:59
[INFO] [stderr]     |
[INFO] [stderr] 171 |                             self.v[vx_index] = vx_value & self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:176:44
[INFO] [stderr]     |
[INFO] [stderr] 176 |                             let vx_value = self.v[vx_index];
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |                             self.v[vx_index] = vx_value ^ self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:177:59
[INFO] [stderr]     |
[INFO] [stderr] 177 |                             self.v[vx_index] = vx_value ^ self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:181:29
[INFO] [stderr]     |
[INFO] [stderr] 181 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:181:65
[INFO] [stderr]     |
[INFO] [stderr] 181 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:182:32
[INFO] [stderr]     |
[INFO] [stderr] 182 |                             if self.v[self.opcode & 0x00F0 >> 4] > (0xFF - self.v[self.opcode & 0x0F00 >> 8]) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:182:76
[INFO] [stderr]     |
[INFO] [stderr] 182 |                             if self.v[self.opcode & 0x00F0 >> 4] > (0xFF - self.v[self.opcode & 0x0F00 >> 8]) {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 24 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/chip8.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     println!("0x0000");
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chip8-emu`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     if self.v[self.opcode & 0x0F00 >> 8] == self.opcode & 0x00FF {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:126:24
[INFO] [stderr]     |
[INFO] [stderr] 126 |                     if self.v[self.opcode & 0x0F00 >> 8] != self.opcode & 0x00FF {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:134:24
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     if self.v[self.opcode & 0x0F00 >> 8] == self.v[self.opcode & 0x00F0 >> 4] {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:134:61
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     if self.v[self.opcode & 0x0F00 >> 8] == self.v[self.opcode & 0x00F0 >> 4] {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     self.v[self.opcode & 0x0F00 >> 8] = self.opcode & 0x00FF;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/chip8.rs:149:51
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     self.v[vx_index] = vx_value + self.opcode & 0x00FF;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^ expected u8, found u16
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `u16` to `u8`
[INFO] [stderr]    --> src/chip8.rs:149:49
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     self.v[vx_index] = vx_value + self.opcode & 0x00FF;
[INFO] [stderr]     |                                                 ^ no implementation for `u8 + u16`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<u16>` is not implemented for `u8`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:158:65
[INFO] [stderr]     |
[INFO] [stderr] 158 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:164:44
[INFO] [stderr]     |
[INFO] [stderr] 164 |                             let vx_value = self.v[vx_index];
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:165:29
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             self.v[vx_index] = vx_value | self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:165:59
[INFO] [stderr]     |
[INFO] [stderr] 165 |                             self.v[vx_index] = vx_value | self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:170:44
[INFO] [stderr]     |
[INFO] [stderr] 170 |                             let vx_value = self.v[vx_index];
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:171:29
[INFO] [stderr]     |
[INFO] [stderr] 171 |                             self.v[vx_index] = vx_value & self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:171:59
[INFO] [stderr]     |
[INFO] [stderr] 171 |                             self.v[vx_index] = vx_value & self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:176:44
[INFO] [stderr]     |
[INFO] [stderr] 176 |                             let vx_value = self.v[vx_index];
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |                             self.v[vx_index] = vx_value ^ self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:177:59
[INFO] [stderr]     |
[INFO] [stderr] 177 |                             self.v[vx_index] = vx_value ^ self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:181:29
[INFO] [stderr]     |
[INFO] [stderr] 181 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:181:65
[INFO] [stderr]     |
[INFO] [stderr] 181 |                             self.v[self.opcode & 0x0F00 >> 8] = self.v[self.opcode & 0x00F0 >> 4];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:182:32
[INFO] [stderr]     |
[INFO] [stderr] 182 |                             if self.v[self.opcode & 0x00F0 >> 4] > (0xFF - self.v[self.opcode & 0x0F00 >> 8]) {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u16`
[INFO] [stderr]    --> src/chip8.rs:182:76
[INFO] [stderr]     |
[INFO] [stderr] 182 |                             if self.v[self.opcode & 0x00F0 >> 4] > (0xFF - self.v[self.opcode & 0x0F00 >> 8]) {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u16`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::ops::Index<u16>` for `[u8]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 24 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `chip8-emu`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7da296a5b77cf3e64752e75ecb0fda1521505e10064f0537650b101f8a984afb"`
[INFO] running `"docker" "rm" "-f" "7da296a5b77cf3e64752e75ecb0fda1521505e10064f0537650b101f8a984afb"`
[INFO] [stdout] 7da296a5b77cf3e64752e75ecb0fda1521505e10064f0537650b101f8a984afb