[INFO] updating cached repository mehcode/xchip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mehcode/xchip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mehcode/xchip" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mehcode/xchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mehcode/xchip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mehcode/xchip" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mehcode/xchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mehcode/xchip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11e15a41e36a96a570146448741c14c4de6692e8
[INFO] sha for GitHub repo mehcode/xchip: 11e15a41e36a96a570146448741c14c4de6692e8
[INFO] validating manifest of mehcode/xchip 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 mehcode/xchip 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 mehcode/xchip
[INFO] finished frobbing mehcode/xchip
[INFO] frobbed toml for mehcode/xchip written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mehcode/xchip/Cargo.toml
[INFO] started frobbing mehcode/xchip
[INFO] finished frobbing mehcode/xchip
[INFO] frobbed toml for mehcode/xchip written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mehcode/xchip/Cargo.toml
[INFO] crate mehcode/xchip 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 mehcode/xchip against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mehcode/xchip:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2aeb90c0115779964eb3f5e33dd36d02501abf63a8f841eaf442465f5f19d04e
[INFO] running `"docker" "start" "-a" "2aeb90c0115779964eb3f5e33dd36d02501abf63a8f841eaf442465f5f19d04e"`
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]    Compiling axal v0.1.0 (https://github.com/mehcode/axal.git#d213c9f7)
[INFO] [stderr]     Checking xchip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `needless_range_loop`
[INFO] [stderr]   --> src/mmu.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     #[allow(needless_range_loop, unknown_lints)]
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `needless_range_loop`
[INFO] [stderr]   --> src/mmu.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     #[allow(needless_range_loop, unknown_lints)]
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/chip_8.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super_chip`
[INFO] [stderr]  --> src/interpreter.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super_chip;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/interpreter.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |     runtime: Option<Box<Runtime>>,
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Runtime`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/chip_8.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super_chip`
[INFO] [stderr]  --> src/interpreter.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super_chip;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/interpreter.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |     runtime: Option<Box<Runtime>>,
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Runtime`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/chip_8x.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/chip_8x.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/chip_8x.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let color = c.v[y as usize] & 0b1111;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horz`
[INFO] [stderr]    --> src/chip_8x.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 let horz = (vx & 0b1111) as usize;
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_horz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vert`
[INFO] [stderr]    --> src/chip_8x.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let vert = (vx1 & 0b1111) as usize;
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_vert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/chip_8x.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 let width = (vx >> 4) + 1;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/chip_8x.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 let height = (vx1 >> 4) + 1;
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/chip_8x.rs:131:25
[INFO] [stderr]     |
[INFO] [stderr] 131 |             (0xB, x, y, n) => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/chip_8x.rs:131:19
[INFO] [stderr]     |
[INFO] [stderr] 131 |             (0xB, x, y, n) => {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/chip_8x.rs:131:22
[INFO] [stderr]     |
[INFO] [stderr] 131 |             (0xB, x, y, n) => {
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/super_chip.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |             (0x0, 0x0, 0xC, n) => {
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/interpreter.rs:121:29
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn configure(&mut self, c: &mut Context) {}
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/interpreter.rs:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn reset(&mut self, c: &mut Context) {}
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/chip_8x.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/chip_8x.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/chip_8x.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let color = c.v[y as usize] & 0b1111;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horz`
[INFO] [stderr]    --> src/chip_8x.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 let horz = (vx & 0b1111) as usize;
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_horz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vert`
[INFO] [stderr]    --> src/chip_8x.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let vert = (vx1 & 0b1111) as usize;
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_vert`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/chip_8x.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 let width = (vx >> 4) + 1;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/chip_8x.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 let height = (vx1 >> 4) + 1;
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/chip_8x.rs:131:25
[INFO] [stderr]     |
[INFO] [stderr] 131 |             (0xB, x, y, n) => {
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/chip_8x.rs:131:19
[INFO] [stderr]     |
[INFO] [stderr] 131 |             (0xB, x, y, n) => {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/chip_8x.rs:131:22
[INFO] [stderr]     |
[INFO] [stderr] 131 |             (0xB, x, y, n) => {
[INFO] [stderr]     |                      ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/super_chip.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |             (0x0, 0x0, 0xC, n) => {
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/interpreter.rs:121:29
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn configure(&mut self, c: &mut Context) {}
[INFO] [stderr]     |                             ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/interpreter.rs:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn reset(&mut self, c: &mut Context) {}
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Chip8`
[INFO] [stderr]   --> src/interpreter.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Chip8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HiResChip8`
[INFO] [stderr]   --> src/interpreter.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     HiResChip8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SuperChip`
[INFO] [stderr]   --> src/interpreter.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     SuperChip,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Chip8`
[INFO] [stderr]   --> src/interpreter.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Chip8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HiResChip8`
[INFO] [stderr]   --> src/interpreter.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     HiResChip8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SuperChip`
[INFO] [stderr]   --> src/interpreter.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     SuperChip,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `"docker" "inspect" "2aeb90c0115779964eb3f5e33dd36d02501abf63a8f841eaf442465f5f19d04e"`
[INFO] running `"docker" "rm" "-f" "2aeb90c0115779964eb3f5e33dd36d02501abf63a8f841eaf442465f5f19d04e"`
[INFO] [stdout] 2aeb90c0115779964eb3f5e33dd36d02501abf63a8f841eaf442465f5f19d04e