[INFO] cloning repository https://github.com/mehcode/xchip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehcode/xchip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Fxchip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Fxchip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11e15a41e36a96a570146448741c14c4de6692e8
[INFO] checking mehcode/xchip against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Fxchip" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehcode/xchip on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mehcode/xchip
[INFO] finished tweaking git repo https://github.com/mehcode/xchip
[INFO] tweaked toml for git repo https://github.com/mehcode/xchip written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mehcode/xchip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mehcode/axal.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0e3da0f2cc32a987bd6d8593be7f193fd1a068ce37e16af11abea337c593a5
[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" "2c0e3da0f2cc32a987bd6d8593be7f193fd1a068ce37e16af11abea337c593a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0e3da0f2cc32a987bd6d8593be7f193fd1a068ce37e16af11abea337c593a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0e3da0f2cc32a987bd6d8593be7f193fd1a068ce37e16af11abea337c593a5", kill_on_drop: false }`
[INFO] [stdout] 2c0e3da0f2cc32a987bd6d8593be7f193fd1a068ce37e16af11abea337c593a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 320ed30c65841e92e05078ea7e3ef33f17b0a6d57c44c9781d8ace5d7714e89f
[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" "320ed30c65841e92e05078ea7e3ef33f17b0a6d57c44c9781d8ace5d7714e89f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.41
[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/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `needless_range_loop`
[INFO] [stdout]   --> src/mmu.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[allow(needless_range_loop, unknown_lints)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `needless_range_loop`
[INFO] [stdout]   --> src/mmu.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     #[allow(needless_range_loop, unknown_lints)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/chip_8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super_chip`
[INFO] [stdout]  --> src/interpreter.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super_chip;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |     runtime: Option<Box<Runtime>>,
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Runtime`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/chip_8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super_chip`
[INFO] [stdout]  --> src/interpreter.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super_chip;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/interpreter.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |     runtime: Option<Box<Runtime>>,
[INFO] [stdout]     |                         ^^^^^^^ help: use `dyn`: `dyn Runtime`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip_8x.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip_8x.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/chip_8x.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let color = c.v[y as usize] & 0b1111;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horz`
[INFO] [stdout]    --> src/chip_8x.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let horz = (vx & 0b1111) as usize;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_horz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vert`
[INFO] [stdout]    --> src/chip_8x.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let vert = (vx1 & 0b1111) as usize;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_vert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/chip_8x.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let width = (vx >> 4) + 1;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/chip_8x.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 let height = (vx1 >> 4) + 1;
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip_8x.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (0xB, x, y, n) => {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip_8x.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (0xB, x, y, n) => {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/chip_8x.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (0xB, x, y, n) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/super_chip.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |             (0x0, 0x0, 0xC, n) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/interpreter.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn configure(&mut self, c: &mut Context) {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/interpreter.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn reset(&mut self, c: &mut Context) {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip_8x.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip_8x.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |             (0x5, x, y, 0x1) => {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/chip_8x.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let color = c.v[y as usize] & 0b1111;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horz`
[INFO] [stdout]    --> src/chip_8x.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let horz = (vx & 0b1111) as usize;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_horz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vert`
[INFO] [stdout]    --> src/chip_8x.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let vert = (vx1 & 0b1111) as usize;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_vert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/chip_8x.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let width = (vx >> 4) + 1;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/chip_8x.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 let height = (vx1 >> 4) + 1;
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip_8x.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (0xB, x, y, n) => {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip_8x.rs:131:22
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (0xB, x, y, n) => {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/chip_8x.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |             (0xB, x, y, n) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/super_chip.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |             (0x0, 0x0, 0xC, n) => {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/interpreter.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn configure(&mut self, c: &mut Context) {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/interpreter.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn reset(&mut self, c: &mut Context) {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Chip8`
[INFO] [stdout]   --> src/interpreter.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Chip8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HiResChip8`
[INFO] [stdout]   --> src/interpreter.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     HiResChip8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SuperChip`
[INFO] [stdout]   --> src/interpreter.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SuperChip,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Chip8`
[INFO] [stdout]   --> src/interpreter.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Chip8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HiResChip8`
[INFO] [stdout]   --> src/interpreter.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     HiResChip8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SuperChip`
[INFO] [stdout]   --> src/interpreter.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SuperChip,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.97s
[INFO] running `Command { std: "docker" "inspect" "320ed30c65841e92e05078ea7e3ef33f17b0a6d57c44c9781d8ace5d7714e89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320ed30c65841e92e05078ea7e3ef33f17b0a6d57c44c9781d8ace5d7714e89f", kill_on_drop: false }`
[INFO] [stdout] 320ed30c65841e92e05078ea7e3ef33f17b0a6d57c44c9781d8ace5d7714e89f