[INFO] cloning repository https://github.com/tindleaj/tiny-chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tindleaj/tiny-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindleaj%2Ftiny-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindleaj%2Ftiny-chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9d51decda4de1617450c77e03efaa05180beadd
[INFO] testing tindleaj/tiny-chip8 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftindleaj%2Ftiny-chip8" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tindleaj/tiny-chip8 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tindleaj/tiny-chip8
[INFO] finished tweaking git repo https://github.com/tindleaj/tiny-chip8
[INFO] tweaked toml for git repo https://github.com/tindleaj/tiny-chip8 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/tindleaj/tiny-chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a54d98ccab8d714f17f36e8e2638a215af519ce382c6c0cf0020b3484f983e95
[INFO] running `Command { std: "docker" "start" "-a" "a54d98ccab8d714f17f36e8e2638a215af519ce382c6c0cf0020b3484f983e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a54d98ccab8d714f17f36e8e2638a215af519ce382c6c0cf0020b3484f983e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54d98ccab8d714f17f36e8e2638a215af519ce382c6c0cf0020b3484f983e95", kill_on_drop: false }`
[INFO] [stdout] a54d98ccab8d714f17f36e8e2638a215af519ce382c6c0cf0020b3484f983e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74b18f6ad058277b345c15157b700b45962c8e23cf74f5ab361538d81c7a30a2
[INFO] running `Command { std: "docker" "start" "-a" "74b18f6ad058277b345c15157b700b45962c8e23cf74f5ab361538d81c7a30a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:335:23
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[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: `nn`
[INFO] [stdout]    --> src/lib.rs:335:33
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_ex9e(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn op_exa1(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:372:23
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn op_fx07(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:377:23
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_fx0a(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:382:23
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn op_fx15(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:387:23
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn op_fx18(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:392:23
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn op_fx1e(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:397:23
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn op_fx29(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `line` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut line = 0;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_line` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         line += 1;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "74b18f6ad058277b345c15157b700b45962c8e23cf74f5ab361538d81c7a30a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b18f6ad058277b345c15157b700b45962c8e23cf74f5ab361538d81c7a30a2", kill_on_drop: false }`
[INFO] [stdout] 74b18f6ad058277b345c15157b700b45962c8e23cf74f5ab361538d81c7a30a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa04554d7673294b29f033e650cbb2436ee8babdd0787fca5867a0936d213e44
[INFO] running `Command { std: "docker" "start" "-a" "fa04554d7673294b29f033e650cbb2436ee8babdd0787fca5867a0936d213e44", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:335:23
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[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: `nn`
[INFO] [stdout]    --> src/lib.rs:335:33
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_ex9e(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiny-chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn op_exa1(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:372:23
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn op_fx07(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:377:23
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_fx0a(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:382:23
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn op_fx15(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:387:23
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn op_fx18(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:392:23
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn op_fx1e(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:397:23
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn op_fx29(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `line` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut line = 0;
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_line` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         line += 1;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:335:23
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[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: `nn`
[INFO] [stdout]    --> src/lib.rs:335:33
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn op_ex9e(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn op_exa1(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:372:23
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn op_fx07(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:377:23
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn op_fx0a(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:382:23
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn op_fx15(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:387:23
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn op_fx18(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:392:23
[INFO] [stdout]     |
[INFO] [stdout] 392 |     fn op_fx1e(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:397:23
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn op_fx29(&self, x: usize) -> Pc {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "fa04554d7673294b29f033e650cbb2436ee8babdd0787fca5867a0936d213e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa04554d7673294b29f033e650cbb2436ee8babdd0787fca5867a0936d213e44", kill_on_drop: false }`
[INFO] [stdout] fa04554d7673294b29f033e650cbb2436ee8babdd0787fca5867a0936d213e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 094f95c9f32b2547ffebf44f99ed5a0399bc0e09fa1c3d7dcfe5ba4c484c4109
[INFO] running `Command { std: "docker" "start" "-a" "094f95c9f32b2547ffebf44f99ed5a0399bc0e09fa1c3d7dcfe5ba4c484c4109", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stdout] running 31 tests
[INFO] [stderr]    --> src/lib.rs:335:23
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nn`
[INFO] [stderr]    --> src/lib.rs:335:33
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn op_cxnn(&self, x: usize, nn: u8) -> Pc {
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_nn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:362:23
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn op_ex9e(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:367:23
[INFO] [stderr]     |
[INFO] [stderr] 367 |     fn op_exa1(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:372:23
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn op_fx07(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:377:23
[INFO] [stderr]     |
[INFO] [stderr] 377 |     fn op_fx0a(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:382:23
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn op_fx15(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:387:23
[INFO] [stderr]     |
[INFO] [stderr] 387 |     fn op_fx18(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:392:23
[INFO] [stderr]     |
[INFO] [stderr] 392 |     fn op_fx1e(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:397:23
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn op_fx29(&self, x: usize) -> Pc {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-chip8` (lib) generated 10 warnings
[INFO] [stderr] warning: `tiny-chip8` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `line` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut line = 0;
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_line` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `line` is never read
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         line += 1;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-chip8` (bin "tiny_chip8" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_chip8-a0e2d8f5dbed5faf)
[INFO] [stdout] test tests::test_op_00ee ... ok
[INFO] [stdout] test tests::test_first_512_off_limits ... ok
[INFO] [stdout] test tests::test_load_rom ... ok
[INFO] [stdout] test tests::test_op_8xy4_carry ... ok
[INFO] [stdout] test tests::test_op_8xy4 ... ok
[INFO] [stdout] test tests::test_op_8xy5_borrow ... ok
[INFO] [stdout] test tests::test_op_8xy6 ... ok
[INFO] [stdout] test tests::test_op_8xye ... ok
[INFO] [stdout] test tests::test_op_annn ... ok
[INFO] [stdout] test tests::test_op_dxyn ... ok
[INFO] [stdout] test tests::test_op_9xy0 ... ok
[INFO] [stdout] test tests::test_op_5xy0 ... ok
[INFO] [stdout] test tests::test_op_1nnn ... ok
[INFO] [stdout] test tests::test_op_7xnn ... ok
[INFO] [stdout] test tests::test_op_8xy0 ... ok
[INFO] [stdout] test tests::test_op_8xy1 ... ok
[INFO] [stdout] test tests::test_op_8xy7 ... ok
[INFO] [stdout] test tests::test_op_bnnn ... ok
[INFO] [stdout] test tests::test_op_6xnn ... ok
[INFO] [stdout] test tests::test_op_dxyn_x_wrap ... ok
[INFO] [stdout] test tests::test_op_2nnn ... ok
[INFO] [stdout] test tests::test_op_3xnn ... ok
[INFO] [stdout] test tests::test_op_8xy3 ... ok
[INFO] [stdout] test tests::test_op_4xnn ... ok
[INFO] [stdout] test tests::test_op_8xy2 ... ok
[INFO] [stdout] test tests::test_op_8xy5 ... ok
[INFO] [stdout] test tests::test_op_dxyn_y_wrap ... ok
[INFO] [stdout] test tests::test_op_fx33 ... ok
[INFO] [stdout] test tests::test_op_fx55 ... ok
[INFO] [stdout] test tests::test_to_nybbles ... ok
[INFO] [stdout] test tests::test_op_fx65 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_chip8-4275b300a6148e42)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny_chip8
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "094f95c9f32b2547ffebf44f99ed5a0399bc0e09fa1c3d7dcfe5ba4c484c4109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094f95c9f32b2547ffebf44f99ed5a0399bc0e09fa1c3d7dcfe5ba4c484c4109", kill_on_drop: false }`
[INFO] [stdout] 094f95c9f32b2547ffebf44f99ed5a0399bc0e09fa1c3d7dcfe5ba4c484c4109