[INFO] cloning repository https://github.com/jfto23/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfto23/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfto23%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfto23%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d56f21c76c13841293dc0a2499ead0764ecdc4dd
[INFO] building jfto23/chip-8 against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfto23%2Fchip-8" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfto23/chip-8 on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jfto23/chip-8
[INFO] finished tweaking git repo https://github.com/jfto23/chip-8
[INFO] tweaked toml for git repo https://github.com/jfto23/chip-8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jfto23/chip-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded xkb v0.2.1
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded raw-window-handle v0.3.3
[INFO] [stderr]   Downloaded wayland-cursor v0.27.0
[INFO] [stderr]   Downloaded xcursor v0.3.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded xkbcommon-sys v0.7.4
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded minifb v0.19.0
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded x11-dl v2.18.5
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] [stderr]   Downloaded orbclient v0.3.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7273e7076d100ff3ee2f743ec990fed3418cc816c4f9248178fda938a0cd5230
[INFO] running `Command { std: "docker" "start" "-a" "7273e7076d100ff3ee2f743ec990fed3418cc816c4f9248178fda938a0cd5230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7273e7076d100ff3ee2f743ec990fed3418cc816c4f9248178fda938a0cd5230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7273e7076d100ff3ee2f743ec990fed3418cc816c4f9248178fda938a0cd5230", kill_on_drop: false }`
[INFO] [stdout] 7273e7076d100ff3ee2f743ec990fed3418cc816c4f9248178fda938a0cd5230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c453234a19fe900556fe9db607ca9644221e0d27d4a93a4b6e11c04a00a65fa
[INFO] running `Command { std: "docker" "start" "-a" "2c453234a19fe900556fe9db607ca9644221e0d27d4a93a4b6e11c04a00a65fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling minifb v0.19.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling xkb v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling xcursor v0.3.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-commons v0.27.0
[INFO] [stderr]    Compiling wayland-cursor v0.27.0
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let a = ((opcode & 0xF000) >> 12) as usize;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.77s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2c453234a19fe900556fe9db607ca9644221e0d27d4a93a4b6e11c04a00a65fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c453234a19fe900556fe9db607ca9644221e0d27d4a93a4b6e11c04a00a65fa", kill_on_drop: false }`
[INFO] [stdout] 2c453234a19fe900556fe9db607ca9644221e0d27d4a93a4b6e11c04a00a65fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca93354b2191eb7605cc68987bcf0a7cc29c30029d26605378fcf8dfcdfc2bc
[INFO] running `Command { std: "docker" "start" "-a" "4ca93354b2191eb7605cc68987bcf0a7cc29c30029d26605378fcf8dfcdfc2bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let a = ((opcode & 0xF000) >> 12) as usize;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4ca93354b2191eb7605cc68987bcf0a7cc29c30029d26605378fcf8dfcdfc2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca93354b2191eb7605cc68987bcf0a7cc29c30029d26605378fcf8dfcdfc2bc", kill_on_drop: false }`
[INFO] [stdout] 4ca93354b2191eb7605cc68987bcf0a7cc29c30029d26605378fcf8dfcdfc2bc