[INFO] cloning repository https://github.com/cg711/rust_chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cg711/rust_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcg711%2Frust_chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcg711%2Frust_chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a18f496aea76fc81532b1eb107c07593562a2b9c
[INFO] building cg711/rust_chip8 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcg711%2Frust_chip8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cg711/rust_chip8 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cg711/rust_chip8
[INFO] finished tweaking git repo https://github.com/cg711/rust_chip8
[INFO] tweaked toml for git repo https://github.com/cg711/rust_chip8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cg711/rust_chip8 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 348d66d3fcb4cbb56fd3163fa044977e6b56b0131e298b521d5ac70d3975731c
[INFO] running `Command { std: "docker" "start" "-a" "348d66d3fcb4cbb56fd3163fa044977e6b56b0131e298b521d5ac70d3975731c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "348d66d3fcb4cbb56fd3163fa044977e6b56b0131e298b521d5ac70d3975731c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348d66d3fcb4cbb56fd3163fa044977e6b56b0131e298b521d5ac70d3975731c", kill_on_drop: false }`
[INFO] [stdout] 348d66d3fcb4cbb56fd3163fa044977e6b56b0131e298b521d5ac70d3975731c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e4957fe2697f982cf2b50812f10acfe678eb7054d9948e7b904c78d24ae9ba
[INFO] running `Command { std: "docker" "start" "-a" "b0e4957fe2697f982cf2b50812f10acfe678eb7054d9948e7b904c78d24ae9ba", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling desktop v0.1.0 (/opt/rustwide/workdir/desktop)
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chip8_core v0.1.0 (/opt/rustwide/workdir/chip8_core)
[INFO] [stdout] warning: variable `D3` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let D3 = (inst & 0xF000) >> 12;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d3`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D2` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let D2 = (inst & 0x0F00) >> 8;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D1` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let D1 = (inst & 0x00F0) >> 4;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D0` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let D0 = inst & 0x000F;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "b0e4957fe2697f982cf2b50812f10acfe678eb7054d9948e7b904c78d24ae9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e4957fe2697f982cf2b50812f10acfe678eb7054d9948e7b904c78d24ae9ba", kill_on_drop: false }`
[INFO] [stdout] b0e4957fe2697f982cf2b50812f10acfe678eb7054d9948e7b904c78d24ae9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6849cbf262a92fe256a80f90f14ae1753c282d8a13772b75022be4bbeff33f
[INFO] running `Command { std: "docker" "start" "-a" "8e6849cbf262a92fe256a80f90f14ae1753c282d8a13772b75022be4bbeff33f", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: variable `D3` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let D3 = (inst & 0xF000) >> 12;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d3`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D2` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let D2 = (inst & 0x0F00) >> 8;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D1` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let D1 = (inst & 0x00F0) >> 4;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chip8_core v0.1.0 (/opt/rustwide/workdir/chip8_core)
[INFO] [stdout] warning: variable `D0` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let D0 = inst & 0x000F;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling desktop v0.1.0 (/opt/rustwide/workdir/desktop)
[INFO] [stdout] warning: variable `D3` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let D3 = (inst & 0xF000) >> 12;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d3`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D2` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let D2 = (inst & 0x0F00) >> 8;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D1` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let D1 = (inst & 0x00F0) >> 4;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D0` should have a snake case name
[INFO] [stdout]    --> chip8_core/src/lib.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let D0 = inst & 0x000F;
[INFO] [stdout]     |             ^^ help: convert the identifier to snake case: `d0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "8e6849cbf262a92fe256a80f90f14ae1753c282d8a13772b75022be4bbeff33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6849cbf262a92fe256a80f90f14ae1753c282d8a13772b75022be4bbeff33f", kill_on_drop: false }`
[INFO] [stdout] 8e6849cbf262a92fe256a80f90f14ae1753c282d8a13772b75022be4bbeff33f