[INFO] cloning repository https://github.com/osorosia/rust-gb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osorosia/rust-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosorosia%2Frust-gb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosorosia%2Frust-gb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 031aac64c991db19bf659c801f444584dbc2273a
[INFO] building osorosia/rust-gb 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%2Fosorosia%2Frust-gb" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osorosia/rust-gb 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/osorosia/rust-gb
[INFO] finished tweaking git repo https://github.com/osorosia/rust-gb
[INFO] tweaked toml for git repo https://github.com/osorosia/rust-gb written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/osorosia/rust-gb 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc696c6c9cda653fe42eeca21cc5ac6e99d18e7ded9793bb369c0af0c335d789
[INFO] running `Command { std: "docker" "start" "-a" "bc696c6c9cda653fe42eeca21cc5ac6e99d18e7ded9793bb369c0af0c335d789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc696c6c9cda653fe42eeca21cc5ac6e99d18e7ded9793bb369c0af0c335d789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc696c6c9cda653fe42eeca21cc5ac6e99d18e7ded9793bb369c0af0c335d789", kill_on_drop: false }`
[INFO] [stdout] bc696c6c9cda653fe42eeca21cc5ac6e99d18e7ded9793bb369c0af0c335d789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bb66570e46dee2ab0b997960477ea7c92f487c6381252ae31f74505b20d9ba2d
[INFO] running `Command { std: "docker" "start" "-a" "bb66570e46dee2ab0b997960477ea7c92f487c6381252ae31f74505b20d9ba2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling rust-gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:369:39
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn op_misc(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:375:44
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn op_rot_shift(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:381:38
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn op_bit(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:387:39
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn op_jump(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:393:39
[INFO] [stdout]     |
[INFO] [stdout] 393 |     fn op_call(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:399:41
[INFO] [stdout]     |
[INFO] [stdout] 399 |     fn op_return(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_u8` is never used
[INFO] [stdout]   --> src/cpu.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub(crate) fn write_u8(&mut self, addr: u16, byte: u8) {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cycles` is never read
[INFO] [stdout]   --> src/cpu/opcode.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Opcode {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub cycles: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "bb66570e46dee2ab0b997960477ea7c92f487c6381252ae31f74505b20d9ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb66570e46dee2ab0b997960477ea7c92f487c6381252ae31f74505b20d9ba2d", kill_on_drop: false }`
[INFO] [stdout] bb66570e46dee2ab0b997960477ea7c92f487c6381252ae31f74505b20d9ba2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dd8d74330b7950d16bf061fdf3a3d6bba499dddf3e4fd818722b403bca452d35
[INFO] running `Command { std: "docker" "start" "-a" "dd8d74330b7950d16bf061fdf3a3d6bba499dddf3e4fd818722b403bca452d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:369:39
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn op_misc(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:375:44
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn op_rot_shift(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:381:38
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn op_bit(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:387:39
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn op_jump(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:393:39
[INFO] [stdout]     |
[INFO] [stdout] 393 |     fn op_call(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/cpu/opcode.rs:399:41
[INFO] [stdout]     |
[INFO] [stdout] 399 |     fn op_return(&mut self, opcode: u8, op: &Opcode) {
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_u8` is never used
[INFO] [stdout]   --> src/cpu.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub(crate) fn write_u8(&mut self, addr: u16, byte: u8) {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cycles` is never read
[INFO] [stdout]   --> src/cpu/opcode.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Opcode {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub cycles: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "dd8d74330b7950d16bf061fdf3a3d6bba499dddf3e4fd818722b403bca452d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8d74330b7950d16bf061fdf3a3d6bba499dddf3e4fd818722b403bca452d35", kill_on_drop: false }`
[INFO] [stdout] dd8d74330b7950d16bf061fdf3a3d6bba499dddf3e4fd818722b403bca452d35