[INFO] cloning repository https://github.com/ngynkvn/rust-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngynkvn/rust-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 895ad2eb167f9a170ba4f8a9e039b672523d7417
[INFO] checking ngynkvn/rust-emu against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Frust-emu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngynkvn/rust-emu on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngynkvn/rust-emu
[INFO] finished tweaking git repo https://github.com/ngynkvn/rust-emu
[INFO] tweaked toml for git repo https://github.com/ngynkvn/rust-emu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ngynkvn/rust-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d7a6806b6368b5b040f33388be306391edf7c51c32b9641cf843ced9ade736b
[INFO] running `Command { std: "docker" "start" "-a" "6d7a6806b6368b5b040f33388be306391edf7c51c32b9641cf843ced9ade736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d7a6806b6368b5b040f33388be306391edf7c51c32b9641cf843ced9ade736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7a6806b6368b5b040f33388be306391edf7c51c32b9641cf843ced9ade736b", kill_on_drop: false }`
[INFO] [stdout] 6d7a6806b6368b5b040f33388be306391edf7c51c32b9641cf843ced9ade736b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c8b4b51dd026f3dec15e40419ad278bf7d968a0655d4b479233273e6fec3f4f
[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" "2c8b4b51dd026f3dec15e40419ad278bf7d968a0655d4b479233273e6fec3f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking rust-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cpu::GB_CYCLE_SPEED`
[INFO] [stdout]   --> src/bus.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use cpu::GB_CYCLE_SPEED;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Memory`
[INFO] [stdout]  --> src/cpu/value.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bus::{Bus, Memory},
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bus::Memory`
[INFO] [stdout]  --> src/cpu/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bus::Memory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `JP_HL` should have an upper camel case name
[INFO] [stdout]    --> src/instructions.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     JP_HL,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `JpHl`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::GB_CYCLE_SPEED`
[INFO] [stdout]   --> src/bus.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use cpu::GB_CYCLE_SPEED;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Memory`
[INFO] [stdout]  --> src/cpu/value.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bus::{Bus, Memory},
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bus::Memory`
[INFO] [stdout]  --> src/cpu/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bus::Memory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `JP_HL` should have an upper camel case name
[INFO] [stdout]    --> src/instructions.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     JP_HL,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `JpHl`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu/value.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn to_memory_address(self, cpu: &mut CPU, address: u16, b: &mut Bus) {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu/value.rs:98:32
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn to_memory_address(self, cpu: &mut CPU, address: u16, b: &mut Bus) {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu/value.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn to_memory_address(self, cpu: &mut CPU, address: u16, b: &mut Bus) {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu/value.rs:98:32
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn to_memory_address(self, cpu: &mut CPU, address: u16, b: &mut Bus) {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `above`
[INFO] [stdout]   --> src/gpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     above: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `yflip`
[INFO] [stdout]   --> src/gpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     yflip: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `xflip`
[INFO] [stdout]   --> src/gpu.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     xflip: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `time`
[INFO] [stdout]   --> src/cpu/test.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn time<F: FnOnce(&mut CPU, &mut Bus)>(cpu: &mut CPU, bus: &mut Bus, f: F) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `above`
[INFO] [stdout]   --> src/gpu.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     above: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `yflip`
[INFO] [stdout]   --> src/gpu.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     yflip: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `xflip`
[INFO] [stdout]   --> src/gpu.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     xflip: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.14s
[INFO] running `Command { std: "docker" "inspect" "2c8b4b51dd026f3dec15e40419ad278bf7d968a0655d4b479233273e6fec3f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8b4b51dd026f3dec15e40419ad278bf7d968a0655d4b479233273e6fec3f4f", kill_on_drop: false }`
[INFO] [stdout] 2c8b4b51dd026f3dec15e40419ad278bf7d968a0655d4b479233273e6fec3f4f