[INFO] cloning repository https://github.com/stianeklund/z80-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stianeklund/z80-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 563f6195c3d2c6e13cdb27e4a9121f8887e1b63d
[INFO] checking stianeklund/z80-rs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2Fz80-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/z80-rs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stianeklund/z80-rs
[INFO] finished tweaking git repo https://github.com/stianeklund/z80-rs
[INFO] tweaked toml for git repo https://github.com/stianeklund/z80-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/stianeklund/z80-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b443875b0b35019f9b00c11a6bc5cfeedb15ea8e6ae3b8a30ee2cbc2ffe81fc
[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" "8b443875b0b35019f9b00c11a6bc5cfeedb15ea8e6ae3b8a30ee2cbc2ffe81fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b443875b0b35019f9b00c11a6bc5cfeedb15ea8e6ae3b8a30ee2cbc2ffe81fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b443875b0b35019f9b00c11a6bc5cfeedb15ea8e6ae3b8a30ee2cbc2ffe81fc", kill_on_drop: false }`
[INFO] [stdout] 8b443875b0b35019f9b00c11a6bc5cfeedb15ea8e6ae3b8a30ee2cbc2ffe81fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f87d6c1bb2b1917392aaf4181501e778bc90a690e725922d79676e390516788
[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" "0f87d6c1bb2b1917392aaf4181501e778bc90a690e725922d79676e390516788", kill_on_drop: false }`
[INFO] [stderr]     Checking z80-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cpu`, `Registers`
[INFO] [stdout]  --> src/memory.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::{Cpu, Registers};
[INFO] [stdout]   |                  ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IXH`
[INFO] [stdout]  --> src/cpu_tests.rs:4:61
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::instruction_info::Register::{BC, DE, HL, IX, IXH, IY, R, SP};
[INFO] [stdout]   |                                                             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cpu`, `Registers`
[INFO] [stdout]  --> src/memory.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::{Cpu, Registers};
[INFO] [stdout]   |                  ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]    --> src/cpu.rs:967:13
[INFO] [stdout]     |
[INFO] [stdout] 967 |         let overflow = (self.reg.a as i8).overflowing_sub(value as i8).1;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]     --> src/cpu.rs:1610:13
[INFO] [stdout]      |
[INFO] [stdout] 1610 |         let overflow = (self.reg.a as i8).overflowing_sub(value as i8).1;
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]     --> src/cpu.rs:1663:13
[INFO] [stdout]      |
[INFO] [stdout] 1663 |         let overflow = (self.reg.a as i8).overflowing_sub(value as i8).1;
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]     --> src/cpu.rs:1924:13
[INFO] [stdout]      |
[INFO] [stdout] 1924 |         let overflow = 0_i8.overflowing_sub(value as i8).1;
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]    --> src/cpu.rs:967:13
[INFO] [stdout]     |
[INFO] [stdout] 967 |         let overflow = (self.reg.a as i8).overflowing_sub(value as i8).1;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]     --> src/cpu.rs:1610:13
[INFO] [stdout]      |
[INFO] [stdout] 1610 |         let overflow = (self.reg.a as i8).overflowing_sub(value as i8).1;
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]     --> src/cpu.rs:1663:13
[INFO] [stdout]      |
[INFO] [stdout] 1663 |         let overflow = (self.reg.a as i8).overflowing_sub(value as i8).1;
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `overflow`
[INFO] [stdout]     --> src/cpu.rs:1924:13
[INFO] [stdout]      |
[INFO] [stdout] 1924 |         let overflow = 0_i8.overflowing_sub(value as i8).1;
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cpu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     output: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `all_tests`
[INFO] [stdout]    --> src/cpu_tests.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn all_tests() {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_decode`
[INFO] [stdout]   --> src/interconnect.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn debug_decode(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cpu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     output: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_decode`
[INFO] [stdout]   --> src/interconnect.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn debug_decode(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "0f87d6c1bb2b1917392aaf4181501e778bc90a690e725922d79676e390516788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f87d6c1bb2b1917392aaf4181501e778bc90a690e725922d79676e390516788", kill_on_drop: false }`
[INFO] [stdout] 0f87d6c1bb2b1917392aaf4181501e778bc90a690e725922d79676e390516788