[INFO] cloning repository https://github.com/pczora/nihgbe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pczora/nihgbe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Fnihgbe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Fnihgbe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd2ce9d393a53ef59711c7f7d381d2719f93af8e
[INFO] checking pczora/nihgbe against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpczora%2Fnihgbe" "/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/pczora/nihgbe on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pczora/nihgbe
[INFO] finished tweaking git repo https://github.com/pczora/nihgbe
[INFO] tweaked toml for git repo https://github.com/pczora/nihgbe written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pczora/nihgbe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0ddd3d28ec434487d4001c67622085b03a4464391f4fd6d6fa5e74bf1ae82f4
[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" "d0ddd3d28ec434487d4001c67622085b03a4464391f4fd6d6fa5e74bf1ae82f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ddd3d28ec434487d4001c67622085b03a4464391f4fd6d6fa5e74bf1ae82f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ddd3d28ec434487d4001c67622085b03a4464391f4fd6d6fa5e74bf1ae82f4", kill_on_drop: false }`
[INFO] [stdout] d0ddd3d28ec434487d4001c67622085b03a4464391f4fd6d6fa5e74bf1ae82f4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5562e599f2a2fbd7102946ac505bf14f767b123bc0a9a7796429330463aa2f39
[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" "5562e599f2a2fbd7102946ac505bf14f767b123bc0a9a7796429330463aa2f39", kill_on_drop: false }`
[INFO] [stderr]     Checking nihgbe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `HALFCARRY_FLAG`
[INFO] [stdout]  --> src/cpu.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const HALFCARRY_FLAG: u8 = 0b00100000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_register`
[INFO] [stdout]   --> src/cpu.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn init_register(high_byte: u8, low_byte: u8) -> Register {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flags`
[INFO] [stdout]    --> src/cpu.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Flags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]    --> src/cpu.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     D,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SP`
[INFO] [stdout]    --> src/cpu.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     SP,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PC`
[INFO] [stdout]    --> src/cpu.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     PC,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_af`
[INFO] [stdout]    --> src/cpu.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn set_af(&self, value: u16) -> CPU {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc`
[INFO] [stdout]    --> src/cpu.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn set_bc(&self, value: u16) -> CPU {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement_hl`
[INFO] [stdout]    --> src/cpu.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn decrement_hl(&self, value: u16) -> CPU {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_subtract`
[INFO] [stdout]    --> src/cpu.rs:605:8
[INFO] [stdout]     |
[INFO] [stdout] 605 |     fn get_subtract(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EMPTY_UNUSABLE_0_START`
[INFO] [stdout]  --> src/mem.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const EMPTY_UNUSABLE_0_START: u16 = 0xfea0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HALFCARRY_FLAG`
[INFO] [stdout]  --> src/cpu.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const HALFCARRY_FLAG: u8 = 0b00100000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Flags`
[INFO] [stdout]    --> src/cpu.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Flags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]    --> src/cpu.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     D,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SP`
[INFO] [stdout]    --> src/cpu.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     SP,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PC`
[INFO] [stdout]    --> src/cpu.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     PC,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_af`
[INFO] [stdout]    --> src/cpu.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn set_af(&self, value: u16) -> CPU {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc`
[INFO] [stdout]    --> src/cpu.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn set_bc(&self, value: u16) -> CPU {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement_hl`
[INFO] [stdout]    --> src/cpu.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn decrement_hl(&self, value: u16) -> CPU {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_subtract`
[INFO] [stdout]    --> src/cpu.rs:605:8
[INFO] [stdout]     |
[INFO] [stdout] 605 |     fn get_subtract(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EMPTY_UNUSABLE_0_START`
[INFO] [stdout]  --> src/mem.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const EMPTY_UNUSABLE_0_START: u16 = 0xfea0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "5562e599f2a2fbd7102946ac505bf14f767b123bc0a9a7796429330463aa2f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5562e599f2a2fbd7102946ac505bf14f767b123bc0a9a7796429330463aa2f39", kill_on_drop: false }`
[INFO] [stdout] 5562e599f2a2fbd7102946ac505bf14f767b123bc0a9a7796429330463aa2f39