[INFO] cloning repository https://github.com/grigoryk/toy8080
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grigoryk/toy8080" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a304ce88d9bc97a3f5ff93908784dc73ac4f2c9a
[INFO] checking grigoryk/toy8080 against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grigoryk/toy8080 on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grigoryk/toy8080
[INFO] finished tweaking git repo https://github.com/grigoryk/toy8080
[INFO] tweaked toml for git repo https://github.com/grigoryk/toy8080 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/grigoryk/toy8080 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0138a199853c0f0c88ea0b86050a584dbf6b221d254e98beebd2895731a9a32c
[INFO] running `Command { std: "docker" "start" "-a" "0138a199853c0f0c88ea0b86050a584dbf6b221d254e98beebd2895731a9a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0138a199853c0f0c88ea0b86050a584dbf6b221d254e98beebd2895731a9a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0138a199853c0f0c88ea0b86050a584dbf6b221d254e98beebd2895731a9a32c", kill_on_drop: false }`
[INFO] [stdout] 0138a199853c0f0c88ea0b86050a584dbf6b221d254e98beebd2895731a9a32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7798893a1b9df8b661ecdf8b61607fdd902da98d9fb591aa1e06d9f27f1a21a1
[INFO] running `Command { std: "docker" "start" "-a" "7798893a1b9df8b661ecdf8b61607fdd902da98d9fb591aa1e06d9f27f1a21a1", kill_on_drop: false }`
[INFO] [stderr]     Checking toy8080 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Register` is never used
[INFO] [stdout]  --> src/state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Register {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Register` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s`, `z`, `p`, `c`, and `ac` are never read
[INFO] [stdout]   --> src/state.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Flags {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 12 |     pub s: bool, // sign
[INFO] [stdout]    |         ^
[INFO] [stdout] 13 |     pub z: bool, // zero
[INFO] [stdout]    |         ^
[INFO] [stdout] 14 |     pub p: bool, // parity
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub c: bool, // carry
[INFO] [stdout]    |         ^
[INFO] [stdout] 16 |     pub ac: bool // aux carry
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]   --> src/state.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Registers {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub a: u8, // accumulator
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/state.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub flags: Flags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Push(RegisterPair),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Push(RegisterPair),
[INFO] [stdout] 30 +     Push(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Di` and `Unused` are never constructed
[INFO] [stdout]   --> src/instructions.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Cmd {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 98 |     Di, // special
[INFO] [stdout]    |     ^^
[INFO] [stdout] 99 |     Unused, // ???
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Register` is never used
[INFO] [stdout]  --> src/state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Register {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Register` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s`, `z`, `p`, `c`, and `ac` are never read
[INFO] [stdout]   --> src/state.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Flags {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 12 |     pub s: bool, // sign
[INFO] [stdout]    |         ^
[INFO] [stdout] 13 |     pub z: bool, // zero
[INFO] [stdout]    |         ^
[INFO] [stdout] 14 |     pub p: bool, // parity
[INFO] [stdout]    |         ^
[INFO] [stdout] 15 |     pub c: bool, // carry
[INFO] [stdout]    |         ^
[INFO] [stdout] 16 |     pub ac: bool // aux carry
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]   --> src/state.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Registers {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub a: u8, // accumulator
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/state.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub flags: Flags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instructions.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Push(RegisterPair),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 30 -     Push(RegisterPair),
[INFO] [stdout] 30 +     Push(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Di` and `Unused` are never constructed
[INFO] [stdout]   --> src/instructions.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Cmd {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 98 |     Di, // special
[INFO] [stdout]    |     ^^
[INFO] [stdout] 99 |     Unused, // ???
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7798893a1b9df8b661ecdf8b61607fdd902da98d9fb591aa1e06d9f27f1a21a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7798893a1b9df8b661ecdf8b61607fdd902da98d9fb591aa1e06d9f27f1a21a1", kill_on_drop: false }`
[INFO] [stdout] 7798893a1b9df8b661ecdf8b61607fdd902da98d9fb591aa1e06d9f27f1a21a1
