[INFO] cloning repository https://github.com/naari3/naanes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naari3/naanes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Fnaanes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Fnaanes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e871140cccfaeacafd4a6d1bda3fbd2a88fbcfa8
[INFO] checking naari3/naanes against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Fnaanes" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naari3/naanes on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naari3/naanes
[INFO] finished tweaking git repo https://github.com/naari3/naanes
[INFO] tweaked toml for git repo https://github.com/naari3/naanes written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/naari3/naanes 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/naari3/emu6502`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f3f0154bb083f02f4610d68ad0ae20cc6f8d6953f0479aebcbc20cd5bf6486
[INFO] running `Command { std: "docker" "start" "-a" "79f3f0154bb083f02f4610d68ad0ae20cc6f8d6953f0479aebcbc20cd5bf6486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f3f0154bb083f02f4610d68ad0ae20cc6f8d6953f0479aebcbc20cd5bf6486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f3f0154bb083f02f4610d68ad0ae20cc6f8d6953f0479aebcbc20cd5bf6486", kill_on_drop: false }`
[INFO] [stdout] 79f3f0154bb083f02f4610d68ad0ae20cc6f8d6953f0479aebcbc20cd5bf6486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ed667151ba1d44ecffbf6ef13804190a348e26a256b696ff88c78795d844f81
[INFO] running `Command { std: "docker" "start" "-a" "1ed667151ba1d44ecffbf6ef13804190a348e26a256b696ff88c78795d844f81", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking emu6502 v0.1.0 (https://github.com/naari3/emu6502?rev=b481518#b4815180)
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]     Checking naanes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/ppu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct PPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     data: Data,              // $2007
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/ppu.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | struct Data {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 718 |     addr: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/ppu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct PPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     data: Data,              // $2007
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/ppu.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | struct Data {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 718 |     addr: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/ppu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct PPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     data: Data,              // $2007
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/ppu.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | struct Data {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 718 |     addr: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/ppu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct PPU {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     data: Data,              // $2007
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PPU` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/ppu.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 717 | struct Data {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 718 |     addr: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "1ed667151ba1d44ecffbf6ef13804190a348e26a256b696ff88c78795d844f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed667151ba1d44ecffbf6ef13804190a348e26a256b696ff88c78795d844f81", kill_on_drop: false }`
[INFO] [stdout] 1ed667151ba1d44ecffbf6ef13804190a348e26a256b696ff88c78795d844f81