[INFO] cloning repository https://github.com/trindadegm/emu6502
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trindadegm/emu6502" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrindadegm%2Femu6502", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrindadegm%2Femu6502'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e6593a5861c19499b7b421571c00b7a818ff786
[INFO] checking trindadegm/emu6502 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrindadegm%2Femu6502" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trindadegm/emu6502 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/trindadegm/emu6502
[INFO] finished tweaking git repo https://github.com/trindadegm/emu6502
[INFO] tweaked toml for git repo https://github.com/trindadegm/emu6502 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/trindadegm/emu6502 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 347270f20c3eab2f215f6105863b8b2ede640a87e8bf1edc41a6d76195186893
[INFO] running `Command { std: "docker" "start" "-a" "347270f20c3eab2f215f6105863b8b2ede640a87e8bf1edc41a6d76195186893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "347270f20c3eab2f215f6105863b8b2ede640a87e8bf1edc41a6d76195186893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347270f20c3eab2f215f6105863b8b2ede640a87e8bf1edc41a6d76195186893", kill_on_drop: false }`
[INFO] [stdout] 347270f20c3eab2f215f6105863b8b2ede640a87e8bf1edc41a6d76195186893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7717fd0bc1a028252bf99a5d4fdeb8db736c4896e3f3827f59d047427507be8d
[INFO] running `Command { std: "docker" "start" "-a" "7717fd0bc1a028252bf99a5d4fdeb8db736c4896e3f3827f59d047427507be8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking emu6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `EmuResult` is imported redundantly
[INFO] [stdout]   --> src/assembler.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::EmuResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::error::*;
[INFO] [stdout] 19 | use crate::code::*;
[INFO] [stdout]    |     -------------- the item `EmuResult` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::*`
[INFO] [stdout]   --> src/emulator.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{EmuResult, error::*};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EmuResult` is imported redundantly
[INFO] [stdout]   --> src/emulator.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{EmuResult, error::*};
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 18 | use crate::code::*;
[INFO] [stdout]    |     -------------- the item `EmuResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EmuResult` is imported redundantly
[INFO] [stdout]   --> src/assembler.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::EmuResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::error::*;
[INFO] [stdout] 19 | use crate::code::*;
[INFO] [stdout]    |     -------------- the item `EmuResult` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::*`
[INFO] [stdout]   --> src/emulator.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{EmuResult, error::*};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EmuResult` is imported redundantly
[INFO] [stdout]   --> src/emulator.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{EmuResult, error::*};
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 18 | use crate::code::*;
[INFO] [stdout]    |     -------------- the item `EmuResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack_pointer` is never read
[INFO] [stdout]   --> src/emulator.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Emulator {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     stack_pointer: u8,     // The stack pointer points to wherever the stack is at
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack_pointer` is never read
[INFO] [stdout]   --> src/emulator.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Emulator {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     stack_pointer: u8,     // The stack pointer points to wherever the stack is at
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "7717fd0bc1a028252bf99a5d4fdeb8db736c4896e3f3827f59d047427507be8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7717fd0bc1a028252bf99a5d4fdeb8db736c4896e3f3827f59d047427507be8d", kill_on_drop: false }`
[INFO] [stdout] 7717fd0bc1a028252bf99a5d4fdeb8db736c4896e3f3827f59d047427507be8d