[INFO] cloning repository https://github.com/Yey007/mc-computer-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yey007/mc-computer-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYey007%2Fmc-computer-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYey007%2Fmc-computer-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 233ae3e30733e6621596ce3489e3a1bc60de1ead
[INFO] testing Yey007/mc-computer-emulator against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYey007%2Fmc-computer-emulator" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yey007/mc-computer-emulator on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yey007/mc-computer-emulator
[INFO] finished tweaking git repo https://github.com/Yey007/mc-computer-emulator
[INFO] tweaked toml for git repo https://github.com/Yey007/mc-computer-emulator written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/Yey007/mc-computer-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boolean_expression v0.3.11
[INFO] [stderr]   Downloaded bitmatch v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b54948032b75fb9ab038c1290ce0c82f66b6c5fdf8e0be43ae65d44e035f3ba
[INFO] running `Command { std: "docker" "start" "-a" "9b54948032b75fb9ab038c1290ce0c82f66b6c5fdf8e0be43ae65d44e035f3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b54948032b75fb9ab038c1290ce0c82f66b6c5fdf8e0be43ae65d44e035f3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b54948032b75fb9ab038c1290ce0c82f66b6c5fdf8e0be43ae65d44e035f3ba", kill_on_drop: false }`
[INFO] [stdout] 9b54948032b75fb9ab038c1290ce0c82f66b6c5fdf8e0be43ae65d44e035f3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495a42286cd136e4f5d193421262ebd7325fe08f3c769bf50041bc8d4a572890
[INFO] running `Command { std: "docker" "start" "-a" "495a42286cd136e4f5d193421262ebd7325fe08f3c769bf50041bc8d4a572890", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling ux v0.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling boolean_expression v0.3.11
[INFO] [stderr]    Compiling bitmatch v0.1.1
[INFO] [stderr]    Compiling mc-comp-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `self` is never read
[INFO] [stdout]  --> src/ux_extensions/implementation.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         self = self + u4::new(1)
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self` is never read
[INFO] [stdout]   --> src/ux_extensions/implementation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         self = self - u4::new(1)
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self` is never read
[INFO] [stdout]   --> src/ux_extensions/implementation.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self = self + u6::new(1)
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self` is never read
[INFO] [stdout]   --> src/ux_extensions/implementation.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         self = self - u6::new(1)
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `computer` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let computer = Computer::with_program(program);
[INFO] [stdout]    |         -------- help: consider changing this to be mutable: `mut computer`
[INFO] [stdout] 21 |     computer.run()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mc-comp-emulator` due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "495a42286cd136e4f5d193421262ebd7325fe08f3c769bf50041bc8d4a572890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495a42286cd136e4f5d193421262ebd7325fe08f3c769bf50041bc8d4a572890", kill_on_drop: false }`
[INFO] [stdout] 495a42286cd136e4f5d193421262ebd7325fe08f3c769bf50041bc8d4a572890