[INFO] cloning repository https://github.com/yalikes/rriscvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yalikes/rriscvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalikes%2Frriscvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalikes%2Frriscvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6036e9d2a3b4427fdf8b1153f3c525e6f4e8d538
[INFO] checking yalikes/rriscvm against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalikes%2Frriscvm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yalikes/rriscvm
[INFO] finished tweaking git repo https://github.com/yalikes/rriscvm
[INFO] tweaked toml for git repo https://github.com/yalikes/rriscvm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yalikes/rriscvm on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yalikes/rriscvm 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0e6d1f043c560a1a6210e49bd549eb121fcca8ecfaeae64f3c15cc40da3105
[INFO] running `Command { std: "docker" "start" "-a" "fa0e6d1f043c560a1a6210e49bd549eb121fcca8ecfaeae64f3c15cc40da3105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0e6d1f043c560a1a6210e49bd549eb121fcca8ecfaeae64f3c15cc40da3105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0e6d1f043c560a1a6210e49bd549eb121fcca8ecfaeae64f3c15cc40da3105", kill_on_drop: false }`
[INFO] [stdout] fa0e6d1f043c560a1a6210e49bd549eb121fcca8ecfaeae64f3c15cc40da3105
[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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a18c15af32bfced463961afae65f7c9329f9033dcf03ab31833e984c7b10995d
[INFO] running `Command { std: "docker" "start" "-a" "a18c15af32bfced463961afae65f7c9329f9033dcf03ab31833e984c7b10995d", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rriscvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/riscv_vm.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let rd = inst.rd;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction.rs:386:30
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn identify_inst_with_op_imm(instruction: u32) -> InstructionTypes {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOAD_FP` is never used
[INFO] [stdout]  --> src/instruction.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const LOAD_FP: u8 = 0b00_001_11;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CUSTOM_0` is never used
[INFO] [stdout]  --> src/instruction.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CUSTOM_0: u8 = 0b00_010_11;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MISC_MEM` is never used
[INFO] [stdout]  --> src/instruction.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const MISC_MEM: u8 = 0b00_011_11;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_IMM_32` is never used
[INFO] [stdout]  --> src/instruction.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const OP_IMM_32: u8 = 0b00_110_11;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/riscv_vm.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let rd = inst.rd;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction.rs:386:30
[INFO] [stdout]     |
[INFO] [stdout] 386 | fn identify_inst_with_op_imm(instruction: u32) -> InstructionTypes {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn initial(vm: &mut RiscvVirtualMachine){
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOAD_FP` is never used
[INFO] [stdout]  --> src/instruction.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const LOAD_FP: u8 = 0b00_001_11;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CUSTOM_0` is never used
[INFO] [stdout]  --> src/instruction.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CUSTOM_0: u8 = 0b00_010_11;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MISC_MEM` is never used
[INFO] [stdout]  --> src/instruction.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const MISC_MEM: u8 = 0b00_011_11;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_IMM_32` is never used
[INFO] [stdout]  --> src/instruction.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const OP_IMM_32: u8 = 0b00_110_11;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn initial(vm: &mut RiscvVirtualMachine){
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "a18c15af32bfced463961afae65f7c9329f9033dcf03ab31833e984c7b10995d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18c15af32bfced463961afae65f7c9329f9033dcf03ab31833e984c7b10995d", kill_on_drop: false }`
[INFO] [stdout] a18c15af32bfced463961afae65f7c9329f9033dcf03ab31833e984c7b10995d