[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 master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyalikes%2Frriscvm" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yalikes/rriscvm on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc1/source/Cargo.toml
[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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "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
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking yalikes/rriscvm against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[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] validating manifest of git repo https://github.com/yalikes/rriscvm on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de5d88794a7c09d48b7e701df9660c8a662cec0c3220d224c057d1e13a9d7447
[INFO] running `Command { std: "docker" "start" "-a" "de5d88794a7c09d48b7e701df9660c8a662cec0c3220d224c057d1e13a9d7447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5d88794a7c09d48b7e701df9660c8a662cec0c3220d224c057d1e13a9d7447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5d88794a7c09d48b7e701df9660c8a662cec0c3220d224c057d1e13a9d7447", kill_on_drop: false }`
[INFO] [stdout] de5d88794a7c09d48b7e701df9660c8a662cec0c3220d224c057d1e13a9d7447
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a64151153163c306fbdea0ac19994edcc4dd5e0ad15bfbe350659728ff9e86
[INFO] running `Command { std: "docker" "start" "-a" "86a64151153163c306fbdea0ac19994edcc4dd5e0ad15bfbe350659728ff9e86", kill_on_drop: false }`
[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: 6 warnings emitted
[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: 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: 6 warnings emitted
[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: 1 warning emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "86a64151153163c306fbdea0ac19994edcc4dd5e0ad15bfbe350659728ff9e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a64151153163c306fbdea0ac19994edcc4dd5e0ad15bfbe350659728ff9e86", kill_on_drop: false }`
[INFO] [stdout] 86a64151153163c306fbdea0ac19994edcc4dd5e0ad15bfbe350659728ff9e86