[INFO] cloning repository https://github.com/cfeitong/cft-riscv-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfeitong/cft-riscv-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfeitong%2Fcft-riscv-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfeitong%2Fcft-riscv-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37d095ea4d735f4981681b597c9ca6b70ee3765b
[INFO] checking cfeitong/cft-riscv-vm against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfeitong%2Fcft-riscv-vm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cfeitong/cft-riscv-vm
[INFO] finished tweaking git repo https://github.com/cfeitong/cft-riscv-vm
[INFO] tweaked toml for git repo https://github.com/cfeitong/cft-riscv-vm written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cfeitong/cft-riscv-vm on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cfeitong/cft-riscv-vm 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8819952cc033cee63c660668f89c072720087abc3fc6203cf403fd099f02b03f
[INFO] running `Command { std: "docker" "start" "-a" "8819952cc033cee63c660668f89c072720087abc3fc6203cf403fd099f02b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8819952cc033cee63c660668f89c072720087abc3fc6203cf403fd099f02b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8819952cc033cee63c660668f89c072720087abc3fc6203cf403fd099f02b03f", kill_on_drop: false }`
[INFO] [stdout] 8819952cc033cee63c660668f89c072720087abc3fc6203cf403fd099f02b03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c67c6e6f8d181fd9f0d86f60e735dd193f6c8e1811a63a7867c208b5fd2e0a
[INFO] running `Command { std: "docker" "start" "-a" "96c67c6e6f8d181fd9f0d86f60e735dd193f6c8e1811a63a7867c208b5fd2e0a", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking ruzstd v0.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking cft-riscv-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `low_bitmask_u8`
[INFO] [stdout]  --> src/instruction/format.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{low_bitmask_u32, low_bitmask_u8};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:206:14
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn fence(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:206:32
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn fence(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub fn fence_i(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub fn fence_i(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn ecall(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:277:32
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn ecall(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:281:15
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub fn ebreak(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:281:33
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub fn ebreak(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:285:13
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn uret(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:285:31
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn uret(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn sret(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:289:31
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn sret(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn mret(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:293:31
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub fn mret(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:297:12
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub fn wfi(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:297:30
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub fn wfi(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/instruction/rv32i.rs:301:19
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn sfence_vma(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]    --> src/instruction/rv32i.rs:301:37
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn sfence_vma(instruction: u32, cpu: &mut Cpu) -> InstExecResult {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cft-riscv-vm` (bin "cft-riscv-vm") due to 1 previous error; 20 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "96c67c6e6f8d181fd9f0d86f60e735dd193f6c8e1811a63a7867c208b5fd2e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c67c6e6f8d181fd9f0d86f60e735dd193f6c8e1811a63a7867c208b5fd2e0a", kill_on_drop: false }`
[INFO] [stdout] 96c67c6e6f8d181fd9f0d86f60e735dd193f6c8e1811a63a7867c208b5fd2e0a
