[INFO] cloning repository https://github.com/yuteno/rust-RISC-V
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuteno/rust-RISC-V" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuteno%2Frust-RISC-V", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuteno%2Frust-RISC-V'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab409a2825b95838c269ebd2eaa29adeb0689ee0
[INFO] checking yuteno/rust-RISC-V against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuteno%2Frust-RISC-V" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuteno/rust-RISC-V on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuteno/rust-RISC-V
[INFO] finished tweaking git repo https://github.com/yuteno/rust-RISC-V
[INFO] tweaked toml for git repo https://github.com/yuteno/rust-RISC-V written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yuteno/rust-RISC-V already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70fdebc885900ab7c3db35375d8203e2b72f408db35c0f11f1863c86048ce816
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "70fdebc885900ab7c3db35375d8203e2b72f408db35c0f11f1863c86048ce816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70fdebc885900ab7c3db35375d8203e2b72f408db35c0f11f1863c86048ce816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70fdebc885900ab7c3db35375d8203e2b72f408db35c0f11f1863c86048ce816", kill_on_drop: false }`
[INFO] [stdout] 70fdebc885900ab7c3db35375d8203e2b72f408db35c0f11f1863c86048ce816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ccd3c97b9e5040a06ef98eef4bdad3cff6f97b03eff372cca5ca8994735058c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ccd3c97b9e5040a06ef98eef4bdad3cff6f97b03eff372cca5ca8994735058c", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_RISC_V v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::exception::Exception`
[INFO] [stdout]  --> src/cpu/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::exception::Exception;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bound`, `RangeBounds`, `Range`
[INFO] [stdout]  --> src/csr/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Bound, Range, RangeBounds};
[INFO] [stdout]   |                ^^^^^  ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::Cpu`
[INFO] [stdout]  --> src/exception/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::Cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::Mode`
[INFO] [stdout]  --> src/exception/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::Mode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::exception::Exception`
[INFO] [stdout]  --> src/cpu/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::exception::Exception;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bound`, `RangeBounds`, `Range`
[INFO] [stdout]  --> src/csr/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Bound, Range, RangeBounds};
[INFO] [stdout]   |                ^^^^^  ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::Cpu`
[INFO] [stdout]  --> src/exception/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cpu::Cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::Mode`
[INFO] [stdout]  --> src/exception/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::Mode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> src/cpu/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     mode: Mode,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/cpu/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exception_code`
[INFO] [stdout]   --> src/exception/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn exception_code(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `rust_RISC_V` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_risc_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]   --> src/cpu/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     mode: Mode,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/cpu/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exception_code`
[INFO] [stdout]   --> src/exception/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn exception_code(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `rust_RISC_V` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_risc_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "4ccd3c97b9e5040a06ef98eef4bdad3cff6f97b03eff372cca5ca8994735058c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccd3c97b9e5040a06ef98eef4bdad3cff6f97b03eff372cca5ca8994735058c", kill_on_drop: false }`
[INFO] [stdout] 4ccd3c97b9e5040a06ef98eef4bdad3cff6f97b03eff372cca5ca8994735058c