[INFO] updating cached repository https://github.com/ablanleuil/rust_riscv
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 529b4bb02526949b8506170b4cfdb19ee75f2dda
[INFO] checking ablanleuil/rust_riscv against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fablanleuil%2Frust_riscv" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ablanleuil/rust_riscv on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ablanleuil/rust_riscv
[INFO] finished tweaking git repo https://github.com/ablanleuil/rust_riscv
[INFO] tweaked toml for git repo https://github.com/ablanleuil/rust_riscv written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ablanleuil/rust_riscv already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed2abe674f371264ca79d937d28e5a900c4b0d028bcabad615355b6c1ee58f1c
[INFO] running `"docker" "start" "-a" "ed2abe674f371264ca79d937d28e5a900c4b0d028bcabad615355b6c1ee58f1c"`
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking riscv-sandbox v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `function`
[INFO] [stderr]    --> src/machine/simtx.rs:777:29
[INFO] [stderr]     |
[INFO] [stderr] 777 |                         let function = core.registers[10];
[INFO] [stderr]     |                             ^^^^^^^^ help: consider prefixing with an underscore: `_function`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `function`
[INFO] [stderr]    --> src/machine/simtx.rs:777:29
[INFO] [stderr]     |
[INFO] [stderr] 777 |                         let function = core.registers[10];
[INFO] [stderr]     |                             ^^^^^^^^ help: consider prefixing with an underscore: `_function`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_path_of_core`
[INFO] [stderr]   --> src/machine/simtx.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn get_path_of_core(&self, cid:usize) -> &Path {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_path_of_core`
[INFO] [stderr]   --> src/machine/simtx.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn get_path_of_core(&self, cid:usize) -> &Path {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> examples/simtx.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::{HashMap, BTreeMap};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `riscv_sandbox::memory::Memory`
[INFO] [stderr]  --> tests/machine.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use riscv_sandbox::memory::Memory;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `riscv_sandbox::elf`
[INFO] [stderr]   --> tests/machine.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use riscv_sandbox::elf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeMap`
[INFO] [stderr]   --> tests/machine.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::{HashMap, BTreeMap};
[INFO] [stderr]    |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `*`, `self`
[INFO] [stderr]   --> tests/machine.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::fs::{self, *};
[INFO] [stderr]    |               ^^^^  ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]   --> tests/machine.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{BufReader, BufRead};
[INFO] [stderr]    |               ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]   --> tests/machine.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::sync::{Arc, Mutex};
[INFO] [stderr]    |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `machine`
[INFO] [stderr]    --> tests/machine.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |     let machine = SIMTX::new(machine::simtx::MAX_TPW + 1, 1, HashMap::new());
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_machine`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `"docker" "inspect" "ed2abe674f371264ca79d937d28e5a900c4b0d028bcabad615355b6c1ee58f1c"`
[INFO] running `"docker" "rm" "-f" "ed2abe674f371264ca79d937d28e5a900c4b0d028bcabad615355b6c1ee58f1c"`
[INFO] [stdout] ed2abe674f371264ca79d937d28e5a900c4b0d028bcabad615355b6c1ee58f1c