[INFO] updating cached repository https://github.com/ablanleuil/rust_riscv
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ablanleuil/rust_riscv
[INFO] [stderr]    c5e7e02..bd42c72  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd42c720b4863212d61b4b0efca9fe576b127176
[INFO] checking ablanleuil/rust_riscv against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fablanleuil%2Frust_riscv" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ablanleuil/rust_riscv on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "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 work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ablanleuil/rust_riscv already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31506db639f655940e97620a2832d1f0af3eddbb9e04ece5173f1bcfeb2d4a7a
[INFO] running `"docker" "start" "-a" "31506db639f655940e97620a2832d1f0af3eddbb9e04ece5173f1bcfeb2d4a7a"`
[INFO] [stderr]     Checking riscv-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `CsrId`
[INFO] [stderr]  --> src/machine/rv32pthread.rs:2:32
[INFO] [stderr]   |
[INFO] [stderr] 2 | use isa::{Instruction, OpCode, CsrId, CsrField};
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `threads`
[INFO] [stderr]   --> src/machine/rv32pthread.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     threads : Vec<ThreadData>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CsrId`
[INFO] [stderr]  --> src/machine/rv32pthread.rs:2:32
[INFO] [stderr]   |
[INFO] [stderr] 2 | use isa::{Instruction, OpCode, CsrId, CsrField};
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `threads`
[INFO] [stderr]   --> src/machine/rv32pthread.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     threads : Vec<ThreadData>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `rv32pthread::Machine as RV32Quad`, `self`
[INFO] [stderr]  --> tests/machine.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use riscv_sandbox::machine::{self, rv32i::Machine as RV32I, rv32pthread::Machine as RV32Quad, *};
[INFO] [stderr]   |                              ^^^^                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/machine.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut mem : Vec<u8> = Vec::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `"docker" "inspect" "31506db639f655940e97620a2832d1f0af3eddbb9e04ece5173f1bcfeb2d4a7a"`
[INFO] running `"docker" "rm" "-f" "31506db639f655940e97620a2832d1f0af3eddbb9e04ece5173f1bcfeb2d4a7a"`
[INFO] [stdout] 31506db639f655940e97620a2832d1f0af3eddbb9e04ece5173f1bcfeb2d4a7a