[INFO] updating cached repository https://github.com/guoxiang666/RISC-V-Emulator
[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] 141a3b79ebfdc5d15cfd7af7ce0d48f9f144757c
[INFO] testing guoxiang666/RISC-V-Emulator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguoxiang666%2FRISC-V-Emulator" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guoxiang666/RISC-V-Emulator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/guoxiang666/RISC-V-Emulator
[INFO] finished tweaking git repo https://github.com/guoxiang666/RISC-V-Emulator
[INFO] tweaked toml for git repo https://github.com/guoxiang666/RISC-V-Emulator written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/guoxiang666/RISC-V-Emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74d50ded3fd266f495328433270b87212646cdb2ab74bcfa409b636040ed9be6
[INFO] running `"docker" "start" "-a" "74d50ded3fd266f495328433270b87212646cdb2ab74bcfa409b636040ed9be6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling RISC-V-Emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0624]: associated function `fetch` is private
[INFO] [stderr]   --> src/main.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let inst = cpu.fetch();
[INFO] [stderr]    |                        ^^^^^ private associated function
[INFO] [stderr] 
[INFO] [stderr] error[E0624]: associated function `execute` is private
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         cpu.execute(inst);
[INFO] [stderr]    |             ^^^^^^^ private associated function
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u64`
[INFO] [stderr]   --> src/cpu.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         self.memory[addr as u64] = val as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u64`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<u64>` for `std::vec::Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u64`
[INFO] [stderr]   --> src/cpu.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         self.memory[index] = (val & 0xff) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u64`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<u64>` for `std::vec::Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[u8]` cannot be indexed by `u64`
[INFO] [stderr]   --> src/cpu.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         self.memory[index + 1] = ((val >> 8) & 0xff) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[u8]>` is not implemented for `u64`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<u64>` for `std::vec::Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0624.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `RISC-V-Emulator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "74d50ded3fd266f495328433270b87212646cdb2ab74bcfa409b636040ed9be6"`
[INFO] running `"docker" "rm" "-f" "74d50ded3fd266f495328433270b87212646cdb2ab74bcfa409b636040ed9be6"`
[INFO] [stdout] 74d50ded3fd266f495328433270b87212646cdb2ab74bcfa409b636040ed9be6