[INFO] cloning repository https://github.com/pleasewhy/riscv-vm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pleasewhy/riscv-vm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Friscv-vm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Friscv-vm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9121a8245472de13860dd768df00011d6acb53eb
[INFO] testing pleasewhy/riscv-vm-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleasewhy%2Friscv-vm-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pleasewhy/riscv-vm-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pleasewhy/riscv-vm-rust
[INFO] finished tweaking git repo https://github.com/pleasewhy/riscv-vm-rust
[INFO] tweaked toml for git repo https://github.com/pleasewhy/riscv-vm-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/pleasewhy/riscv-vm-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f51aecf37ca935f564c9c82bc6b8bf3f8806db2812c2e189d1331f04da9865ba
[INFO] running `Command { std: "docker" "start" "-a" "f51aecf37ca935f564c9c82bc6b8bf3f8806db2812c2e189d1331f04da9865ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51aecf37ca935f564c9c82bc6b8bf3f8806db2812c2e189d1331f04da9865ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51aecf37ca935f564c9c82bc6b8bf3f8806db2812c2e189d1331f04da9865ba", kill_on_drop: false }`
[INFO] [stdout] f51aecf37ca935f564c9c82bc6b8bf3f8806db2812c2e189d1331f04da9865ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dee12a0e0876b5096b7aec62793adb3e7ddeff2bd3c59dbd07fb951742c835d
[INFO] running `Command { std: "docker" "start" "-a" "6dee12a0e0876b5096b7aec62793adb3e7ddeff2bd3c59dbd07fb951742c835d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling riscv-decode v0.2.0 (https://github.com/pleasewhy/riscv-decode?rev=b7668c11c8fdcc4db2da50c7e5b041f60736b135#b7668c11)
[INFO] [stderr]    Compiling elf v0.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling simple_logger v1.16.0
[INFO] [stderr]    Compiling riscv-vm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `elf::types::PT_LOAD`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use elf::types::PT_LOAD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude::FileExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::prelude::FileExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::riscv_vm::memory`
[INFO] [stdout]  --> src/riscv_core/riscv.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::riscv_vm::memory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `riscv_mem_fetch_inst` should have an upper camel case name
[INFO] [stdout]   --> src/riscv_core/riscv.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type riscv_mem_fetch_inst = Box<dyn Fn()>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RiscvMemFetchInst`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv-vm-rust` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6dee12a0e0876b5096b7aec62793adb3e7ddeff2bd3c59dbd07fb951742c835d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dee12a0e0876b5096b7aec62793adb3e7ddeff2bd3c59dbd07fb951742c835d", kill_on_drop: false }`
[INFO] [stdout] 6dee12a0e0876b5096b7aec62793adb3e7ddeff2bd3c59dbd07fb951742c835d