[INFO] cloning repository https://github.com/huhlig/hivemind-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huhlig/hivemind-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuhlig%2Fhivemind-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuhlig%2Fhivemind-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3675290a2e7432f4282ff1ada2c08f37ff2e53fa
[INFO] testing huhlig/hivemind-rs 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%2Fhuhlig%2Fhivemind-rs" "/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/huhlig/hivemind-rs 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] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/huhlig/hivemind-rs
[INFO] finished tweaking git repo https://github.com/huhlig/hivemind-rs
[INFO] tweaked toml for git repo https://github.com/huhlig/hivemind-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/huhlig/hivemind-rs 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] [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" "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] de923722ab9716b97949c0e61c121d87771d0665c0c40638d97c7336ed4fc0e4
[INFO] running `Command { std: "docker" "start" "-a" "de923722ab9716b97949c0e61c121d87771d0665c0c40638d97c7336ed4fc0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de923722ab9716b97949c0e61c121d87771d0665c0c40638d97c7336ed4fc0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de923722ab9716b97949c0e61c121d87771d0665c0c40638d97c7336ed4fc0e4", kill_on_drop: false }`
[INFO] [stdout] de923722ab9716b97949c0e61c121d87771d0665c0c40638d97c7336ed4fc0e4
[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=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] e79c8fa9d87a5b0e611c693d583c4a98eef1d2246643289b1e5995a4b8bbf5a6
[INFO] running `Command { std: "docker" "start" "-a" "e79c8fa9d87a5b0e611c693d583c4a98eef1d2246643289b1e5995a4b8bbf5a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling hivemind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vcpu/cpu.rs:113:48
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn load_memory(&mut self, reader: &mut Read) {
[INFO] [stdout]     |                                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 -     pub fn load_memory(&mut self, reader: &mut Read) {
[INFO] [stdout] 113 +     pub fn load_memory(&mut self, reader: &mut dyn Read) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vcpu/cpu.rs:123:48
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn save_memory(&mut self, writer: &mut Write) {
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 -     pub fn save_memory(&mut self, writer: &mut Write) {
[INFO] [stdout] 123 +     pub fn save_memory(&mut self, writer: &mut dyn Write) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/vcpu/cpu.rs:1000:30
[INFO] [stdout]      |
[INFO] [stdout] 1000 |                 self.execute(&instruction);
[INFO] [stdout]      |                              ^^^^^^^^^^^^ expected enum `Instruction`, found `&&Instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hivemind` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e79c8fa9d87a5b0e611c693d583c4a98eef1d2246643289b1e5995a4b8bbf5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79c8fa9d87a5b0e611c693d583c4a98eef1d2246643289b1e5995a4b8bbf5a6", kill_on_drop: false }`
[INFO] [stdout] e79c8fa9d87a5b0e611c693d583c4a98eef1d2246643289b1e5995a4b8bbf5a6