[INFO] updating cached repository huhlig/hivemind-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huhlig/hivemind-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huhlig/hivemind-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/huhlig/hivemind-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/huhlig/hivemind-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huhlig/hivemind-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huhlig/hivemind-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huhlig/hivemind-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3675290a2e7432f4282ff1ada2c08f37ff2e53fa
[INFO] sha for GitHub repo huhlig/hivemind-rs: 3675290a2e7432f4282ff1ada2c08f37ff2e53fa
[INFO] validating manifest of huhlig/hivemind-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of huhlig/hivemind-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing huhlig/hivemind-rs
[INFO] finished frobbing huhlig/hivemind-rs
[INFO] frobbed toml for huhlig/hivemind-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/huhlig/hivemind-rs/Cargo.toml
[INFO] started frobbing huhlig/hivemind-rs
[INFO] finished frobbing huhlig/hivemind-rs
[INFO] frobbed toml for huhlig/hivemind-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huhlig/hivemind-rs/Cargo.toml
[INFO] crate huhlig/hivemind-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing huhlig/hivemind-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huhlig/hivemind-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2fc0a72bef97cb1aaee0b3d7fcb0e1560ed3c89b6953e6a1ca82a1a00e1f5080
[INFO] running `"docker" "start" "-a" "2fc0a72bef97cb1aaee0b3d7fcb0e1560ed3c89b6953e6a1ca82a1a00e1f5080"`
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling hivemind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vcpu/cpu.rs:113:48
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn load_memory(&mut self, reader: &mut Read) {
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vcpu/cpu.rs:123:48
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn save_memory(&mut self, writer: &mut Write) {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]     --> src/vcpu/cpu.rs:1000:30
[INFO] [stderr]      |
[INFO] [stderr] 1000 |                 self.execute(&instruction);
[INFO] [stderr]      |                              ^^^^^^^^^^^^ expected enum `vcpu::cpu::Instruction`, found reference
[INFO] [stderr]      |
[INFO] [stderr]      = note: expected type `vcpu::cpu::Instruction`
[INFO] [stderr]                 found type `&&vcpu::cpu::Instruction`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `hivemind`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2fc0a72bef97cb1aaee0b3d7fcb0e1560ed3c89b6953e6a1ca82a1a00e1f5080"`
[INFO] running `"docker" "rm" "-f" "2fc0a72bef97cb1aaee0b3d7fcb0e1560ed3c89b6953e6a1ca82a1a00e1f5080"`
[INFO] [stdout] 2fc0a72bef97cb1aaee0b3d7fcb0e1560ed3c89b6953e6a1ca82a1a00e1f5080