[INFO] updating cached repository RyanRiddle/rust-vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RyanRiddle/rust-vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RyanRiddle/rust-vm" "work/ex/beta-1.38-1/sources/1.37.0/gh/RyanRiddle/rust-vm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RyanRiddle/rust-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RyanRiddle/rust-vm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RyanRiddle/rust-vm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RyanRiddle/rust-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfae1bde161ceab0a77b427162092c557d08b183
[INFO] sha for GitHub repo RyanRiddle/rust-vm: dfae1bde161ceab0a77b427162092c557d08b183
[INFO] validating manifest of RyanRiddle/rust-vm on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RyanRiddle/rust-vm on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RyanRiddle/rust-vm
[INFO] finished frobbing RyanRiddle/rust-vm
[INFO] frobbed toml for RyanRiddle/rust-vm written to work/ex/beta-1.38-1/sources/1.37.0/gh/RyanRiddle/rust-vm/Cargo.toml
[INFO] started frobbing RyanRiddle/rust-vm
[INFO] finished frobbing RyanRiddle/rust-vm
[INFO] frobbed toml for RyanRiddle/rust-vm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RyanRiddle/rust-vm/Cargo.toml
[INFO] crate RyanRiddle/rust-vm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RyanRiddle/rust-vm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RyanRiddle/rust-vm:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bf794937d40c6d383aa3398d3239ad3b4fe39d66f7a0adca54c7345d3c6a16e7
[INFO] running `"docker" "start" "-a" "bf794937d40c6d383aa3398d3239ad3b4fe39d66f7a0adca54c7345d3c6a16e7"`
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     while true
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "bf794937d40c6d383aa3398d3239ad3b4fe39d66f7a0adca54c7345d3c6a16e7"`
[INFO] running `"docker" "rm" "-f" "bf794937d40c6d383aa3398d3239ad3b4fe39d66f7a0adca54c7345d3c6a16e7"`
[INFO] [stdout] bf794937d40c6d383aa3398d3239ad3b4fe39d66f7a0adca54c7345d3c6a16e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RyanRiddle/rust-vm:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] da804024fcd479a308941a1f7090be5dc9e54f857f59e4e16dfa79631c4ddb15
[INFO] running `"docker" "start" "-a" "da804024fcd479a308941a1f7090be5dc9e54f857f59e4e16dfa79631c4ddb15"`
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/main.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     while true
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "da804024fcd479a308941a1f7090be5dc9e54f857f59e4e16dfa79631c4ddb15"`
[INFO] running `"docker" "rm" "-f" "da804024fcd479a308941a1f7090be5dc9e54f857f59e4e16dfa79631c4ddb15"`
[INFO] [stdout] da804024fcd479a308941a1f7090be5dc9e54f857f59e4e16dfa79631c4ddb15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RyanRiddle/rust-vm:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 573dcd18cd3ac7040928d5875229cd4d9b80441101f434f5ba469d8f841575eb
[INFO] running `"docker" "start" "-a" "573dcd18cd3ac7040928d5875229cd4d9b80441101f434f5ba469d8f841575eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vm-cc89fe80b89a597a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "573dcd18cd3ac7040928d5875229cd4d9b80441101f434f5ba469d8f841575eb"`
[INFO] running `"docker" "rm" "-f" "573dcd18cd3ac7040928d5875229cd4d9b80441101f434f5ba469d8f841575eb"`
[INFO] [stdout] 573dcd18cd3ac7040928d5875229cd4d9b80441101f434f5ba469d8f841575eb