[INFO] updating cached repository taku-shimomura/building_vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/taku-shimomura/building_vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/taku-shimomura/building_vm" "work/ex/beta-1.38-1/sources/1.37.0/gh/taku-shimomura/building_vm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/taku-shimomura/building_vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/taku-shimomura/building_vm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/taku-shimomura/building_vm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/taku-shimomura/building_vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6110d32f2d884ecc9c196a0c23e1edd840fb412f
[INFO] sha for GitHub repo taku-shimomura/building_vm: 6110d32f2d884ecc9c196a0c23e1edd840fb412f
[INFO] validating manifest of taku-shimomura/building_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 taku-shimomura/building_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 taku-shimomura/building_vm
[INFO] finished frobbing taku-shimomura/building_vm
[INFO] frobbed toml for taku-shimomura/building_vm written to work/ex/beta-1.38-1/sources/1.37.0/gh/taku-shimomura/building_vm/Cargo.toml
[INFO] started frobbing taku-shimomura/building_vm
[INFO] finished frobbing taku-shimomura/building_vm
[INFO] frobbed toml for taku-shimomura/building_vm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/taku-shimomura/building_vm/Cargo.toml
[INFO] crate taku-shimomura/building_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 taku-shimomura/building_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-5/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/taku-shimomura/building_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] 2e93c1bb97724c332d916623539b1c3108561ef7767e60aeea4f644c214c5fa7
[INFO] running `"docker" "start" "-a" "2e93c1bb97724c332d916623539b1c3108561ef7767e60aeea4f644c214c5fa7"`
[INFO] [stderr]    Compiling building_vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `registers`
[INFO] [stderr]  --> src/vm.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     registers: [i32; 32]
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "2e93c1bb97724c332d916623539b1c3108561ef7767e60aeea4f644c214c5fa7"`
[INFO] running `"docker" "rm" "-f" "2e93c1bb97724c332d916623539b1c3108561ef7767e60aeea4f644c214c5fa7"`
[INFO] [stdout] 2e93c1bb97724c332d916623539b1c3108561ef7767e60aeea4f644c214c5fa7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/taku-shimomura/building_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] bfefd610b6a699c2430713196f4e610bc1b72f2e8fc334f00a1fb7fb63ee9dc4
[INFO] running `"docker" "start" "-a" "bfefd610b6a699c2430713196f4e610bc1b72f2e8fc334f00a1fb7fb63ee9dc4"`
[INFO] [stderr]    Compiling building_vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "bfefd610b6a699c2430713196f4e610bc1b72f2e8fc334f00a1fb7fb63ee9dc4"`
[INFO] running `"docker" "rm" "-f" "bfefd610b6a699c2430713196f4e610bc1b72f2e8fc334f00a1fb7fb63ee9dc4"`
[INFO] [stdout] bfefd610b6a699c2430713196f4e610bc1b72f2e8fc334f00a1fb7fb63ee9dc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/taku-shimomura/building_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] faa8e01e68a7027ea5e0e4c446faae61aedcb1bd646aa0eb6329771137b95bcf
[INFO] running `"docker" "start" "-a" "faa8e01e68a7027ea5e0e4c446faae61aedcb1bd646aa0eb6329771137b95bcf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/building_vm-d80a9dafa69c2481
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vm::tests::test_create_vm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "faa8e01e68a7027ea5e0e4c446faae61aedcb1bd646aa0eb6329771137b95bcf"`
[INFO] running `"docker" "rm" "-f" "faa8e01e68a7027ea5e0e4c446faae61aedcb1bd646aa0eb6329771137b95bcf"`
[INFO] [stdout] faa8e01e68a7027ea5e0e4c446faae61aedcb1bd646aa0eb6329771137b95bcf