[INFO] updating cached repository matthunz/emul8r
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matthunz/emul8r
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matthunz/emul8r" "work/ex/beta-1.38-1/sources/1.37.0/gh/matthunz/emul8r"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/matthunz/emul8r'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthunz/emul8r" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matthunz/emul8r"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matthunz/emul8r'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c62a2b457ba63c2a51f03f56c4079389ad022ca3
[INFO] sha for GitHub repo matthunz/emul8r: c62a2b457ba63c2a51f03f56c4079389ad022ca3
[INFO] validating manifest of matthunz/emul8r 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 matthunz/emul8r 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 matthunz/emul8r
[INFO] finished frobbing matthunz/emul8r
[INFO] frobbed toml for matthunz/emul8r written to work/ex/beta-1.38-1/sources/1.37.0/gh/matthunz/emul8r/Cargo.toml
[INFO] started frobbing matthunz/emul8r
[INFO] finished frobbing matthunz/emul8r
[INFO] frobbed toml for matthunz/emul8r written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/matthunz/emul8r/Cargo.toml
[INFO] crate matthunz/emul8r 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing matthunz/emul8r 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-4/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/matthunz/emul8r:/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] 3a39ff5490a506820d80ac6131ef6fcc9fd11a9ddd288db36208be3c65bf38f6
[INFO] running `"docker" "start" "-a" "3a39ff5490a506820d80ac6131ef6fcc9fd11a9ddd288db36208be3c65bf38f6"`
[INFO] [stderr]    Compiling emul8r v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Cpu {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/cpu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opcode`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn opcode(&mut self, op: Op) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "3a39ff5490a506820d80ac6131ef6fcc9fd11a9ddd288db36208be3c65bf38f6"`
[INFO] running `"docker" "rm" "-f" "3a39ff5490a506820d80ac6131ef6fcc9fd11a9ddd288db36208be3c65bf38f6"`
[INFO] [stdout] 3a39ff5490a506820d80ac6131ef6fcc9fd11a9ddd288db36208be3c65bf38f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/matthunz/emul8r:/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] b4bb0f89eebb4b83ea313a945587eb9b950b6dc961fb6e825598bfccd348845a
[INFO] running `"docker" "start" "-a" "b4bb0f89eebb4b83ea313a945587eb9b950b6dc961fb6e825598bfccd348845a"`
[INFO] [stderr]    Compiling emul8r v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "b4bb0f89eebb4b83ea313a945587eb9b950b6dc961fb6e825598bfccd348845a"`
[INFO] running `"docker" "rm" "-f" "b4bb0f89eebb4b83ea313a945587eb9b950b6dc961fb6e825598bfccd348845a"`
[INFO] [stdout] b4bb0f89eebb4b83ea313a945587eb9b950b6dc961fb6e825598bfccd348845a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/matthunz/emul8r:/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] cb3e70065c96f8cc7073c23d3351b8f5b9df3936f6d8accc40ce5bf3cd055795
[INFO] running `"docker" "start" "-a" "cb3e70065c96f8cc7073c23d3351b8f5b9df3936f6d8accc40ce5bf3cd055795"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emul8r-f88d25b150ca5941
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test cpu::test::cpu ... 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" "cb3e70065c96f8cc7073c23d3351b8f5b9df3936f6d8accc40ce5bf3cd055795"`
[INFO] running `"docker" "rm" "-f" "cb3e70065c96f8cc7073c23d3351b8f5b9df3936f6d8accc40ce5bf3cd055795"`
[INFO] [stdout] cb3e70065c96f8cc7073c23d3351b8f5b9df3936f6d8accc40ce5bf3cd055795