[INFO] updating cached repository jos-b/cpu_emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jos-b/cpu_emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jos-b/cpu_emulator" "work/ex/beta-1.37-6/sources/1.36.0/gh/jos-b/cpu_emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jos-b/cpu_emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jos-b/cpu_emulator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jos-b/cpu_emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jos-b/cpu_emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a11b6d3a9d0cb22dbe8e18506bf96c140a905f12
[INFO] sha for GitHub repo jos-b/cpu_emulator: a11b6d3a9d0cb22dbe8e18506bf96c140a905f12
[INFO] validating manifest of jos-b/cpu_emulator 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 jos-b/cpu_emulator 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 jos-b/cpu_emulator
[INFO] finished frobbing jos-b/cpu_emulator
[INFO] frobbed toml for jos-b/cpu_emulator written to work/ex/beta-1.37-6/sources/1.36.0/gh/jos-b/cpu_emulator/Cargo.toml
[INFO] started frobbing jos-b/cpu_emulator
[INFO] finished frobbing jos-b/cpu_emulator
[INFO] frobbed toml for jos-b/cpu_emulator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jos-b/cpu_emulator/Cargo.toml
[INFO] crate jos-b/cpu_emulator 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jos-b/cpu_emulator 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-0/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/jos-b/cpu_emulator:/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] 26460b38411ab085e289e7f13f27bc768f8fb414c63d900188614233a5f606d5
[INFO] running `"docker" "start" "-a" "26460b38411ab085e289e7f13f27bc768f8fb414c63d900188614233a5f606d5"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling cpu_emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.00s
[INFO] running `"docker" "inspect" "26460b38411ab085e289e7f13f27bc768f8fb414c63d900188614233a5f606d5"`
[INFO] running `"docker" "rm" "-f" "26460b38411ab085e289e7f13f27bc768f8fb414c63d900188614233a5f606d5"`
[INFO] [stdout] 26460b38411ab085e289e7f13f27bc768f8fb414c63d900188614233a5f606d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/jos-b/cpu_emulator:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4c82905fe9f5f3b1d5ba6d5a320b107dce2abbfd32f10ed87e9b2a1f0e245b12
[INFO] running `"docker" "start" "-a" "4c82905fe9f5f3b1d5ba6d5a320b107dce2abbfd32f10ed87e9b2a1f0e245b12"`
[INFO] [stderr]    Compiling cpu_emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "4c82905fe9f5f3b1d5ba6d5a320b107dce2abbfd32f10ed87e9b2a1f0e245b12"`
[INFO] running `"docker" "rm" "-f" "4c82905fe9f5f3b1d5ba6d5a320b107dce2abbfd32f10ed87e9b2a1f0e245b12"`
[INFO] [stdout] 4c82905fe9f5f3b1d5ba6d5a320b107dce2abbfd32f10ed87e9b2a1f0e245b12
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/jos-b/cpu_emulator:/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" "test" "--frozen"`
[INFO] [stdout] 30b1c212fb4c584276036bc043ed57d17d6f403ac4e6a8259bd8ce3ba5e6d37e
[INFO] running `"docker" "start" "-a" "30b1c212fb4c584276036bc043ed57d17d6f403ac4e6a8259bd8ce3ba5e6d37e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cpu_emulator-1c5e1b0ecf465d8a
[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" "30b1c212fb4c584276036bc043ed57d17d6f403ac4e6a8259bd8ce3ba5e6d37e"`
[INFO] running `"docker" "rm" "-f" "30b1c212fb4c584276036bc043ed57d17d6f403ac4e6a8259bd8ce3ba5e6d37e"`
[INFO] [stdout] 30b1c212fb4c584276036bc043ed57d17d6f403ac4e6a8259bd8ce3ba5e6d37e