[INFO] updating cached repository JPTIZ/ai-tests
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JPTIZ/ai-tests
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JPTIZ/ai-tests" "work/ex/beta-1.38-1/sources/1.37.0/gh/JPTIZ/ai-tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JPTIZ/ai-tests'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JPTIZ/ai-tests" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JPTIZ/ai-tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JPTIZ/ai-tests'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5dac853b0ba8d364d75b2e5b17fe41e991d8b4d0
[INFO] sha for GitHub repo JPTIZ/ai-tests: 5dac853b0ba8d364d75b2e5b17fe41e991d8b4d0
[INFO] validating manifest of JPTIZ/ai-tests 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 JPTIZ/ai-tests 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 JPTIZ/ai-tests
[INFO] finished frobbing JPTIZ/ai-tests
[INFO] frobbed toml for JPTIZ/ai-tests written to work/ex/beta-1.38-1/sources/1.37.0/gh/JPTIZ/ai-tests/Cargo.toml
[INFO] started frobbing JPTIZ/ai-tests
[INFO] finished frobbing JPTIZ/ai-tests
[INFO] frobbed toml for JPTIZ/ai-tests written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JPTIZ/ai-tests/Cargo.toml
[INFO] crate JPTIZ/ai-tests 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 JPTIZ/ai-tests against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JPTIZ/ai-tests:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c1fb03517781da48eea37c0f3b3c740ef9ac26ca7e4455bbfdda087daf53a3c4
[INFO] running `"docker" "start" "-a" "c1fb03517781da48eea37c0f3b3c740ef9ac26ca7e4455bbfdda087daf53a3c4"`
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling flat_projection v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling heuristics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.73s
[INFO] running `"docker" "inspect" "c1fb03517781da48eea37c0f3b3c740ef9ac26ca7e4455bbfdda087daf53a3c4"`
[INFO] running `"docker" "rm" "-f" "c1fb03517781da48eea37c0f3b3c740ef9ac26ca7e4455bbfdda087daf53a3c4"`
[INFO] [stdout] c1fb03517781da48eea37c0f3b3c740ef9ac26ca7e4455bbfdda087daf53a3c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JPTIZ/ai-tests:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8e52cffd508ebdec2769b397c9a7a3695671fdc78fd2390f8ed45e85685947e8
[INFO] running `"docker" "start" "-a" "8e52cffd508ebdec2769b397c9a7a3695671fdc78fd2390f8ed45e85685947e8"`
[INFO] [stderr]    Compiling heuristics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "8e52cffd508ebdec2769b397c9a7a3695671fdc78fd2390f8ed45e85685947e8"`
[INFO] running `"docker" "rm" "-f" "8e52cffd508ebdec2769b397c9a7a3695671fdc78fd2390f8ed45e85685947e8"`
[INFO] [stdout] 8e52cffd508ebdec2769b397c9a7a3695671fdc78fd2390f8ed45e85685947e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JPTIZ/ai-tests:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] abdb5ae22dc78f79d5feeea235bf7ec1c1d0f27ce4ccae7115d0a1b692feb664
[INFO] running `"docker" "start" "-a" "abdb5ae22dc78f79d5feeea235bf7ec1c1d0f27ce4ccae7115d0a1b692feb664"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/heuristics-a6ea39dbd7893d04
[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" "abdb5ae22dc78f79d5feeea235bf7ec1c1d0f27ce4ccae7115d0a1b692feb664"`
[INFO] running `"docker" "rm" "-f" "abdb5ae22dc78f79d5feeea235bf7ec1c1d0f27ce4ccae7115d0a1b692feb664"`
[INFO] [stdout] abdb5ae22dc78f79d5feeea235bf7ec1c1d0f27ce4ccae7115d0a1b692feb664