[INFO] updating cached repository makutamoto/ttygraph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/makutamoto/ttygraph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/makutamoto/ttygraph" "work/ex/beta-1.38-1/sources/1.37.0/gh/makutamoto/ttygraph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/makutamoto/ttygraph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/makutamoto/ttygraph" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/makutamoto/ttygraph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/makutamoto/ttygraph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6030e0d5048f13acf2e30c4a22e4c547702612a
[INFO] sha for GitHub repo makutamoto/ttygraph: c6030e0d5048f13acf2e30c4a22e4c547702612a
[INFO] validating manifest of makutamoto/ttygraph 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 makutamoto/ttygraph 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 makutamoto/ttygraph
[INFO] finished frobbing makutamoto/ttygraph
[INFO] frobbed toml for makutamoto/ttygraph written to work/ex/beta-1.38-1/sources/1.37.0/gh/makutamoto/ttygraph/Cargo.toml
[INFO] started frobbing makutamoto/ttygraph
[INFO] finished frobbing makutamoto/ttygraph
[INFO] frobbed toml for makutamoto/ttygraph written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/makutamoto/ttygraph/Cargo.toml
[INFO] crate makutamoto/ttygraph 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 makutamoto/ttygraph 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/makutamoto/ttygraph:/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] bf7a2a26f319f084c06bf242afba0a97c0893764e5eec05e14ff02212ab281a2
[INFO] running `"docker" "start" "-a" "bf7a2a26f319f084c06bf242afba0a97c0893764e5eec05e14ff02212ab281a2"`
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling ttygraph v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `"docker" "inspect" "bf7a2a26f319f084c06bf242afba0a97c0893764e5eec05e14ff02212ab281a2"`
[INFO] running `"docker" "rm" "-f" "bf7a2a26f319f084c06bf242afba0a97c0893764e5eec05e14ff02212ab281a2"`
[INFO] [stdout] bf7a2a26f319f084c06bf242afba0a97c0893764e5eec05e14ff02212ab281a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/makutamoto/ttygraph:/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] aee7f277096624cb918aaf3036f5790a8488a4c0baba6dbefc8c7073c9ad5a61
[INFO] running `"docker" "start" "-a" "aee7f277096624cb918aaf3036f5790a8488a4c0baba6dbefc8c7073c9ad5a61"`
[INFO] [stderr]    Compiling ttygraph v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::f64`
[INFO] [stderr]    --> src/formula.rs:473:9
[INFO] [stderr]     |
[INFO] [stderr] 473 |     use std::f64;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `"docker" "inspect" "aee7f277096624cb918aaf3036f5790a8488a4c0baba6dbefc8c7073c9ad5a61"`
[INFO] running `"docker" "rm" "-f" "aee7f277096624cb918aaf3036f5790a8488a4c0baba6dbefc8c7073c9ad5a61"`
[INFO] [stdout] aee7f277096624cb918aaf3036f5790a8488a4c0baba6dbefc8c7073c9ad5a61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/makutamoto/ttygraph:/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] b3eddf3ab4964dfa5f5ac1c0cc2b00a54cf2f0d2fe43ff43c9441ca772b33fb6
[INFO] running `"docker" "start" "-a" "b3eddf3ab4964dfa5f5ac1c0cc2b00a54cf2f0d2fe43ff43c9441ca772b33fb6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ttygraph-5f5ea05839b96214
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test formula::test::test ... 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" "b3eddf3ab4964dfa5f5ac1c0cc2b00a54cf2f0d2fe43ff43c9441ca772b33fb6"`
[INFO] running `"docker" "rm" "-f" "b3eddf3ab4964dfa5f5ac1c0cc2b00a54cf2f0d2fe43ff43c9441ca772b33fb6"`
[INFO] [stdout] b3eddf3ab4964dfa5f5ac1c0cc2b00a54cf2f0d2fe43ff43c9441ca772b33fb6