[INFO] updating cached repository Luminiscental/diff_func
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Luminiscental/diff_func
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Luminiscental/diff_func" "work/ex/beta-1.38-1/sources/1.37.0/gh/Luminiscental/diff_func"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Luminiscental/diff_func'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Luminiscental/diff_func" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Luminiscental/diff_func"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Luminiscental/diff_func'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96b979e67308d5f9e9ad800489614b92f700de27
[INFO] sha for GitHub repo Luminiscental/diff_func: 96b979e67308d5f9e9ad800489614b92f700de27
[INFO] validating manifest of Luminiscental/diff_func 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 Luminiscental/diff_func 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 Luminiscental/diff_func
[INFO] finished frobbing Luminiscental/diff_func
[INFO] frobbed toml for Luminiscental/diff_func written to work/ex/beta-1.38-1/sources/1.37.0/gh/Luminiscental/diff_func/Cargo.toml
[INFO] started frobbing Luminiscental/diff_func
[INFO] finished frobbing Luminiscental/diff_func
[INFO] frobbed toml for Luminiscental/diff_func written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Luminiscental/diff_func/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 Luminiscental/diff_func 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Luminiscental/diff_func:/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] 3b5380b5cd1bb78515cad4782b4bfed6667aa10c26bf28cf11c03753c080b978
[INFO] running `"docker" "start" "-a" "3b5380b5cd1bb78515cad4782b4bfed6667aa10c26bf28cf11c03753c080b978"`
[INFO] [stderr]    Compiling diff_func v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl FunctionTrait {
[INFO] [stderr]    |      ^^^^^^^^^^^^^ help: use `dyn`: `dyn FunctionTrait`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "3b5380b5cd1bb78515cad4782b4bfed6667aa10c26bf28cf11c03753c080b978"`
[INFO] running `"docker" "rm" "-f" "3b5380b5cd1bb78515cad4782b4bfed6667aa10c26bf28cf11c03753c080b978"`
[INFO] [stdout] 3b5380b5cd1bb78515cad4782b4bfed6667aa10c26bf28cf11c03753c080b978
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Luminiscental/diff_func:/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] 21b009ecd95fca849197ddf2722f552ff65aecefdf091c7fbc7822f8a7e94ca9
[INFO] running `"docker" "start" "-a" "21b009ecd95fca849197ddf2722f552ff65aecefdf091c7fbc7822f8a7e94ca9"`
[INFO] [stderr]    Compiling diff_func v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl FunctionTrait {
[INFO] [stderr]    |      ^^^^^^^^^^^^^ help: use `dyn`: `dyn FunctionTrait`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "21b009ecd95fca849197ddf2722f552ff65aecefdf091c7fbc7822f8a7e94ca9"`
[INFO] running `"docker" "rm" "-f" "21b009ecd95fca849197ddf2722f552ff65aecefdf091c7fbc7822f8a7e94ca9"`
[INFO] [stdout] 21b009ecd95fca849197ddf2722f552ff65aecefdf091c7fbc7822f8a7e94ca9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Luminiscental/diff_func:/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] 3a34cab21c053936ea5fe25495fc17e4b85520650cf5609e4258f4926d57b598
[INFO] running `"docker" "start" "-a" "3a34cab21c053936ea5fe25495fc17e4b85520650cf5609e4258f4926d57b598"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diff_func-d55f59d8419c35a6
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::eval_const ... ok
[INFO] [stdout] test test::eval_cos ... ok
[INFO] [stdout] test test::eval_comp ... ok
[INFO] [stdout] test test::eval_neg ... ok
[INFO] [stdout] test test::eval_mul ... ok
[INFO] [stdout] test test::eval_log ... ok
[INFO] [stdout] test test::eval_sin ... ok
[INFO] [stdout] test test::eval_sum ... ok
[INFO] [stdout] test test::eval_expand ... ok
[INFO] [stdout] test test::eval_id ... ok
[INFO] [stdout] test test::eval_exp ... ok
[INFO] [stdout] test test::eval_div ... ok
[INFO] [stdout] test test::eval_diff ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/diff_func-02e5928cd68066f3
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diff_func
[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] [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" "3a34cab21c053936ea5fe25495fc17e4b85520650cf5609e4258f4926d57b598"`
[INFO] running `"docker" "rm" "-f" "3a34cab21c053936ea5fe25495fc17e4b85520650cf5609e4258f4926d57b598"`
[INFO] [stdout] 3a34cab21c053936ea5fe25495fc17e4b85520650cf5609e4258f4926d57b598