[INFO] updating cached repository velvetops/autodiff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/velvetops/autodiff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/velvetops/autodiff" "work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/autodiff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/autodiff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/velvetops/autodiff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/velvetops/autodiff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/velvetops/autodiff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b56b580927f2eb593cd1f82426e70e82ef9c6d39
[INFO] sha for GitHub repo velvetops/autodiff: b56b580927f2eb593cd1f82426e70e82ef9c6d39
[INFO] validating manifest of velvetops/autodiff 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 velvetops/autodiff 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 velvetops/autodiff
[INFO] finished frobbing velvetops/autodiff
[INFO] frobbed toml for velvetops/autodiff written to work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/autodiff/Cargo.toml
[INFO] started frobbing velvetops/autodiff
[INFO] finished frobbing velvetops/autodiff
[INFO] frobbed toml for velvetops/autodiff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/velvetops/autodiff/Cargo.toml
[INFO] crate velvetops/autodiff 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 velvetops/autodiff 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/autodiff:/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] 6befd93ebb543e01ded915fd4434c90d49a10779fc60f4d1e82ba5f9a6b31ed9
[INFO] running `"docker" "start" "-a" "6befd93ebb543e01ded915fd4434c90d49a10779fc60f4d1e82ba5f9a6b31ed9"`
[INFO] [stderr]    Compiling autodiff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "6befd93ebb543e01ded915fd4434c90d49a10779fc60f4d1e82ba5f9a6b31ed9"`
[INFO] running `"docker" "rm" "-f" "6befd93ebb543e01ded915fd4434c90d49a10779fc60f4d1e82ba5f9a6b31ed9"`
[INFO] [stdout] 6befd93ebb543e01ded915fd4434c90d49a10779fc60f4d1e82ba5f9a6b31ed9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/autodiff:/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] fd64b7d0f61e78db233007bf483ae574fae821332e1fe4f5e6b71c6eff60de57
[INFO] running `"docker" "start" "-a" "fd64b7d0f61e78db233007bf483ae574fae821332e1fe4f5e6b71c6eff60de57"`
[INFO] [stderr]    Compiling autodiff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "fd64b7d0f61e78db233007bf483ae574fae821332e1fe4f5e6b71c6eff60de57"`
[INFO] running `"docker" "rm" "-f" "fd64b7d0f61e78db233007bf483ae574fae821332e1fe4f5e6b71c6eff60de57"`
[INFO] [stdout] fd64b7d0f61e78db233007bf483ae574fae821332e1fe4f5e6b71c6eff60de57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/velvetops/autodiff:/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] d169265058fc9af264ad0dc3b642f54a0113b3af4f5f1d49284d7898710d0db1
[INFO] running `"docker" "start" "-a" "d169265058fc9af264ad0dc3b642f54a0113b3af4f5f1d49284d7898710d0db1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/autodiff-446500ac475807fc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_exp ... ok
[INFO] [stderr]    Doc-tests autodiff
[INFO] [stdout] test tests::test_polynomial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "d169265058fc9af264ad0dc3b642f54a0113b3af4f5f1d49284d7898710d0db1"`
[INFO] running `"docker" "rm" "-f" "d169265058fc9af264ad0dc3b642f54a0113b3af4f5f1d49284d7898710d0db1"`
[INFO] [stdout] d169265058fc9af264ad0dc3b642f54a0113b3af4f5f1d49284d7898710d0db1