[INFO] updating cached repository uberblah/rust-simple-regression-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/uberblah/rust-simple-regression-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/uberblah/rust-simple-regression-example" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/uberblah/rust-simple-regression-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/uberblah/rust-simple-regression-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/uberblah/rust-simple-regression-example" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/uberblah/rust-simple-regression-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/uberblah/rust-simple-regression-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2d6b864f0800c8894355f594fa5590400759193
[INFO] sha for GitHub repo uberblah/rust-simple-regression-example: c2d6b864f0800c8894355f594fa5590400759193
[INFO] validating manifest of uberblah/rust-simple-regression-example on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uberblah/rust-simple-regression-example on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uberblah/rust-simple-regression-example
[INFO] finished frobbing uberblah/rust-simple-regression-example
[INFO] frobbed toml for uberblah/rust-simple-regression-example written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/uberblah/rust-simple-regression-example/Cargo.toml
[INFO] started frobbing uberblah/rust-simple-regression-example
[INFO] finished frobbing uberblah/rust-simple-regression-example
[INFO] frobbed toml for uberblah/rust-simple-regression-example written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/uberblah/rust-simple-regression-example/Cargo.toml
[INFO] crate uberblah/rust-simple-regression-example has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing uberblah/rust-simple-regression-example against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/uberblah/rust-simple-regression-example:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] bb828e86c82162722206b76fe31190d5e6a7acb92e9f7dca212f97337a0d1dde
[INFO] running `"docker" "start" "-a" "bb828e86c82162722206b76fe31190d5e6a7acb92e9f7dca212f97337a0d1dde"`
[INFO] [stderr]    Compiling rustreg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "bb828e86c82162722206b76fe31190d5e6a7acb92e9f7dca212f97337a0d1dde"`
[INFO] running `"docker" "rm" "-f" "bb828e86c82162722206b76fe31190d5e6a7acb92e9f7dca212f97337a0d1dde"`
[INFO] [stdout] bb828e86c82162722206b76fe31190d5e6a7acb92e9f7dca212f97337a0d1dde
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/uberblah/rust-simple-regression-example:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] efe5f9ce1afb6ba0fe1173dd2cfb7d7896bd04fd38d626520782d673907ccfb9
[INFO] running `"docker" "start" "-a" "efe5f9ce1afb6ba0fe1173dd2cfb7d7896bd04fd38d626520782d673907ccfb9"`
[INFO] [stderr]    Compiling rustreg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "efe5f9ce1afb6ba0fe1173dd2cfb7d7896bd04fd38d626520782d673907ccfb9"`
[INFO] running `"docker" "rm" "-f" "efe5f9ce1afb6ba0fe1173dd2cfb7d7896bd04fd38d626520782d673907ccfb9"`
[INFO] [stdout] efe5f9ce1afb6ba0fe1173dd2cfb7d7896bd04fd38d626520782d673907ccfb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/uberblah/rust-simple-regression-example:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] f74a9301ebbf99fae405fbd0b0195815ddb1e0d614b8f0c86a789eae37e08e30
[INFO] running `"docker" "start" "-a" "f74a9301ebbf99fae405fbd0b0195815ddb1e0d614b8f0c86a789eae37e08e30"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustreg-fc151d51a51974b4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustreg-9d011ddf5b5d610e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_mse ... ok
[INFO] [stdout] test noise_properties ... ok
[INFO] [stderr]    Doc-tests rustreg
[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" "f74a9301ebbf99fae405fbd0b0195815ddb1e0d614b8f0c86a789eae37e08e30"`
[INFO] running `"docker" "rm" "-f" "f74a9301ebbf99fae405fbd0b0195815ddb1e0d614b8f0c86a789eae37e08e30"`
[INFO] [stdout] f74a9301ebbf99fae405fbd0b0195815ddb1e0d614b8f0c86a789eae37e08e30