[INFO] crate linreg 0.1.3 is already in cache
[INFO] extracting crate linreg 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/linreg/0.1.3
[INFO] extracting crate linreg 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/linreg/0.1.3
[INFO] validating manifest of linreg-0.1.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of linreg-0.1.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing linreg-0.1.3
[INFO] finished frobbing linreg-0.1.3
[INFO] frobbed toml for linreg-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/linreg/0.1.3/Cargo.toml
[INFO] started frobbing linreg-0.1.3
[INFO] finished frobbing linreg-0.1.3
[INFO] frobbed toml for linreg-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/linreg/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing linreg-0.1.3 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/linreg/0.1.3:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ed446792277b82ab7374abf59a1e6775733bcafbe68492ef3e9df4a5b1c73afa
[INFO] running `"docker" "start" "-a" "ed446792277b82ab7374abf59a1e6775733bcafbe68492ef3e9df4a5b1c73afa"`
[INFO] [stderr]    Compiling linreg v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "ed446792277b82ab7374abf59a1e6775733bcafbe68492ef3e9df4a5b1c73afa"`
[INFO] running `"docker" "rm" "-f" "ed446792277b82ab7374abf59a1e6775733bcafbe68492ef3e9df4a5b1c73afa"`
[INFO] [stdout] ed446792277b82ab7374abf59a1e6775733bcafbe68492ef3e9df4a5b1c73afa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/linreg/0.1.3:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c9d3032b9db55d7d6dbbd5507ff1cff6c3131d86091f7cc77b397e8b38b04aa
[INFO] running `"docker" "start" "-a" "9c9d3032b9db55d7d6dbbd5507ff1cff6c3131d86091f7cc77b397e8b38b04aa"`
[INFO] [stderr]    Compiling linreg v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "9c9d3032b9db55d7d6dbbd5507ff1cff6c3131d86091f7cc77b397e8b38b04aa"`
[INFO] running `"docker" "rm" "-f" "9c9d3032b9db55d7d6dbbd5507ff1cff6c3131d86091f7cc77b397e8b38b04aa"`
[INFO] [stdout] 9c9d3032b9db55d7d6dbbd5507ff1cff6c3131d86091f7cc77b397e8b38b04aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/linreg/0.1.3:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3a13663a4abbed5ca85f0e60ca41a4429c7f54d6bd550861461dc8d8acfeb8fe
[INFO] running `"docker" "start" "-a" "3a13663a4abbed5ca85f0e60ca41a4429c7f54d6bd550861461dc8d8acfeb8fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linreg-5ebb4e1f0cc5c139
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test empty_set_has_no_mean ... ok
[INFO] [stdout] test simple_float_mean ... ok
[INFO] [stdout] test test_example_regression ... ok
[INFO] [stdout] test test_example_regression_of ... ok
[INFO] [stdout] test test_integer_regression ... ok
[INFO] [stdout] test simple_integer_mean ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linreg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... 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" "3a13663a4abbed5ca85f0e60ca41a4429c7f54d6bd550861461dc8d8acfeb8fe"`
[INFO] running `"docker" "rm" "-f" "3a13663a4abbed5ca85f0e60ca41a4429c7f54d6bd550861461dc8d8acfeb8fe"`
[INFO] [stdout] 3a13663a4abbed5ca85f0e60ca41a4429c7f54d6bd550861461dc8d8acfeb8fe