[INFO] updating cached repository phongngtuan/st
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phongngtuan/st
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phongngtuan/st" "work/ex/beta-1.37-6/sources/1.36.0/gh/phongngtuan/st"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/phongngtuan/st'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phongngtuan/st" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phongngtuan/st"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phongngtuan/st'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 605167f52f8308cd9067973f0cd07c3e07fa3201
[INFO] sha for GitHub repo phongngtuan/st: 605167f52f8308cd9067973f0cd07c3e07fa3201
[INFO] validating manifest of phongngtuan/st 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 phongngtuan/st 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 phongngtuan/st
[INFO] finished frobbing phongngtuan/st
[INFO] frobbed toml for phongngtuan/st written to work/ex/beta-1.37-6/sources/1.36.0/gh/phongngtuan/st/Cargo.toml
[INFO] started frobbing phongngtuan/st
[INFO] finished frobbing phongngtuan/st
[INFO] frobbed toml for phongngtuan/st written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phongngtuan/st/Cargo.toml
[INFO] crate phongngtuan/st already has a lockfile, it will not be regenerated
[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 phongngtuan/st against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phongngtuan/st:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 96197e312a87c5e13ee02161db6f16581d9e3ed98bbc206e61d37a49125a8f8b
[INFO] running `"docker" "start" "-a" "96197e312a87c5e13ee02161db6f16581d9e3ed98bbc206e61d37a49125a8f8b"`
[INFO] [stderr]    Compiling st v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `M2` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     M2: f64, // M2 aggregates the squared distance from the mean
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `m2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "96197e312a87c5e13ee02161db6f16581d9e3ed98bbc206e61d37a49125a8f8b"`
[INFO] running `"docker" "rm" "-f" "96197e312a87c5e13ee02161db6f16581d9e3ed98bbc206e61d37a49125a8f8b"`
[INFO] [stdout] 96197e312a87c5e13ee02161db6f16581d9e3ed98bbc206e61d37a49125a8f8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phongngtuan/st:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] aab989691c768ad871d50dd912d86473af695ba00c2fc2ebd26d322bd5b09c51
[INFO] running `"docker" "start" "-a" "aab989691c768ad871d50dd912d86473af695ba00c2fc2ebd26d322bd5b09c51"`
[INFO] [stderr]    Compiling st v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `M2` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     M2: f64, // M2 aggregates the squared distance from the mean
[INFO] [stderr]    |     ^^ help: convert the identifier to snake case: `m2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "aab989691c768ad871d50dd912d86473af695ba00c2fc2ebd26d322bd5b09c51"`
[INFO] running `"docker" "rm" "-f" "aab989691c768ad871d50dd912d86473af695ba00c2fc2ebd26d322bd5b09c51"`
[INFO] [stdout] aab989691c768ad871d50dd912d86473af695ba00c2fc2ebd26d322bd5b09c51
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phongngtuan/st:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c790a8fd6fe8c2c84441a0c32d3211de07993a819c8cdd76813c5ced58079ce7
[INFO] running `"docker" "start" "-a" "c790a8fd6fe8c2c84441a0c32d3211de07993a819c8cdd76813c5ced58079ce7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/st-d07e0593a13a2d0d
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/st-0ecdfc482094ec1c
[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] [stderr]    Doc-tests st
[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" "c790a8fd6fe8c2c84441a0c32d3211de07993a819c8cdd76813c5ced58079ce7"`
[INFO] running `"docker" "rm" "-f" "c790a8fd6fe8c2c84441a0c32d3211de07993a819c8cdd76813c5ced58079ce7"`
[INFO] [stdout] c790a8fd6fe8c2c84441a0c32d3211de07993a819c8cdd76813c5ced58079ce7