[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-1.38-1/sources/1.37.0/gh/phongngtuan/st"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phongngtuan/st'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phongngtuan/st" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phongngtuan/st"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phongngtuan/st 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 phongngtuan/st
[INFO] finished frobbing phongngtuan/st
[INFO] frobbed toml for phongngtuan/st written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 phongngtuan/st 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 96aeead0b3c10a00c9e4b1bf4cfa20444c65c0afa598b273f45e3913485dd3cf
[INFO] running `"docker" "start" "-a" "96aeead0b3c10a00c9e4b1bf4cfa20444c65c0afa598b273f45e3913485dd3cf"`
[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 1.46s
[INFO] running `"docker" "inspect" "96aeead0b3c10a00c9e4b1bf4cfa20444c65c0afa598b273f45e3913485dd3cf"`
[INFO] running `"docker" "rm" "-f" "96aeead0b3c10a00c9e4b1bf4cfa20444c65c0afa598b273f45e3913485dd3cf"`
[INFO] [stdout] 96aeead0b3c10a00c9e4b1bf4cfa20444c65c0afa598b273f45e3913485dd3cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d008c36b67ea5eaa030d66c90b3aa6e0657dd401107097fb345819b41b7ce8e8
[INFO] running `"docker" "start" "-a" "d008c36b67ea5eaa030d66c90b3aa6e0657dd401107097fb345819b41b7ce8e8"`
[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 0.87s
[INFO] running `"docker" "inspect" "d008c36b67ea5eaa030d66c90b3aa6e0657dd401107097fb345819b41b7ce8e8"`
[INFO] running `"docker" "rm" "-f" "d008c36b67ea5eaa030d66c90b3aa6e0657dd401107097fb345819b41b7ce8e8"`
[INFO] [stdout] d008c36b67ea5eaa030d66c90b3aa6e0657dd401107097fb345819b41b7ce8e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e8d595e335713007c75ae58c4fe7e6ea4f65dc01565762af68fd892e4e8e9a2d
[INFO] running `"docker" "start" "-a" "e8d595e335713007c75ae58c4fe7e6ea4f65dc01565762af68fd892e4e8e9a2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/st-191350409daaed09
[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] [stderr]      Running /opt/crater/target/debug/deps/st-012ce8e0569b8aa5
[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] [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" "e8d595e335713007c75ae58c4fe7e6ea4f65dc01565762af68fd892e4e8e9a2d"`
[INFO] running `"docker" "rm" "-f" "e8d595e335713007c75ae58c4fe7e6ea4f65dc01565762af68fd892e4e8e9a2d"`
[INFO] [stdout] e8d595e335713007c75ae58c4fe7e6ea4f65dc01565762af68fd892e4e8e9a2d