[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ce773376b533a700a829f4d7acc8a32ddbfd77a372bd6a3ede9ae4058fdb7962
[INFO] running `"docker" "start" "-a" "ce773376b533a700a829f4d7acc8a32ddbfd77a372bd6a3ede9ae4058fdb7962"`
[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 1.84s
[INFO] running `"docker" "inspect" "ce773376b533a700a829f4d7acc8a32ddbfd77a372bd6a3ede9ae4058fdb7962"`
[INFO] running `"docker" "rm" "-f" "ce773376b533a700a829f4d7acc8a32ddbfd77a372bd6a3ede9ae4058fdb7962"`
[INFO] [stdout] ce773376b533a700a829f4d7acc8a32ddbfd77a372bd6a3ede9ae4058fdb7962
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 33359a2a5b64e266e129020cdfdf969baeda2d5d2e78bb8cd0bbe7e8e2fe8b3f
[INFO] running `"docker" "start" "-a" "33359a2a5b64e266e129020cdfdf969baeda2d5d2e78bb8cd0bbe7e8e2fe8b3f"`
[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 0.79s
[INFO] running `"docker" "inspect" "33359a2a5b64e266e129020cdfdf969baeda2d5d2e78bb8cd0bbe7e8e2fe8b3f"`
[INFO] running `"docker" "rm" "-f" "33359a2a5b64e266e129020cdfdf969baeda2d5d2e78bb8cd0bbe7e8e2fe8b3f"`
[INFO] [stdout] 33359a2a5b64e266e129020cdfdf969baeda2d5d2e78bb8cd0bbe7e8e2fe8b3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f8d6595917c6dad5bc35c9dbbc270facf7457f4d9f1debd0ff2e3a14b259a71b
[INFO] running `"docker" "start" "-a" "f8d6595917c6dad5bc35c9dbbc270facf7457f4d9f1debd0ff2e3a14b259a71b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/st-cae3cca0b11c5601
[INFO] [stderr]      Running /opt/crater/target/debug/deps/st-735372a63644679f
[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] [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" "f8d6595917c6dad5bc35c9dbbc270facf7457f4d9f1debd0ff2e3a14b259a71b"`
[INFO] running `"docker" "rm" "-f" "f8d6595917c6dad5bc35c9dbbc270facf7457f4d9f1debd0ff2e3a14b259a71b"`
[INFO] [stdout] f8d6595917c6dad5bc35c9dbbc270facf7457f4d9f1debd0ff2e3a14b259a71b