[INFO] updating cached repository mkolas/rust-kmeans
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkolas/rust-kmeans
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkolas/rust-kmeans" "work/ex/beta-1.37-6/sources/1.36.0/gh/mkolas/rust-kmeans"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mkolas/rust-kmeans'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkolas/rust-kmeans" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkolas/rust-kmeans"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkolas/rust-kmeans'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 864b0d79e8b11ceb43508c8b61a118f067dcd18a
[INFO] sha for GitHub repo mkolas/rust-kmeans: 864b0d79e8b11ceb43508c8b61a118f067dcd18a
[INFO] validating manifest of mkolas/rust-kmeans 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 mkolas/rust-kmeans 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 mkolas/rust-kmeans
[INFO] finished frobbing mkolas/rust-kmeans
[INFO] frobbed toml for mkolas/rust-kmeans written to work/ex/beta-1.37-6/sources/1.36.0/gh/mkolas/rust-kmeans/Cargo.toml
[INFO] started frobbing mkolas/rust-kmeans
[INFO] finished frobbing mkolas/rust-kmeans
[INFO] frobbed toml for mkolas/rust-kmeans written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkolas/rust-kmeans/Cargo.toml
[INFO] crate mkolas/rust-kmeans 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mkolas/rust-kmeans/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mkolas/rust-kmeans 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/mkolas/rust-kmeans:/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] 5441b5218ee3f362e60dd901d1ea4c770332e88a6cd94382a1c18144de8156a0
[INFO] running `"docker" "start" "-a" "5441b5218ee3f362e60dd901d1ea4c770332e88a6cd94382a1c18144de8156a0"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling rust-kmeans v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:115:44
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gain`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn gain(&self, i: usize) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "5441b5218ee3f362e60dd901d1ea4c770332e88a6cd94382a1c18144de8156a0"`
[INFO] running `"docker" "rm" "-f" "5441b5218ee3f362e60dd901d1ea4c770332e88a6cd94382a1c18144de8156a0"`
[INFO] [stdout] 5441b5218ee3f362e60dd901d1ea4c770332e88a6cd94382a1c18144de8156a0
[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/mkolas/rust-kmeans:/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] 3ac8f085520133db87b87cc4b91c9f16a971259020b72a0c4391f2db54ac2ac1
[INFO] running `"docker" "start" "-a" "3ac8f085520133db87b87cc4b91c9f16a971259020b72a0c4391f2db54ac2ac1"`
[INFO] [stderr]    Compiling rust-kmeans v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:115:44
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn get_first_arg() -> Result<OsString, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gain`
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn gain(&self, i: usize) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "3ac8f085520133db87b87cc4b91c9f16a971259020b72a0c4391f2db54ac2ac1"`
[INFO] running `"docker" "rm" "-f" "3ac8f085520133db87b87cc4b91c9f16a971259020b72a0c4391f2db54ac2ac1"`
[INFO] [stdout] 3ac8f085520133db87b87cc4b91c9f16a971259020b72a0c4391f2db54ac2ac1
[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/mkolas/rust-kmeans:/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] 44b25173557217bd76b63855f3084db83cd2fe459d0b815354e71e08df9fadb8
[INFO] running `"docker" "start" "-a" "44b25173557217bd76b63855f3084db83cd2fe459d0b815354e71e08df9fadb8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_kmeans-c7e6302b6723e930
[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" "44b25173557217bd76b63855f3084db83cd2fe459d0b815354e71e08df9fadb8"`
[INFO] running `"docker" "rm" "-f" "44b25173557217bd76b63855f3084db83cd2fe459d0b815354e71e08df9fadb8"`
[INFO] [stdout] 44b25173557217bd76b63855f3084db83cd2fe459d0b815354e71e08df9fadb8