[INFO] updating cached repository hannahellis4242/sudoku_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hannahellis4242/sudoku_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hannahellis4242/sudoku_solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hannahellis4242/sudoku_solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hannahellis4242/sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hannahellis4242/sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71a749e934a0d9f6b468f9e346303f18d6464372
[INFO] sha for GitHub repo hannahellis4242/sudoku_solver: 71a749e934a0d9f6b468f9e346303f18d6464372
[INFO] validating manifest of hannahellis4242/sudoku_solver 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 hannahellis4242/sudoku_solver 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 hannahellis4242/sudoku_solver
[INFO] finished frobbing hannahellis4242/sudoku_solver
[INFO] frobbed toml for hannahellis4242/sudoku_solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver/Cargo.toml
[INFO] started frobbing hannahellis4242/sudoku_solver
[INFO] finished frobbing hannahellis4242/sudoku_solver
[INFO] frobbed toml for hannahellis4242/sudoku_solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hannahellis4242/sudoku_solver/Cargo.toml
[INFO] crate hannahellis4242/sudoku_solver 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing hannahellis4242/sudoku_solver 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver:/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] eacb0e0e0fc83167189e6a83051bf501549c05c9d2aca6077039f06eb2d82694
[INFO] running `"docker" "start" "-a" "eacb0e0e0fc83167189e6a83051bf501549c05c9d2aca6077039f06eb2d82694"`
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling jsonway v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling valico v2.4.2
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling sudoku_solver2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `helper` is imported redundantly
[INFO] [stderr]   --> src/sudoku/mod.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | mod helper;
[INFO] [stderr]    | ----------- the item `helper` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 35 |     use sudoku::helper;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.53s
[INFO] running `"docker" "inspect" "eacb0e0e0fc83167189e6a83051bf501549c05c9d2aca6077039f06eb2d82694"`
[INFO] running `"docker" "rm" "-f" "eacb0e0e0fc83167189e6a83051bf501549c05c9d2aca6077039f06eb2d82694"`
[INFO] [stdout] eacb0e0e0fc83167189e6a83051bf501549c05c9d2aca6077039f06eb2d82694
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver:/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] 395e8c03d52efba068cdff17ec26679c27bf89ad04718819b0d3c9b181b5f031
[INFO] running `"docker" "start" "-a" "395e8c03d52efba068cdff17ec26679c27bf89ad04718819b0d3c9b181b5f031"`
[INFO] [stderr]    Compiling sudoku_solver2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `helper` is imported redundantly
[INFO] [stderr]   --> src/sudoku/mod.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | mod helper;
[INFO] [stderr]    | ----------- the item `helper` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 35 |     use sudoku::helper;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:153:23
[INFO] [stderr]     |
[INFO] [stderr] 153 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "395e8c03d52efba068cdff17ec26679c27bf89ad04718819b0d3c9b181b5f031"`
[INFO] running `"docker" "rm" "-f" "395e8c03d52efba068cdff17ec26679c27bf89ad04718819b0d3c9b181b5f031"`
[INFO] [stdout] 395e8c03d52efba068cdff17ec26679c27bf89ad04718819b0d3c9b181b5f031
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hannahellis4242/sudoku_solver:/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] 42c211bc6872ffe709113f0da708b81aaf01a35968831415bf2233c0c6ee1536
[INFO] running `"docker" "start" "-a" "42c211bc6872ffe709113f0da708b81aaf01a35968831415bf2233c0c6ee1536"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver2-3b49a3227a4e5a2a
[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" "42c211bc6872ffe709113f0da708b81aaf01a35968831415bf2233c0c6ee1536"`
[INFO] running `"docker" "rm" "-f" "42c211bc6872ffe709113f0da708b81aaf01a35968831415bf2233c0c6ee1536"`
[INFO] [stdout] 42c211bc6872ffe709113f0da708b81aaf01a35968831415bf2233c0c6ee1536