[INFO] cloning repository hannahellis4242/sudoku_solver
[INFO] running `"git" "clone" "--bare" "git://github.com/hannahellis4242/sudoku_solver.git" "work/cache/sources/gh/hannahellis4242/sudoku_solver"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/hannahellis4242/sudoku_solver'...
[INFO] running `"git" "clone" "work/cache/sources/gh/hannahellis4242/sudoku_solver" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hannahellis4242/sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/hannahellis4242/sudoku_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hannahellis4242/sudoku_solver" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/hannahellis4242/sudoku_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hannahellis4242/sudoku_solver on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded valico v2.4.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hannahellis4242/sudoku_solver against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] c6073d04e3d0ba46067c879f25250507d10eb6c3b356c8be3f46a19447ae655a
[INFO] running `"docker" "start" "-a" "c6073d04e3d0ba46067c879f25250507d10eb6c3b356c8be3f46a19447ae655a"`
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling jsonway v2.0.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling valico v2.4.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[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 publicsuffix v1.5.2
[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 55.63s
[INFO] running `"docker" "inspect" "c6073d04e3d0ba46067c879f25250507d10eb6c3b356c8be3f46a19447ae655a"`
[INFO] running `"docker" "rm" "-f" "c6073d04e3d0ba46067c879f25250507d10eb6c3b356c8be3f46a19447ae655a"`
[INFO] [stdout] c6073d04e3d0ba46067c879f25250507d10eb6c3b356c8be3f46a19447ae655a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ad8591b76232f0f6a8447a4c7bfef12b7f9adb938c45b31a4d3633f5ea82f0d
[INFO] running `"docker" "start" "-a" "1ad8591b76232f0f6a8447a4c7bfef12b7f9adb938c45b31a4d3633f5ea82f0d"`
[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 1.51s
[INFO] running `"docker" "inspect" "1ad8591b76232f0f6a8447a4c7bfef12b7f9adb938c45b31a4d3633f5ea82f0d"`
[INFO] running `"docker" "rm" "-f" "1ad8591b76232f0f6a8447a4c7bfef12b7f9adb938c45b31a4d3633f5ea82f0d"`
[INFO] [stdout] 1ad8591b76232f0f6a8447a4c7bfef12b7f9adb938c45b31a4d3633f5ea82f0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] e24c9f3aed6efb4731c49a30ef5e5fc32170c84a7b39763fd0a483ab0ab3c88d
[INFO] running `"docker" "start" "-a" "e24c9f3aed6efb4731c49a30ef5e5fc32170c84a7b39763fd0a483ab0ab3c88d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver2-58615ce400f8fb78
[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" "e24c9f3aed6efb4731c49a30ef5e5fc32170c84a7b39763fd0a483ab0ab3c88d"`
[INFO] running `"docker" "rm" "-f" "e24c9f3aed6efb4731c49a30ef5e5fc32170c84a7b39763fd0a483ab0ab3c88d"`
[INFO] [stdout] e24c9f3aed6efb4731c49a30ef5e5fc32170c84a7b39763fd0a483ab0ab3c88d