[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 try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] b414e9a7a311ef2cf3a9c534e0579a8fcdd18b61c2744db0ce4f5ab643a4d637 [INFO] running `"docker" "start" "-a" "b414e9a7a311ef2cf3a9c534e0579a8fcdd18b61c2744db0ce4f5ab643a4d637"` [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling tokio-trace-core v0.2.0 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Compiling error-chain v0.12.1 [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 iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling jsonway v2.0.0 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling tokio-executor v0.1.7 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling valico v2.4.2 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-fs v0.1.6 [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 publicsuffix v1.5.2 [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>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 20s [INFO] running `"docker" "inspect" "b414e9a7a311ef2cf3a9c534e0579a8fcdd18b61c2744db0ce4f5ab643a4d637"` [INFO] running `"docker" "rm" "-f" "b414e9a7a311ef2cf3a9c534e0579a8fcdd18b61c2744db0ce4f5ab643a4d637"` [INFO] [stdout] b414e9a7a311ef2cf3a9c534e0579a8fcdd18b61c2744db0ce4f5ab643a4d637 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 47354094c343b7ff0229da48b1b58bc31ee9efb601786ada62c7c8f5412afff7 [INFO] running `"docker" "start" "-a" "47354094c343b7ff0229da48b1b58bc31ee9efb601786ada62c7c8f5412afff7"` [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>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `"docker" "inspect" "47354094c343b7ff0229da48b1b58bc31ee9efb601786ada62c7c8f5412afff7"` [INFO] running `"docker" "rm" "-f" "47354094c343b7ff0229da48b1b58bc31ee9efb601786ada62c7c8f5412afff7"` [INFO] [stdout] 47354094c343b7ff0229da48b1b58bc31ee9efb601786ada62c7c8f5412afff7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 1d0e598b5b5c3f5fb0cc2698517da97fec3eab0126b8f6e7d38d3852f0d70642 [INFO] running `"docker" "start" "-a" "1d0e598b5b5c3f5fb0cc2698517da97fec3eab0126b8f6e7d38d3852f0d70642"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/crater/target/debug/deps/sudoku_solver2-a7f23d2b7bbef214 [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" "1d0e598b5b5c3f5fb0cc2698517da97fec3eab0126b8f6e7d38d3852f0d70642"` [INFO] running `"docker" "rm" "-f" "1d0e598b5b5c3f5fb0cc2698517da97fec3eab0126b8f6e7d38d3852f0d70642"` [INFO] [stdout] 1d0e598b5b5c3f5fb0cc2698517da97fec3eab0126b8f6e7d38d3852f0d70642