[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/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/hannahellis4242/sudoku_solver"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/hannahellis4242/sudoku_solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hannahellis4242/sudoku_solver" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/hannahellis4242/sudoku_solver"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hannahellis4242/sudoku_solver on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hannahellis4242/sudoku_solver against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-3/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f8510252a023d793d42d5e5b360e83d49304873ce53730737d8dcd57f64b59c0 [INFO] running `"docker" "start" "-a" "f8510252a023d793d42d5e5b360e83d49304873ce53730737d8dcd57f64b59c0"` [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking want v0.0.4 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking jsonway v2.0.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking backtrace v0.3.30 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Compiling valico v2.4.2 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking hyper v0.11.27 [INFO] [stderr] Checking 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] 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 30.61s [INFO] running `"docker" "inspect" "f8510252a023d793d42d5e5b360e83d49304873ce53730737d8dcd57f64b59c0"` [INFO] running `"docker" "rm" "-f" "f8510252a023d793d42d5e5b360e83d49304873ce53730737d8dcd57f64b59c0"` [INFO] [stdout] f8510252a023d793d42d5e5b360e83d49304873ce53730737d8dcd57f64b59c0