[INFO] cloning repository https://github.com/timwee/adventofcode2021_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timwee/adventofcode2021_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60eb5fb62cdaabd0a84266fbf23ef55ab390cd51 [INFO] checking timwee/adventofcode2021_rust against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timwee/adventofcode2021_rust on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/timwee/adventofcode2021_rust [INFO] finished tweaking git repo https://github.com/timwee/adventofcode2021_rust [INFO] tweaked toml for git repo https://github.com/timwee/adventofcode2021_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/timwee/adventofcode2021_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded circular-queue v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff50481e9f01f1ba7497021ff13694157eab8b1d28ed8fbeb2a3a23f87728557 [INFO] running `Command { std: "docker" "start" "-a" "ff50481e9f01f1ba7497021ff13694157eab8b1d28ed8fbeb2a3a23f87728557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff50481e9f01f1ba7497021ff13694157eab8b1d28ed8fbeb2a3a23f87728557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff50481e9f01f1ba7497021ff13694157eab8b1d28ed8fbeb2a3a23f87728557", kill_on_drop: false }` [INFO] [stdout] ff50481e9f01f1ba7497021ff13694157eab8b1d28ed8fbeb2a3a23f87728557 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40f17f901dfaf021181117b413d329f65e77bee91deabc8506d13021dc5c55eb [INFO] running `Command { std: "docker" "start" "-a" "40f17f901dfaf021181117b413d329f65e77bee91deabc8506d13021dc5c55eb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/regex_syntax-2f2adb2391b4d931.d`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `autocfg` (lib) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `version_check` (lib) [INFO] [stderr] error: could not compile `regex-syntax` (lib) due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcEfFlpI/symbols.o" "/opt/rustwide/target/debug/build/memchr-3eab5e05fa66807d/build_script_build-3eab5e05fa66807d.build_script_build.91d049233acc7460-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/memchr-3eab5e05fa66807d/build_script_build-3eab5e05fa66807d.3v08afxu6a1tbjit.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9579298f7adeed43.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-30ebcfe9aa7a4196.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-447055add1ba8c49.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d5850394f5e88a83.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-2f44910628f7ca43.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3dd11e65597a5ea4.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d165f4a7abbb9616.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-3781141152ab7425.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5040104958e026fe.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5437a8743ef2c818.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d68ee5585c16f3ee.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-366f17269992a057.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cdbf121704652761.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-63a7ba8ec01639e9.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-58a6a8f1c6263bc9.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5b4c158c083efc1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/memchr-3eab5e05fa66807d/build_script_build-3eab5e05fa66807d" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: final link failed: No space left on device [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `memchr` (build script) due to 1 previous error [INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/itertools-68e0e390ccefa061.d`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `itertools` (lib) due to 1 previous error [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetal45MMw" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `matrixmultiply` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "40f17f901dfaf021181117b413d329f65e77bee91deabc8506d13021dc5c55eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40f17f901dfaf021181117b413d329f65e77bee91deabc8506d13021dc5c55eb", kill_on_drop: false }` [INFO] [stdout] 40f17f901dfaf021181117b413d329f65e77bee91deabc8506d13021dc5c55eb [INFO] checking timwee/adventofcode2021_rust against try#311f8b6ca41358db8ae08490a9ca0916f11e9de3 for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timwee/adventofcode2021_rust on toolchain 311f8b6ca41358db8ae08490a9ca0916f11e9de3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/timwee/adventofcode2021_rust [INFO] finished tweaking git repo https://github.com/timwee/adventofcode2021_rust [INFO] tweaked toml for git repo https://github.com/timwee/adventofcode2021_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/timwee/adventofcode2021_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 786454af65bdf62fd47b74260ffb95f5ef01748a32c80a00b186df876ecd1c14 [INFO] running `Command { std: "docker" "start" "-a" "786454af65bdf62fd47b74260ffb95f5ef01748a32c80a00b186df876ecd1c14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "786454af65bdf62fd47b74260ffb95f5ef01748a32c80a00b186df876ecd1c14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "786454af65bdf62fd47b74260ffb95f5ef01748a32c80a00b186df876ecd1c14", kill_on_drop: false }` [INFO] [stdout] 786454af65bdf62fd47b74260ffb95f5ef01748a32c80a00b186df876ecd1c14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6485014baddf58374783c60bb7be36550a0680d25ea43059dddd40c22fdd9602 [INFO] running `Command { std: "docker" "start" "-a" "6485014baddf58374783c60bb7be36550a0680d25ea43059dddd40c22fdd9602", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling circular-queue v0.2.6 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking adventofcode2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/bin/day3.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/day5.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | for caps in RE.captures(s) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 17 | while let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 17 | if let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/day9.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord(usize, usize); [INFO] [stdout] | ----- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Coord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/day9.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord(usize, usize); [INFO] [stdout] | ----- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Coord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/bin/day3.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/day5.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | for caps in RE.captures(s) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 17 | while let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 17 | if let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s [INFO] running `Command { std: "docker" "inspect" "6485014baddf58374783c60bb7be36550a0680d25ea43059dddd40c22fdd9602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6485014baddf58374783c60bb7be36550a0680d25ea43059dddd40c22fdd9602", kill_on_drop: false }` [INFO] [stdout] 6485014baddf58374783c60bb7be36550a0680d25ea43059dddd40c22fdd9602