[INFO] fetching crate cmaze 0.6.2...
[INFO] checking cmaze-0.6.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate cmaze 0.6.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cmaze 0.6.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmaze 0.6.2
[INFO] finished tweaking crates.io crate cmaze 0.6.2
[INFO] tweaked toml for crates.io crate cmaze 0.6.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-core v0.53.0
[INFO] [stderr]   Downloaded generator v0.7.6
[INFO] [stderr]   Downloaded pausable_clock v1.0.1
[INFO] [stderr]   Downloaded windows-result v0.1.0
[INFO] [stderr]   Downloaded windows v0.53.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5065f34beb3bce3ccd4295d4cb04c056ab28139df5416826ddafd9c0596bdb20
[INFO] running `Command { std: "docker" "start" "-a" "5065f34beb3bce3ccd4295d4cb04c056ab28139df5416826ddafd9c0596bdb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5065f34beb3bce3ccd4295d4cb04c056ab28139df5416826ddafd9c0596bdb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5065f34beb3bce3ccd4295d4cb04c056ab28139df5416826ddafd9c0596bdb20", kill_on_drop: false }`
[INFO] [stdout] 5065f34beb3bce3ccd4295d4cb04c056ab28139df5416826ddafd9c0596bdb20
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4dbf71494ee8a4459d590e5d0f8e4e7845fc69eed13f168c7fee907406cade
[INFO] running `Command { std: "docker" "start" "-a" "ca4dbf71494ee8a4459d590e5d0f8e4e7845fc69eed13f168c7fee907406cade", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking pausable_clock v1.0.1
[INFO] [stderr]     Checking cmaze v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `hashbrown`
[INFO] [stdout]    --> benches/kruskals.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     use hashbrown::HashSet;
[INFO] [stdout]     |                         ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmaze` (bench "kruskals") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ca4dbf71494ee8a4459d590e5d0f8e4e7845fc69eed13f168c7fee907406cade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4dbf71494ee8a4459d590e5d0f8e4e7845fc69eed13f168c7fee907406cade", kill_on_drop: false }`
[INFO] [stdout] ca4dbf71494ee8a4459d590e5d0f8e4e7845fc69eed13f168c7fee907406cade
[INFO] checking cmaze-0.6.2 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate cmaze 0.6.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cmaze 0.6.2 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmaze 0.6.2
[INFO] finished tweaking crates.io crate cmaze 0.6.2
[INFO] tweaked toml for crates.io crate cmaze 0.6.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 780de0ee5ff5471d7fc26f86a418cb9eb133a5d2ef3a199bbe83c42c4b6773f3
[INFO] running `Command { std: "docker" "start" "-a" "780de0ee5ff5471d7fc26f86a418cb9eb133a5d2ef3a199bbe83c42c4b6773f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780de0ee5ff5471d7fc26f86a418cb9eb133a5d2ef3a199bbe83c42c4b6773f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780de0ee5ff5471d7fc26f86a418cb9eb133a5d2ef3a199bbe83c42c4b6773f3", kill_on_drop: false }`
[INFO] [stdout] 780de0ee5ff5471d7fc26f86a418cb9eb133a5d2ef3a199bbe83c42c4b6773f3
[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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df0adfe84e187aa01837cdb5aef868efec3122c46e996104e1d63870c8a6c041
[INFO] running `Command { std: "docker" "start" "-a" "df0adfe84e187aa01837cdb5aef868efec3122c46e996104e1d63870c8a6c041", kill_on_drop: false }`
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking pausable_clock v1.0.1
[INFO] [stderr]     Checking cmaze v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/depth_first_search.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         for z in 0..d {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/depth_first_search.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |             for y in 0..h {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/depth_first_search.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 for x in 0..w {
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for z in 0..d {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |             for y in 0..h {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 for x in 0..w {
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 for ix in 0..row.len() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         for iz in 0..cells.len() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |             for iy in 0..cells[0].len() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 for ix in 0..cells[0][0].len() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     for floor in 0..du - 1 {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let (x, y) = (thread_rng().gen_range(0..wu), thread_rng().gen_range(0..hu));
[INFO] [stdout]     |                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:103:93
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let (x, y) = (thread_rng().gen_range(0..wu), thread_rng().gen_range(0..hu));
[INFO] [stdout]     |                                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:167:14
[INFO] [stdout]     |
[INFO] [stdout] 167 |             (0..du)
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (0..du)
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/depth_first_search.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         for z in 0..d {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/depth_first_search.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |             for y in 0..h {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/depth_first_search.rs:35:26
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 for x in 0..w {
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for z in 0..d {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |             for y in 0..h {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 for x in 0..w {
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 for ix in 0..row.len() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         for iz in 0..cells.len() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |             for iy in 0..cells[0].len() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/gameboard/algorithms/rnd_kruskals.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 for ix in 0..cells[0][0].len() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     for floor in 0..du - 1 {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let (x, y) = (thread_rng().gen_range(0..wu), thread_rng().gen_range(0..hu));
[INFO] [stdout]     |                                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:103:93
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let (x, y) = (thread_rng().gen_range(0..wu), thread_rng().gen_range(0..hu));
[INFO] [stdout]     |                                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:167:14
[INFO] [stdout]     |
[INFO] [stdout] 167 |             (0..du)
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/gameboard/algorithms/mod.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (0..du)
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hashbrown`
[INFO] [stdout]    --> benches/kruskals.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     use hashbrown::HashSet;
[INFO] [stdout]     |                         ^^^^^^^^^ use of undeclared crate or module `hashbrown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/kruskals.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     for z in 0..d {
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/kruskals.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |                         for y in 0..h {
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/kruskals.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   for x in 0..w {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> benches/kruskals.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 | ...                   for ix in 0..row.len() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:100:31
[INFO] [stdout]     |
[INFO] [stdout] 100 |                     for iz in 0..cells.len() {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:101:35
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         for iy in 0..cells[0].len() {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   for ix in 0..cells[0][0].len() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:179:30
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     for z in 0..d {
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:180:34
[INFO] [stdout]     |
[INFO] [stdout] 180 |                         for y in 0..h {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 | ...                   for x in 0..w {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:192:39
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   for ix in 0..row.len() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:209:31
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     for iz in 0..cells.len() {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:210:35
[INFO] [stdout]     |
[INFO] [stdout] 210 |                         for iy in 0..cells[0].len() {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> benches/kruskals.rs:211:39
[INFO] [stdout]     |
[INFO] [stdout] 211 | ...                   for ix in 0..cells[0][0].len() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmaze` (bench "kruskals") due to 2 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df0adfe84e187aa01837cdb5aef868efec3122c46e996104e1d63870c8a6c041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0adfe84e187aa01837cdb5aef868efec3122c46e996104e1d63870c8a6c041", kill_on_drop: false }`
[INFO] [stdout] df0adfe84e187aa01837cdb5aef868efec3122c46e996104e1d63870c8a6c041
