[INFO] cloning repository https://github.com/plesak/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plesak/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplesak%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplesak%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6db6ae1a588f6b5ac7e90aedc3177cb1f4de083d
[INFO] testing plesak/advent-of-code against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplesak%2Fadvent-of-code" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/plesak/advent-of-code
[INFO] finished tweaking git repo https://github.com/plesak/advent-of-code
[INFO] tweaked toml for git repo https://github.com/plesak/advent-of-code written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/plesak/advent-of-code on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/plesak/advent-of-code 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing plesak/advent-of-code against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplesak%2Fadvent-of-code" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/plesak/advent-of-code
[INFO] finished tweaking git repo https://github.com/plesak/advent-of-code
[INFO] tweaked toml for git repo https://github.com/plesak/advent-of-code written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/plesak/advent-of-code on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/plesak/advent-of-code 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codspeed v2.7.2
[INFO] [stderr]   Downloaded codspeed-criterion-compat v2.7.2
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b46d3b29990831ecd96c34f0a1d2893dc01ca9c19f875b48469d2d7aed6a8d
[INFO] running `Command { std: "docker" "start" "-a" "90b46d3b29990831ecd96c34f0a1d2893dc01ca9c19f875b48469d2d7aed6a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b46d3b29990831ecd96c34f0a1d2893dc01ca9c19f875b48469d2d7aed6a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b46d3b29990831ecd96c34f0a1d2893dc01ca9c19f875b48469d2d7aed6a8d", kill_on_drop: false }`
[INFO] [stdout] 90b46d3b29990831ecd96c34f0a1d2893dc01ca9c19f875b48469d2d7aed6a8d
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d640855538bb3bf95a4dd635dbbe2c8517600670b3cd78fe71b93f21b0bd6e
[INFO] running `Command { std: "docker" "start" "-a" "16d640855538bb3bf95a4dd635dbbe2c8517600670b3cd78fe71b93f21b0bd6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling advent v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inp_to_array2` is never used
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn inp_to_array2(input:Vec<String>) -> Array2<char> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_from_paths` is never used
[INFO] [stdout]   --> src/utils.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn flood_from_paths(paths:Vec<(i64, char)>, incl_border:bool) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "16d640855538bb3bf95a4dd635dbbe2c8517600670b3cd78fe71b93f21b0bd6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d640855538bb3bf95a4dd635dbbe2c8517600670b3cd78fe71b93f21b0bd6e", kill_on_drop: false }`
[INFO] [stdout] 16d640855538bb3bf95a4dd635dbbe2c8517600670b3cd78fe71b93f21b0bd6e
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f76383aba2a136aadebd340f90798b9453f7b91b7884d7301606355b835fcae
[INFO] running `Command { std: "docker" "start" "-a" "3f76383aba2a136aadebd340f90798b9453f7b91b7884d7301606355b835fcae", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling codspeed-criterion-compat v2.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling advent v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inp_to_array2` is never used
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn inp_to_array2(input:Vec<String>) -> Array2<char> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_from_paths` is never used
[INFO] [stdout]   --> src/utils.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn flood_from_paths(paths:Vec<(i64, char)>, incl_border:bool) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling codspeed v2.7.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inp_to_array2` is never used
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn inp_to_array2(input:Vec<String>) -> Array2<char> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_from_paths` is never used
[INFO] [stdout]   --> src/utils.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn flood_from_paths(paths:Vec<(i64, char)>, incl_border:bool) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `curr_back_ix` is never read
[INFO] [stdout]    --> src/day9.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             curr_back_ix -= 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "3f76383aba2a136aadebd340f90798b9453f7b91b7884d7301606355b835fcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f76383aba2a136aadebd340f90798b9453f7b91b7884d7301606355b835fcae", kill_on_drop: false }`
[INFO] [stdout] 3f76383aba2a136aadebd340f90798b9453f7b91b7884d7301606355b835fcae
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b57f583459db67f6a0eeaffea0546d2a5fbf6b664c82f63e6d02cf4c8756cf0b
[INFO] running `Command { std: "docker" "start" "-a" "b57f583459db67f6a0eeaffea0546d2a5fbf6b664c82f63e6d02cf4c8756cf0b", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `curr_back_ix` is never read
[INFO] [stderr]    --> src/day9.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             curr_back_ix -= 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `curr_back_ix` is never read
[INFO] [stderr]    --> src/day9.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             curr_back_ix -= 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function `inp_to_array2` is never used
[INFO] [stderr]  --> src/utils.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn inp_to_array2(input:Vec<String>) -> Array2<char> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `flood_from_paths` is never used
[INFO] [stderr]   --> src/utils.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn flood_from_paths(paths:Vec<(i64, char)>, incl_border:bool) -> i64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent` (lib) generated 4 warnings
[INFO] [stderr] warning: `advent` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `advent` (bin "advent" test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code-0df08a24c35ce5dd)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent-84093640e41adffc)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent_of_code
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b57f583459db67f6a0eeaffea0546d2a5fbf6b664c82f63e6d02cf4c8756cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57f583459db67f6a0eeaffea0546d2a5fbf6b664c82f63e6d02cf4c8756cf0b", kill_on_drop: false }`
[INFO] [stdout] b57f583459db67f6a0eeaffea0546d2a5fbf6b664c82f63e6d02cf4c8756cf0b