[INFO] cloning repository https://github.com/kunalb/AoC2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunalb/AoC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2FAoC2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2FAoC2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6d4a8acf8355d22c1756d056a3be86c8b923905
[INFO] testing kunalb/AoC2020 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2FAoC2020" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kunalb/AoC2020 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kunalb/AoC2020
[INFO] finished tweaking git repo https://github.com/kunalb/AoC2020
[INFO] tweaked toml for git repo https://github.com/kunalb/AoC2020 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/kunalb/AoC2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83efb6c93012747a697bf18f073ba63aa43d10fcd18d38dd4da78a9c250f38ee
[INFO] running `Command { std: "docker" "start" "-a" "83efb6c93012747a697bf18f073ba63aa43d10fcd18d38dd4da78a9c250f38ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83efb6c93012747a697bf18f073ba63aa43d10fcd18d38dd4da78a9c250f38ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83efb6c93012747a697bf18f073ba63aa43d10fcd18d38dd4da78a9c250f38ee", kill_on_drop: false }`
[INFO] [stdout] 83efb6c93012747a697bf18f073ba63aa43d10fcd18d38dd4da78a9c250f38ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc047583356b18c585532ce71b186acadb713b0a7010b9d6aa8e27bf5882191e
[INFO] running `Command { std: "docker" "start" "-a" "bc047583356b18c585532ce71b186acadb713b0a7010b9d6aa8e27bf5882191e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day23.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for (i, &x) in input.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/bin/day21.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |         .map(|(f, a)| f.iter().filter(|x| details.unused_foods.contains(**x)).count())
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_debug`
[INFO] [stdout]   --> src/bin/day23.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn print_debug(cups: &Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_cube`
[INFO] [stdout]   --> src/bin/day17.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print_cube(hypercube: &HashMap<Vec<i64>, bool>, ranges: &Vec<(i64, i64)>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for mut possibility in details.possibilities.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `all_foods`
[INFO] [stdout]   --> src/bin/day21.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     all_foods: HashSet<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.02s
[INFO] running `Command { std: "docker" "inspect" "bc047583356b18c585532ce71b186acadb713b0a7010b9d6aa8e27bf5882191e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc047583356b18c585532ce71b186acadb713b0a7010b9d6aa8e27bf5882191e", kill_on_drop: false }`
[INFO] [stdout] bc047583356b18c585532ce71b186acadb713b0a7010b9d6aa8e27bf5882191e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65d7622279d93fe3b591a237cb97f016eae11a90219f9ee3fedfd22388d3c76d
[INFO] running `Command { std: "docker" "start" "-a" "65d7622279d93fe3b591a237cb97f016eae11a90219f9ee3fedfd22388d3c76d", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | mod test {
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day23.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for (i, &x) in input.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_debug`
[INFO] [stdout]   --> src/bin/day23.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn print_debug(cups: &Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_cube`
[INFO] [stdout]   --> src/bin/day17.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print_cube(hypercube: &HashMap<Vec<i64>, bool>, ranges: &Vec<(i64, i64)>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/bin/day21.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |         .map(|(f, a)| f.iter().filter(|x| details.unused_foods.contains(**x)).count())
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for mut possibility in details.possibilities.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `all_foods`
[INFO] [stdout]   --> src/bin/day21.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     all_foods: HashSet<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day20.rs:759:9
[INFO] [stdout]     |
[INFO] [stdout] 759 |         dbg!(solve2(INPUT));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2020-9365f649c8fb5155)
[INFO] [stderr]   Executable unittests src/bin/day1.rs (/opt/rustwide/target/debug/deps/day1-491282407c441f29)
[INFO] [stderr]   Executable unittests src/bin/day10.rs (/opt/rustwide/target/debug/deps/day10-054ba72182a7fa33)
[INFO] [stderr]   Executable unittests src/bin/day11.rs (/opt/rustwide/target/debug/deps/day11-bca474331a3e6ab1)
[INFO] [stderr]   Executable unittests src/bin/day12.rs (/opt/rustwide/target/debug/deps/day12-a06db807e8807360)
[INFO] [stderr]   Executable unittests src/bin/day13.rs (/opt/rustwide/target/debug/deps/day13-d7c85f534aa89748)
[INFO] [stderr]   Executable unittests src/bin/day14.rs (/opt/rustwide/target/debug/deps/day14-c2e51254accd34a2)
[INFO] [stderr]   Executable unittests src/bin/day15.rs (/opt/rustwide/target/debug/deps/day15-1f07e2e1b8e3e220)
[INFO] [stderr]   Executable unittests src/bin/day16.rs (/opt/rustwide/target/debug/deps/day16-870ddc5f55b6a224)
[INFO] [stderr]   Executable unittests src/bin/day17.rs (/opt/rustwide/target/debug/deps/day17-6f4b186bb5697f17)
[INFO] [stderr]   Executable unittests src/bin/day18.rs (/opt/rustwide/target/debug/deps/day18-c107de4fafa7551c)
[INFO] [stderr]   Executable unittests src/bin/day19.rs (/opt/rustwide/target/debug/deps/day19-ed028b7a5e703ec1)
[INFO] [stderr]   Executable unittests src/bin/day2.rs (/opt/rustwide/target/debug/deps/day2-a3555ee1cdc2df41)
[INFO] [stderr]   Executable unittests src/bin/day20.rs (/opt/rustwide/target/debug/deps/day20-d8be9e8fc67cb20e)
[INFO] [stderr]   Executable unittests src/bin/day21.rs (/opt/rustwide/target/debug/deps/day21-e35cc7eb12258841)
[INFO] [stderr]   Executable unittests src/bin/day22.rs (/opt/rustwide/target/debug/deps/day22-299eff9a061d38c6)
[INFO] [stderr]   Executable unittests src/bin/day23.rs (/opt/rustwide/target/debug/deps/day23-22db22d0afc4460c)
[INFO] [stderr]   Executable unittests src/bin/day24.rs (/opt/rustwide/target/debug/deps/day24-48f9f5fd1152f467)
[INFO] [stderr]   Executable unittests src/bin/day25.rs (/opt/rustwide/target/debug/deps/day25-96898446d7db7a4c)
[INFO] [stderr]   Executable unittests src/bin/day3.rs (/opt/rustwide/target/debug/deps/day3-2998f3930b56d550)
[INFO] [stderr]   Executable unittests src/bin/day4.rs (/opt/rustwide/target/debug/deps/day4-e678121cff8f4997)
[INFO] [stderr]   Executable unittests src/bin/day5.rs (/opt/rustwide/target/debug/deps/day5-8ded83cf215c0334)
[INFO] [stderr]   Executable unittests src/bin/day6.rs (/opt/rustwide/target/debug/deps/day6-613621a0815b0012)
[INFO] [stderr]   Executable unittests src/bin/day7.rs (/opt/rustwide/target/debug/deps/day7-1f1465b18b2395fe)
[INFO] [stderr]   Executable unittests src/bin/day8.rs (/opt/rustwide/target/debug/deps/day8-627fa0a0841be2a5)
[INFO] [stderr]   Executable unittests src/bin/day9.rs (/opt/rustwide/target/debug/deps/day9-d04af8708a89530c)
[INFO] running `Command { std: "docker" "inspect" "65d7622279d93fe3b591a237cb97f016eae11a90219f9ee3fedfd22388d3c76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d7622279d93fe3b591a237cb97f016eae11a90219f9ee3fedfd22388d3c76d", kill_on_drop: false }`
[INFO] [stdout] 65d7622279d93fe3b591a237cb97f016eae11a90219f9ee3fedfd22388d3c76d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dff7578c4c5c43e3cd4184788f29301fe4480df158f3e61a7c969db2eb604661
[INFO] running `Command { std: "docker" "start" "-a" "dff7578c4c5c43e3cd4184788f29301fe4480df158f3e61a7c969db2eb604661", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `print_cube`
[INFO] [stderr]   --> src/bin/day17.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn print_cube(hypercube: &HashMap<Vec<i64>, bool>, ranges: &Vec<(i64, i64)>) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/bin/day21.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 |         .map(|(f, a)| f.iter().filter(|x| details.unused_foods.contains(**x)).count())
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day21.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for mut possibility in details.possibilities.iter_mut() {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `all_foods`
[INFO] [stderr]   --> src/bin/day21.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     all_foods: HashSet<&'a str>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2020` (bin "day17" test) generated 1 warning
[INFO] [stderr] warning: `aoc2020` (bin "day21" test) generated 3 warnings
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/bin/day20.rs:759:9
[INFO] [stderr]     |
[INFO] [stderr] 759 |         dbg!(solve2(INPUT));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | mod test {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/day23.rs:70:10
[INFO] [stderr]    |
[INFO] [stderr] 70 |     for (i, &x) in input.iter().enumerate() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_debug`
[INFO] [stderr]   --> src/bin/day23.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn print_debug(cups: &Vec<usize>) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2020` (bin "day20" test) generated 1 warning
[INFO] [stderr] warning: `aoc2020` (bin "aoc2020" test) generated 1 warning
[INFO] [stderr] warning: `aoc2020` (bin "day23" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.71s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2020-9365f649c8fb5155)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stderr]      Running unittests src/bin/day1.rs (/opt/rustwide/target/debug/deps/day1-491282407c441f29)
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day10.rs (/opt/rustwide/target/debug/deps/day10-054ba72182a7fa33)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day11.rs (/opt/rustwide/target/debug/deps/day11-bca474331a3e6ab1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/bin/day12.rs (/opt/rustwide/target/debug/deps/day12-a06db807e8807360)
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day13.rs (/opt/rustwide/target/debug/deps/day13-d7c85f534aa89748)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] test test::test3 ... ok
[INFO] [stderr]      Running unittests src/bin/day14.rs (/opt/rustwide/target/debug/deps/day14-c2e51254accd34a2)
[INFO] [stdout] test test::test_inv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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/bin/day15.rs (/opt/rustwide/target/debug/deps/day15-1f07e2e1b8e3e220)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day16.rs (/opt/rustwide/target/debug/deps/day16-870ddc5f55b6a224)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/bin/day17.rs (/opt/rustwide/target/debug/deps/day17-6f4b186bb5697f17)
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.86s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day18.rs (/opt/rustwide/target/debug/deps/day18-c107de4fafa7551c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_par ... ok
[INFO] [stdout] test test::test_tree ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] test test::test_nested_sum ... ok
[INFO] [stdout] test test::test_complex ... ok
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day19.rs (/opt/rustwide/target/debug/deps/day19-ed028b7a5e703ec1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test3 ... ok
[INFO] [stdout] test test::test4 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day2.rs (/opt/rustwide/target/debug/deps/day2-a3555ee1cdc2df41)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day20.rs (/opt/rustwide/target/debug/deps/day20-d8be9e8fc67cb20e)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::test_dir_lookup ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test_invert ... ok
[INFO] [stdout] test test::test_lookup ... ok
[INFO] [stdout] test test::test_encode ... ok
[INFO] [stdout] test test::test_flipped_dir_lookup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day21.rs (/opt/rustwide/target/debug/deps/day21-e35cc7eb12258841)
[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/bin/day22.rs (/opt/rustwide/target/debug/deps/day22-299eff9a061d38c6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day23.rs (/opt/rustwide/target/debug/deps/day23-22db22d0afc4460c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.92s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day24.rs (/opt/rustwide/target/debug/deps/day24-48f9f5fd1152f467)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test1b ... ok
[INFO] [stderr]      Running unittests src/bin/day25.rs (/opt/rustwide/target/debug/deps/day25-96898446d7db7a4c)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day3.rs (/opt/rustwide/target/debug/deps/day3-2998f3930b56d550)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test1 ... ok
[INFO] [stderr]      Running unittests src/bin/day4.rs (/opt/rustwide/target/debug/deps/day4-e678121cff8f4997)
[INFO] [stdout] test test::test2 ... ok
[INFO] [stderr]      Running unittests src/bin/day5.rs (/opt/rustwide/target/debug/deps/day5-8ded83cf215c0334)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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/bin/day6.rs (/opt/rustwide/target/debug/deps/day6-613621a0815b0012)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/bin/day7.rs (/opt/rustwide/target/debug/deps/day7-1f1465b18b2395fe)
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day8.rs (/opt/rustwide/target/debug/deps/day8-627fa0a0841be2a5)
[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] [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/bin/day9.rs (/opt/rustwide/target/debug/deps/day9-d04af8708a89530c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dff7578c4c5c43e3cd4184788f29301fe4480df158f3e61a7c969db2eb604661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff7578c4c5c43e3cd4184788f29301fe4480df158f3e61a7c969db2eb604661", kill_on_drop: false }`
[INFO] [stdout] dff7578c4c5c43e3cd4184788f29301fe4480df158f3e61a7c969db2eb604661