[INFO] cloning repository https://github.com/ronweikamp/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ronweikamp/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fronweikamp%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fronweikamp%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eea7d136c8ba6336e89246d42e5dcfdff3ef1d0a
[INFO] checking ronweikamp/aoc2020 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fronweikamp%2Faoc2020" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ronweikamp/aoc2020 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ronweikamp/aoc2020
[INFO] finished tweaking git repo https://github.com/ronweikamp/aoc2020
[INFO] tweaked toml for git repo https://github.com/ronweikamp/aoc2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ronweikamp/aoc2020 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f808bad306a32ba085b40861cfc987c3a29d2be3a8dd11d8efd4c978e14415c9
[INFO] running `Command { std: "docker" "start" "-a" "f808bad306a32ba085b40861cfc987c3a29d2be3a8dd11d8efd4c978e14415c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f808bad306a32ba085b40861cfc987c3a29d2be3a8dd11d8efd4c978e14415c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f808bad306a32ba085b40861cfc987c3a29d2be3a8dd11d8efd4c978e14415c9", kill_on_drop: false }`
[INFO] [stdout] f808bad306a32ba085b40861cfc987c3a29d2be3a8dd11d8efd4c978e14415c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46bb75b660b74cbe8acba784a5f190a97cce68c10729fa590e0ddde72eb9c6c4
[INFO] running `Command { std: "docker" "start" "-a" "46bb75b660b74cbe8acba784a5f190a97cce68c10729fa590e0ddde72eb9c6c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking advent_of_code2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::day11::day11_part2`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::day11::day11_part2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::read`
[INFO] [stdout]  --> src/day5.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::read`
[INFO] [stdout]  --> src/day6.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::EdgeIndex`
[INFO] [stdout]  --> src/day7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use petgraph::graph::EdgeIndex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::EdgeReference`
[INFO] [stdout]  --> src/day7.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use petgraph::graph::EdgeReference;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::stable_graph::StableGraph`
[INFO] [stdout]  --> src/day7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use petgraph::stable_graph::StableGraph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::prelude::GraphMap`
[INFO] [stdout]  --> src/day7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use petgraph::prelude::GraphMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day10.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/day13.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::day11::day11_part2`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::day11::day11_part2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::read`
[INFO] [stdout]  --> src/day6.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::EdgeIndex`
[INFO] [stdout]  --> src/day7.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use petgraph::graph::EdgeIndex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::graph::EdgeReference`
[INFO] [stdout]  --> src/day7.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use petgraph::graph::EdgeReference;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::stable_graph::StableGraph`
[INFO] [stdout]  --> src/day7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use petgraph::stable_graph::StableGraph;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::prelude::GraphMap`
[INFO] [stdout]  --> src/day7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use petgraph::prelude::GraphMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day10.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/day13.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/day13.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let base = numbers.iter().nth(0).unwrap();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[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/day13.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut skip: usize = 0;
[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: function `day2_part1` is never used
[INFO] [stdout]   --> src/day2.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn day2_part1() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `day2_part2` is never used
[INFO] [stdout]   --> src/day2.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn day2_part2() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]   --> src/day2.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn is_valid(line: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid2` is never used
[INFO] [stdout]   --> src/day2.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn is_valid2(line: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_equals` is never used
[INFO] [stdout]   --> src/day2.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn char_equals(password: &str, index: usize, c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_to_tuple` is never used
[INFO] [stdout]   --> src/day2.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn line_to_tuple(line: &str) -> Option<(usize, usize, char, &str)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]   --> src/day2.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn read(path: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cid` is never read
[INFO] [stdout]   --> src/day4.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Passport {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_paths` is never used
[INFO] [stdout]   --> src/day10.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn count_paths(jolt: usize, adapter_set: &HashSet<&usize>, max_adapter: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `egcd` is never used
[INFO] [stdout]   --> src/day13.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn egcd(a: i64, b: i64) -> (i64, i64, i64) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_inv` is never used
[INFO] [stdout]   --> src/day13.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn mod_inv(x: i64, n: i64) -> Option<i64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chinese_remainder` is never used
[INFO] [stdout]   --> src/day13.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn chinese_remainder(residues: &[i64], modulii: &[i64]) -> Option<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `day13_part2_input_with_crt` is never used
[INFO] [stdout]   --> src/day13.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn day13_part2_input_with_crt() -> Option<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/day13.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let base = numbers.iter().nth(0).unwrap();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[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/day13.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut skip: usize = 0;
[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 `cid` is never read
[INFO] [stdout]   --> src/day4.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Passport {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_paths` is never used
[INFO] [stdout]   --> src/day10.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn count_paths(jolt: usize, adapter_set: &HashSet<&usize>, max_adapter: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "46bb75b660b74cbe8acba784a5f190a97cce68c10729fa590e0ddde72eb9c6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bb75b660b74cbe8acba784a5f190a97cce68c10729fa590e0ddde72eb9c6c4", kill_on_drop: false }`
[INFO] [stdout] 46bb75b660b74cbe8acba784a5f190a97cce68c10729fa590e0ddde72eb9c6c4