[INFO] cloning repository https://github.com/Pluriscient/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pluriscient/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 036f665f9ee765ebf032fd01defbb70e64f86626
[INFO] testing Pluriscient/aoc2020 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pluriscient/aoc2020 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pluriscient/aoc2020
[INFO] finished tweaking git repo https://github.com/Pluriscient/aoc2020
[INFO] tweaked toml for git repo https://github.com/Pluriscient/aoc2020 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Pluriscient/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3d415e2e0d5774d6f97cee932bfa4389f5e5d9d5f18581a38202bc046bfd5c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3d415e2e0d5774d6f97cee932bfa4389f5e5d9d5f18581a38202bc046bfd5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3d415e2e0d5774d6f97cee932bfa4389f5e5d9d5f18581a38202bc046bfd5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d415e2e0d5774d6f97cee932bfa4389f5e5d9d5f18581a38202bc046bfd5c8", kill_on_drop: false }`
[INFO] [stdout] f3d415e2e0d5774d6f97cee932bfa4389f5e5d9d5f18581a38202bc046bfd5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 181ada468ae32755cc9aa680bb0bd538e843d5981831fee92d12e79e3a2924d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "181ada468ae32755cc9aa680bb0bd538e843d5981831fee92d12e79e3a2924d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling prgrs v0.6.4
[INFO] [stderr]    Compiling console v0.13.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling factorial v0.2.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling modinverse v0.1.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Prgrs`
[INFO] [stdout]  --> src/years/year2020/day15.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use prgrs::{Prgrs};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/years/year2020/day15.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/years/year2020/day15.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for turn in (turn..turns) {
[INFO] [stdout]    |                 ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -     for turn in (turn..turns) {
[INFO] [stdout] 42 +     for turn in turn..turns {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `factorial::Factorial`
[INFO] [stdout]  --> src/years/year2020/day16.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use factorial::Factorial;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked`
[INFO] [stdout]  --> src/years/year2020/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hint::unreachable_unchecked;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/years/year2020/day18.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/years/year2020/day18.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lines`
[INFO] [stdout]  --> src/years/year2020/day19.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::{FromStr, Lines};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/years/year2020/day20.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 res |= (1 << i)
[INFO] [stdout]    |                        ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -                 res |= (1 << i)
[INFO] [stdout] 52 +                 res |= 1 << i
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starting_numbers`
[INFO] [stdout]  --> src/years/year2020/day15.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_part_one(starting_numbers: Vec<u64>) -> usize {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/years/year2020/day16.rs:82:31
[INFO] [stdout]    |
[INFO] [stdout] 82 |     res.iter().filter(|(rule, val)| rule.field.starts_with("cl"))
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid`
[INFO] [stdout]   --> src/years/year2020/day17.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn solve_part_two(grid: Grid) -> usize {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_grid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_rule`
[INFO] [stdout]  --> src/years/year2020/day19.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let actual_rule = ruleset.rules.get(&0).unwrap();
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages`
[INFO] [stdout]  --> src/years/year2020/day19.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_part_one(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ruleset`
[INFO] [stdout]   --> src/years/year2020/day19.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ruleset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages`
[INFO] [stdout]   --> src/years/year2020/day19.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]   --> src/years/year2020/day19.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     if let Some(rest) = self.fits_rule(remainder, r) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/years/year2020/day19.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Or(left, right) => {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/years/year2020/day19.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Or(left, right) => {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tiles`
[INFO] [stdout]   --> src/years/year2020/day20.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn solve_part_two(tiles: Vec<Tile>) -> usize {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_tiles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/years/year2020/day19.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let mut remainder = current.clone();
[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: unused borrow that must be used
[INFO] [stdout]   --> src/years/year2020/day20.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     &eff_tiles[0].flip(FlipDirection::Horizontal);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = &eff_tiles[0].flip(FlipDirection::Horizontal);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.29s
[INFO] running `Command { std: "docker" "inspect" "181ada468ae32755cc9aa680bb0bd538e843d5981831fee92d12e79e3a2924d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181ada468ae32755cc9aa680bb0bd538e843d5981831fee92d12e79e3a2924d2", kill_on_drop: false }`
[INFO] [stdout] 181ada468ae32755cc9aa680bb0bd538e843d5981831fee92d12e79e3a2924d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f35970a6ee55a0632278c9fcf19b224e36e435feaecb7a5ad1aeacf6fb8745b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f35970a6ee55a0632278c9fcf19b224e36e435feaecb7a5ad1aeacf6fb8745b", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Prgrs`
[INFO] [stdout]  --> src/years/year2020/day15.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use prgrs::{Prgrs};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/years/year2020/day15.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/years/year2020/day15.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for turn in (turn..turns) {
[INFO] [stdout]    |                 ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -     for turn in (turn..turns) {
[INFO] [stdout] 42 +     for turn in turn..turns {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `factorial::Factorial`
[INFO] [stdout]  --> src/years/year2020/day16.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use factorial::Factorial;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked`
[INFO] [stdout]  --> src/years/year2020/day16.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hint::unreachable_unchecked;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/years/year2020/day17.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use itertools::Itertools;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/years/year2020/day18.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lines`
[INFO] [stdout]  --> src/years/year2020/day19.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::{FromStr, Lines};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/years/year2020/day20.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 res |= (1 << i)
[INFO] [stdout]    |                        ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -                 res |= (1 << i)
[INFO] [stdout] 52 +                 res |= 1 << i
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starting_numbers`
[INFO] [stdout]  --> src/years/year2020/day15.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_part_one(starting_numbers: Vec<u64>) -> usize {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_numbers`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/years/year2020/day16.rs:82:31
[INFO] [stdout]    |
[INFO] [stdout] 82 |     res.iter().filter(|(rule, val)| rule.field.starts_with("cl"))
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid`
[INFO] [stdout]   --> src/years/year2020/day17.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn solve_part_two(grid: Grid) -> usize {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_grid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_rule`
[INFO] [stdout]  --> src/years/year2020/day19.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let actual_rule = ruleset.rules.get(&0).unwrap();
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages`
[INFO] [stdout]  --> src/years/year2020/day19.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_part_one(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stdout]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ruleset`
[INFO] [stdout]   --> src/years/year2020/day19.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ruleset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages`
[INFO] [stdout]   --> src/years/year2020/day19.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stdout]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]   --> src/years/year2020/day19.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     if let Some(rest) = self.fits_rule(remainder, r) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/years/year2020/day19.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Or(left, right) => {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/years/year2020/day19.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Or(left, right) => {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tiles`
[INFO] [stdout]   --> src/years/year2020/day20.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn solve_part_two(tiles: Vec<Tile>) -> usize {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_tiles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/years/year2020/day20.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |         while let Some(line) = lines.peek() {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/years/year2020/day19.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 let mut remainder = current.clone();
[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: unused borrow that must be used
[INFO] [stdout]   --> src/years/year2020/day20.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     &eff_tiles[0].flip(FlipDirection::Horizontal);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = &eff_tiles[0].flip(FlipDirection::Horizontal);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "2f35970a6ee55a0632278c9fcf19b224e36e435feaecb7a5ad1aeacf6fb8745b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f35970a6ee55a0632278c9fcf19b224e36e435feaecb7a5ad1aeacf6fb8745b", kill_on_drop: false }`
[INFO] [stdout] 2f35970a6ee55a0632278c9fcf19b224e36e435feaecb7a5ad1aeacf6fb8745b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea02dcadf3730b5e975a663e82b8ebcf65c066120d1a5fa582cca494c63f8d44
[INFO] running `Command { std: "docker" "start" "-a" "ea02dcadf3730b5e975a663e82b8ebcf65c066120d1a5fa582cca494c63f8d44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Prgrs`
[INFO] [stderr]  --> src/years/year2020/day15.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use prgrs::{Prgrs};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/years/year2020/day15.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/years/year2020/day15.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for turn in (turn..turns) {
[INFO] [stderr]    |                 ^           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 42 -     for turn in (turn..turns) {
[INFO] [stderr] 42 +     for turn in turn..turns {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `factorial::Factorial`
[INFO] [stderr]  --> src/years/year2020/day16.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use factorial::Factorial;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hint::unreachable_unchecked`
[INFO] [stderr]  --> src/years/year2020/day16.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::hint::unreachable_unchecked;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/years/year2020/day17.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     use itertools::Itertools;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/years/year2020/day18.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Lines`
[INFO] [stderr]  --> src/years/year2020/day19.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::{FromStr, Lines};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/years/year2020/day20.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 res |= (1 << i)
[INFO] [stderr]    |                        ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 52 -                 res |= (1 << i)
[INFO] [stderr] 52 +                 res |= 1 << i
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `starting_numbers`
[INFO] [stderr]  --> src/years/year2020/day15.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn solve_part_one(starting_numbers: Vec<u64>) -> usize {
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_numbers`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/years/year2020/day16.rs:82:31
[INFO] [stderr]    |
[INFO] [stderr] 82 |     res.iter().filter(|(rule, val)| rule.field.starts_with("cl"))
[INFO] [stderr]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grid`
[INFO] [stderr]   --> src/years/year2020/day17.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn solve_part_two(grid: Grid) -> usize {
[INFO] [stderr]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_grid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `actual_rule`
[INFO] [stderr]  --> src/years/year2020/day19.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let actual_rule = ruleset.rules.get(&0).unwrap();
[INFO] [stderr]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_rule`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `messages`
[INFO] [stderr]  --> src/years/year2020/day19.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn solve_part_one(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stderr]   |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ruleset`
[INFO] [stderr]   --> src/years/year2020/day19.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stderr]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ruleset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `messages`
[INFO] [stderr]   --> src/years/year2020/day19.rs:14:37
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec<String>) -> usize {
[INFO] [stderr]    |                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/years/year2020/day19.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     if let Some(rest) = self.fits_rule(remainder, r) {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]   --> src/years/year2020/day19.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Or(left, right) => {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]   --> src/years/year2020/day19.rs:45:22
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Or(left, right) => {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tiles`
[INFO] [stderr]   --> src/years/year2020/day20.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn solve_part_two(tiles: Vec<Tile>) -> usize {
[INFO] [stderr]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_tiles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]    --> src/years/year2020/day20.rs:135:24
[INFO] [stderr]     |
[INFO] [stderr] 135 |         while let Some(line) = lines.peek() {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/years/year2020/day19.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let mut remainder = current.clone();
[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: unused borrow that must be used
[INFO] [stderr]   --> src/years/year2020/day20.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     &eff_tiles[0].flip(FlipDirection::Horizontal);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let _ = &eff_tiles[0].flip(FlipDirection::Horizontal);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2020` (bin "aoc2020" test) generated 23 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc2020-3cd03d30db45adc5)
[INFO] [stdout] running 38 tests
[INFO] [stdout] test years::year2020::day12::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day10::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day13::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day12::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day13::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day10::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day15::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day14::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day16::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day1::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day19::test::test_part_two ... FAILED
[INFO] [stdout] test years::year2020::day20::test::test_part_one ... FAILED
[INFO] [stdout] test years::year2020::day3::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day19::test::test_part_one ... FAILED
[INFO] [stdout] test years::year2020::day20::test::test_part_two ... FAILED
[INFO] [stdout] test years::year2020::day3::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day5::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day2::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day2::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day8::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day5::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day9::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day4::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day9::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day18::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day8::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day7::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day7::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day1::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day17::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day14::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day11::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day4::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day11::test::test_part_one ... ok
[INFO] [stdout] test years::year2020::day18::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day17::test::test_part_two ... ok
[INFO] [stdout] test years::year2020::day15::test::test_part_two has been running for over 60 seconds
[INFO] [stdout] test years::year2020::day16::test::test_part_two has been running for over 60 seconds
[INFO] [stdout] test years::year2020::day15::test::test_part_two ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ea02dcadf3730b5e975a663e82b8ebcf65c066120d1a5fa582cca494c63f8d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea02dcadf3730b5e975a663e82b8ebcf65c066120d1a5fa582cca494c63f8d44", kill_on_drop: false }`
[INFO] [stdout] ea02dcadf3730b5e975a663e82b8ebcf65c066120d1a5fa582cca494c63f8d44