[INFO] cloning repository https://github.com/NielsOverkamp/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NielsOverkamp/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f5d9f39e46cf3a8c612c8bc954c25e39acf20ac
[INFO] building NielsOverkamp/AdventOfCode2020 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NielsOverkamp/AdventOfCode2020 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NielsOverkamp/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/NielsOverkamp/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/NielsOverkamp/AdventOfCode2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/NielsOverkamp/AdventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", 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] e66737fe6e5bcbe6262393bd453703e39887e66ed3638423ee21cf9f4c892067
[INFO] running `Command { std: "docker" "start" "-a" "e66737fe6e5bcbe6262393bd453703e39887e66ed3638423ee21cf9f4c892067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e66737fe6e5bcbe6262393bd453703e39887e66ed3638423ee21cf9f4c892067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66737fe6e5bcbe6262393bd453703e39887e66ed3638423ee21cf9f4c892067", kill_on_drop: false }`
[INFO] [stdout] e66737fe6e5bcbe6262393bd453703e39887e66ed3638423ee21cf9f4c892067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc449088c8edbe782cb6ba28e95f13cf6faeb55c0d7b15847d1eadc9136febf4
[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" "fc449088c8edbe782cb6ba28e95f13cf6faeb55c0d7b15847d1eadc9136febf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling options v0.5.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling arguments v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling aoc2020_niels_overkamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::RangeFrom`
[INFO] [stdout]  --> src/bin/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::RangeFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::internal::Inst`
[INFO] [stdout]  --> src/bin/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::internal::Inst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::IterMut`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::IterMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/bin/day20.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         'outer: for _ in 0..2 {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/bin/day20.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 |         Self::from_byte((self as i8 - 1))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day13.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .filter(|(id, i)| *id != "x")
[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: field is never read: `cid`
[INFO] [stdout]   --> src/bin/day4.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matches` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day19_complicated.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut matches;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_matches` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 matches = false;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         matches = false;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19_complicated.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut count_2 = if rules.len() >= 11 {
[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: associated function is never used: `get_or_insert_default`
[INFO] [stdout]    --> src/bin/day19_complicated.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn get_or_insert_default(&mut self, i: usize) -> &StackNode {
[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/day14.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut instrs = parse_input(input)?;
[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: variable `monster_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day20.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut monster_count = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_monster_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day20.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut map = combine_map(map);
[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: associated function is never used: `flip`
[INFO] [stdout]    --> src/bin/day20.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn flip(self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `right`
[INFO] [stdout]    --> src/bin/day20.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn right(self) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right`
[INFO] [stdout]    --> src/bin/day20.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn rotate_right(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip_vert`
[INFO] [stdout]    --> src/bin/day20.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn flip_vert(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_test`
[INFO] [stdout]    --> src/aoc_day.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn as_test(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day17.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/day17.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/bin/day17.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/bin/day17.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::TryFromIntError`
[INFO] [stdout]  --> src/bin/day17.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::TryFromIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/bin/day17.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::handle_alloc_error`
[INFO] [stdout]  --> src/bin/day11.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::alloc::handle_alloc_error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]  --> src/bin/day11.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | ...                   let y = ((y as i32)+*dy);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   let x = ((x as i32) + *dx);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iter_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day11.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut iter_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_iter_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]    --> src/bin/day11.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn print_board(board: &Vec<Vec<Option<bool>>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "fc449088c8edbe782cb6ba28e95f13cf6faeb55c0d7b15847d1eadc9136febf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc449088c8edbe782cb6ba28e95f13cf6faeb55c0d7b15847d1eadc9136febf4", kill_on_drop: false }`
[INFO] [stdout] fc449088c8edbe782cb6ba28e95f13cf6faeb55c0d7b15847d1eadc9136febf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80e837b028a901272db6424b908a1973d6c8a39cde93a2a0f3bbd6865ccf548
[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" "f80e837b028a901272db6424b908a1973d6c8a39cde93a2a0f3bbd6865ccf548", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2020_niels_overkamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::alloc::handle_alloc_error`
[INFO] [stdout]  --> src/bin/day11.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::alloc::handle_alloc_error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]  --> src/bin/day11.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | ...                   let y = ((y as i32)+*dy);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   let x = ((x as i32) + *dx);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day17.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/day17.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/bin/day17.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/bin/day17.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::TryFromIntError`
[INFO] [stdout]  --> src/bin/day17.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::TryFromIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/bin/day17.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::IterMut`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::IterMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::internal::Inst`
[INFO] [stdout]  --> src/bin/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::internal::Inst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iter_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day11.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut iter_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_iter_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]    --> src/bin/day11.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn print_board(board: &Vec<Vec<Option<bool>>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/bin/day20.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         'outer: for _ in 0..2 {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/bin/day20.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 |         Self::from_byte((self as i8 - 1))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matches` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day19_complicated.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut matches;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_matches` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 matches = false;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         matches = false;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19_complicated.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut count_2 = if rules.len() >= 11 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day14.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut instrs = parse_input(input)?;
[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: associated function is never used: `get_or_insert_default`
[INFO] [stdout]    --> src/bin/day19_complicated.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn get_or_insert_default(&mut self, i: usize) -> &StackNode {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `monster_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day20.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut monster_count = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_monster_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day20.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut map = combine_map(map);
[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: associated function is never used: `flip`
[INFO] [stdout]    --> src/bin/day20.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn flip(self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `right`
[INFO] [stdout]    --> src/bin/day20.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn right(self) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right`
[INFO] [stdout]    --> src/bin/day20.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn rotate_right(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip_vert`
[INFO] [stdout]    --> src/bin/day20.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn flip_vert(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_test`
[INFO] [stdout]    --> src/aoc_day.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn as_test(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> src/bin/day4.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2020_niels_overkamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name day4 --edition=2018 src/bin/day4.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=4f75ea57c4b93f76 -C extra-filename=-4f75ea57c4b93f76 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-726402e6ea5d1b12.rlib --extern aoc2020_niels_overkamp=/opt/rustwide/target/debug/deps/libaoc2020_niels_overkamp-9c629314f3ca2acc.rlib --extern arguments=/opt/rustwide/target/debug/deps/libarguments-79c4dfc68322ead8.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-932c01108c6b1062.rlib --extern curl=/opt/rustwide/target/debug/deps/libcurl-0c9a341e47f81f7a.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-5c7215f6deef5a2c.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-54f4eb832bd366f8.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-8841be47869c53e8.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/curl-sys-ebfe796dd943a43f/out/build` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f80e837b028a901272db6424b908a1973d6c8a39cde93a2a0f3bbd6865ccf548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80e837b028a901272db6424b908a1973d6c8a39cde93a2a0f3bbd6865ccf548", kill_on_drop: false }`
[INFO] [stdout] f80e837b028a901272db6424b908a1973d6c8a39cde93a2a0f3bbd6865ccf548
