[INFO] cloning repository https://github.com/gissleh/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gissleh/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgissleh%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgissleh%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eb0d06caf7fcef7ec2a7a701d7600446c363fe6
[INFO] checking gissleh/aoc2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgissleh%2Faoc2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gissleh/aoc2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gissleh/aoc2020
[INFO] finished tweaking git repo https://github.com/gissleh/aoc2020
[INFO] tweaked toml for git repo https://github.com/gissleh/aoc2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gissleh/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8d00eb1ddae0eee6e8fe23585fe4812973cbdaba809af18dfd9b5f62db15b26
[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" "c8d00eb1ddae0eee6e8fe23585fe4812973cbdaba809af18dfd9b5f62db15b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d00eb1ddae0eee6e8fe23585fe4812973cbdaba809af18dfd9b5f62db15b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d00eb1ddae0eee6e8fe23585fe4812973cbdaba809af18dfd9b5f62db15b26", kill_on_drop: false }`
[INFO] [stdout] c8d00eb1ddae0eee6e8fe23585fe4812973cbdaba809af18dfd9b5f62db15b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5178dd1ae3d8b07b5ca3eb8aaddf4f6fd8e743fc3df7586c429abc1e339dc442
[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" "5178dd1ae3d8b07b5ca3eb8aaddf4f6fd8e743fc3df7586c429abc1e339dc442", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::format::Item::Fixed`
[INFO] [stdout]  --> src/day20.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::format::Item::Fixed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::event::Key::Right`
[INFO] [stdout]  --> src/day20.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use termion::event::Key::Right;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_slope`
[INFO] [stdout]   --> src/day03.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn check_slope(grid: &FixedGrid<u8>, vx: usize, w: usize, h: usize) -> 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: `check_slope_vertical`
[INFO] [stdout]   --> src/day03.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn check_slope_vertical(grid: &FixedGrid<u8>, vx: usize, vy: usize, w: usize, h: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[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: unused variable: `s`
[INFO] [stdout]    --> src/day20.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 |             .map(|(i, s)| {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]   --> src/day20.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let horizontal = dir == LEFT || dir == RIGHT;
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day20.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let mut target_dir = FLIPPED_VH[dir];
[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/day20.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let mut side = states[index].tile.sides[dir];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DIRECTIONS`
[INFO] [stdout]   --> src/day20.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const DIRECTIONS: [usize; 4] = [RIGHT, DOWN, LEFT, UP];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLIPPED_H`
[INFO] [stdout]   --> src/day20.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const FLIPPED_H: [usize; 4] = [LEFT, UP, RIGHT, DOWN];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLIPPED_V`
[INFO] [stdout]   --> src/day20.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FLIPPED_V: [usize; 4] = [RIGHT, UP, LEFT, DOWN];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pos_dir`
[INFO] [stdout]   --> src/day20.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn pos_dir(x: usize, y: usize, dir: usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotate_right`
[INFO] [stdout]    --> src/day20.rs:473:4
[INFO] [stdout]     |
[INFO] [stdout] 473 | fn rotate_right(dir: usize, amount: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put_padded`
[INFO] [stdout]    --> src/day20.rs:550:8
[INFO] [stdout]     |
[INFO] [stdout] 550 |     fn put_padded(&self, grid: &mut FixedGrid<u8>, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::format::Item::Fixed`
[INFO] [stdout]  --> src/day20.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::format::Item::Fixed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::event::Key::Right`
[INFO] [stdout]  --> src/day20.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use termion::event::Key::Right;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_part2`
[INFO] [stdout]    --> src/day16.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn test_part2() {
[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: unused variable: `s`
[INFO] [stdout]    --> src/day20.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 |             .map(|(i, s)| {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]   --> src/day20.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let horizontal = dir == LEFT || dir == RIGHT;
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day20.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let mut target_dir = FLIPPED_VH[dir];
[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/day20.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let mut side = states[index].tile.sides[dir];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DIRECTIONS`
[INFO] [stdout]   --> src/day20.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const DIRECTIONS: [usize; 4] = [RIGHT, DOWN, LEFT, UP];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLIPPED_H`
[INFO] [stdout]   --> src/day20.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const FLIPPED_H: [usize; 4] = [LEFT, UP, RIGHT, DOWN];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLIPPED_V`
[INFO] [stdout]   --> src/day20.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FLIPPED_V: [usize; 4] = [RIGHT, UP, LEFT, DOWN];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pos_dir`
[INFO] [stdout]   --> src/day20.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn pos_dir(x: usize, y: usize, dir: usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotate_right`
[INFO] [stdout]    --> src/day20.rs:473:4
[INFO] [stdout]     |
[INFO] [stdout] 473 | fn rotate_right(dir: usize, amount: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put_padded`
[INFO] [stdout]    --> src/day20.rs:550:8
[INFO] [stdout]     |
[INFO] [stdout] 550 |     fn put_padded(&self, grid: &mut FixedGrid<u8>, x: usize, y: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_slope`
[INFO] [stdout]   --> src/day03.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn check_slope(grid: &FixedGrid<u8>, vx: usize, w: usize, h: usize) -> 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: `check_slope_vertical`
[INFO] [stdout]   --> src/day03.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn check_slope_vertical(grid: &FixedGrid<u8>, vx: usize, vy: usize, w: usize, h: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.99s
[INFO] running `Command { std: "docker" "inspect" "5178dd1ae3d8b07b5ca3eb8aaddf4f6fd8e743fc3df7586c429abc1e339dc442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5178dd1ae3d8b07b5ca3eb8aaddf4f6fd8e743fc3df7586c429abc1e339dc442", kill_on_drop: false }`
[INFO] [stdout] 5178dd1ae3d8b07b5ca3eb8aaddf4f6fd8e743fc3df7586c429abc1e339dc442