[INFO] cloning repository https://github.com/wgfm/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wgfm/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgfm%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgfm%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 130afc1e482a9d28ec2ed10b70c240bae8f69371
[INFO] checking wgfm/aoc against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgfm%2Faoc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wgfm/aoc on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wgfm/aoc
[INFO] finished tweaking git repo https://github.com/wgfm/aoc
[INFO] tweaked toml for git repo https://github.com/wgfm/aoc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wgfm/aoc 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] cec06ef171d5be03e52846200ea06013325935c6a3163364f3a8dba5d87e5fee
[INFO] running `Command { std: "docker" "start" "-a" "cec06ef171d5be03e52846200ea06013325935c6a3163364f3a8dba5d87e5fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec06ef171d5be03e52846200ea06013325935c6a3163364f3a8dba5d87e5fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec06ef171d5be03e52846200ea06013325935c6a3163364f3a8dba5d87e5fee", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "1dd02ab9f389a6c9d3cfc52d2abb62156ca8ecc7deaccc1b3fbaec1ede1006b2", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `iter::Peekable`
[INFO] [stdout]  --> src/y2015/d5.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::Peekable};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `map`
[INFO] [stdout]  --> src/y2023/d2.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     combinator::{all_consuming, map},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d3.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/y2023/d5.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, ops::Range};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d7.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt`, `multi::many0`
[INFO] [stdout]  --> src/y2023/d8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     multi::many0,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d21.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d22.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Peekable`
[INFO] [stdout]  --> src/y2015/d5.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::Peekable};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `map`
[INFO] [stdout]  --> src/y2023/d2.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     combinator::{all_consuming, map},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d3.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/y2023/d5.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, ops::Range};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d7.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt`, `multi::many0`
[INFO] [stdout]  --> src/y2023/d8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     multi::many0,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d21.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d22.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> src/y2023/d2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IResult, Parser,
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]   --> src/y2023/d8.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IResult, Parser,
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> src/y2023/d2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IResult, Parser,
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]   --> src/y2023/d8.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IResult, Parser,
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/y2023/d16.rs:97:22
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     (x, 0) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     (0, y) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/y2023/d16.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     (x, 0) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     (0, y) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/y2023/d18.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (len, color) = input.split_once(" ").unwrap();
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/y2023/d21.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (map, start) = parse(&self.input);
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/y2023/d22.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |         .map(|(i, line)| {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/y2023/d4.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 65 |     number: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` 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: field `input` is never read
[INFO] [stdout]   --> src/problem.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pub struct Problem {
[INFO] [stdout]    |                    ------- field in this struct
[INFO] [stdout] 11 |             input: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/y2023/d6.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | solution!(2023, 6);
[INFO] [stdout]    | ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `solution` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot_map` is never used
[INFO] [stdout]    --> src/y2023/d21.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn plot_map(map: &Vec<Vec<char>>, visited: &HashMap<(usize, usize), char>, start: (usize, usize)) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/y2023/d16.rs:97:22
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     (x, 0) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     (0, y) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/y2023/d16.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     (x, 0) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     (0, y) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/y2023/d18.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (len, color) = input.split_once(" ").unwrap();
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/y2023/d21.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (map, start) = parse(&self.input);
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/y2023/d22.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |         .map(|(i, line)| {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/y2023/d4.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 65 |     number: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` 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: field `input` is never read
[INFO] [stdout]   --> src/problem.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pub struct Problem {
[INFO] [stdout]    |                    ------- field in this struct
[INFO] [stdout] 11 |             input: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/y2023/d6.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | solution!(2023, 6);
[INFO] [stdout]    | ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `solution` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT_ONE` is never used
[INFO] [stdout]    --> src/y2023/d20.rs:396:11
[INFO] [stdout]     |
[INFO] [stdout] 396 |     const INPUT_ONE: &'static str = "broadcaster -> a, b, c
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_a_one` is never used
[INFO] [stdout]    --> src/y2023/d20.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn test_a_one() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot_map` is never used
[INFO] [stdout]    --> src/y2023/d21.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn plot_map(map: &Vec<Vec<char>>, visited: &HashMap<(usize, usize), char>, start: (usize, usize)) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.33s
[INFO] running `Command { std: "docker" "inspect" "1dd02ab9f389a6c9d3cfc52d2abb62156ca8ecc7deaccc1b3fbaec1ede1006b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd02ab9f389a6c9d3cfc52d2abb62156ca8ecc7deaccc1b3fbaec1ede1006b2", kill_on_drop: false }`
[INFO] [stdout] 1dd02ab9f389a6c9d3cfc52d2abb62156ca8ecc7deaccc1b3fbaec1ede1006b2
[INFO] checking wgfm/aoc against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgfm%2Faoc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wgfm/aoc on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wgfm/aoc
[INFO] finished tweaking git repo https://github.com/wgfm/aoc
[INFO] tweaked toml for git repo https://github.com/wgfm/aoc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wgfm/aoc 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aebafcfd2ceb878879554ad557d0a7497faeb717993bff2c164a46c57c266b2
[INFO] running `Command { std: "docker" "start" "-a" "3aebafcfd2ceb878879554ad557d0a7497faeb717993bff2c164a46c57c266b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aebafcfd2ceb878879554ad557d0a7497faeb717993bff2c164a46c57c266b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aebafcfd2ceb878879554ad557d0a7497faeb717993bff2c164a46c57c266b2", kill_on_drop: false }`
[INFO] [stdout] 3aebafcfd2ceb878879554ad557d0a7497faeb717993bff2c164a46c57c266b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f87d448788adf98e406caa5de457463569de00ef86ebce316fda3f4780c20f
[INFO] running `Command { std: "docker" "start" "-a" "66f87d448788adf98e406caa5de457463569de00ef86ebce316fda3f4780c20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
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[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter::Peekable`
[INFO] [stdout]  --> src/y2015/d5.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::Peekable};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `map`
[INFO] [stdout]  --> src/y2023/d2.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     combinator::{all_consuming, map},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d3.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/y2023/d5.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, ops::Range};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d7.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt`, `multi::many0`
[INFO] [stdout]  --> src/y2023/d8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     multi::many0,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d21.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d22.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Peekable`
[INFO] [stdout]  --> src/y2015/d5.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, iter::Peekable};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `map`
[INFO] [stdout]  --> src/y2023/d2.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     combinator::{all_consuming, map},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d3.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashSet`
[INFO] [stdout]  --> src/y2023/d5.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, ops::Range};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d7.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt`, `multi::many0`
[INFO] [stdout]  --> src/y2023/d8.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     multi::many0,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/y2023/d21.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/y2023/d22.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> src/y2023/d2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IResult, Parser,
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]   --> src/y2023/d8.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IResult, Parser,
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> src/y2023/d2.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IResult, Parser,
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]   --> src/y2023/d8.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IResult, Parser,
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/y2023/d16.rs:97:22
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     (x, 0) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     (0, y) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/y2023/d16.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     (x, 0) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     (0, y) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/y2023/d18.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (len, color) = input.split_once(" ").unwrap();
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/y2023/d21.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (map, start) = parse(&self.input);
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/y2023/d22.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |         .map(|(i, line)| {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/y2023/d4.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 65 |     number: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` 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: field `input` is never read
[INFO] [stdout]   --> src/problem.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pub struct Problem {
[INFO] [stdout]    |                    ------- field in this struct
[INFO] [stdout] 11 |             input: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/y2023/d6.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | solution!(2023, 6);
[INFO] [stdout]    | ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `solution` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT_ONE` is never used
[INFO] [stdout]    --> src/y2023/d20.rs:396:11
[INFO] [stdout]     |
[INFO] [stdout] 396 |     const INPUT_ONE: &'static str = "broadcaster -> a, b, c
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_a_one` is never used
[INFO] [stdout]    --> src/y2023/d20.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn test_a_one() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot_map` is never used
[INFO] [stdout]    --> src/y2023/d21.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn plot_map(map: &Vec<Vec<char>>, visited: &HashMap<(usize, usize), char>, start: (usize, usize)) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/y2023/d16.rs:97:22
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     (x, 0) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     (0, y) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/y2023/d16.rs:110:22
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     (x, 0) => {}
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/y2023/d16.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |                     (0, y) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/y2023/d18.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (len, color) = input.split_once(" ").unwrap();
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/y2023/d21.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (map, start) = parse(&self.input);
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/y2023/d22.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |         .map(|(i, line)| {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/y2023/d4.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 65 |     number: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` 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: field `input` is never read
[INFO] [stdout]   --> src/problem.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pub struct Problem {
[INFO] [stdout]    |                    ------- field in this struct
[INFO] [stdout] 11 |             input: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/y2023/d6.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | solution!(2023, 6);
[INFO] [stdout]    | ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `solution` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plot_map` is never used
[INFO] [stdout]    --> src/y2023/d21.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn plot_map(map: &Vec<Vec<char>>, visited: &HashMap<(usize, usize), char>, start: (usize, usize)) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.95s
[INFO] running `Command { std: "docker" "inspect" "66f87d448788adf98e406caa5de457463569de00ef86ebce316fda3f4780c20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f87d448788adf98e406caa5de457463569de00ef86ebce316fda3f4780c20f", kill_on_drop: false }`
[INFO] [stdout] 66f87d448788adf98e406caa5de457463569de00ef86ebce316fda3f4780c20f