[INFO] cloning repository https://github.com/khooj/aoc2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khooj/aoc2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhooj%2Faoc2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhooj%2Faoc2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd30893244a91d43782fc128e09e6f48f1017e98
[INFO] testing khooj/aoc2023 against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhooj%2Faoc2023" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khooj/aoc2023 on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khooj/aoc2023
[INFO] finished tweaking git repo https://github.com/khooj/aoc2023
[INFO] tweaked toml for git repo https://github.com/khooj/aoc2023 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/khooj/aoc2023 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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing khooj/aoc2023 against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhooj%2Faoc2023" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khooj/aoc2023 on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khooj/aoc2023
[INFO] finished tweaking git repo https://github.com/khooj/aoc2023
[INFO] tweaked toml for git repo https://github.com/khooj/aoc2023 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/khooj/aoc2023 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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9fa297dc4302634d84b16b9afe5953f5abf0b9d648b649a5ad3cf39b104163a
[INFO] running `Command { std: "docker" "start" "-a" "b9fa297dc4302634d84b16b9afe5953f5abf0b9d648b649a5ad3cf39b104163a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9fa297dc4302634d84b16b9afe5953f5abf0b9d648b649a5ad3cf39b104163a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fa297dc4302634d84b16b9afe5953f5abf0b9d648b649a5ad3cf39b104163a", kill_on_drop: false }`
[INFO] [stdout] b9fa297dc4302634d84b16b9afe5953f5abf0b9d648b649a5ad3cf39b104163a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a291b97cd659fa5817a92776277efce31542bb780e36d41540d2a5b988abc49
[INFO] running `Command { std: "docker" "start" "-a" "9a291b97cd659fa5817a92776277efce31542bb780e36d41540d2a5b988abc49", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling _2_cube_conundrum v0.1.0 (/opt/rustwide/workdir/_2_cube_conundrum)
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling _1_trebuchet v0.1.0 (/opt/rustwide/workdir/_1_trebuchet)
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.10.1
[INFO] [stderr]    Compiling _5_fertilizer v0.1.0 (/opt/rustwide/workdir/_5_fertilizer)
[INFO] [stderr]    Compiling _3_gear_ratios v0.1.0 (/opt/rustwide/workdir/_3_gear_ratios)
[INFO] [stderr]    Compiling _4_scratchcards v0.1.0 (/opt/rustwide/workdir/_4_scratchcards)
[INFO] [stderr]    Compiling _6_wait_for_it v0.1.0 (/opt/rustwide/workdir/_6_wait_for_it)
[INFO] [stderr]    Compiling _7_camel_cards v0.1.0 (/opt/rustwide/workdir/_7_camel_cards)
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> _6_wait_for_it/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char`, `pair`, `preceded`, `terminated`, `u32`
[INFO] [stdout]  --> _6_wait_for_it/src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{char, multispace0, newline, u32, u64},
[INFO] [stdout]   |                           ^^^^                        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     sequence::{delimited, pair, preceded, terminated},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `branch::alt`
[INFO] [stdout]  --> _5_fertilizer/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `replace_with` is never read
[INFO] [stdout]    --> _7_camel_cards/src/priority_queue.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let mut replace_with = idx;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `old_hand` is never used
[INFO] [stdout]   --> _7_camel_cards/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Hand {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     fn old_hand(s: &str) -> Hand {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_winnings` is never used
[INFO] [stdout]    --> _7_camel_cards/src/main.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn total_winnings(s: &str) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_elems` is never used
[INFO] [stdout]    --> _7_camel_cards/src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn unique_elems(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pq` is never constructed
[INFO] [stdout]  --> _7_camel_cards/src/priority_queue.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Pq<T: Ord + Eq + std::fmt::Debug> {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Pq` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> _7_camel_cards/src/priority_queue.rs:12:12
[INFO] [stdout]     |
[INFO] [stdout] 11  | impl<T: Ord + Eq + std::fmt::Debug> Pq<T> {
[INFO] [stdout]     | ----------------------------------------- associated items in this implementation
[INFO] [stdout] 12  |     pub fn new(n: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20  |     fn left_idx(idx: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24  |     fn right_idx(idx: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28  |     fn sign_parent_idx(idx: usize) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     fn parent_idx(idx: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37  |     fn left(&self, idx: usize) -> Option<&LinkedList<T>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41  |     fn left_mut(&mut self, idx: usize) -> &mut LinkedList<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47  |     fn right(&self, idx: usize) -> Option<&LinkedList<T>> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51  |     fn right_mut(&mut self, idx: usize) -> &mut LinkedList<T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     pub fn insert(&mut self, item: T) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     fn shift_up(&mut self, mut idx: usize) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn get(&mut self) -> Option<LinkedList<T>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn shift_down(&mut self, mut idx: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "9a291b97cd659fa5817a92776277efce31542bb780e36d41540d2a5b988abc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a291b97cd659fa5817a92776277efce31542bb780e36d41540d2a5b988abc49", kill_on_drop: false }`
[INFO] [stdout] 9a291b97cd659fa5817a92776277efce31542bb780e36d41540d2a5b988abc49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da071dda793a3d9c22c2d943edbe47df66b9560c06f9a4481da9022cfbd00af6
[INFO] running `Command { std: "docker" "start" "-a" "da071dda793a3d9c22c2d943edbe47df66b9560c06f9a4481da9022cfbd00af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling _1_trebuchet v0.1.0 (/opt/rustwide/workdir/_1_trebuchet)
[INFO] [stderr]    Compiling _2_cube_conundrum v0.1.0 (/opt/rustwide/workdir/_2_cube_conundrum)
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling _6_wait_for_it v0.1.0 (/opt/rustwide/workdir/_6_wait_for_it)
[INFO] [stderr]    Compiling _5_fertilizer v0.1.0 (/opt/rustwide/workdir/_5_fertilizer)
[INFO] [stderr]    Compiling _7_camel_cards v0.1.0 (/opt/rustwide/workdir/_7_camel_cards)
[INFO] [stderr]    Compiling _4_scratchcards v0.1.0 (/opt/rustwide/workdir/_4_scratchcards)
[INFO] [stderr]    Compiling _3_gear_ratios v0.1.0 (/opt/rustwide/workdir/_3_gear_ratios)
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> _6_wait_for_it/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char`, `pair`, `preceded`, `terminated`, `u32`
[INFO] [stdout]  --> _6_wait_for_it/src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{char, multispace0, newline, u32, u64},
[INFO] [stdout]   |                           ^^^^                        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     sequence::{delimited, pair, preceded, terminated},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `branch::alt`
[INFO] [stdout]  --> _5_fertilizer/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `replace_with` is never read
[INFO] [stdout]    --> _7_camel_cards/src/priority_queue.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let mut replace_with = idx;
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `old_hand` is never used
[INFO] [stdout]   --> _7_camel_cards/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Hand {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     fn old_hand(s: &str) -> Hand {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_winnings` is never used
[INFO] [stdout]    --> _7_camel_cards/src/main.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn total_winnings(s: &str) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unique_elems` is never used
[INFO] [stdout]    --> _7_camel_cards/src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn unique_elems(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `sign_parent_idx`, `left_mut`, and `right_mut` are never used
[INFO] [stdout]   --> _7_camel_cards/src/priority_queue.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T: Ord + Eq + std::fmt::Debug> Pq<T> {
[INFO] [stdout]    | ----------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn sign_parent_idx(idx: usize) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn left_mut(&mut self, idx: usize) -> &mut LinkedList<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn right_mut(&mut self, idx: usize) -> &mut LinkedList<T> {
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "da071dda793a3d9c22c2d943edbe47df66b9560c06f9a4481da9022cfbd00af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da071dda793a3d9c22c2d943edbe47df66b9560c06f9a4481da9022cfbd00af6", kill_on_drop: false }`
[INFO] [stdout] da071dda793a3d9c22c2d943edbe47df66b9560c06f9a4481da9022cfbd00af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ab5986cb54a29bde628ebb39f6627a3c39268ba65ae148d3b89a6c7bebfa82c
[INFO] running `Command { std: "docker" "start" "-a" "1ab5986cb54a29bde628ebb39f6627a3c39268ba65ae148d3b89a6c7bebfa82c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `branch::alt`
[INFO] [stderr]  --> _5_fertilizer/src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     branch::alt,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `replace_with` is never read
[INFO] [stderr]    --> _7_camel_cards/src/priority_queue.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let mut replace_with = idx;
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `old_hand` is never used
[INFO] [stderr]   --> _7_camel_cards/src/main.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Hand {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 27 |     fn old_hand(s: &str) -> Hand {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `total_winnings` is never used
[INFO] [stderr]    --> _7_camel_cards/src/main.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn total_winnings(s: &str) -> u64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unique_elems` is never used
[INFO] [stderr]    --> _7_camel_cards/src/main.rs:202:4
[INFO] [stderr]     |
[INFO] [stderr] 202 | fn unique_elems(s: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `sign_parent_idx`, `left_mut`, and `right_mut` are never used
[INFO] [stderr]   --> _7_camel_cards/src/priority_queue.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<T: Ord + Eq + std::fmt::Debug> Pq<T> {
[INFO] [stderr]    | ----------------------------------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 28 |     fn sign_parent_idx(idx: usize) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     fn left_mut(&mut self, idx: usize) -> &mut LinkedList<T> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     fn right_mut(&mut self, idx: usize) -> &mut LinkedList<T> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::debug`
[INFO] [stderr]  --> _6_wait_for_it/src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use log::debug;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `char`, `pair`, `preceded`, `terminated`, `u32`
[INFO] [stderr]  --> _6_wait_for_it/src/main.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 |     character::complete::{char, multispace0, newline, u32, u64},
[INFO] [stderr]   |                           ^^^^                        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 7 |     sequence::{delimited, pair, preceded, terminated},
[INFO] [stderr]   |                           ^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `_5_fertilizer` (bin "_5_fertilizer" test) generated 1 warning (run `cargo fix --bin "_5_fertilizer" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `_7_camel_cards` (bin "_7_camel_cards" test) generated 5 warnings
[INFO] [stderr] warning: `_6_wait_for_it` (bin "_6_wait_for_it" test) generated 2 warnings (run `cargo fix --bin "_6_wait_for_it" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_1_trebuchet-4fc63f2af811655b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_2_cube_conundrum-edd526b8a29c197c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_3_gear_ratios-b0e92fb6329eb47f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_4_scratchcards-1d87deef322da816)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_5_fertilizer-a8b1e835bdb0b34b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_6_wait_for_it-315d5dd4b003dfac)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_7_camel_cards-571f5f5d08aad132)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test priority_queue::tests::check_many ... ok
[INFO] [stdout] test priority_queue::tests::check_simple ... ok
[INFO] [stdout] test priority_queue::tests::parent_idx ... ok
[INFO] [stdout] test tests::parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utils-533cb04e571e3643)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utils
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ab5986cb54a29bde628ebb39f6627a3c39268ba65ae148d3b89a6c7bebfa82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab5986cb54a29bde628ebb39f6627a3c39268ba65ae148d3b89a6c7bebfa82c", kill_on_drop: false }`
[INFO] [stdout] 1ab5986cb54a29bde628ebb39f6627a3c39268ba65ae148d3b89a6c7bebfa82c