[INFO] cloning repository https://github.com/XMLHexagram/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XMLHexagram/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXMLHexagram%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXMLHexagram%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78e45250a0126f984b9a8722f76ef87b1d747af1
[INFO] testing XMLHexagram/leetcode-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXMLHexagram%2Fleetcode-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XMLHexagram/leetcode-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XMLHexagram/leetcode-rust
[INFO] finished tweaking git repo https://github.com/XMLHexagram/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/XMLHexagram/leetcode-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/XMLHexagram/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46ba745e97617a3798bfd918b19fbd8d0552d40a0c7ca1887aad62a0f691bd83
[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" "46ba745e97617a3798bfd918b19fbd8d0552d40a0c7ca1887aad62a0f691bd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ba745e97617a3798bfd918b19fbd8d0552d40a0c7ca1887aad62a0f691bd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ba745e97617a3798bfd918b19fbd8d0552d40a0c7ca1887aad62a0f691bd83", kill_on_drop: false }`
[INFO] [stdout] 46ba745e97617a3798bfd918b19fbd8d0552d40a0c7ca1887aad62a0f691bd83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 7aa32e226b3fa17939f7b340c44de3e1f8622eb3c5c16afb4c3ee73c6511d7dd
[INFO] running `Command { std: "docker" "start" "-a" "7aa32e226b3fa17939f7b340c44de3e1f8622eb3c5c16afb4c3ee73c6511d7dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling delete_and_earn_740_22_03_05 v0.1.0 (/opt/rustwide/workdir/delete_and_earn_740_22_03_05)
[INFO] [stderr]    Compiling rotate_list_61_22_03_12 v0.1.0 (/opt/rustwide/workdir/rotate_list_61_22_03_12)
[INFO] [stderr]    Compiling merge_two_sorted_lists_21_22_03_08 v0.1.0 (/opt/rustwide/workdir/merge_two_sorted_lists_21_22_03_08)
[INFO] [stderr]    Compiling count_all_valid_pickup_and_deliveryo_options_1359_22_03_06 v0.1.0 (/opt/rustwide/workdir/count_all_valid_pickup_and_deliveryo_options_1359_22_03_06)
[INFO] [stderr]    Compiling champagne_tower_799-22-03-03 v0.1.0 (/opt/rustwide/workdir/champagne_tower_799-22-03-03)
[INFO] [stderr]    Compiling arithmetic_slices-413-22-03-03 v0.1.0 (/opt/rustwide/workdir/arithmetic_slices-413-22-03-03)
[INFO] [stderr]    Compiling add_two_numbers_2_22_03_11 v0.1.0 (/opt/rustwide/workdir/add_two_numbers_2_22_03_11)
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]   --> delete_and_earn_740_22_03_05/src/main.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 | use std::{collections::HashMap, hash::Hash};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `walk` is never read
[INFO] [stdout]   --> rotate_list_61_22_03_12/src/main.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut walk = 0;
[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: unused variable: `prv`
[INFO] [stdout]   --> rotate_list_61_22_03_12/src/main.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let mut prv = &Box::new(ListNode::new(-1000));
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_prv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rotate_list_61_22_03_12/src/main.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let mut prv = &Box::new(ListNode::new(-1000));
[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] error[E0594]: cannot assign to `node.next`, which is behind a `&` reference
[INFO] [stdout]   --> rotate_list_61_22_03_12/src/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut node = &head1;
[INFO] [stdout]    |                                ------ help: consider changing this to be a mutable reference: `&mut head1`
[INFO] [stdout] ...
[INFO] [stdout] 34 |                 node.next = head;
[INFO] [stdout]    |                 ^^^^^^^^^ `node` is a `&` reference, so the data it refers to cannot be written
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of partially moved value: `head`
[INFO] [stdout]   --> rotate_list_61_22_03_12/src/main.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Some(head1) => {
[INFO] [stdout]    |                  ----- value partially moved here
[INFO] [stdout] ...
[INFO] [stdout] 34 |                 node.next = head;
[INFO] [stdout]    |                             ^^^^ value used here after partial move
[INFO] [stdout]    |
[INFO] [stdout]    = note: partial move occurs because value has type `Box<ListNode>`, which does not implement the `Copy` trait
[INFO] [stdout] help: borrow this field in the pattern to avoid moving `head.0`
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Some(ref head1) => {
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> add_two_numbers_2_22_03_11/src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]   --> add_two_numbers_2_22_03_11/src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Solution {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wrap`
[INFO] [stdout]   --> add_two_numbers_2_22_03_11/src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn wrap(self) -> Option<Box<Self>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_two_numbers`
[INFO] [stdout]   --> add_two_numbers_2_22_03_11/src/main.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn add_two_numbers(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rotate_list_61_22_03_12` due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] Some errors have detailed explanations: E0382, E0594.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> count_all_valid_pickup_and_deliveryo_options_1359_22_03_06/src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOD`
[INFO] [stdout]  --> count_all_valid_pickup_and_deliveryo_options_1359_22_03_06/src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MOD:i128 = 1_000_000_007;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_orders`
[INFO] [stdout]   --> count_all_valid_pickup_and_deliveryo_options_1359_22_03_06/src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn count_orders(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> merge_two_sorted_lists_21_22_03_08/src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Solution {}
[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: `new`
[INFO] [stdout]   --> merge_two_sorted_lists_21_22_03_08/src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge_two_lists`
[INFO] [stdout]   --> merge_two_sorted_lists_21_22_03_08/src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7aa32e226b3fa17939f7b340c44de3e1f8622eb3c5c16afb4c3ee73c6511d7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa32e226b3fa17939f7b340c44de3e1f8622eb3c5c16afb4c3ee73c6511d7dd", kill_on_drop: false }`
[INFO] [stdout] 7aa32e226b3fa17939f7b340c44de3e1f8622eb3c5c16afb4c3ee73c6511d7dd