[INFO] cloning repository https://github.com/K7NGhost/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/K7NGhost/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK7NGhost%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK7NGhost%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30d6aec42e321a138582b97d2b2fbfbcbaa1d1ad
[INFO] checking K7NGhost/leetcode-rust against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK7NGhost%2Fleetcode-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/K7NGhost/leetcode-rust
[INFO] finished tweaking git repo https://github.com/K7NGhost/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/K7NGhost/leetcode-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/K7NGhost/leetcode-rust on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/K7NGhost/leetcode-rust 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436
[INFO] running `Command { std: "docker" "start" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::slice::SliceIndex`
[INFO] [stdout]  --> src/bin/977squares-of-a-sorted-array.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::slice::SliceIndex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::absolute`
[INFO] [stdout]  --> src/bin/1438longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::VecDeque, path::absolute, vec};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::absolute`
[INFO] [stdout]  --> src/bin/1438longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{collections::VecDeque, path::absolute, vec};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/92reverse-linked-list-ii.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut n5 = Some(Box::new(ListNode::new(5)));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ans_string` is never read
[INFO] [stdout]   --> src/bin/71simplify-path.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut ans_string = String::default();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 35 |         ans_string = stack.join("/");
[INFO] [stdout]    |         ---------- `ans_string` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/bin/1438longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let test = vec![8, 2, 4, 7];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/bin/1438longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let test = vec![8, 2, 4, 7];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_arr`
[INFO] [stdout]   --> src/bin/268missing-number.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let test_arr = vec![9, 6, 4, 2, 3, 5, 7, 0, 1];
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_arr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/bin/71simplify-path.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let test_string = String::from("/home//foo/");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid character '.' in crate name: `1133.largest_unique_number`
[INFO] [stdout]   |
[INFO] [stdout]   = note: crate names may only contain alphanumeric characters or underscores
[INFO] [stdout]   = help: you might have meant to use `--crate-name=1133_largest_unique_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-rust` (bin "1133.largest-unique-number") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `env::VarError::NotUnicode`
[INFO] [stdout]  --> src/bin/83remove-duplicates-from-sorted-list.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env::VarError::NotUnicode, println};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/bin/1047remove-all-adjacent-duplicates-in-string.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let test_string = String::from("abbaca");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/bin/844backspace-string-compare.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let test = String::from("ab#c");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test2`
[INFO] [stdout]   --> src/bin/844backspace-string-compare.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let test2 = String::from("ad#c");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_test2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test3`
[INFO] [stdout]   --> src/bin/844backspace-string-compare.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let test3 = String::from("ab##");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_test3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test4`
[INFO] [stdout]   --> src/bin/844backspace-string-compare.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let test4 = String::from("c#d#");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_test4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/1189maximum-number-of-balloons.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::i32::MAX;
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/1189maximum-number-of-balloons.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut ans = MAX;
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/83remove-duplicates-from-sorted-list.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut n5 = ListNode::new(3);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/1189maximum-number-of-balloons.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_number_of_balloons` is never used
[INFO] [stdout]   --> src/bin/1189maximum-number-of-balloons.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn max_number_of_balloons(text: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_arr`
[INFO] [stdout]   --> src/bin/268missing-number.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let test_arr = vec![9, 6, 4, 2, 3, 5, 7, 0, 1];
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_arr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436", kill_on_drop: false }`
[INFO] [stdout] 651615a503e2df3c1b452008296214d4fc38eb0bf6a6d0d44be11a80d0825436
