[INFO] cloning repository https://github.com/FUTingFei/algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FUTingFei/algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFUTingFei%2Falgo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFUTingFei%2Falgo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37afd0c150a545c2c986a15c9cd7cd73532edfa9
[INFO] checking FUTingFei/algo against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFUTingFei%2Falgo" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FUTingFei/algo on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FUTingFei/algo
[INFO] finished tweaking git repo https://github.com/FUTingFei/algo
[INFO] tweaked toml for git repo https://github.com/FUTingFei/algo written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/FUTingFei/algo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leetcode_prelude v0.2.2
[INFO] [stderr]   Downloaded leetcode_test v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cd3bde79d6f30bf11091239bb6cc5916494a165c2f2ee0690ec96306d472c62
[INFO] running `Command { std: "docker" "start" "-a" "8cd3bde79d6f30bf11091239bb6cc5916494a165c2f2ee0690ec96306d472c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd3bde79d6f30bf11091239bb6cc5916494a165c2f2ee0690ec96306d472c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd3bde79d6f30bf11091239bb6cc5916494a165c2f2ee0690ec96306d472c62", kill_on_drop: false }`
[INFO] [stdout] 8cd3bde79d6f30bf11091239bb6cc5916494a165c2f2ee0690ec96306d472c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca76e08753c91d88f2b71004fa98b199135f54efa7027f77d24a1ac0b286c09
[INFO] running `Command { std: "docker" "start" "-a" "fca76e08753c91d88f2b71004fa98b199135f54efa7027f77d24a1ac0b286c09", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling leetcode_test v0.1.1
[INFO] [stderr]     Checking leetcode_prelude v0.2.2
[INFO] [stderr]     Checking algo v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/n206reverse_list.rs (1 fix)
[INFO] [stderr]        Fixed src/n876middle_node.rs (1 fix)
[INFO] [stderr]        Fixed src/n404sum_of_left_leaves.rs (1 fix)
[INFO] [stderr]        Fixed src/n002add_two_numbers.rs (1 fix)
[INFO] [stderr]        Fixed src/n111min_depth.rs (1 fix)
[INFO] [stderr]        Fixed src/n257binary_tree_paths.rs (1 fix)
[INFO] [stderr]        Fixed src/n1002common_chars.rs (1 fix)
[INFO] [stderr]        Fixed src/n110is_balanced.rs (1 fix)
[INFO] [stderr]        Fixed src/n310find_min_height_trees.rs (2 fixes)
[INFO] [stderr]        Fixed src/n401read_binary_watch.rs (1 fix)
[INFO] [stderr]        Fixed src/n226invert_tree.rs (1 fix)
[INFO] [stderr]        Fixed src/n392is_subsequence.rs (3 fixes)
[INFO] [stderr]        Fixed src/n437path_sum.rs (2 fixes)
[INFO] [stderr]        Fixed src/n004find_median_sorted_arrays.rs (2 fixes)
[INFO] [stderr]        Fixed src/n108sorted_array_to_bst.rs (1 fix)
[INFO] [stderr]        Fixed src/interview/i11min_array.rs (1 fix)
[INFO] [stderr]        Fixed src/n107level_order_bottom.rs (1 fix)
[INFO] [stderr]        Fixed src/interview/i07build_tree.rs (1 fix)
[INFO] [stderr]        Fixed src/n100is_same_tree.rs (1 fix)
[INFO] [stderr]        Fixed src/n112has_path_sum.rs (1 fix)
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n437path_sum.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let root = btree![10,5,-3,3,2,null,11,3,-2,null,1];
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n404sum_of_left_leaves.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let tree = btree![1,2];
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n257binary_tree_paths.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let tree = btree![1,2,3,null,5];
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n226invert_tree.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let res = btree![4,7,2,9,6,3,1];
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n226invert_tree.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let tree = btree![4,2,7,1,3,6,9];
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n112has_path_sum.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let tree1 = btree![5,4,8,11,null,13,4,7,2,null,null,null,1];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n111min_depth.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let tree1 = btree![3,9,20,null,null,15,7];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n110is_balanced.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let tree2 = btree![1,2,2,3,3,null,null,4,4];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n110is_balanced.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let tree1 = btree![3,9,20,null,null,15,7];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n108sorted_array_to_bst.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let res = btree![0,-3,9,-10,null,5];
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n107level_order_bottom.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let tree = btree![3,9,20,null,null,15,7];
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n100is_same_tree.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let tree6 = btree![1,1,2];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n100is_same_tree.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let tree5 = btree![1,2,1];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n100is_same_tree.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let tree4 = btree![1,null,2];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n100is_same_tree.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let tree3 = btree![1,2];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n100is_same_tree.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let tree2 = btree![1,2,3];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/n100is_same_tree.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let tree1 = btree![1,2,3];
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n876middle_node.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let res = linkedlist![4,5,6];
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n876middle_node.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut head = linkedlist![1,2,3,4,5,6];
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n876middle_node.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let res = linkedlist![3,4,5];
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n876middle_node.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut head = linkedlist![1,2,3,4,5];
[INFO] [stdout]    |                        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n206reverse_list.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let res = linkedlist![5,4,3,2,1];
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n206reverse_list.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let list1 = linkedlist![1,2,3,4,5];
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n002add_two_numbers.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let res = linkedlist![0,1];
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n002add_two_numbers.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let list2 = linkedlist![5];
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `linkedlist` in this scope
[INFO] [stdout]   --> src/n002add_two_numbers.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let list1 = linkedlist![5];
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::linkedlist
[INFO] [stdout]            leetcode_prelude::linkedlist
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `btree` in this scope
[INFO] [stdout]   --> src/interview/i07build_tree.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let res = btree![3,9,20,null,null,15,7];
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing one of these items:
[INFO] [stdout]            crate::n203remove_elements::leetcode_prelude::btree
[INFO] [stdout]            leetcode_prelude::btree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/n392is_subsequence.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 return false;
[INFO] [stdout]    |                 ------------ any code following this expression is unreachable
[INFO] [stdout] 17 |                 break;
[INFO] [stdout]    |                 ^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> src/n1002common_chars.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let res = Solution::common_chars(a);
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::interview::i00example::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::interview::i03find_repeat_number::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::interview::i04find_number_in2_d_array::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::interview::i05replace_space::Solution;
[INFO] [stdout]    |
[INFO] [stdout]      and 65 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> src/n392is_subsequence.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let res = Solution::is_subsequence(s, t);
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use crate::interview::i00example::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use crate::interview::i03find_repeat_number::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use crate::interview::i04find_number_in2_d_array::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use crate::interview::i05replace_space::Solution;
[INFO] [stdout]    |
[INFO] [stdout]      and 65 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> src/n401read_binary_watch.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |         assert_eq!(res, Solution::read_binary_watch(1));
[INFO] [stdout]    |                         ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use crate::interview::i00example::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use crate::interview::i03find_repeat_number::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use crate::interview::i04find_number_in2_d_array::Solution;
[INFO] [stdout]    |
[INFO] [stdout] 37 |     use crate::interview::i05replace_space::Solution;
[INFO] [stdout]    |
[INFO] [stdout]      and 65 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/interview/i00example.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `re` is never read
[INFO] [stdout]  --> src/n035search_insert.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut re = 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: value assigned to `res` is never read
[INFO] [stdout]  --> src/n058length_of_last_word.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut res = 0;
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]  --> src/n058length_of_last_word.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut i = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]  --> src/n441arrange_coins.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let mut res = 0;
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/n392is_subsequence.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 return false;
[INFO] [stdout]    |                 ------------ any code following this expression is unreachable
[INFO] [stdout] 17 |                 break;
[INFO] [stdout]    |                 ^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CQueue`
[INFO] [stdout]  --> src/interview/i09c_queue.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CQueue {
[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]  --> src/interview/i09c_queue.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_tail`
[INFO] [stdout]   --> src/interview/i09c_queue.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn append_tail(&mut self, value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_head`
[INFO] [stdout]   --> src/interview/i09c_queue.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn delete_head(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/n1002common_chars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `common_chars`
[INFO] [stdout]  --> src/n1002common_chars.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn common_chars(a: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/n310find_min_height_trees.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_min_height_trees`
[INFO] [stdout]  --> src/n310find_min_height_trees.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn find_min_height_trees(_n: i32, _edges: Vec<Vec<i32>>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/n392is_subsequence.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_subsequence`
[INFO] [stdout]  --> src/n392is_subsequence.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn is_subsequence(s: String, t: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MinStack`
[INFO] [stdout]  --> src/n155min_stack.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MinStack {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/n155min_stack.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/n155min_stack.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/n155min_stack.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn pop(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> src/n155min_stack.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_min`
[INFO] [stdout]   --> src/n155min_stack.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_min(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_min`
[INFO] [stdout]   --> src/n155min_stack.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn update_min(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyStack`
[INFO] [stdout]  --> src/n225my_stack.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyStack {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/n225my_stack.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/n225my_stack.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/n225my_stack.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top`
[INFO] [stdout]   --> src/n225my_stack.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn top(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/n225my_stack.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyQueue`
[INFO] [stdout]  --> src/n232my_queue.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MyQueue {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/n232my_queue.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/n232my_queue.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/n232my_queue.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/n232my_queue.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn peek(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/n232my_queue.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumArray`
[INFO] [stdout]  --> src/n303num_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NumArray {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/n303num_array.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(nums: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_range`
[INFO] [stdout]   --> src/n303num_array.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn sum_range(&mut self, i: i32, j: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/n401read_binary_watch.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_binary_watch`
[INFO] [stdout]  --> src/n401read_binary_watch.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn read_binary_watch(num: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_one`
[INFO] [stdout]   --> src/n401read_binary_watch.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn count_one(n: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `n191hammingWeight` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub mod n191hammingWeight;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `n191hamming_weight`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prevMax` should have a snake case name
[INFO] [stdout]  --> src/n198rob.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let mut prevMax = 0;
[INFO] [stdout]   |                 ^^^^^^^ help: convert the identifier to snake case: `prev_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currMax` should have a snake case name
[INFO] [stdout]  --> src/n198rob.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let mut currMax = 0;
[INFO] [stdout]   |                 ^^^^^^^ help: convert the identifier to snake case: `curr_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hammingWeight` should have a snake case name
[INFO] [stdout]  --> src/n191hammingWeight.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn hammingWeight (n: u32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to snake case: `hamming_weight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] error: aborting due to 30 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algo` due to 31 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/n443compress.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub 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: `compress`
[INFO] [stdout]  --> src/n443compress.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn compress(chars: &mut Vec<char>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "fca76e08753c91d88f2b71004fa98b199135f54efa7027f77d24a1ac0b286c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca76e08753c91d88f2b71004fa98b199135f54efa7027f77d24a1ac0b286c09", kill_on_drop: false }`
[INFO] [stdout] fca76e08753c91d88f2b71004fa98b199135f54efa7027f77d24a1ac0b286c09