[INFO] updating cached repository https://github.com/zxiang77/lc-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f934f613283d466141dbb5bb8f537e7613127271 [INFO] testing zxiang77/lc-rs against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zxiang77/lc-rs on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/zxiang77/lc-rs [INFO] finished tweaking git repo https://github.com/zxiang77/lc-rs [INFO] tweaked toml for git repo https://github.com/zxiang77/lc-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/zxiang77/lc-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e51ce2c76fba094a9783771083737fc6715595205fdf3a830e3f647c4e732ea2 [INFO] running `"docker" "start" "-a" "e51ce2c76fba094a9783771083737fc6715595205fdf3a830e3f647c4e732ea2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling lc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/utils/node.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/utils/node.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/sol/q1028.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/sol/q1028.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dep` [INFO] [stderr] --> src/sol/q1028.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sol/q1028.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | let mut cur = Solution::peek(&stack); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/utils/node.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn new(val: i32) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/sol/q1028.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct Solution { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `recover_from_preorder` [INFO] [stderr] --> src/sol/q1028.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn recover_from_preorder(s: String) -> Option>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/sol/q1028.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn peek(v: &Vec>>) -> Rc> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_next` [INFO] [stderr] --> src/sol/q1028.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | fn parse_next(s: &str) -> (Option>>, usize, &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `TheDarkKnight` [INFO] [stderr] --> src/main.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct TheDarkKnight; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `nothing_is_true` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | fn nothing_is_true(self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "e51ce2c76fba094a9783771083737fc6715595205fdf3a830e3f647c4e732ea2"` [INFO] running `"docker" "rm" "-f" "e51ce2c76fba094a9783771083737fc6715595205fdf3a830e3f647c4e732ea2"` [INFO] [stdout] e51ce2c76fba094a9783771083737fc6715595205fdf3a830e3f647c4e732ea2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 68dd4a23b6ae8da7ca23e3257578889005a5399e8739fce7250c9e2c88bd4665 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "68dd4a23b6ae8da7ca23e3257578889005a5399e8739fce7250c9e2c88bd4665"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling lc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/utils/node.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/utils/node.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/sol/q1028.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dep` [INFO] [stderr] --> src/sol/q1028.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut node2 = TreeNode::new(6); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut node4 = TreeNode::new(3); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut node5 = TreeNode::new(2); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut node2 = TreeNode::new(6); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut node4 = TreeNode::new(4); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut node5 = TreeNode::new(3); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sol/q1028.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | let mut cur = Solution::peek(&stack); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_single_node` [INFO] [stderr] --> src/utils/node.rs:90:8 [INFO] [stderr] | [INFO] [stderr] 90 | fn get_single_node() -> TreeNode { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_single_node_tree` [INFO] [stderr] --> src/utils/node.rs:94:8 [INFO] [stderr] | [INFO] [stderr] 94 | fn test_single_node_tree() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `TheDarkKnight` [INFO] [stderr] --> src/main.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct TheDarkKnight; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `nothing_is_true` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | fn nothing_is_true(self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `"docker" "inspect" "68dd4a23b6ae8da7ca23e3257578889005a5399e8739fce7250c9e2c88bd4665"` [INFO] running `"docker" "rm" "-f" "68dd4a23b6ae8da7ca23e3257578889005a5399e8739fce7250c9e2c88bd4665"` [INFO] [stdout] 68dd4a23b6ae8da7ca23e3257578889005a5399e8739fce7250c9e2c88bd4665 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9b9ff76cb0f5e71ff6a11721afa630ece273b2c8952e1b558fbfe7015c2b6c3b [INFO] running `"docker" "start" "-a" "9b9ff76cb0f5e71ff6a11721afa630ece273b2c8952e1b558fbfe7015c2b6c3b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/utils/node.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/utils/node.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/sol/q1028.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dep` [INFO] [stderr] --> src/sol/q1028.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut node2 = TreeNode::new(6); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut node4 = TreeNode::new(3); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut node5 = TreeNode::new(2); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut node2 = TreeNode::new(6); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut node4 = TreeNode::new(4); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut node5 = TreeNode::new(3); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sol/q1028.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | let mut cur = Solution::peek(&stack); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_single_node` [INFO] [stderr] --> src/utils/node.rs:90:8 [INFO] [stderr] | [INFO] [stderr] 90 | fn get_single_node() -> TreeNode { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_single_node_tree` [INFO] [stderr] --> src/utils/node.rs:94:8 [INFO] [stderr] | [INFO] [stderr] 94 | fn test_single_node_tree() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `TheDarkKnight` [INFO] [stderr] --> src/main.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct TheDarkKnight; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `nothing_is_true` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | fn nothing_is_true(self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lc_rs-664977df8232c9c9 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test utils::node::node_tests::test_tree_equality ... ok [INFO] [stdout] test utils::node::node_tests::test_inequality ... ok [INFO] [stdout] test sol::q1028::q1028_test::test_run ... ok [INFO] [stdout] test utils::node::node_tests::test_complex_tree_equality ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "9b9ff76cb0f5e71ff6a11721afa630ece273b2c8952e1b558fbfe7015c2b6c3b"` [INFO] running `"docker" "rm" "-f" "9b9ff76cb0f5e71ff6a11721afa630ece273b2c8952e1b558fbfe7015c2b6c3b"` [INFO] [stdout] 9b9ff76cb0f5e71ff6a11721afa630ece273b2c8952e1b558fbfe7015c2b6c3b