[INFO] cloning repository https://github.com/modulitos/CtCI-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modulitos/CtCI-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2FCtCI-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2FCtCI-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8bbaa49c3eca43a77cf1a2cea1b6f98071ad2c78 [INFO] checking modulitos/CtCI-rust against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2FCtCI-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modulitos/CtCI-rust on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/modulitos/CtCI-rust [INFO] finished tweaking git repo https://github.com/modulitos/CtCI-rust [INFO] tweaked toml for git repo https://github.com/modulitos/CtCI-rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/modulitos/CtCI-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19c105b87303b2589815a0b035a2badab57c9fef14c244709e59eedcf4ed8c5c [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" "19c105b87303b2589815a0b035a2badab57c9fef14c244709e59eedcf4ed8c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19c105b87303b2589815a0b035a2badab57c9fef14c244709e59eedcf4ed8c5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19c105b87303b2589815a0b035a2badab57c9fef14c244709e59eedcf4ed8c5c", kill_on_drop: false }` [INFO] [stdout] 19c105b87303b2589815a0b035a2badab57c9fef14c244709e59eedcf4ed8c5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9fe7ec1dff98374467df9994c6f44fd020bc4f434ecbc20d2b5dafc30d6c573 [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" "c9fe7ec1dff98374467df9994c6f44fd020bc4f434ecbc20d2b5dafc30d6c573", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Checking rust-solutions v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/linked_list/second.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | pub type Link = Option<(Box>)>; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::List` [INFO] [stdout] --> src/linked_list/second.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | use super::List; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/linked_list/third.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/linked_list/fifth.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/linked_list/refcell_singly.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/stack.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/binary_search_tree.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ord`, `Ordering` [INFO] [stdout] --> src/graph.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/graph.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/binary_tree.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/binary_tree_refcell.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/binary_search_tree_refcell.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 128 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/linked_list/second.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | pub type Link = Option<(Box>)>; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/linked_list/third.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/linked_list/fifth.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ord`, `Ordering` [INFO] [stdout] --> src/graph.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/linked_list/second.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn new() -> Self { [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: `into_iter` [INFO] [stdout] --> src/linked_list/second.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/linked_list/second.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_mut` [INFO] [stdout] --> src/linked_list/second.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/linked_list/second.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/linked_list/second.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_mut` [INFO] [stdout] --> src/linked_list/second.rs:123:12 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/linked_list/third.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/linked_list/third.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn append(&mut self, elem: T) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/linked_list/third.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn tail(&self) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> src/linked_list/third.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/linked_list/third.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/linked_list/fourth.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn new(elem: T) -> Rc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/linked_list/fourth.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_front` [INFO] [stdout] --> src/linked_list/fourth.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn push_front(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_front` [INFO] [stdout] --> src/linked_list/fourth.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn peek_front(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `prev` [INFO] [stdout] --> src/linked_list/brandon.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | prev: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/linked_list/brandon.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn tail(node: &NodeRef) -> Option> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/linked_list/brandon.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn remove(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/linked_list/brandon.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/linked_list/brandon.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | fn append(&mut self, new_value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/linked_list/brandon.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn tail(&self) -> Option> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/linked_list/brandon.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `list_has_duplicates` [INFO] [stdout] --> src/linked_list/brandon.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | fn list_has_duplicates(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/linked_list/brandon.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | fn remove_duplicates(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/linked_list/brandon.rs:228:4 [INFO] [stdout] | [INFO] [stdout] 228 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/linked_list/fifth.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/linked_list/fifth.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/linked_list/fifth.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 41 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RCBTreeNode as Node` [INFO] [stdout] --> src/bin/ch4-p8_first-common-ancestor.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 6 | use cracking::{RCBTree as Tree, RCBTreeNode as Node, RCBinaryTree as BinaryTree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/ch4-p8_first-common-ancestor.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `ch4_p8_first_common_ancestor` [INFO] [stdout] --> src/bin/ch4-p8_first-common-ancestor.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | / use cracking::{RCBTree as Tree, RCBTreeNode as Node, RCBinaryTree as BinaryTree}; [INFO] [stdout] 7 | | use std::rc::Rc; [INFO] [stdout] 8 | | [INFO] [stdout] 9 | | trait FirstCommonAncestor { [INFO] [stdout] ... | [INFO] [stdout] 242 | | } [INFO] [stdout] 243 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/bin/ch4-p8_first-common-ancestor.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/ch4-p1_route-between-nodes.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/ch4-p4_check-balanced.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `ch4_p4_check_balanced` [INFO] [stdout] --> src/bin/ch4-p4_check-balanced.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | / use cracking::{BinarySearchTree, Tree}; [INFO] [stdout] 7 | | use std::cmp; [INFO] [stdout] 8 | | [INFO] [stdout] 9 | | trait CheckBalanced { [INFO] [stdout] ... | [INFO] [stdout] 97 | | } [INFO] [stdout] 98 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/bin/ch4-p4_check-balanced.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `ch4_p1_route_between_nodes` [INFO] [stdout] --> src/bin/ch4-p1_route-between-nodes.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / use std::collections::HashSet; [INFO] [stdout] 5 | | use std::collections::VecDeque; [INFO] [stdout] 6 | | [INFO] [stdout] 7 | | struct ASimpleGraph { [INFO] [stdout] ... | [INFO] [stdout] 110 | | } [INFO] [stdout] 111 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/bin/ch4-p1_route-between-nodes.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-solutions` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/bin/ch1-p4_palindrom-permutation.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 30 | if let Some(value) = map.get(&c) { [INFO] [stdout] | --- immutable borrow occurs here [INFO] [stdout] 31 | map.insert(c, value + 1); [INFO] [stdout] | ^^^ ----- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stack.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | let mut s: Stack = Stack::new(); [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] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `delete_middle_node` [INFO] [stdout] --> src/bin/ch2-p3_delete-middle-node.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn delete_middle_node(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `list_has_duplicates` [INFO] [stdout] --> src/linked_list/brandon.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | fn list_has_duplicates(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/linked_list/brandon.rs:228:4 [INFO] [stdout] | [INFO] [stdout] 228 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c9fe7ec1dff98374467df9994c6f44fd020bc4f434ecbc20d2b5dafc30d6c573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9fe7ec1dff98374467df9994c6f44fd020bc4f434ecbc20d2b5dafc30d6c573", kill_on_drop: false }` [INFO] [stdout] c9fe7ec1dff98374467df9994c6f44fd020bc4f434ecbc20d2b5dafc30d6c573