[INFO] cloning repository camccar/Rust-Binary-Tree [INFO] running `"git" "clone" "--bare" "git://github.com/camccar/Rust-Binary-Tree.git" "work/cache/sources/gh/camccar/Rust-Binary-Tree"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/camccar/Rust-Binary-Tree'... [INFO] running `"git" "clone" "work/cache/sources/gh/camccar/Rust-Binary-Tree" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/camccar/Rust-Binary-Tree"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/camccar/Rust-Binary-Tree'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/camccar/Rust-Binary-Tree" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/camccar/Rust-Binary-Tree"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/camccar/Rust-Binary-Tree'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 075cf6d6999864324671efa448c3e687996ad24c [INFO] sha for GitHub repo camccar/Rust-Binary-Tree: 075cf6d6999864324671efa448c3e687996ad24c [INFO] validating manifest of camccar/Rust-Binary-Tree on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of camccar/Rust-Binary-Tree on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing camccar/Rust-Binary-Tree [INFO] finished frobbing camccar/Rust-Binary-Tree [INFO] frobbed toml for camccar/Rust-Binary-Tree written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/camccar/Rust-Binary-Tree/Cargo.toml [INFO] started frobbing camccar/Rust-Binary-Tree [INFO] finished frobbing camccar/Rust-Binary-Tree [INFO] frobbed toml for camccar/Rust-Binary-Tree written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/camccar/Rust-Binary-Tree/Cargo.toml [INFO] crate camccar/Rust-Binary-Tree already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking camccar/Rust-Binary-Tree against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/camccar/Rust-Binary-Tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e37f361f1f80709725a345aa1c310c164a8e8867890233432c0a1da04798d5f1 [INFO] running `"docker" "start" "-a" "e37f361f1f80709725a345aa1c310c164a8e8867890233432c0a1da04798d5f1"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking tree v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: type `Avl_Tree` should have an upper camel case name [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Avl_Tree { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `AvlTree` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: type `Avl_Tree` should have an upper camel case name [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Avl_Tree { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `AvlTree` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:348:13 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool1` is never read [INFO] [stderr] --> src/main.rs:311:21 [INFO] [stderr] | [INFO] [stderr] 311 | let mut bool1 = false; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool2` is never read [INFO] [stderr] --> src/main.rs:312:21 [INFO] [stderr] | [INFO] [stderr] 312 | let mut bool2 = false; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:174:37 [INFO] [stderr] | [INFO] [stderr] 174 | fn recurse_build (n_d:&Node,mut tree:&mut Vec>,depth:i32) { [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/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `delete_right` [INFO] [stderr] --> src/main.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_right(&mut self){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_left_value` [INFO] [stderr] --> src/main.rs:211:5 [INFO] [stderr] | [INFO] [stderr] 211 | fn get_left_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_right_value` [INFO] [stderr] --> src/main.rs:226:5 [INFO] [stderr] | [INFO] [stderr] 226 | fn get_right_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:348:13 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool1` is never read [INFO] [stderr] --> src/main.rs:311:21 [INFO] [stderr] | [INFO] [stderr] 311 | let mut bool1 = false; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bool2` is never read [INFO] [stderr] --> src/main.rs:312:21 [INFO] [stderr] | [INFO] [stderr] 312 | let mut bool2 = false; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `A_Tree` should have a snake case name [INFO] [stderr] --> src/main.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let mut A_Tree = Avl_Tree::new(100); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `a_tree` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:174:37 [INFO] [stderr] | [INFO] [stderr] 174 | fn recurse_build (n_d:&Node,mut tree:&mut Vec>,depth:i32) { [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/main.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut root = Node::new(100); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `delete_right` [INFO] [stderr] --> src/main.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | fn delete_right(&mut self){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_left_value` [INFO] [stderr] --> src/main.rs:211:5 [INFO] [stderr] | [INFO] [stderr] 211 | fn get_left_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_right_value` [INFO] [stderr] --> src/main.rs:226:5 [INFO] [stderr] | [INFO] [stderr] 226 | fn get_right_value(&self)-> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `A_Tree` should have a snake case name [INFO] [stderr] --> src/main.rs:346:13 [INFO] [stderr] | [INFO] [stderr] 346 | let mut A_Tree = Avl_Tree::new(100); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `a_tree` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "e37f361f1f80709725a345aa1c310c164a8e8867890233432c0a1da04798d5f1"` [INFO] running `"docker" "rm" "-f" "e37f361f1f80709725a345aa1c310c164a8e8867890233432c0a1da04798d5f1"` [INFO] [stdout] e37f361f1f80709725a345aa1c310c164a8e8867890233432c0a1da04798d5f1