[INFO] fetching crate ece_421_sam_cynthia_aditya_trees 0.1.1...
[INFO] checking ece_421_sam_cynthia_aditya_trees-0.1.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate ece_421_sam_cynthia_aditya_trees 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ece_421_sam_cynthia_aditya_trees 0.1.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ece_421_sam_cynthia_aditya_trees 0.1.1
[INFO] finished tweaking crates.io crate ece_421_sam_cynthia_aditya_trees 0.1.1
[INFO] tweaked toml for crates.io crate ece_421_sam_cynthia_aditya_trees 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate ece_421_sam_cynthia_aditya_trees 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d219f6384762195ec6c8ad3394003cc5ce563219a24d86cf70f729f041e9de99
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling serde v1.0.124
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[INFO] [stderr]     Checking ece_421_sam_cynthia_aditya_trees v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/AVLTree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `thread_rng`
[INFO] [stdout]  --> src/AVLTree.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/RBTree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `thread_rng`
[INFO] [stdout]  --> src/RBTree.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:382:36
[INFO] [stdout]     |
[INFO] [stdout] 382 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 382 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 382 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:388:36
[INFO] [stdout]     |
[INFO] [stdout] 388 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 388 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 388 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_nodes_in_order` is never used
[INFO] [stdout]    --> src/AVLTree.rs:439:8
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl AVLTree {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 439 |     fn get_nodes_in_order(&self) -> Vec<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_nodes_in_order` is never used
[INFO] [stdout]    --> src/RBTree.rs:654:8
[INFO] [stdout]     |
[INFO] [stdout] 46  | impl RBTree {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 654 |     fn get_nodes_in_order(&self) -> Vec<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AVLTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod AVLTree;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RBTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod RBTree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `rbtree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/AVLTree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `thread_rng`
[INFO] [stdout]  --> src/AVLTree.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/RBTree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `thread_rng`
[INFO] [stdout]  --> src/RBTree.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:382:36
[INFO] [stdout]     |
[INFO] [stdout] 382 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 382 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 382 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:388:36
[INFO] [stdout]     |
[INFO] [stdout] 388 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 388 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 388 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search` and `get_nodes_in_order` are never used
[INFO] [stdout]    --> src/AVLTree.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 168 | impl AVLTree {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn search(&self, val: u32) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 439 |     fn get_nodes_in_order(&self) -> Vec<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search` and `get_nodes_in_order` are never used
[INFO] [stdout]    --> src/RBTree.rs:353:12
[INFO] [stdout]     |
[INFO] [stdout] 46  | impl RBTree {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 353 |     pub fn search(&mut self, val: u32) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 654 |     fn get_nodes_in_order(&self) -> Vec<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AVLTree` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod AVLTree;
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case: `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RBTree` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod RBTree;
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `rbtree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0432]: unresolved import `project2`
[INFO] [stdout]  --> benches/benchmark.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use project2::{AVLTree, RBTree};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `project2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cmp::Ordering`
[INFO] [stdout]  --> benches/benchmark.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{cmp::Ordering, u32};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/AVLTree.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/RBTree.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:382:36
[INFO] [stdout]     |
[INFO] [stdout] 382 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 382 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 382 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/AVLTree.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:388:36
[INFO] [stdout]     |
[INFO] [stdout] 388 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 388 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 388 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/RBTree.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:382:36
[INFO] [stdout]     |
[INFO] [stdout] 382 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 382 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 382 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/RBTree.rs:388:36
[INFO] [stdout]     |
[INFO] [stdout] 388 |                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout]     |                                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 388 -                     Some(ref y) => (Some(y.clone())),
[INFO] [stdout] 388 +                     Some(ref y) => Some(y.clone()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ece_421_sam_cynthia_aditya_trees` (bench "benchmark") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: module `AVLTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod AVLTree;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RBTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod RBTree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `rbtree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `AVLTree` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod AVLTree;
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case: `avltree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RBTree` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod RBTree;
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to snake case: `rbtree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71bad85a3145a6db9aadbb488047e17e0cae9838c8ddfaf18ceffd387ed0e79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bad85a3145a6db9aadbb488047e17e0cae9838c8ddfaf18ceffd387ed0e79c", kill_on_drop: false }`
[INFO] [stdout] 71bad85a3145a6db9aadbb488047e17e0cae9838c8ddfaf18ceffd387ed0e79c