[INFO] cloning repository https://github.com/tonykuttai/Rust-Graph-Algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonykuttai/Rust-Graph-Algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykuttai%2FRust-Graph-Algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykuttai%2FRust-Graph-Algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c65c565c2c3ac4e7d5a9382f36e68c08a8f6d135
[INFO] checking tonykuttai/Rust-Graph-Algorithms against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykuttai%2FRust-Graph-Algorithms" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tonykuttai/Rust-Graph-Algorithms
[INFO] finished tweaking git repo https://github.com/tonykuttai/Rust-Graph-Algorithms
[INFO] tweaked toml for git repo https://github.com/tonykuttai/Rust-Graph-Algorithms written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tonykuttai/Rust-Graph-Algorithms on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tonykuttai/Rust-Graph-Algorithms 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 time v0.1.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e35c28892de9c88ccc2f241f66a69bdc39162084c8bd95318146a5fc90a45f00
[INFO] running `Command { std: "docker" "start" "-a" "e35c28892de9c88ccc2f241f66a69bdc39162084c8bd95318146a5fc90a45f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e35c28892de9c88ccc2f241f66a69bdc39162084c8bd95318146a5fc90a45f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35c28892de9c88ccc2f241f66a69bdc39162084c8bd95318146a5fc90a45f00", kill_on_drop: false }`
[INFO] [stdout] e35c28892de9c88ccc2f241f66a69bdc39162084c8bd95318146a5fc90a45f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70aacb6a5a7487452ce239124ce0f04084305e241ba69b383112d5c749aecf47
[INFO] running `Command { std: "docker" "start" "-a" "70aacb6a5a7487452ce239124ce0f04084305e241ba69b383112d5c749aecf47", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/istree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/istree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/istree.rs:82:40
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     let mut adj_list = (adj_list.lock().unwrap());
[INFO] [stdout]    |                                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -                     let mut adj_list = (adj_list.lock().unwrap());
[INFO] [stdout] 82 +                     let mut adj_list = adj_list.lock().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/istree.rs:82:40
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     let mut adj_list = (adj_list.lock().unwrap());
[INFO] [stdout]    |                                        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -                     let mut adj_list = (adj_list.lock().unwrap());
[INFO] [stdout] 82 +                     let mut adj_list = adj_list.lock().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let mut row: usize = nodes;
[INFO] [stdout]    |           ----^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let mut row: usize = nodes;
[INFO] [stdout]    |           ----^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn tree(mut adj_list: &mut Vec< Vec<usize>>,mut visited: &mut Vec<bool>,index:usize,flag:bool,nodes: usize)->bool{
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn tree(mut adj_list: &mut Vec< Vec<usize>>,mut visited: &mut Vec<bool>,index:usize,flag:bool,nodes: usize)->bool{
[INFO] [stdout]    |                                             ----^^^^^^^
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn tree(mut adj_list: &mut Vec< Vec<usize>>,mut visited: &mut Vec<bool>,index:usize,flag:bool,nodes: usize)->bool{
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn tree(mut adj_list: &mut Vec< Vec<usize>>,mut visited: &mut Vec<bool>,index:usize,flag:bool,nodes: usize)->bool{
[INFO] [stdout]    |                                             ----^^^^^^^
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/istree.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/istree.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec<usize>>,nodes: usize){
[INFO] [stdout]    |                   ----^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut adj_list= Arc::new(Mutex::new(adj_list));
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `row_del` should have an upper case name
[INFO] [stdout]  --> src/istree.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | static mut row_del: usize = 0;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 9 - static mut row_del: usize = 0;
[INFO] [stdout] 9 + static mut ROW_DEL: usize = 0;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec<usize>>,nodes: usize){
[INFO] [stdout]    |                   ----^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/istree.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut adj_list= Arc::new(Mutex::new(adj_list));
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `row_del` should have an upper case name
[INFO] [stdout]  --> src/istree.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | static mut row_del: usize = 0;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 9 - static mut row_del: usize = 0;
[INFO] [stdout] 9 + static mut ROW_DEL: usize = 0;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:27:63
[INFO] [stdout]    |
[INFO] [stdout] 27 | ...                   Error::description(&why)),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:34:63
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   Error::description(&why)),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:27:63
[INFO] [stdout]    |
[INFO] [stdout] 27 | ...                   Error::description(&why)),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:34:63
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   Error::description(&why)),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "70aacb6a5a7487452ce239124ce0f04084305e241ba69b383112d5c749aecf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70aacb6a5a7487452ce239124ce0f04084305e241ba69b383112d5c749aecf47", kill_on_drop: false }`
[INFO] [stdout] 70aacb6a5a7487452ce239124ce0f04084305e241ba69b383112d5c749aecf47
