[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] testing tonykuttai/Rust-Graph-Algorithms against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonykuttai%2FRust-Graph-Algorithms" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tonykuttai/Rust-Graph-Algorithms on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/tonykuttai/Rust-Graph-Algorithms already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a5897412652a8a8f3c12ada50278d2f408c6ef53d3623070b143d45ac70bdd5 [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" "4a5897412652a8a8f3c12ada50278d2f408c6ef53d3623070b143d45ac70bdd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a5897412652a8a8f3c12ada50278d2f408c6ef53d3623070b143d45ac70bdd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a5897412652a8a8f3c12ada50278d2f408c6ef53d3623070b143d45ac70bdd5", kill_on_drop: false }` [INFO] [stdout] 4a5897412652a8a8f3c12ada50278d2f408c6ef53d3623070b143d45ac70bdd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21fc327f362e9c4884d4f444ace95d38638cbfc91d603f5935ba02e584485ef8 [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" "21fc327f362e9c4884d4f444ace95d38638cbfc91d603f5935ba02e584485ef8", kill_on_drop: false }` [INFO] [stderr] Compiling winapi v0.2.7 [INFO] [stderr] Compiling libc v0.2.11 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] Compiling 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)]` 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)]` 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)]` 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>,mut visited: &mut Vec,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>,mut visited: &mut Vec,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:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec>,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: 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)]` on by default [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] | ^^^^^^^ help: convert the identifier to upper case: `ROW_DEL` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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 associated function `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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.64s [INFO] running `Command { std: "docker" "inspect" "21fc327f362e9c4884d4f444ace95d38638cbfc91d603f5935ba02e584485ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21fc327f362e9c4884d4f444ace95d38638cbfc91d603f5935ba02e584485ef8", kill_on_drop: false }` [INFO] [stdout] 21fc327f362e9c4884d4f444ace95d38638cbfc91d603f5935ba02e584485ef8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c5b20d7355c3577761c6a9d5d395d2dcce1807fcabc3d0b5e59388bffbfb7b3 [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" "1c5b20d7355c3577761c6a9d5d395d2dcce1807fcabc3d0b5e59388bffbfb7b3", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` 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)]` 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)]` 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>,mut visited: &mut Vec,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>,mut visited: &mut Vec,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:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec>,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: 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)]` on by default [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] | ^^^^^^^ help: convert the identifier to upper case: `ROW_DEL` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [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)]` 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)]` 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: use of deprecated associated function `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 associated function `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: 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)]` 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>,mut visited: &mut Vec,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>,mut visited: &mut Vec,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:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec>,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: 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)]` on by default [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] | ^^^^^^^ help: convert the identifier to upper case: `ROW_DEL` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "1c5b20d7355c3577761c6a9d5d395d2dcce1807fcabc3d0b5e59388bffbfb7b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c5b20d7355c3577761c6a9d5d395d2dcce1807fcabc3d0b5e59388bffbfb7b3", kill_on_drop: false }` [INFO] [stdout] 1c5b20d7355c3577761c6a9d5d395d2dcce1807fcabc3d0b5e59388bffbfb7b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a1b0bb8ffc375d36d9373062b09eb78c80c98e4c0148117f73d969f1f972ff67 [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" "a1b0bb8ffc375d36d9373062b09eb78c80c98e4c0148117f73d969f1f972ff67", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stdout] running 1 test [INFO] [stderr] --> src/istree.rs:2:5 [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 2 | use std::path::Path; [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/istree.rs:82:40 [INFO] [stderr] | [INFO] [stderr] 82 | let mut adj_list = (adj_list.lock().unwrap()); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 82 - let mut adj_list = (adj_list.lock().unwrap()); [INFO] [stderr] 82 + let mut adj_list = adj_list.lock().unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/istree.rs:15:11 [INFO] [stderr] | [INFO] [stderr] 15 | let mut row: usize = nodes; [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/istree.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | fn tree(mut adj_list: &mut Vec< Vec>,mut visited: &mut Vec,index:usize,flag:bool,nodes: usize)->bool{ [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/istree.rs:38:45 [INFO] [stderr] | [INFO] [stderr] 38 | fn tree(mut adj_list: &mut Vec< Vec>,mut visited: &mut Vec,index:usize,flag:bool,nodes: usize)->bool{ [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/istree.rs:61:19 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn check_tree(mut adj_list_c: &mut Vec< Vec>,nodes: usize){ [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/istree.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut adj_list= Arc::new(Mutex::new(adj_list)); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/istree.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `row_del` should have an upper case name [INFO] [stderr] --> src/istree.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | static mut row_del: usize = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `ROW_DEL` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tree` (lib) generated 9 warnings [INFO] [stderr] warning: `tree` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:27:63 [INFO] [stderr] | [INFO] [stderr] 27 | ... Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:34:63 [INFO] [stderr] | [INFO] [stderr] 34 | ... Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `tree` (bin "tree" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tree-e30c34af5eef2bca) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tree-8aafe3dbd2af74a1) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests tree [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> /opt/rustwide/workdir/src/istree.rs:82:40 [INFO] [stderr] | [INFO] [stderr] 82 | let mut adj_list = (adj_list.lock().unwrap()); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 82 - let mut adj_list = (adj_list.lock().unwrap()); [INFO] [stderr] 82 + let mut adj_list = adj_list.lock().unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: 1 warning emitted [INFO] [stdout] running 0 tests [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a1b0bb8ffc375d36d9373062b09eb78c80c98e4c0148117f73d969f1f972ff67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1b0bb8ffc375d36d9373062b09eb78c80c98e4c0148117f73d969f1f972ff67", kill_on_drop: false }` [INFO] [stdout] a1b0bb8ffc375d36d9373062b09eb78c80c98e4c0148117f73d969f1f972ff67