[INFO] cloning repository https://github.com/JoramirJr/fem-algos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoramirJr/fem-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoramirJr%2Ffem-algos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoramirJr%2Ffem-algos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70430351a59a1dcde87669a8c7576bd66a7e7d99 [INFO] checking JoramirJr/fem-algos against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoramirJr%2Ffem-algos" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/JoramirJr/fem-algos [INFO] finished tweaking git repo https://github.com/JoramirJr/fem-algos [INFO] tweaked toml for git repo https://github.com/JoramirJr/fem-algos written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/JoramirJr/fem-algos on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/JoramirJr/fem-algos 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70c4cddd33c36e35981e761dfc61c60350a0c748a8a821518f9b9d3d31e3d222 [INFO] running `Command { std: "docker" "start" "-a" "70c4cddd33c36e35981e761dfc61c60350a0c748a8a821518f9b9d3d31e3d222", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70c4cddd33c36e35981e761dfc61c60350a0c748a8a821518f9b9d3d31e3d222", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70c4cddd33c36e35981e761dfc61c60350a0c748a8a821518f9b9d3d31e3d222", kill_on_drop: false }` [INFO] [stdout] 70c4cddd33c36e35981e761dfc61c60350a0c748a8a821518f9b9d3d31e3d222 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 825cba32f41daa910101a516aacc5b17de4730b3e394edc87ba7038b16a05355 [INFO] running `Command { std: "docker" "start" "-a" "825cba32f41daa910101a516aacc5b17de4730b3e394edc87ba7038b16a05355", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking fem-algos-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `tail` is assigned to, but never used [INFO] [stdout] --> src/algos/queue.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 25 | Some(mut tail) => { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_tail` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tail` is never read [INFO] [stdout] --> src/algos/queue.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | tail = &mut Box::new(new_node); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bubble_sort` is never used [INFO] [stdout] --> src/algos/bubble_sort.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn bubble_sort(mut container: [usize; 7], mut idx: usize) -> [usize; 7] { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `crystal_balls_search` is never used [INFO] [stdout] --> src/algos/crystal_balls_search.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn crystal_balls_search(container: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `linear_search` is never used [INFO] [stdout] --> src/algos/linear_search.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn linear_search(container: [i32; 20], search: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/algos/queue.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/algos/queue.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `peek`, `enqueue`, and `deque` are never used [INFO] [stdout] --> src/algos/queue.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl List { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 15 | //the ideal scenario is a reference return [INFO] [stdout] 16 | fn peek(self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn enqueue(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn deque(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `tail` is assigned to, but never used [INFO] [stdout] --> src/algos/queue.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 25 | Some(mut tail) => { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_tail` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tail` is never read [INFO] [stdout] --> src/algos/queue.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | tail = &mut Box::new(new_node); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `linear_search` is never used [INFO] [stdout] --> src/algos/linear_search.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn linear_search(container: [i32; 20], search: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek` is never used [INFO] [stdout] --> src/algos/queue.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl List { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 15 | //the ideal scenario is a reference return [INFO] [stdout] 16 | fn peek(self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "825cba32f41daa910101a516aacc5b17de4730b3e394edc87ba7038b16a05355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825cba32f41daa910101a516aacc5b17de4730b3e394edc87ba7038b16a05355", kill_on_drop: false }` [INFO] [stdout] 825cba32f41daa910101a516aacc5b17de4730b3e394edc87ba7038b16a05355