[INFO] cloning repository https://github.com/sierisimo/algorith-mx-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sierisimo/algorith-mx-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsierisimo%2Falgorith-mx-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsierisimo%2Falgorith-mx-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4a8a431f68c65eb9e9d50ab3a00a451fbf973f2
[INFO] checking sierisimo/algorith-mx-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsierisimo%2Falgorith-mx-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sierisimo/algorith-mx-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sierisimo/algorith-mx-rust
[INFO] finished tweaking git repo https://github.com/sierisimo/algorith-mx-rust
[INFO] tweaked toml for git repo https://github.com/sierisimo/algorith-mx-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/sierisimo/algorith-mx-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a358761d5c1945bc1a180479d7387fea3d9272f1f5cf0e27914c376e2722f27
[INFO] running `Command { std: "docker" "start" "-a" "6a358761d5c1945bc1a180479d7387fea3d9272f1f5cf0e27914c376e2722f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a358761d5c1945bc1a180479d7387fea3d9272f1f5cf0e27914c376e2722f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a358761d5c1945bc1a180479d7387fea3d9272f1f5cf0e27914c376e2722f27", kill_on_drop: false }`
[INFO] [stdout] 6a358761d5c1945bc1a180479d7387fea3d9272f1f5cf0e27914c376e2722f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eea3789077e01c920a52a41437a10efc14f00a2376f4051a009120c98be319b
[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" "0eea3789077e01c920a52a41437a10efc14f00a2376f4051a009120c98be319b", kill_on_drop: false }`
[INFO] [stderr]     Checking algorith-mx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/main.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     while(idx_start != idx_end){
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numberToSearch`
[INFO] [stdout]  --> src/main.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numberToSearch`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut idx_start = 0;
[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/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut idx_end = arrayOfInts.len();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bigO` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |    ^^^^ help: convert the identifier to snake case: `big_o`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `arrayOfInts` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `array_of_ints`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numberToSearch` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `number_to_search`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/main.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     while(idx_start != idx_end){
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numberToSearch`
[INFO] [stdout]  --> src/main.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numberToSearch`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut idx_start = 0;
[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/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut idx_end = arrayOfInts.len();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bigO` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |    ^^^^ help: convert the identifier to snake case: `big_o`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `arrayOfInts` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `array_of_ints`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numberToSearch` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn bigO(arrayOfInts: Vec<u32>, numberToSearch: u32) {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `number_to_search`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "0eea3789077e01c920a52a41437a10efc14f00a2376f4051a009120c98be319b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eea3789077e01c920a52a41437a10efc14f00a2376f4051a009120c98be319b", kill_on_drop: false }`
[INFO] [stdout] 0eea3789077e01c920a52a41437a10efc14f00a2376f4051a009120c98be319b