[INFO] cloning repository https://github.com/jhelm-NDA/searchactivity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhelm-NDA/searchactivity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhelm-NDA%2Fsearchactivity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhelm-NDA%2Fsearchactivity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df375431639f556a79eda9dbb8e9ba71d8acc188
[INFO] checking jhelm-NDA/searchactivity against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhelm-NDA%2Fsearchactivity" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhelm-NDA/searchactivity
[INFO] finished tweaking git repo https://github.com/jhelm-NDA/searchactivity
[INFO] tweaked toml for git repo https://github.com/jhelm-NDA/searchactivity written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhelm-NDA/searchactivity on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jhelm-NDA/searchactivity 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261
[INFO] running `Command { std: "docker" "start" "e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking searchactivity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/linear.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn linear_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/linear.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn linear_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/binary.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binary_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/binary.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binary_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/jump.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn jump_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/linear.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn linear_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/jump.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn jump_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/interpolation.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn interpolation_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/interpolation.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn interpolation_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/linear.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn linear_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/exponential.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn exponential_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/binary.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binary_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/exponential.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn exponential_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/binary.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binary_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/jump.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn jump_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/jump.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn jump_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/interpolation.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn interpolation_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/interpolation.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn interpolation_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nums`
[INFO] [stdout]  --> src/exponential.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn exponential_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/ternary.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[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: unused variable: `target`
[INFO] [stdout]  --> src/exponential.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn exponential_search(nums: &[i32], target: i32) -> Option<usize> {
[INFO] [stdout]   |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/ternary.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[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/ternary.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[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: unused variable: `left`
[INFO] [stdout]  --> src/ternary.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/ternary.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                                         ----^^^^^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]  --> src/ternary.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]  --> src/ternary.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/ternary.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                                                         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]  --> src/ternary.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/ternary.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn ternary_search<F>(mut left: f64, mut right: f64, f: F) -> f64
[INFO] [stdout]   |                                                         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]  --> src/hashmap_search.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hashmap_search(map: &HashMap<i32, usize>, target: i32) -> Option<usize> {
[INFO] [stdout]   |                       ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]  --> src/hashmap_search.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hashmap_search(map: &HashMap<i32, usize>, target: i32) -> Option<usize> {
[INFO] [stdout]   |                       ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/hashmap_search.rs:5:50
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hashmap_search(map: &HashMap<i32, usize>, target: i32) -> Option<usize> {
[INFO] [stdout]   |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/hashmap_search.rs:5:50
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hashmap_search(map: &HashMap<i32, usize>, target: i32) -> Option<usize> {
[INFO] [stdout]   |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261", kill_on_drop: false }`
[INFO] [stdout] e1152e3d430f524956327357c38cb91bce412d71329c20122a78c783834f1261
