[INFO] cloning repository https://github.com/dnguyen-23/SigFigs-Error-Calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnguyen-23/SigFigs-Error-Calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnguyen-23%2FSigFigs-Error-Calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnguyen-23%2FSigFigs-Error-Calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5c17c739c6c1a4bd69f618ffd99e1951b02f058
[INFO] checking dnguyen-23/SigFigs-Error-Calculator against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnguyen-23%2FSigFigs-Error-Calculator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnguyen-23/SigFigs-Error-Calculator on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dnguyen-23/SigFigs-Error-Calculator
[INFO] finished tweaking git repo https://github.com/dnguyen-23/SigFigs-Error-Calculator
[INFO] tweaked toml for git repo https://github.com/dnguyen-23/SigFigs-Error-Calculator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dnguyen-23/SigFigs-Error-Calculator 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d253f80f9d68b816b84a786c8b1abd27d17913fb16318d334662fa0bbbd387
[INFO] running `Command { std: "docker" "start" "-a" "20d253f80f9d68b816b84a786c8b1abd27d17913fb16318d334662fa0bbbd387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d253f80f9d68b816b84a786c8b1abd27d17913fb16318d334662fa0bbbd387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d253f80f9d68b816b84a786c8b1abd27d17913fb16318d334662fa0bbbd387", kill_on_drop: false }`
[INFO] [stdout] 20d253f80f9d68b816b84a786c8b1abd27d17913fb16318d334662fa0bbbd387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dddeec67fbf5ee6928f78db9cbd507798efb9cb9fed6696c03a7a4212404f26a
[INFO] running `Command { std: "docker" "start" "-a" "dddeec67fbf5ee6928f78db9cbd507798efb9cb9fed6696c03a7a4212404f26a", kill_on_drop: false }`
[INFO] [stderr]     Checking Error_Calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]   --> src/main.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut diff: Vec<[String; 3]> = Vec::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[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:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut diff: Vec<[String; 3]> = Vec::new();
[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: value assigned to `result_str` is never read
[INFO] [stdout]    --> src/main.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut result_str = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut error: f32 = (error1.parse::<f32>().unwrap().powf(2.0) + error2.parse::<f32>().unwrap().powf(2.0)).powf(0.5);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:288:14
[INFO] [stdout]     |
[INFO] [stdout] 288 |         for (idx, letter) in raw_str_error.chars().enumerate() {   
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:382:14
[INFO] [stdout]     |
[INFO] [stdout] 382 |         for (idx, letter) in raw_str_error.chars().enumerate() {   
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut error = error1.parse::<f64>().unwrap() * constant as f64;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:497:10
[INFO] [stdout]     |
[INFO] [stdout] 497 |     for (idx, value) in number.chars().enumerate() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |     let mut n_dec_idx = number.find(".").unwrap();
[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/main.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |     let mut e_dec_idx = error.find(".").unwrap();
[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/main.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |     let mut e_dec_places = (error[e_dec_idx..].len() as u32 - 1_u32) as i32;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn print_number(msmt_vector: & Vec<u32>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]   --> src/main.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut diff: Vec<[String; 3]> = Vec::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[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:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut diff: Vec<[String; 3]> = Vec::new();
[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: value assigned to `result_str` is never read
[INFO] [stdout]    --> src/main.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut result_str = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut error: f32 = (error1.parse::<f32>().unwrap().powf(2.0) + error2.parse::<f32>().unwrap().powf(2.0)).powf(0.5);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:288:14
[INFO] [stdout]     |
[INFO] [stdout] 288 |         for (idx, letter) in raw_str_error.chars().enumerate() {   
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:382:14
[INFO] [stdout]     |
[INFO] [stdout] 382 |         for (idx, letter) in raw_str_error.chars().enumerate() {   
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut error = error1.parse::<f64>().unwrap() * constant as f64;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:497:10
[INFO] [stdout]     |
[INFO] [stdout] 497 |     for (idx, value) in number.chars().enumerate() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |     let mut n_dec_idx = number.find(".").unwrap();
[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/main.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |     let mut e_dec_idx = error.find(".").unwrap();
[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/main.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |     let mut e_dec_places = (error[e_dec_idx..].len() as u32 - 1_u32) as i32;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn print_number(msmt_vector: & Vec<u32>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "dddeec67fbf5ee6928f78db9cbd507798efb9cb9fed6696c03a7a4212404f26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddeec67fbf5ee6928f78db9cbd507798efb9cb9fed6696c03a7a4212404f26a", kill_on_drop: false }`
[INFO] [stdout] dddeec67fbf5ee6928f78db9cbd507798efb9cb9fed6696c03a7a4212404f26a
