[INFO] cloning repository https://github.com/PravinKumar95/simple-calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PravinKumar95/simple-calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPravinKumar95%2Fsimple-calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPravinKumar95%2Fsimple-calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 652d2715eb75006550ba2a363dd36fb0c5dcb04b
[INFO] checking PravinKumar95/simple-calc against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPravinKumar95%2Fsimple-calc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PravinKumar95/simple-calc on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/PravinKumar95/simple-calc
[INFO] finished tweaking git repo https://github.com/PravinKumar95/simple-calc
[INFO] tweaked toml for git repo https://github.com/PravinKumar95/simple-calc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/PravinKumar95/simple-calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 742285e6246fbb8cb914b0c5b1350129f6edde144d2f9581e7ad15b3c1657325
[INFO] running `Command { std: "docker" "start" "-a" "742285e6246fbb8cb914b0c5b1350129f6edde144d2f9581e7ad15b3c1657325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742285e6246fbb8cb914b0c5b1350129f6edde144d2f9581e7ad15b3c1657325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742285e6246fbb8cb914b0c5b1350129f6edde144d2f9581e7ad15b3c1657325", kill_on_drop: false }`
[INFO] [stdout] 742285e6246fbb8cb914b0c5b1350129f6edde144d2f9581e7ad15b3c1657325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 722180dc3c625a9cbbc1a642563b70683ef6a03adb630a70fe0efe7a5511d90c
[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" "722180dc3c625a9cbbc1a642563b70683ef6a03adb630a70fe0efe7a5511d90c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         for (mut i,mut text) in &mut query.iter(){
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[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:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut text = text_query.get_mut::<Text>(children[0]).unwrap();
[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:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         for (mut i,mut text) in &mut query.iter(){
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         for (mut i,mut text) in &mut query.iter(){
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[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:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut text = text_query.get_mut::<Text>(children[0]).unwrap();
[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: associated function is never used: `set_display`
[INFO] [stdout]   --> src/calc.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn set_display(&mut self,val:f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `btnSymbols` should have a snake case name
[INFO] [stdout]    --> src/main.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     let btnSymbols = 
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `btn_symbols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |         for (mut i,mut text) in &mut query.iter(){
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_display`
[INFO] [stdout]   --> src/calc.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn set_display(&mut self,val:f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `btnSymbols` should have a snake case name
[INFO] [stdout]    --> src/main.rs:197:25
[INFO] [stdout]     |
[INFO] [stdout] 197 |                     let btnSymbols = 
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `btn_symbols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 15s
[INFO] running `Command { std: "docker" "inspect" "722180dc3c625a9cbbc1a642563b70683ef6a03adb630a70fe0efe7a5511d90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722180dc3c625a9cbbc1a642563b70683ef6a03adb630a70fe0efe7a5511d90c", kill_on_drop: false }`
[INFO] [stdout] 722180dc3c625a9cbbc1a642563b70683ef6a03adb630a70fe0efe7a5511d90c
