[INFO] cloning repository https://github.com/YJH16120/Kalculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YJH16120/Kalculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2FKalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2FKalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da62a1a33aaefe0495a1b124ce334a9d2fb1670a
[INFO] checking YJH16120/Kalculator against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2FKalculator" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YJH16120/Kalculator on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YJH16120/Kalculator
[INFO] finished tweaking git repo https://github.com/YJH16120/Kalculator
[INFO] tweaked toml for git repo https://github.com/YJH16120/Kalculator written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/YJH16120/Kalculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.3
[INFO] [stderr]   Downloaded atomic_refcell v0.1.7
[INFO] [stderr]   Downloaded x11-clipboard v0.5.2
[INFO] [stderr]   Downloaded egui v0.12.0
[INFO] [stderr]   Downloaded egui_glium v0.12.0
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded addr2line v0.15.1
[INFO] [stderr]   Downloaded object v0.24.0
[INFO] [stderr]   Downloaded emath v0.12.0
[INFO] [stderr]   Downloaded ordered-float v2.5.0
[INFO] [stderr]   Downloaded epaint v0.12.0
[INFO] [stderr]   Downloaded backtrace v0.3.59
[INFO] [stderr]   Downloaded webbrowser v0.5.5
[INFO] [stderr]   Downloaded egui_web v0.12.0
[INFO] [stderr]   Downloaded epi v0.12.0
[INFO] [stderr]   Downloaded eframe v0.12.0
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acaf7487b848a717590d989e6ba6fe33cda57c518381c0d567d77c5aac29d626
[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" "acaf7487b848a717590d989e6ba6fe33cda57c518381c0d567d77c5aac29d626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acaf7487b848a717590d989e6ba6fe33cda57c518381c0d567d77c5aac29d626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acaf7487b848a717590d989e6ba6fe33cda57c518381c0d567d77c5aac29d626", kill_on_drop: false }`
[INFO] [stdout] acaf7487b848a717590d989e6ba6fe33cda57c518381c0d567d77c5aac29d626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb1dc7adfe72dc7b1965484dbf1e6f15fb0aa8bde3012f94c849f152b9a990fb
[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" "bb1dc7adfe72dc7b1965484dbf1e6f15fb0aa8bde3012f94c849f152b9a990fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
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[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling wayland-sys v0.28.5
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[INFO] [stderr]    Compiling gl_generator v0.14.0
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[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.3
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[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ordered-float v2.5.0
[INFO] [stderr]     Checking epaint v0.12.0
[INFO] [stderr]     Checking egui v0.12.0
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking epi v0.12.0
[INFO] [stderr]     Checking wayland-cursor v0.28.5
[INFO] [stderr]     Checking wayland-egl v0.28.5
[INFO] [stderr]     Checking x11-clipboard v0.5.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking smithay-clipboard v0.6.3
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking egui_glium v0.12.0
[INFO] [stderr]     Checking eframe v0.12.0
[INFO] [stderr]     Checking kal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `egui::TextStyle`
[INFO] [stdout]  --> src/app.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use egui::TextStyle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `egui::TextStyle`
[INFO] [stdout]  --> src/app.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use egui::TextStyle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]   --> src/app.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let Self { display, answer } = self;
[INFO] [stdout]    |                             ^^^^^^ help: try ignoring the field: `answer: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/app.rs:34:46
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn update(&mut self, ctx: &egui::CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parsing.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let token = self.token_type;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]   --> src/app.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let Self { display, answer } = self;
[INFO] [stdout]    |                             ^^^^^^ help: try ignoring the field: `answer: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/app.rs:34:46
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn update(&mut self, ctx: &egui::CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parsing.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let token = self.token_type;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Expression`
[INFO] [stdout]   --> src/parsing.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Expression {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsing.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(left: String, right: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `int`
[INFO] [stdout]   --> src/parsing.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn int(self) -> String {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prefix`
[INFO] [stdout]   --> src/parsing.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn prefix(self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `infix`
[INFO] [stdout]   --> src/parsing.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn infix(self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Expression`
[INFO] [stdout]   --> src/parsing.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Expression {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parsing.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(left: String, right: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `int`
[INFO] [stdout]   --> src/parsing.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn int(self) -> String {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prefix`
[INFO] [stdout]   --> src/parsing.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn prefix(self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `infix`
[INFO] [stdout]   --> src/parsing.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn infix(self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "bb1dc7adfe72dc7b1965484dbf1e6f15fb0aa8bde3012f94c849f152b9a990fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1dc7adfe72dc7b1965484dbf1e6f15fb0aa8bde3012f94c849f152b9a990fb", kill_on_drop: false }`
[INFO] [stdout] bb1dc7adfe72dc7b1965484dbf1e6f15fb0aa8bde3012f94c849f152b9a990fb