[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2FKalculator" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YJH16120/Kalculator on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-14/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epi v0.12.0
[INFO] [stderr]   Downloaded eframe v0.12.0
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[INFO] [stderr]   Downloaded ordered-float v2.5.0
[INFO] [stderr]   Downloaded egui_web v0.12.0
[INFO] [stderr]   Downloaded epaint v0.12.0
[INFO] [stderr]   Downloaded egui v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] beb3d96fb9b9c696c9f39e9fa2b7ab31293382f06e7465fe5bb6620ce1d9c788
[INFO] running `Command { std: "docker" "start" "-a" "beb3d96fb9b9c696c9f39e9fa2b7ab31293382f06e7465fe5bb6620ce1d9c788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb3d96fb9b9c696c9f39e9fa2b7ab31293382f06e7465fe5bb6620ce1d9c788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb3d96fb9b9c696c9f39e9fa2b7ab31293382f06e7465fe5bb6620ce1d9c788", kill_on_drop: false }`
[INFO] [stdout] beb3d96fb9b9c696c9f39e9fa2b7ab31293382f06e7465fe5bb6620ce1d9c788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 72a8b81dc6948d1d1bafa4aa2992e249488506ea65436da28ea1ccac222b8f91
[INFO] running `Command { std: "docker" "start" "-a" "72a8b81dc6948d1d1bafa4aa2992e249488506ea65436da28ea1ccac222b8f91", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.95 (as host dependency): extra_traits
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking atomic_refcell v0.1.7
[INFO] [stderr]     Checking emath v0.12.0
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking nom v6.1.2
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glium v0.29.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling xcb v0.9.0
[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 epi v0.12.0
[INFO] [stderr]     Checking wayland-commons v0.28.5
[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 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/parsing.rs (1 fix)
[INFO] [stderr]        Fixed src/app.rs (3 fixes)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: field is never read: `answer`
[INFO] [stdout]  --> src/app.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     answer: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `answer`
[INFO] [stdout]  --> src/app.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     answer: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking x11-clipboard v0.5.2
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking egui_glium v0.12.0
[INFO] [stderr]     Checking eframe v0.12.0
[INFO] [stderr]     Checking kal v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `answer`
[INFO] [stdout]  --> src/app.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     answer: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `answer`
[INFO] [stdout]  --> src/app.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     answer: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "72a8b81dc6948d1d1bafa4aa2992e249488506ea65436da28ea1ccac222b8f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a8b81dc6948d1d1bafa4aa2992e249488506ea65436da28ea1ccac222b8f91", kill_on_drop: false }`
[INFO] [stdout] 72a8b81dc6948d1d1bafa4aa2992e249488506ea65436da28ea1ccac222b8f91