[INFO] cloning repository https://github.com/rongfengliang/rust-mod-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rongfengliang/rust-mod-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4ae69f044a445c3822b510f7baf49055f4914db
[INFO] checking rongfengliang/rust-mod-workspace against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rongfengliang/rust-mod-workspace on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rongfengliang/rust-mod-workspace
[INFO] finished tweaking git repo https://github.com/rongfengliang/rust-mod-workspace
[INFO] tweaked toml for git repo https://github.com/rongfengliang/rust-mod-workspace written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/rongfengliang/rust-mod-workspace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e3692cf60b3649415450b5f602c082c6b0ff06bf70f396bfbbcdc4adaa66e9e
[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" "6e3692cf60b3649415450b5f602c082c6b0ff06bf70f396bfbbcdc4adaa66e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3692cf60b3649415450b5f602c082c6b0ff06bf70f396bfbbcdc4adaa66e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3692cf60b3649415450b5f602c082c6b0ff06bf70f396bfbbcdc4adaa66e9e", kill_on_drop: false }`
[INFO] [stdout] 6e3692cf60b3649415450b5f602c082c6b0ff06bf70f396bfbbcdc4adaa66e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9938951e9fa92236fcf174a338323186141ffa6fa3b298fdac6b077207d558b2
[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" "9938951e9fa92236fcf174a338323186141ffa6fa3b298fdac6b077207d558b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]     Checking users v0.1.0 (/opt/rustwide/workdir/lib/users)
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking moddemo v0.1.0 (/opt/rustwide/workdir/lib/moddemo)
[INFO] [stderr]     Checking libmods v0.1.0 (/opt/rustwide/workdir/lib/libmods)
[INFO] [stderr]     Checking app-modmetrics v0.1.0 (/opt/rustwide/workdir/lib/modmetrics)
[INFO] [stderr]     Checking macros_lib v0.1.0 (/opt/rustwide/workdir/learning/macros_lib)
[INFO] [stderr]     Checking traits v0.1.0 (/opt/rustwide/workdir/learning/traits)
[INFO] [stderr]     Checking lifetime v0.1.0 (/opt/rustwide/workdir/learning/lifetime)
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/learning/macros)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> learning/traits/src/app/defaultlogin.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |        if (username=="dalong"&&userpassword=="dalong") {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> learning/traits/src/app/defaultlogin.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |        if (self.name==username && self.password==userpassword){
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking function v0.1.0 (/opt/rustwide/workdir/learning/function)
[INFO] [stdout] warning: unused import: `rong::Rong`
[INFO] [stdout]  --> learning/lifetime/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rong::Rong;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking arrays v0.1.0 (/opt/rustwide/workdir/learning/arrays)
[INFO] [stdout] warning: constant is never used: `X`
[INFO] [stdout]   --> lib/users/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const X: i32 = 10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `X`
[INFO] [stdout]   --> lib/users/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const X: i32 = 10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rong::Rong`
[INFO] [stdout]  --> learning/lifetime/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rong::Rong;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking matchs v0.1.0 (/opt/rustwide/workdir/learning/matchs)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut rong = Rong{first_name:"dalong",second_name:"demoapp",third_name:"demoapp"};
[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: `printname`
[INFO] [stdout]  --> learning/lifetime/src/rong.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |    pub fn printname(&self) {
[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: `demo`
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn demo(){
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rc-demo v0.1.0 (/opt/rustwide/workdir/learning/rc-demo)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking closure v0.1.0 (/opt/rustwide/workdir/learning/closure)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut rong = Rong{first_name:"dalong",second_name:"demoapp",third_name:"demoapp"};
[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: `printname`
[INFO] [stdout]  --> learning/lifetime/src/rong.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |    pub fn printname(&self) {
[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: `demo`
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn demo(){
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking usersmain v0.1.0 (/opt/rustwide/workdir/lib/usersmain)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> learning/traits/src/app/defaultlogin.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |        if (username=="dalong"&&userpassword=="dalong") {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> learning/traits/src/app/defaultlogin.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |        if (self.name==username && self.password==userpassword){
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> learning/closure/src/main.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<Fn(i32) -> i32> {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> learning/matchs/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut  usertoken: Option<String> = Some("dalongdemo".into());
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_adder`
[INFO] [stdout]  --> learning/closure/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> learning/matchs/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut  usertoken: Option<String> = Some("dalongdemo".into());
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> learning/closure/src/main.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<Fn(i32) -> i32> {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_adder`
[INFO] [stdout]  --> learning/closure/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moddemo`
[INFO] [stdout]   --> lib/usersmain/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let moddemo =UserLogin{name:"dlaongdemo".into()};
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moddemo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `appdefaultop2`
[INFO] [stdout]   --> lib/usersmain/src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let appdefaultop2 = appdefault.add();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_appdefaultop2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moddemo`
[INFO] [stdout]   --> lib/usersmain/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let moddemo =UserLogin{name:"dlaongdemo".into()};
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moddemo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `appdefaultop2`
[INFO] [stdout]   --> lib/usersmain/src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let appdefaultop2 = appdefault.add();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_appdefaultop2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cliapp v0.1.0 (/opt/rustwide/workdir/learning/cliapp)
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking mod-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `aaa`
[INFO] [stdout]  --> src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use users::{user,aaa};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aaa`
[INFO] [stdout]  --> src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use users::{user,aaa};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.25s
[INFO] running `Command { std: "docker" "inspect" "9938951e9fa92236fcf174a338323186141ffa6fa3b298fdac6b077207d558b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9938951e9fa92236fcf174a338323186141ffa6fa3b298fdac6b077207d558b2", kill_on_drop: false }`
[INFO] [stdout] 9938951e9fa92236fcf174a338323186141ffa6fa3b298fdac6b077207d558b2