[INFO] cloning repository https://github.com/breakinferno/learn-rust-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/breakinferno/learn-rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreakinferno%2Flearn-rust-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreakinferno%2Flearn-rust-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 120c62dcfed0a2c273a142b22b81158cadc8377f
[INFO] checking breakinferno/learn-rust-demo against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreakinferno%2Flearn-rust-demo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/breakinferno/learn-rust-demo on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/breakinferno/learn-rust-demo
[INFO] finished tweaking git repo https://github.com/breakinferno/learn-rust-demo
[INFO] tweaked toml for git repo https://github.com/breakinferno/learn-rust-demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/breakinferno/learn-rust-demo 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking breakinferno/learn-rust-demo against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreakinferno%2Flearn-rust-demo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/breakinferno/learn-rust-demo on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/breakinferno/learn-rust-demo
[INFO] finished tweaking git repo https://github.com/breakinferno/learn-rust-demo
[INFO] tweaked toml for git repo https://github.com/breakinferno/learn-rust-demo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/breakinferno/learn-rust-demo 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4039d5c1d2b82dddd8b6d1f0c0c2db9ab738c683b0aa94e1a3ac6b96aab39ba5
[INFO] running `Command { std: "docker" "start" "-a" "4039d5c1d2b82dddd8b6d1f0c0c2db9ab738c683b0aa94e1a3ac6b96aab39ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4039d5c1d2b82dddd8b6d1f0c0c2db9ab738c683b0aa94e1a3ac6b96aab39ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4039d5c1d2b82dddd8b6d1f0c0c2db9ab738c683b0aa94e1a3ac6b96aab39ba5", kill_on_drop: false }`
[INFO] [stdout] 4039d5c1d2b82dddd8b6d1f0c0c2db9ab738c683b0aa94e1a3ac6b96aab39ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4f5d9f9488ec3b81af77888a8bad9815f2682a1e2451bff65e632ab8b0d4602
[INFO] running `Command { std: "docker" "start" "-a" "b4f5d9f9488ec3b81af77888a8bad9815f2682a1e2451bff65e632ab8b0d4602", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling macro_define_crate v0.1.0 (/opt/rustwide/workdir/macro_define_crate)
[INFO] [stdout] warning: unused imports: `Attribute`, `parse_macro_input`
[INFO] [stdout]  --> macro_define_crate/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::{parse_macro_input, Attribute};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     b(i32),
[INFO] [stdout]     |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     b(i32),
[INFO] [stdout]     |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn notify_multi_trait_return(item: impl Summary + Display) -> impl Summary {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn notify_multi_trait_return(item: impl Summary + Display) -> impl Summary {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn notify_multi_trait(item: impl Summary + Display) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:52:56
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn notify_multi_trait_bounds<T: Summary + Display>(item: T) {
[INFO] [stdout]    |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn notify_multi_trait_bounds_where<T, U>(item: T, key: U) 
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/mytrait.rs:56:55
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn notify_multi_trait_bounds_where<T, U>(item: T, key: U) 
[INFO] [stdout]    |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lifecycle.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn largest<'a>(a: &'a i32, b: &'a i32) -> &'a i32 { // 声明了一个声明周期，跟泛型一样，泛型式声明了一个类型。
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/lifecycle.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn life(arg: &'a str) -> &'a str {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lifecycle.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_dep_life<'a: 'b, 'b: 'c, 'c>(a: &'a String, b: &'b String) -> &'c String {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/lifecycle.rs:37:45
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn difficult<'a, T>(x: &'a str, y: &'a str, z: T) -> &'a str
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]   --> src/closure.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut x = add(5,7);
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/closure.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     x = bo(5,7);
[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: unused variable: `list_of_statues`
[INFO] [stdout]   --> src/closure.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let list_of_statues: Vec<Status> = (0u32..20).map(Status::Value).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_statues`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let d = demod::Demo {x:2};
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut st2 = "字符串字面值".to_string();
[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: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn notify_multi_trait(item: impl Summary + Display) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:52:56
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn notify_multi_trait_bounds<T: Summary + Display>(item: T) {
[INFO] [stdout]    |                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/mytrait.rs:56:46
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn notify_multi_trait_bounds_where<T, U>(item: T, key: U) 
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/mytrait.rs:56:55
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn notify_multi_trait_bounds_where<T, U>(item: T, key: U) 
[INFO] [stdout]    |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lifecycle.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn largest<'a>(a: &'a i32, b: &'a i32) -> &'a i32 { // 声明了一个声明周期，跟泛型一样，泛型式声明了一个类型。
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/lifecycle.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn life(arg: &'a str) -> &'a str {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 122 | struct Point<T, U> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 123 |     x: T,
[INFO] [stdout] 124 |     y: U
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `y` is never used
[INFO] [stdout]    --> src/main.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<T, U> Point<T, U> {// 针对类型T U实现方法
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn y(&self) -> &U {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]    --> src/main.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl<T: Display + PartialOrd, U> Point<T, U> {
[INFO] [stdout]     | -------------------------------------------- method in this implementation
[INFO] [stdout] 143 |     fn cmp_display(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyEnum` is never used
[INFO] [stdout]    --> src/main.rs:157:6
[INFO] [stdout]     |
[INFO] [stdout] 157 | enum MyEnum<T> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/lifecycle.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_dep_life<'a: 'b, 'b: 'c, 'c>(a: &'a String, b: &'b String) -> &'c String {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_open_file` is never used
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn test_open_file() -> Result<String, io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/mytrait.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn notify(item: impl Summary, item2: impl Summary) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_trait_bounds` is never used
[INFO] [stdout]   --> src/mytrait.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn notify_trait_bounds<T: Summary>(item: T, item2: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait` is never used
[INFO] [stdout]   --> src/mytrait.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn notify_multi_trait(item: impl Summary + Display) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait_return` is never used
[INFO] [stdout]   --> src/mytrait.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn notify_multi_trait_return(item: impl Summary + Display) -> impl Summary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait_bounds` is never used
[INFO] [stdout]   --> src/mytrait.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn notify_multi_trait_bounds<T: Summary + Display>(item: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait_bounds_where` is never used
[INFO] [stdout]   --> src/mytrait.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn notify_multi_trait_bounds_where<T, U>(item: T, key: U) 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/lifecycle.rs:37:45
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn difficult<'a, T>(x: &'a str, y: &'a str, z: T) -> &'a str
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lifecycle` is never constructed
[INFO] [stdout]  --> src/lifecycle.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Lifecycle<'a> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/lifecycle.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn largest<'a>(a: &'a i32, b: &'a i32) -> &'a i32 { // 声明了一个声明周期，跟泛型一样，泛型式声明了一个类型。
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `life`, `method_no_omit_lifecycle`, and `method` are never used
[INFO] [stdout]   --> src/lifecycle.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a> Lifecycle<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 19 |     fn life(arg: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn method_no_omit_lifecycle(&'a self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn method(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_dep_life` is never used
[INFO] [stdout]   --> src/lifecycle.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_dep_life<'a: 'b, 'b: 'c, 'c>(a: &'a String, b: &'b String) -> &'c String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `difficult` is never used
[INFO] [stdout]   --> src/lifecycle.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn difficult<'a, T>(x: &'a str, y: &'a str, z: T) -> &'a str
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_closure` is never used
[INFO] [stdout]  --> src/closure.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn test_closure() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/closure.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn add(x: i32, y: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fn_pointer` is never used
[INFO] [stdout]   --> src/closure.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn test_fn_pointer() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> src/closure.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct  Cache<T>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/closure.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | / impl<T> Cache<T>
[INFO] [stdout] 32 | | where
[INFO] [stdout] 33 | |     T: Fn(i32) -> i32,
[INFO] [stdout]    | |______________________- associated items in this implementation
[INFO] [stdout] 34 |   {
[INFO] [stdout] 35 |       fn new(method: T) -> Cache<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       fn value(&mut self, arg: i32) -> i32 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_once` is never used
[INFO] [stdout]   --> src/closure.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn add_once(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_more` is never used
[INFO] [stdout]   --> src/closure.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn do_more(f: fn(i32) -> i32, arg: i32) -> i32 { // fn 表示函数指针类型
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_twice` is never used
[INFO] [stdout]   --> src/closure.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn do_twice<T>(f: T, arg: i32) -> i32
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> src/closure.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_closure` is never used
[INFO] [stdout]   --> src/closure.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn return_closure() -> impl Fn(i32) -> i32 { // 返回闭包需要闭包特征
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_closure_pro` is never used
[INFO] [stdout]   --> src/closure.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn return_closure_pro(a: i32) -> Box<dyn Fn(i32) -> i32> { // 返回闭包需要闭包特征
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/closure.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     st2 + &st3;
[INFO] [stdout]    |     ^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let _ = st2 + &st3;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]   --> src/closure.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut x = add(5,7);
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/closure.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     x = bo(5,7);
[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: unused variable: `list_of_statues`
[INFO] [stdout]   --> src/closure.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let list_of_statues: Vec<Status> = (0u32..20).map(Status::Value).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_statues`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let d = demod::Demo {x:2};
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut st2 = "字符串字面值".to_string();
[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: field `y` is never read
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 122 | struct Point<T, U> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 123 |     x: T,
[INFO] [stdout] 124 |     y: U
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `y` is never used
[INFO] [stdout]    --> src/main.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl<T, U> Point<T, U> {// 针对类型T U实现方法
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn y(&self) -> &U {
[INFO] [stdout]     |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]    --> src/main.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl<T: Display + PartialOrd, U> Point<T, U> {
[INFO] [stdout]     | -------------------------------------------- method in this implementation
[INFO] [stdout] 143 |     fn cmp_display(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyEnum` is never used
[INFO] [stdout]    --> src/main.rs:157:6
[INFO] [stdout]     |
[INFO] [stdout] 157 | enum MyEnum<T> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_open_file` is never used
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn test_open_file() -> Result<String, io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/mytrait.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn notify(item: impl Summary, item2: impl Summary) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_trait_bounds` is never used
[INFO] [stdout]   --> src/mytrait.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn notify_trait_bounds<T: Summary>(item: T, item2: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait` is never used
[INFO] [stdout]   --> src/mytrait.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn notify_multi_trait(item: impl Summary + Display) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait_return` is never used
[INFO] [stdout]   --> src/mytrait.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn notify_multi_trait_return(item: impl Summary + Display) -> impl Summary {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait_bounds` is never used
[INFO] [stdout]   --> src/mytrait.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn notify_multi_trait_bounds<T: Summary + Display>(item: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_multi_trait_bounds_where` is never used
[INFO] [stdout]   --> src/mytrait.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn notify_multi_trait_bounds_where<T, U>(item: T, key: U) 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lifecycle` is never constructed
[INFO] [stdout]  --> src/lifecycle.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Lifecycle<'a> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/lifecycle.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn largest<'a>(a: &'a i32, b: &'a i32) -> &'a i32 { // 声明了一个声明周期，跟泛型一样，泛型式声明了一个类型。
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `life`, `method_no_omit_lifecycle`, and `method` are never used
[INFO] [stdout]   --> src/lifecycle.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a> Lifecycle<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 19 |     fn life(arg: &'a str) -> &'a str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn method_no_omit_lifecycle(&'a self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn method(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_dep_life` is never used
[INFO] [stdout]   --> src/lifecycle.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_dep_life<'a: 'b, 'b: 'c, 'c>(a: &'a String, b: &'b String) -> &'c String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `difficult` is never used
[INFO] [stdout]   --> src/lifecycle.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn difficult<'a, T>(x: &'a str, y: &'a str, z: T) -> &'a str
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_closure` is never used
[INFO] [stdout]  --> src/closure.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn test_closure() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/closure.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn add(x: i32, y: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fn_pointer` is never used
[INFO] [stdout]   --> src/closure.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn test_fn_pointer() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]   --> src/closure.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct  Cache<T>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/closure.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | / impl<T> Cache<T>
[INFO] [stdout] 32 | | where
[INFO] [stdout] 33 | |     T: Fn(i32) -> i32,
[INFO] [stdout]    | |______________________- associated items in this implementation
[INFO] [stdout] 34 |   {
[INFO] [stdout] 35 |       fn new(method: T) -> Cache<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       fn value(&mut self, arg: i32) -> i32 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_once` is never used
[INFO] [stdout]   --> src/closure.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn add_once(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_more` is never used
[INFO] [stdout]   --> src/closure.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn do_more(f: fn(i32) -> i32, arg: i32) -> i32 { // fn 表示函数指针类型
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_twice` is never used
[INFO] [stdout]   --> src/closure.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn do_twice<T>(f: T, arg: i32) -> i32
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> src/closure.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_closure` is never used
[INFO] [stdout]   --> src/closure.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn return_closure() -> impl Fn(i32) -> i32 { // 返回闭包需要闭包特征
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_closure_pro` is never used
[INFO] [stdout]   --> src/closure.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn return_closure_pro(a: i32) -> Box<dyn Fn(i32) -> i32> { // 返回闭包需要闭包特征
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/closure.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     st2 + &st3;
[INFO] [stdout]    |     ^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let _ = st2 + &st3;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "b4f5d9f9488ec3b81af77888a8bad9815f2682a1e2451bff65e632ab8b0d4602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f5d9f9488ec3b81af77888a8bad9815f2682a1e2451bff65e632ab8b0d4602", kill_on_drop: false }`
[INFO] [stdout] b4f5d9f9488ec3b81af77888a8bad9815f2682a1e2451bff65e632ab8b0d4602