[INFO] cloning repository https://github.com/yynlove/rust_study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yynlove/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyynlove%2Frust_study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyynlove%2Frust_study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f33abe86441726cd21adc5f2d49eae8b25e46387 [INFO] testing yynlove/rust_study against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyynlove%2Frust_study" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yynlove/rust_study on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yynlove/rust_study [INFO] finished tweaking git repo https://github.com/yynlove/rust_study [INFO] tweaked toml for git repo https://github.com/yynlove/rust_study written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yynlove/rust_study 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.release [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3da4009266158c156b074c36f73aa1927f26d96c33113f933e64d9daaf8abb6a [INFO] running `Command { std: "docker" "start" "-a" "3da4009266158c156b074c36f73aa1927f26d96c33113f933e64d9daaf8abb6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3da4009266158c156b074c36f73aa1927f26d96c33113f933e64d9daaf8abb6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3da4009266158c156b074c36f73aa1927f26d96c33113f933e64d9daaf8abb6a", kill_on_drop: false }` [INFO] [stdout] 3da4009266158c156b074c36f73aa1927f26d96c33113f933e64d9daaf8abb6a [INFO] testing yynlove/rust_study against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyynlove%2Frust_study" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yynlove/rust_study on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yynlove/rust_study [INFO] finished tweaking git repo https://github.com/yynlove/rust_study [INFO] tweaked toml for git repo https://github.com/yynlove/rust_study written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yynlove/rust_study 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.release [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 031fd2382b34a80d9c872916e637f411dcb03c76b13853166211d1560f4afe7d [INFO] running `Command { std: "docker" "start" "-a" "031fd2382b34a80d9c872916e637f411dcb03c76b13853166211d1560f4afe7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "031fd2382b34a80d9c872916e637f411dcb03c76b13853166211d1560f4afe7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "031fd2382b34a80d9c872916e637f411dcb03c76b13853166211d1560f4afe7d", kill_on_drop: false }` [INFO] [stdout] 031fd2382b34a80d9c872916e637f411dcb03c76b13853166211d1560f4afe7d [INFO] testing yynlove/rust_study against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyynlove%2Frust_study" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yynlove/rust_study on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yynlove/rust_study [INFO] finished tweaking git repo https://github.com/yynlove/rust_study [INFO] tweaked toml for git repo https://github.com/yynlove/rust_study written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yynlove/rust_study 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.release [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fdcfba2a07c71f06f9a6f755ec6782996a651347e14f803625cb14b0a691273 [INFO] running `Command { std: "docker" "start" "-a" "4fdcfba2a07c71f06f9a6f755ec6782996a651347e14f803625cb14b0a691273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fdcfba2a07c71f06f9a6f755ec6782996a651347e14f803625cb14b0a691273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fdcfba2a07c71f06f9a6f755ec6782996a651347e14f803625cb14b0a691273", kill_on_drop: false }` [INFO] [stdout] 4fdcfba2a07c71f06f9a6f755ec6782996a651347e14f803625cb14b0a691273 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23c34f96a3243e97ab6f085642ffacd464c76f1927787ae01db23a3d95cf5f61 [INFO] running `Command { std: "docker" "start" "-a" "23c34f96a3243e97ab6f085642ffacd464c76f1927787ae01db23a3d95cf5f61", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.release [INFO] [stderr] Compiling rust_study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/my_mod/jiu.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{ErrorKind, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::my_mod::shi::build` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::my_mod::shi::build; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/my_mod/ip.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/my_mod/ip.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bfile` [INFO] [stdout] --> src/my_mod/jiu.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | let bfile = match a { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bfile` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/my_mod/jiu.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let a = File::open("aaa.text").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/my_mod/jiu.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let a = File::open("aaa.text").expect(""); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `optionTest` is never used [INFO] [stdout] --> src/my_mod/ip.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn optionTest(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `option_panic_Test` is never used [INFO] [stdout] --> src/my_mod/ip.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn option_panic_Test(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/my_mod/ip.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn plus_one(x:Option) -> Option{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/my_mod/refence.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change_reference` is never used [INFO] [stdout] --> src/my_mod/refence.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn change_reference(some_string: &mut String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_sturct_demo` is never used [INFO] [stdout] --> src/my_mod/struct_demo.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn test_sturct_demo(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/my_mod/struct_demo.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `square`, `setHeight`, `area`, and `can_hold` are never used [INFO] [stdout] --> src/my_mod/struct_demo.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Rectangle{ [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 21 | fn square(size:u32)-> Rectangle{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn setHeight(&mut self,height:u32){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn area(&self) -> u32{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rus` is never used [INFO] [stdout] --> src/my_mod/jiu.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn rus() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rus_unwrap` is never used [INFO] [stdout] --> src/my_mod/jiu.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn rus_unwrap(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rus_expect` is never used [INFO] [stdout] --> src/my_mod/jiu.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn rus_expect(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_from_file` is never used [INFO] [stdout] --> src/my_mod/jiu.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn read_from_file()->Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_from_file_jianxie` is never used [INFO] [stdout] --> src/my_mod/jiu.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn read_from_file_jianxie()->Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/my_mod/shi.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Point{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mixup` is never used [INFO] [stdout] --> src/my_mod/shi.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Point{ [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] 8 | fn mixup(self,other:Point)->Point{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build` is never used [INFO] [stdout] --> src/my_mod/shi.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn build(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `summarize` and `summarize_about` are never used [INFO] [stdout] --> src/my_mod/shi.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub trait Summary{ [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 27 | fn summarize(&self) -> String; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 28 | fn summarize_about(&self) -> String{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/my_mod/shi.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 39 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `summary_tweet_test` is never used [INFO] [stdout] --> src/my_mod/shi.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn summary_tweet_test(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/my_mod/shi.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn largest(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `trait_fanxing` is never used [INFO] [stdout] --> src/my_mod/shi.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn trait_fanxing() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_test_error` is never used [INFO] [stdout] --> src/my_mod/shi.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn longest_test_error(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `optionTest` should have a snake case name [INFO] [stdout] --> src/my_mod/ip.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn optionTest(){ [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `option_test` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `option_panic_Test` should have a snake case name [INFO] [stdout] --> src/my_mod/ip.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn option_panic_Test(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `option_panic_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `setHeight` should have a snake case name [INFO] [stdout] --> src/my_mod/struct_demo.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn setHeight(&mut self,height:u32){ [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `set_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcGu1LRf/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_study-6d487dc6de092dad" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_study` (bin "rust_study") due to 1 previous error; 32 warnings emitted [INFO] running `Command { std: "docker" "inspect" "23c34f96a3243e97ab6f085642ffacd464c76f1927787ae01db23a3d95cf5f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23c34f96a3243e97ab6f085642ffacd464c76f1927787ae01db23a3d95cf5f61", kill_on_drop: false }` [INFO] [stdout] 23c34f96a3243e97ab6f085642ffacd464c76f1927787ae01db23a3d95cf5f61