[INFO] cloning repository https://github.com/puzzzzzzle/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/puzzzzzzle/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzzzzzle%2Frust_study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzzzzzle%2Frust_study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbd4acda22ef2aae44de3044ce6a7122142f87d9 [INFO] checking puzzzzzzle/rust_study/cbd4acda22ef2aae44de3044ce6a7122142f87d9 against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzzzzzle%2Frust_study" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. 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"/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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c2382cf6e08049628f1ce2bf38b5d8c00e4a4eb1bf3644832916c4b90c821e4 [INFO] running `Command { std: "docker" "start" "-a" "7c2382cf6e08049628f1ce2bf38b5d8c00e4a4eb1bf3644832916c4b90c821e4", kill_on_drop: false }` [INFO] [stderr] Compiling 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function_name-proc-macro v0.3.0 [INFO] [stderr] Checking function_name v0.3.0 [INFO] [stderr] Compiling backtrace-ext v0.2.1 [INFO] [stderr] Checking hello_mod v0.1.0 (/opt/rustwide/workdir/module_test/hello_mod) [INFO] [stdout] warning: function `hello` is never used [INFO] [stdout] --> module_test/hello_mod/src/hello_dir/hello_dir_2.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn hello() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_private` is never used [INFO] [stdout] --> module_test/hello_mod/src/hello_sub.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn hello_private() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stdout] warning: function `hello` is never used [INFO] [stdout] --> module_test/hello_mod/src/hello_dir/hello_dir_2.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn hello() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_private` is never used [INFO] [stdout] --> module_test/hello_mod/src/hello_sub.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn hello_private() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling proc_macros v0.1.0 (/opt/rustwide/workdir/proc_macros) [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling cxxbridge-macro v1.0.110 [INFO] [stderr] Compiling miette-derive v5.10.0 [INFO] [stderr] Compiling aquamarine v0.1.12 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling use_cxx_lib v0.1.0 (/opt/rustwide/workdir/rust_with_c/use_cxx_lib) [INFO] [stderr] Compiling pyo3-macros v0.19.2 [INFO] [stderr] Compiling miette v5.10.0 [INFO] [stdout] warning: variable `p` is assigned to, but never used [INFO] [stdout] --> proc_macros/tests/test_trace_var.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut p = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_p` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking moveit v0.6.0 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking pyo3_test v0.1.0 (/opt/rustwide/workdir/rust_with_python/pyo3_test) [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking log4rs v1.2.0 [INFO] [stderr] Compiling autocxx-parser v0.26.0 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Compiling autocxx-engine v0.26.0 [INFO] [stderr] Checking common_concepts v0.1.0 (/opt/rustwide/workdir/rust_language) [INFO] [stdout] warning: variants `V4` and `V6` are never constructed [INFO] [stdout] --> rust_language/examples/c04_enum_test.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | enum IpAddrKind { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 4 | V4, [INFO] [stdout] | ^^ [INFO] [stdout] 5 | V6, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> rust_language/examples/c04_enum_test.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | struct IpAddr { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 10 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `V4`, `V6`, and `UNKNOWN` are never constructed [INFO] [stdout] --> rust_language/examples/c04_enum_test.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 57 | enum IpAddr { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 58 | V4(String), [INFO] [stdout] | ^^ [INFO] [stdout] 59 | V6(String), [INFO] [stdout] | ^^ [INFO] [stdout] 60 | UNKNOWN(UnknownIpAddr), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result`, `anyhow` [INFO] [stdout] --> rust_language/examples/c07-1_error_handle.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::{anyhow, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common` [INFO] [stdout] --> rust_language/examples/c07-1_error_handle.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use common; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::*` [INFO] [stdout] --> rust_language/examples/c07-1_error_handle.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use log::*; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> rust_language/examples/c06_std_collections_test.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> rust_language/examples/c06_std_collections_test.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | mod test_collections { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> rust_language/examples/multi_file_exaplpe/ex2.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::remove_file` [INFO] [stdout] --> rust_language/examples/c07_error_test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::remove_file; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::ErrorKind` [INFO] [stdout] --> rust_language/examples/c07_error_test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common` [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use common; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::*` [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use log::*; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_ownership` is never used [INFO] [stdout] --> rust_language/examples/c03_test_ownership.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn take_ownership(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> rust_language/examples/c03_test_ownership.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn takes_and_gives_back(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `borrow` is never used [INFO] [stdout] --> rust_language/examples/c03_test_ownership.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn borrow(s: &mut String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `str_arr` is never used [INFO] [stdout] --> rust_language/examples/c03_test_ownership.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn str_arr(arr: &[i32]) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `FILE_NAME` is never used [INFO] [stdout] --> rust_language/examples/c07_error_test.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | static FILE_NAME: &str = "hello.txt"; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> rust_language/examples/c07_error_test.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn read_username_from_file(name: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_simple` is never used [INFO] [stdout] --> rust_language/examples/c07_error_test.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn read_username_from_file_simple(name: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> rust_language/examples/co_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user` is never used [INFO] [stdout] --> rust_language/examples/c05_struct_test.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn build_user(username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `area` is never used [INFO] [stdout] --> rust_language/examples/c05_struct_test.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 59 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 60 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area` is never used [INFO] [stdout] --> rust_language/examples/c05_struct_test.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn area(rectangle: &Rectangle) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `combine_vecs` is never used [INFO] [stdout] --> rust_language/examples/c05_struct_test.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn combine_vecs(v: Vec, u: Vec) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::pin::Pin` [INFO] [stdout] --> rust_language/examples/pin_test.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::pin::Pin; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello` is never used [INFO] [stdout] --> rust_language/examples/co_test.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | async fn hello() -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_1` is never used [INFO] [stdout] --> rust_language/examples/co_test.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | async fn hello_1() -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_1_2` is never used [INFO] [stdout] --> rust_language/examples/co_test.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | async fn hello_1_2() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_latter` is never used [INFO] [stdout] --> rust_language/examples/co_test.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | async fn hello_latter() -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_func` is never used [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn hello_func() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_int` is never used [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn hello_int(name: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_ret_int` is never used [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn hello_ret_int(name: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_if` is never used [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn test_if(cond: bool) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loop_test` is never used [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn loop_test() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `outter_fn` is never used [INFO] [stdout] --> rust_language/examples/c01_func_test.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn outter_fn() -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `factorial` is never used [INFO] [stdout] --> rust_language/examples/macro_test.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn factorial(mut n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `{integer}: SampleRange<_>` is not satisfied [INFO] [stdout] --> rust_language/examples/dbg_test.rs:5:50 [INFO] [stdout] | [INFO] [stdout] 5 | let mut a = rand::thread_rng().gen_range(1, 101); [INFO] [stdout] | --------- ^ the trait `SampleRange<_>` is not implemented for `{integer}` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `SampleRange`: [INFO] [stdout] std::ops::Range [INFO] [stdout] RangeInclusive [INFO] [stdout] note: required by a bound in `gen_range` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 129 | fn gen_range(&mut self, range: R) -> T [INFO] [stdout] | --------- required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 132 | R: SampleRange [INFO] [stdout] | ^^^^^^^^^^^^^^ required by this bound in `Rng::gen_range` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this method takes 1 argument but 2 arguments were supplied [INFO] [stdout] --> rust_language/examples/dbg_test.rs:5:40 [INFO] [stdout] | [INFO] [stdout] 5 | let mut a = rand::thread_rng().gen_range(1, 101); [INFO] [stdout] | ^^^^^^^^^ ----- [INFO] [stdout] | | | [INFO] [stdout] | | unexpected argument of type `{integer}` [INFO] [stdout] | help: remove the extra argument [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:129:8 [INFO] [stdout] | [INFO] [stdout] 129 | fn gen_range(&mut self, range: R) -> T [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0277. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: could not compile `common_concepts` (example "dbg_test") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7c2382cf6e08049628f1ce2bf38b5d8c00e4a4eb1bf3644832916c4b90c821e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c2382cf6e08049628f1ce2bf38b5d8c00e4a4eb1bf3644832916c4b90c821e4", kill_on_drop: false }` [INFO] [stdout] 7c2382cf6e08049628f1ce2bf38b5d8c00e4a4eb1bf3644832916c4b90c821e4