[INFO] fetching crate htqx_minigrep 1.0.0... [INFO] testing htqx_minigrep-1.0.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate htqx_minigrep 1.0.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate htqx_minigrep 1.0.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate htqx_minigrep 1.0.0 [INFO] finished tweaking crates.io crate htqx_minigrep 1.0.0 [INFO] tweaked toml for crates.io crate htqx_minigrep 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6c5f093a6aa6e346084b2d9373084026aabeef017429b51ded185a79e8b878c [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" "a6c5f093a6aa6e346084b2d9373084026aabeef017429b51ded185a79e8b878c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6c5f093a6aa6e346084b2d9373084026aabeef017429b51ded185a79e8b878c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6c5f093a6aa6e346084b2d9373084026aabeef017429b51ded185a79e8b878c", kill_on_drop: false }` [INFO] [stdout] a6c5f093a6aa6e346084b2d9373084026aabeef017429b51ded185a79e8b878c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f05660ed7ea4e8fadf62d621cb134d9cccb787ed891c1ad9869437294ad47e95 [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" "f05660ed7ea4e8fadf62d621cb134d9cccb787ed891c1ad9869437294ad47e95", kill_on_drop: false }` [INFO] [stderr] Compiling htqx_minigrep v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run(config:Config){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `query` [INFO] [stdout] --> src/lib.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> src/lib.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `query` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | query:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filename` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | filename:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search` [INFO] [stdout] --> src/lib.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:70:40 [INFO] [stdout] | [INFO] [stdout] 70 | fn fx(x:&i32){println!("x={}", *x)}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Drop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:55:15 [INFO] [stdout] | [INFO] [stdout] 55 | if let e@1...5 = *a {println!("e={}",e)}; [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | let s:&std::fmt::Display = &"hi"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:158:35 [INFO] [stdout] | [INFO] [stdout] 158 | fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Fn()->i32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/main.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `a3` is assigned to, but never used [INFO] [stdout] --> src/main.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_a3` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a3` is never read [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | a3 = &a2; [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: unused variable: `b` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let b = *a; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d` is never read [INFO] [stdout] --> src/main.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | let mut d:& i8 = &5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | let e = E2{c:&c}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run(config:Config){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `query` [INFO] [stdout] --> src/lib.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> src/lib.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 107 | let mut b:isize = 8; [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 is never read: `query` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | query:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filename` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | filename:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search` [INFO] [stdout] --> src/lib.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(a:T)->MyBox{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `f2` [INFO] [stdout] --> src/main.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn f2<'a>(x:& mut &'a i8, y: &'a i8){ [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `E` [INFO] [stdout] --> src/main.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | struct E<'e, 'c :'e>{c:&'e C<'c>} [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/main.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | struct E2<'e, T :'e>{c:&'e T} //类似定义 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fe` [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn fe(x:C)->&isize{ [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bar` [INFO] [stdout] --> src/main.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn bar() ->!{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_webserver` [INFO] [stdout] --> src/main.rs:169:4 [INFO] [stdout] | [INFO] [stdout] 169 | fn test_webserver(){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/main.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_associatedType` should have a snake case name [INFO] [stdout] --> src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn test_associatedType(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_associated_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_defaultTypeParameters` should have a snake case name [INFO] [stdout] --> src/main.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn test_defaultTypeParameters(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_default_type_parameters` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_highType` should have a snake case name [INFO] [stdout] --> src/main.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn test_highType(){ [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_high_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_derivableTrait` should have a snake case name [INFO] [stdout] --> src/main.rs:194:4 [INFO] [stdout] | [INFO] [stdout] 194 | fn test_derivableTrait(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_derivable_trait` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "f05660ed7ea4e8fadf62d621cb134d9cccb787ed891c1ad9869437294ad47e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f05660ed7ea4e8fadf62d621cb134d9cccb787ed891c1ad9869437294ad47e95", kill_on_drop: false }` [INFO] [stdout] f05660ed7ea4e8fadf62d621cb134d9cccb787ed891c1ad9869437294ad47e95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44478606fd5f5e520af4af6d4f8f6cef49fc124f969186d57eb4f449d4190250 [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" "44478606fd5f5e520af4af6d4f8f6cef49fc124f969186d57eb4f449d4190250", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling htqx_minigrep v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run(config:Config){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `query` [INFO] [stdout] --> src/lib.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> src/lib.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `query` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | query:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filename` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | filename:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search` [INFO] [stdout] --> src/lib.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run(config:Config){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `query` [INFO] [stdout] --> src/lib.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> src/lib.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `query` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | query:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filename` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | filename:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:70:40 [INFO] [stdout] | [INFO] [stdout] 70 | fn fx(x:&i32){println!("x={}", *x)}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Drop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:55:15 [INFO] [stdout] | [INFO] [stdout] 55 | if let e@1...5 = *a {println!("e={}",e)}; [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | let s:&std::fmt::Display = &"hi"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:158:35 [INFO] [stdout] | [INFO] [stdout] 158 | fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Fn()->i32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/main.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `a3` is assigned to, but never used [INFO] [stdout] --> src/main.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_a3` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a3` is never read [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | a3 = &a2; [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: unused variable: `b` [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let b = *a; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d` is never read [INFO] [stdout] --> src/main.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | let mut d:& i8 = &5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | let e = E2{c:&c}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run(config:Config){ [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `query` [INFO] [stdout] --> src/lib.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `contents` [INFO] [stdout] --> src/lib.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 107 | let mut b:isize = 8; [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 is never read: `query` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | query:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filename` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | filename:&'a str, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(a:T)->MyBox{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `f2` [INFO] [stdout] --> src/main.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn f2<'a>(x:& mut &'a i8, y: &'a i8){ [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `E` [INFO] [stdout] --> src/main.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | struct E<'e, 'c :'e>{c:&'e C<'c>} [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/main.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | struct E2<'e, T :'e>{c:&'e T} //类似定义 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fe` [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn fe(x:C)->&isize{ [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bar` [INFO] [stdout] --> src/main.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn bar() ->!{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_webserver` [INFO] [stdout] --> src/main.rs:169:4 [INFO] [stdout] | [INFO] [stdout] 169 | fn test_webserver(){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/main.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_associatedType` should have a snake case name [INFO] [stdout] --> src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn test_associatedType(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_associated_type` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_defaultTypeParameters` should have a snake case name [INFO] [stdout] --> src/main.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn test_defaultTypeParameters(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_default_type_parameters` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_highType` should have a snake case name [INFO] [stdout] --> src/main.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn test_highType(){ [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_high_type` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_derivableTrait` should have a snake case name [INFO] [stdout] --> src/main.rs:194:4 [INFO] [stdout] | [INFO] [stdout] 194 | fn test_derivableTrait(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_derivable_trait` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 31 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "44478606fd5f5e520af4af6d4f8f6cef49fc124f969186d57eb4f449d4190250", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44478606fd5f5e520af4af6d4f8f6cef49fc124f969186d57eb4f449d4190250", kill_on_drop: false }` [INFO] [stdout] 44478606fd5f5e520af4af6d4f8f6cef49fc124f969186d57eb4f449d4190250 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5c71ab979b758b1e042f2111835ba4236b06149f35a7fb83c7c1a0127e01f3b9 [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" "5c71ab979b758b1e042f2111835ba4236b06149f35a7fb83c7c1a0127e01f3b9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/lib.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn run(config:Config){ [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `query` [INFO] [stderr] --> src/lib.rs:40:15 [INFO] [stderr] | [INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_query` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `contents` [INFO] [stderr] --> src/lib.rs:40:26 [INFO] [stderr] | [INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `query` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | query:&'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `filename` [INFO] [stderr] --> src/lib.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | filename:&'a str, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `search` [INFO] [stderr] --> src/lib.rs:40:4 [INFO] [stderr] | [INFO] [stderr] 40 | fn search<'a>(query:&str,contents:&'a str) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `htqx_minigrep` (lib) generated 7 warnings [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/lib.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:70:40 [INFO] [stderr] | [INFO] [stderr] 70 | fn fx(x:&i32){println!("x={}", *x)}; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:53:17 [INFO] [stderr] | [INFO] [stderr] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Drop` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:55:15 [INFO] [stderr] | [INFO] [stderr] 55 | if let e@1...5 = *a {println!("e={}",e)}; [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:155:8 [INFO] [stderr] | [INFO] [stderr] 155 | let s:&std::fmt::Display = &"hi"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:158:35 [INFO] [stderr] | [INFO] [stderr] 158 | fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Fn()->i32` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::TcpStream` [INFO] [stderr] --> src/main.rs:171:9 [INFO] [stderr] | [INFO] [stderr] 171 | use std::net::TcpStream; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `a3` is assigned to, but never used [INFO] [stderr] --> src/main.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_a3` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `a3` is never read [INFO] [stderr] --> src/main.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | a3 = &a2; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let b = *a; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `d` is never read [INFO] [stderr] --> src/main.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let mut d:& i8 = &5; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | let e = E2{c:&c}; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/lib.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn run(config:Config){ [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:107:5 [INFO] [stderr] | [INFO] [stderr] 107 | let mut b:isize = 8; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | fn new(a:T)->MyBox{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `f2` [INFO] [stderr] --> src/main.rs:91:4 [INFO] [stderr] | [INFO] [stderr] 91 | fn f2<'a>(x:& mut &'a i8, y: &'a i8){ [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `E` [INFO] [stderr] --> src/main.rs:111:8 [INFO] [stderr] | [INFO] [stderr] 111 | struct E<'e, 'c :'e>{c:&'e C<'c>} [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `c` [INFO] [stderr] --> src/main.rs:112:22 [INFO] [stderr] | [INFO] [stderr] 112 | struct E2<'e, T :'e>{c:&'e T} //类似定义 [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fe` [INFO] [stderr] --> src/main.rs:114:4 [INFO] [stderr] | [INFO] [stderr] 114 | fn fe(x:C)->&isize{ [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bar` [INFO] [stderr] --> src/main.rs:151:4 [INFO] [stderr] | [INFO] [stderr] 151 | fn bar() ->!{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_webserver` [INFO] [stderr] --> src/main.rs:169:4 [INFO] [stderr] | [INFO] [stderr] 169 | fn test_webserver(){ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/main.rs:53:17 [INFO] [stderr] | [INFO] [stderr] 53 | let mut a3:&Drop = &MyBox(3); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dyn_drop)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `test_associatedType` should have a snake case name [INFO] [stderr] --> src/main.rs:119:4 [INFO] [stderr] | [INFO] [stderr] 119 | fn test_associatedType(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_associated_type` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `test_defaultTypeParameters` should have a snake case name [INFO] [stderr] --> src/main.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn test_defaultTypeParameters(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_default_type_parameters` [INFO] [stderr] [INFO] [stderr] warning: function `test_highType` should have a snake case name [INFO] [stderr] --> src/main.rs:149:4 [INFO] [stderr] | [INFO] [stderr] 149 | fn test_highType(){ [INFO] [stderr] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_high_type` [INFO] [stderr] [INFO] [stderr] warning: function `test_derivableTrait` should have a snake case name [INFO] [stderr] --> src/main.rs:194:4 [INFO] [stderr] | [INFO] [stderr] 194 | fn test_derivableTrait(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_derivable_trait` [INFO] [stderr] [INFO] [stderr] warning: `htqx_minigrep` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] warning: `htqx_minigrep` (bin "htqx_minigrep" test) generated 31 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/htqx_minigrep-706c7c6fc08c4f14) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::one ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::one stdout ---- [INFO] [stdout] thread 'tests::one' panicked at 'assertion failed: vec![\"safe,fase,productive.\"] == search(query, contents)', src/lib.rs:57:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5587e77ea7ac - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5587e77ea7ac - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5587e77ea7ac - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5587e77ea7ac - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5587e780dbec - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x5587e77e73f5 - std::io::Write::write_fmt::hb6383f24fe197d3c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x5587e77ec460 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5587e77ec460 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5587e77ec460 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x5587e77ec052 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:224:9 [INFO] [stdout] 10: 0x5587e77ecb14 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x5587e77ec5c2 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x5587e77eac74 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5587e77ec559 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x5587e7792651 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x5587e779259d - core::panicking::panic::h8a6bc58a21c6c095 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:50:5 [INFO] [stdout] 16: 0x5587e7793f4c - htqx_minigrep::tests::one::hd0bcce21f9510d7d [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:57:9 [INFO] [stdout] 17: 0x5587e7793e0a - htqx_minigrep::tests::one::{{closure}}::h36859a6de72c2d7c [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:50:5 [INFO] [stdout] 18: 0x5587e7794d7e - core::ops::function::FnOnce::call_once::hf2a719e7af6faa30 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x5587e77c99f3 - core::ops::function::FnOnce::call_once::h61555a204318cc58 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x5587e77c99f3 - test::__rust_begin_short_backtrace::h8331e7b1cc7a6e62 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:578:5 [INFO] [stdout] 21: 0x5587e77c8478 - as core::ops::function::FnOnce>::call_once::h98582e597fa7f145 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 22: 0x5587e77c8478 - as core::ops::function::FnOnce<()>>::call_once::h38fa7a0826ecff45 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 23: 0x5587e77c8478 - std::panicking::try::do_call::h5b27d1cfffaa9f87 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 24: 0x5587e77c8478 - std::panicking::try::h86f7124b3264bcbe [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 25: 0x5587e77c8478 - std::panic::catch_unwind::h42dadf3598df7528 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 26: 0x5587e77c8478 - test::run_test_in_process::h9d4b7510f0910050 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:601:18 [INFO] [stdout] 27: 0x5587e77c8478 - test::run_test::run_test_inner::{{closure}}::h9b17f1fd181fe294 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:493:39 [INFO] [stdout] 28: 0x5587e7795fce - test::run_test::run_test_inner::{{closure}}::h476f9211dfec6075 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/test/src/lib.rs:520:37 [INFO] [stdout] 29: 0x5587e7795fce - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2db6945645950d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 30: 0x5587e779a868 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h791169ea9ba5492d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 31: 0x5587e779a868 - as core::ops::function::FnOnce<()>>::call_once::he930357ede3f4b4d [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 32: 0x5587e779a868 - std::panicking::try::do_call::h0de4b1dd08a9aa80 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 33: 0x5587e779a868 - std::panicking::try::hf5b5c530df698d97 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 34: 0x5587e779a868 - std::panic::catch_unwind::hed97078f17dbf191 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 35: 0x5587e779a868 - std::thread::Builder::spawn_unchecked::{{closure}}::h2e673950929cba93 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 36: 0x5587e779a868 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8e18ddd18a52f010 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 37: 0x5587e77f17c3 - as core::ops::function::FnOnce>::call_once::hbbbb32ef11ea0ad2 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 38: 0x5587e77f17c3 - as core::ops::function::FnOnce>::call_once::h3b8ef23699fc5385 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/boxed.rs:1636:9 [INFO] [stdout] 39: 0x5587e77f17c3 - std::sys::unix::thread::Thread::new::thread_start::ha57f5cba35f709b7 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 40: 0x7fb2e5027609 - start_thread [INFO] [stdout] 41: 0x7fb2e4df9293 - clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::one [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "5c71ab979b758b1e042f2111835ba4236b06149f35a7fb83c7c1a0127e01f3b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c71ab979b758b1e042f2111835ba4236b06149f35a7fb83c7c1a0127e01f3b9", kill_on_drop: false }` [INFO] [stdout] 5c71ab979b758b1e042f2111835ba4236b06149f35a7fb83c7c1a0127e01f3b9