[INFO] fetching crate htqx_minigrep 1.0.0... [INFO] testing htqx_minigrep-1.0.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate htqx_minigrep 1.0.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate htqx_minigrep 1.0.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a271e727245f7aeeaacab4a71576b2e741ab145ba67ca7e0212270c61dc3a20 [INFO] running `Command { std: "docker" "start" "-a" "4a271e727245f7aeeaacab4a71576b2e741ab145ba67ca7e0212270c61dc3a20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a271e727245f7aeeaacab4a71576b2e741ab145ba67ca7e0212270c61dc3a20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a271e727245f7aeeaacab4a71576b2e741ab145ba67ca7e0212270c61dc3a20", kill_on_drop: false }` [INFO] [stdout] 4a271e727245f7aeeaacab4a71576b2e741ab145ba67ca7e0212270c61dc3a20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 237ef77ef9a06103bf6a47cad9f221805963ce8b48fbe7eac34755f692bdc87e [INFO] running `Command { std: "docker" "start" "-a" "237ef77ef9a06103bf6a47cad9f221805963ce8b48fbe7eac34755f692bdc87e", 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: `...` 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: 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: 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] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 158 - fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stdout] 158 + fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stdout] | [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] | ^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 53 - let mut a3:&Drop = &MyBox(3); [INFO] [stdout] 53 + let mut a3:&dyn Drop = &MyBox(3); [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 155 - let s:&std::fmt::Display = &"hi"; [INFO] [stdout] 155 + let s:&dyn std::fmt::Display = &"hi"; [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: 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] = note: `#[warn(dead_code)]` on by default [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: 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] [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: 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 0.95s [INFO] running `Command { std: "docker" "inspect" "237ef77ef9a06103bf6a47cad9f221805963ce8b48fbe7eac34755f692bdc87e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "237ef77ef9a06103bf6a47cad9f221805963ce8b48fbe7eac34755f692bdc87e", kill_on_drop: false }` [INFO] [stdout] 237ef77ef9a06103bf6a47cad9f221805963ce8b48fbe7eac34755f692bdc87e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a104d46108d3c26e3cc9d4cd6ef5e22185d2ac78899ed246c844933a2847895 [INFO] running `Command { std: "docker" "start" "-a" "3a104d46108d3c26e3cc9d4cd6ef5e22185d2ac78899ed246c844933a2847895", 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 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: `...` 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: 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: 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: 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] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 158 - fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stdout] 158 + fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stdout] | [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: 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] | ^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 53 - let mut a3:&Drop = &MyBox(3); [INFO] [stdout] 53 + let mut a3:&dyn Drop = &MyBox(3); [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 155 - let s:&std::fmt::Display = &"hi"; [INFO] [stdout] 155 + let s:&dyn std::fmt::Display = &"hi"; [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: 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] = note: `#[warn(dead_code)]` on by default [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: 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] [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: 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 0.53s [INFO] running `Command { std: "docker" "inspect" "3a104d46108d3c26e3cc9d4cd6ef5e22185d2ac78899ed246c844933a2847895", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a104d46108d3c26e3cc9d4cd6ef5e22185d2ac78899ed246c844933a2847895", kill_on_drop: false }` [INFO] [stdout] 3a104d46108d3c26e3cc9d4cd6ef5e22185d2ac78899ed246c844933a2847895 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e513c87069be711bd6d71f187e9a632c302450f797c35894d3ff707f672dd017 [INFO] running `Command { std: "docker" "start" "-a" "e513c87069be711bd6d71f187e9a632c302450f797c35894d3ff707f672dd017", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `...` 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: 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: 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] | ^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 158 - fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stderr] 158 + fn fa(f:fn(i32)->i32, a:i32)->Boxi32>{ [INFO] [stderr] | [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] | ^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 53 - let mut a3:&Drop = &MyBox(3); [INFO] [stderr] 53 + let mut a3:&dyn Drop = &MyBox(3); [INFO] [stderr] | [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] | ^^^^^^^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 155 - let s:&std::fmt::Display = &"hi"; [INFO] [stderr] 155 + let s:&dyn std::fmt::Display = &"hi"; [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] = note: `#[warn(dead_code)]` on by default [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: 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] 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 (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [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: 0x55a6fd3c0d9c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55a6fd3c0d9c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55a6fd3c0d9c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55a6fd3c0d9c - ::fmt::ha305a40dbc030444 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55a6fd3e60dc - core::fmt::write::hadd15acf4d6ce273 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55a6fd3bc698 - std::io::Write::write_fmt::h271050faa79d27d2 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55a6fd3c3067 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55a6fd3c3067 - std::sys_common::backtrace::print::h20a2155fa0a22ca6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55a6fd3c3067 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55a6fd3c2d9b - std::panicking::default_hook::h1c5cf4d5063a38e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55a6fd3c37ba - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55a6fd3c3469 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:586:13 [INFO] [stdout] 12: 0x55a6fd3c1264 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55a6fd3c31b9 - rust_begin_unwind [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55a6fd368123 - core::panicking::panic_fmt::hfb4b8460cd493e74 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55a6fd367fed - core::panicking::panic::h33838847634b5d2d [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:48:5 [INFO] [stdout] 16: 0x55a6fd36b556 - htqx_minigrep::tests::one::h1a19eac9489ce67d [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:57:9 [INFO] [stdout] 17: 0x55a6fd36b40a - htqx_minigrep::tests::one::{{closure}}::hb0e1cd16c3767d02 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:50:5 [INFO] [stdout] 18: 0x55a6fd36a44e - core::ops::function::FnOnce::call_once::hab2e1836afb9759a [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x55a6fd396dc3 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55a6fd396dc3 - test::__rust_begin_short_backtrace::h163f55298a15df9b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5 [INFO] [stdout] 21: 0x55a6fd395af1 - as core::ops::function::FnOnce>::call_once::hc911782b3cbc7ed5 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 22: 0x55a6fd395af1 - as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 23: 0x55a6fd395af1 - std::panicking::try::do_call::he60df4e3e832faff [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 24: 0x55a6fd395af1 - std::panicking::try::h2633cee89a0767f3 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 25: 0x55a6fd395af1 - std::panic::catch_unwind::h6e10f7b94ce38b1e [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 26: 0x55a6fd395af1 - test::run_test_in_process::h085ef39049c3b50b [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18 [INFO] [stdout] 27: 0x55a6fd395af1 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39 [INFO] [stdout] 28: 0x55a6fd39f3d1 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37 [INFO] [stdout] 29: 0x55a6fd39f3d1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 30: 0x55a6fd36bb2f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 31: 0x55a6fd36bb2f - as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 32: 0x55a6fd36bb2f - std::panicking::try::do_call::h5422165a88309c77 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40 [INFO] [stdout] 33: 0x55a6fd36bb2f - std::panicking::try::h840a12b54e2c9f5d [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19 [INFO] [stdout] 34: 0x55a6fd36bb2f - std::panic::catch_unwind::h85910e437c8da180 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14 [INFO] [stdout] 35: 0x55a6fd36bb2f - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 36: 0x55a6fd36bb2f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 37: 0x55a6fd3c9453 - as core::ops::function::FnOnce>::call_once::h82a18723295373b7 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 38: 0x55a6fd3c9453 - as core::ops::function::FnOnce>::call_once::h4b9b8634f7a2a5a4 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55a6fd3c9453 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852 [INFO] [stdout] at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 40: 0x7fc1ae5a8609 - start_thread [INFO] [stdout] 41: 0x7fc1ae37a293 - 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 0.05s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "e513c87069be711bd6d71f187e9a632c302450f797c35894d3ff707f672dd017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e513c87069be711bd6d71f187e9a632c302450f797c35894d3ff707f672dd017", kill_on_drop: false }` [INFO] [stdout] e513c87069be711bd6d71f187e9a632c302450f797c35894d3ff707f672dd017