[INFO] cloning repository https://github.com/rongfengliang/rust-mod-workspace [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rongfengliang/rust-mod-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4ae69f044a445c3822b510f7baf49055f4914db [INFO] checking rongfengliang/rust-mod-workspace against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rongfengliang/rust-mod-workspace on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rongfengliang/rust-mod-workspace [INFO] finished tweaking git repo https://github.com/rongfengliang/rust-mod-workspace [INFO] tweaked toml for git repo https://github.com/rongfengliang/rust-mod-workspace written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rongfengliang/rust-mod-workspace already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded serde v1.0.93 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded serde_derive v1.0.93 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded syn v0.15.38 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded libc v0.2.58 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0d682ee826ebde5b3c198afb7d432114a9c3548e9e743d79a20ef388a848c66 [INFO] running `Command { std: "docker" "start" "-a" "d0d682ee826ebde5b3c198afb7d432114a9c3548e9e743d79a20ef388a848c66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0d682ee826ebde5b3c198afb7d432114a9c3548e9e743d79a20ef388a848c66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d682ee826ebde5b3c198afb7d432114a9c3548e9e743d79a20ef388a848c66", kill_on_drop: false }` [INFO] [stdout] d0d682ee826ebde5b3c198afb7d432114a9c3548e9e743d79a20ef388a848c66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6de3c9429794d857edbf3c0d290918a38fb6090c9b456cbb53186e6c0b4da113 [INFO] running `Command { std: "docker" "start" "-a" "6de3c9429794d857edbf3c0d290918a38fb6090c9b456cbb53186e6c0b4da113", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.38 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking users v0.1.0 (/opt/rustwide/workdir/lib/users) [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking moddemo v0.1.0 (/opt/rustwide/workdir/lib/moddemo) [INFO] [stderr] Checking libmods v0.1.0 (/opt/rustwide/workdir/lib/libmods) [INFO] [stderr] Checking app-modmetrics v0.1.0 (/opt/rustwide/workdir/lib/modmetrics) [INFO] [stdout] warning: constant `X` is never used [INFO] [stdout] --> lib/users/src/lib.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | const X: i32 = 10; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking macros_lib v0.1.0 (/opt/rustwide/workdir/learning/macros_lib) [INFO] [stderr] Checking lifetime v0.1.0 (/opt/rustwide/workdir/learning/lifetime) [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking macros v0.1.0 (/opt/rustwide/workdir/learning/macros) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/learning/traits) [INFO] [stderr] Checking usersmain v0.1.0 (/opt/rustwide/workdir/lib/usersmain) [INFO] [stdout] warning: unused import: `rong::Rong` [INFO] [stdout] --> learning/lifetime/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rong::Rong; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking function v0.1.0 (/opt/rustwide/workdir/learning/function) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> learning/lifetime/src/rong.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rong = Rong{first_name:"dalong",second_name:"demoapp",third_name:"demoapp"}; [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: struct `Rong` is never constructed [INFO] [stdout] --> learning/lifetime/src/rong.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Rong<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `printname` and `demo` are never used [INFO] [stdout] --> learning/lifetime/src/rong.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'a> Rong<'a> { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 9 | pub fn printname(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn demo(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking matchs v0.1.0 (/opt/rustwide/workdir/learning/matchs) [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> learning/macros/src/macros.rs:4:40 [INFO] [stdout] | [INFO] [stdout] 4 | println!("{}","this is a demo"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: learning/macros/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | dalong_demo!() [INFO] [stdout] | -------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `dalong_demo` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dalong_demo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] 12 + if username=="dalong"&&userpassword=="dalong" { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | if (self.name==username && self.password==userpassword){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - if (self.name==username && self.password==userpassword){ [INFO] [stdout] 21 + if self.name==username && self.password==userpassword { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `myfn` is never read [INFO] [stdout] --> learning/function/src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut myfn:fn(first:i32,second: i32)->i32= add; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking closure v0.1.0 (/opt/rustwide/workdir/learning/closure) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> learning/matchs/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut usertoken: Option = Some("dalongdemo".into()); [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] [stderr] Checking arrays v0.1.0 (/opt/rustwide/workdir/learning/arrays) [INFO] [stdout] warning: unused variable: `moddemo` [INFO] [stdout] --> lib/usersmain/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let moddemo =UserLogin{name:"dlaongdemo".into()}; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moddemo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `appdefaultop2` [INFO] [stdout] --> lib/usersmain/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let appdefaultop2 = appdefault.add(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_appdefaultop2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> lib/usersmain/src/app/add.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Add{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 3 | pub first: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | pub second: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub third: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rong` is never constructed [INFO] [stdout] --> lib/usersmain/src/app/add.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Rong<'a>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rc-demo v0.1.0 (/opt/rustwide/workdir/learning/rc-demo) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `moddemo` [INFO] [stdout] --> lib/usersmain/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let moddemo =UserLogin{name:"dlaongdemo".into()}; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moddemo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `appdefaultop2` [INFO] [stdout] --> lib/usersmain/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let appdefaultop2 = appdefault.add(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_appdefaultop2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> lib/usersmain/src/app/add.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Add{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 3 | pub first: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | pub second: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub third: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rong` is never constructed [INFO] [stdout] --> lib/usersmain/src/app/add.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Rong<'a>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> learning/closure/src/main.rs:2:29 [INFO] [stdout] | [INFO] [stdout] 2 | fn make_adder(x:i32) -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 2 | fn make_adder(x:i32) -> Box i32> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `X` is never used [INFO] [stdout] --> lib/users/src/lib.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | const X: i32 = 10; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_adder` is never used [INFO] [stdout] --> learning/closure/src/main.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn make_adder(x:i32) -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> learning/closure/src/main.rs:2:29 [INFO] [stdout] | [INFO] [stdout] 2 | fn make_adder(x:i32) -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 2 | fn make_adder(x:i32) -> Box i32> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_adder` is never used [INFO] [stdout] --> learning/closure/src/main.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn make_adder(x:i32) -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> learning/matchs/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut usertoken: Option = Some("dalongdemo".into()); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> learning/macros/src/macros.rs:4:40 [INFO] [stdout] | [INFO] [stdout] 4 | println!("{}","this is a demo"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: learning/macros/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | dalong_demo!() [INFO] [stdout] | -------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `dalong_demo` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dalong_demo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `myfn` is never read [INFO] [stdout] --> learning/function/src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut myfn:fn(first:i32,second: i32)->i32= add; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] 12 + if username=="dalong"&&userpassword=="dalong" { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | if (self.name==username && self.password==userpassword){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - if (self.name==username && self.password==userpassword){ [INFO] [stdout] 21 + if self.name==username && self.password==userpassword { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rong::Rong` [INFO] [stdout] --> learning/lifetime/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rong::Rong; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> learning/lifetime/src/rong.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rong = Rong{first_name:"dalong",second_name:"demoapp",third_name:"demoapp"}; [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: struct `Rong` is never constructed [INFO] [stdout] --> learning/lifetime/src/rong.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Rong<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `printname` and `demo` are never used [INFO] [stdout] --> learning/lifetime/src/rong.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'a> Rong<'a> { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 9 | pub fn printname(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn demo(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking cliapp v0.1.0 (/opt/rustwide/workdir/learning/cliapp) [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking mod-app v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `aaa` [INFO] [stdout] --> src/main.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use users::{user,aaa}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `aaa` [INFO] [stdout] --> src/main.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use users::{user,aaa}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn demo(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn demo(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: macros v0.1.0 (/opt/rustwide/workdir/learning/macros) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "6de3c9429794d857edbf3c0d290918a38fb6090c9b456cbb53186e6c0b4da113", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6de3c9429794d857edbf3c0d290918a38fb6090c9b456cbb53186e6c0b4da113", kill_on_drop: false }` [INFO] [stdout] 6de3c9429794d857edbf3c0d290918a38fb6090c9b456cbb53186e6c0b4da113 [INFO] checking rongfengliang/rust-mod-workspace against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rongfengliang/rust-mod-workspace on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rongfengliang/rust-mod-workspace [INFO] finished tweaking git repo https://github.com/rongfengliang/rust-mod-workspace [INFO] tweaked toml for git repo https://github.com/rongfengliang/rust-mod-workspace written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rongfengliang/rust-mod-workspace already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ed49d102995bcd301db966a9b7dab7f4488ffb3b15d2e94711f7fdfed340bad [INFO] running `Command { std: "docker" "start" "-a" "1ed49d102995bcd301db966a9b7dab7f4488ffb3b15d2e94711f7fdfed340bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ed49d102995bcd301db966a9b7dab7f4488ffb3b15d2e94711f7fdfed340bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ed49d102995bcd301db966a9b7dab7f4488ffb3b15d2e94711f7fdfed340bad", kill_on_drop: false }` [INFO] [stdout] 1ed49d102995bcd301db966a9b7dab7f4488ffb3b15d2e94711f7fdfed340bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18ac6705484d6e4cfc023d90545fa3b9a06ab879c35fb842e14ae6ed586cf1cb [INFO] running `Command { std: "docker" "start" "-a" "18ac6705484d6e4cfc023d90545fa3b9a06ab879c35fb842e14ae6ed586cf1cb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.38 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Checking users v0.1.0 (/opt/rustwide/workdir/lib/users) [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking libmods v0.1.0 (/opt/rustwide/workdir/lib/libmods) [INFO] [stderr] Checking app-modmetrics v0.1.0 (/opt/rustwide/workdir/lib/modmetrics) [INFO] [stderr] Checking moddemo v0.1.0 (/opt/rustwide/workdir/lib/moddemo) [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking macros_lib v0.1.0 (/opt/rustwide/workdir/learning/macros_lib) [INFO] [stderr] Checking arrays v0.1.0 (/opt/rustwide/workdir/learning/arrays) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/learning/traits) [INFO] [stderr] Checking lifetime v0.1.0 (/opt/rustwide/workdir/learning/lifetime) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] 12 + if username=="dalong"&&userpassword=="dalong" { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | if (self.name==username && self.password==userpassword){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - if (self.name==username && self.password==userpassword){ [INFO] [stdout] 21 + if self.name==username && self.password==userpassword { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `X` is never used [INFO] [stdout] --> lib/users/src/lib.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | const X: i32 = 10; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking usersmain v0.1.0 (/opt/rustwide/workdir/lib/usersmain) [INFO] [stderr] Checking rc-demo v0.1.0 (/opt/rustwide/workdir/learning/rc-demo) [INFO] [stdout] warning: unused import: `rong::Rong` [INFO] [stdout] --> learning/lifetime/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rong::Rong; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> learning/lifetime/src/rong.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rong = Rong{first_name:"dalong",second_name:"demoapp",third_name:"demoapp"}; [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: struct `Rong` is never constructed [INFO] [stdout] --> learning/lifetime/src/rong.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Rong<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `printname` and `demo` are never used [INFO] [stdout] --> learning/lifetime/src/rong.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'a> Rong<'a> { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 9 | pub fn printname(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn demo(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `moddemo` [INFO] [stdout] --> lib/usersmain/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let moddemo =UserLogin{name:"dlaongdemo".into()}; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moddemo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `appdefaultop2` [INFO] [stdout] --> lib/usersmain/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let appdefaultop2 = appdefault.add(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_appdefaultop2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking function v0.1.0 (/opt/rustwide/workdir/learning/function) [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> lib/usersmain/src/app/add.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Add{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 3 | pub first: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | pub second: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub third: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rong` is never constructed [INFO] [stdout] --> lib/usersmain/src/app/add.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Rong<'a>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking matchs v0.1.0 (/opt/rustwide/workdir/learning/matchs) [INFO] [stdout] warning: constant `X` is never used [INFO] [stdout] --> lib/users/src/lib.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | const X: i32 = 10; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> learning/rc-demo/src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 3 | fn compare_option(first:Option,second:Option) -> bool { [INFO] [stdout] | --------------- ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 4 | match (first,second) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - if (username=="dalong"&&userpassword=="dalong") { [INFO] [stdout] 12 + if username=="dalong"&&userpassword=="dalong" { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> learning/traits/src/app/defaultlogin.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | if (self.name==username && self.password==userpassword){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 21 - if (self.name==username && self.password==userpassword){ [INFO] [stdout] 21 + if self.name==username && self.password==userpassword { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `moddemo` [INFO] [stdout] --> lib/usersmain/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let moddemo =UserLogin{name:"dlaongdemo".into()}; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_moddemo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `appdefaultop2` [INFO] [stdout] --> lib/usersmain/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let appdefaultop2 = appdefault.add(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_appdefaultop2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> lib/usersmain/src/app/add.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Add{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 3 | pub first: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | pub second: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub third: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rong` is never constructed [INFO] [stdout] --> lib/usersmain/src/app/add.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Rong<'a>{ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rc-demo` (bin "rc-demo") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `myfn` is never read [INFO] [stdout] --> learning/function/src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut myfn:fn(first:i32,second: i32)->i32= add; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rong::Rong` [INFO] [stdout] --> learning/lifetime/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rong::Rong; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> learning/matchs/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut usertoken: Option = Some("dalongdemo".into()); [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: variable does not need to be mutable [INFO] [stdout] --> learning/lifetime/src/rong.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rong = Rong{first_name:"dalong",second_name:"demoapp",third_name:"demoapp"}; [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: struct `Rong` is never constructed [INFO] [stdout] --> learning/lifetime/src/rong.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Rong<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rong` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `printname` and `demo` are never used [INFO] [stdout] --> learning/lifetime/src/rong.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'a> Rong<'a> { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 9 | pub fn printname(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn demo(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "18ac6705484d6e4cfc023d90545fa3b9a06ab879c35fb842e14ae6ed586cf1cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18ac6705484d6e4cfc023d90545fa3b9a06ab879c35fb842e14ae6ed586cf1cb", kill_on_drop: false }` [INFO] [stdout] 18ac6705484d6e4cfc023d90545fa3b9a06ab879c35fb842e14ae6ed586cf1cb