[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 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[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] 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] validating manifest of git repo https://github.com/rongfengliang/rust-mod-workspace on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.93
[INFO] [stderr]   Downloaded serde v1.0.93
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded syn v0.15.38
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f
[INFO] running `Command { std: "docker" "start" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling quote v0.6.12
[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 itoa v0.4.4
[INFO] [stderr]     Checking macros_lib v0.1.0 (/opt/rustwide/workdir/learning/macros_lib)
[INFO] [stderr]     Checking libmods v0.1.0 (/opt/rustwide/workdir/lib/libmods)
[INFO] [stderr]     Checking moddemo v0.1.0 (/opt/rustwide/workdir/lib/moddemo)
[INFO] [stderr]     Checking app-modmetrics v0.1.0 (/opt/rustwide/workdir/lib/modmetrics)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking function v0.1.0 (/opt/rustwide/workdir/learning/function)
[INFO] [stderr]     Checking lifetime v0.1.0 (/opt/rustwide/workdir/learning/lifetime)
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/learning/macros)
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:50
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |                                                  ^^^ this value is reassigned later and never used
[INFO] [stdout] 12 |     myfn = add2;
[INFO] [stdout]    |     ----------- `myfn` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rc-demo v0.1.0 (/opt/rustwide/workdir/learning/rc-demo)
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]  --> learning/macros/src/macros.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! dalong_demo {
[INFO] [stdout] 3 |     () => (
[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]   = 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]   = 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 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]   = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking traits v0.1.0 (/opt/rustwide/workdir/learning/traits)
[INFO] [stderr]     Checking arrays v0.1.0 (/opt/rustwide/workdir/learning/arrays)
[INFO] [stderr] error: could not compile `macros` (bin "macros" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] running `Command { std: "docker" "inspect" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f", kill_on_drop: false }`
[INFO] [stdout] e76723b52b7f48658ddabb383fa835e3b623a9a51e87f982a8a7f59d0a75f55f
