[INFO] updating cached repository rongfengliang/rustdemoapp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rongfengliang/rustdemoapp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rongfengliang/rustdemoapp" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rongfengliang/rustdemoapp"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rongfengliang/rustdemoapp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rongfengliang/rustdemoapp" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rongfengliang/rustdemoapp"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rongfengliang/rustdemoapp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c3f2a9cb0a589928e1f68e074c690fb0815f81d
[INFO] sha for GitHub repo rongfengliang/rustdemoapp: 0c3f2a9cb0a589928e1f68e074c690fb0815f81d
[INFO] validating manifest of rongfengliang/rustdemoapp on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rongfengliang/rustdemoapp on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rongfengliang/rustdemoapp
[INFO] finished frobbing rongfengliang/rustdemoapp
[INFO] frobbed toml for rongfengliang/rustdemoapp written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rongfengliang/rustdemoapp/Cargo.toml
[INFO] started frobbing rongfengliang/rustdemoapp
[INFO] finished frobbing rongfengliang/rustdemoapp
[INFO] frobbed toml for rongfengliang/rustdemoapp written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rongfengliang/rustdemoapp/Cargo.toml
[INFO] crate rongfengliang/rustdemoapp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rongfengliang/rustdemoapp against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rongfengliang/rustdemoapp:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4e1f8c423a074cc4a85c0582a0b278f76ab86c4031d111f5e3a2194fd225b6e9
[INFO] running `"docker" "start" "-a" "4e1f8c423a074cc4a85c0582a0b278f76ab86c4031d111f5e3a2194fd225b6e9"`
[INFO] [stderr]    Compiling pest v1.0.3
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]    Compiling pest_derive v1.0.3
[INFO] [stderr]     Checking handlebars v0.32.0
[INFO] [stderr]     Checking first v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/main.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn appdemo(name:&str)->&str{
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn f(n: T) {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/main.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn login(&self, name: &str) -> &str {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `say_demo`
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn say_demo(name: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `second`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn second(){
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/main.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn appdemo(name:&str)->&str{
[INFO] [stderr]    |                ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn f(n: T) {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/main.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn login(&self, name: &str) -> &str {
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `say_demo`
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn say_demo(name: &str) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `second`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn second(){
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `"docker" "inspect" "4e1f8c423a074cc4a85c0582a0b278f76ab86c4031d111f5e3a2194fd225b6e9"`
[INFO] running `"docker" "rm" "-f" "4e1f8c423a074cc4a85c0582a0b278f76ab86c4031d111f5e3a2194fd225b6e9"`
[INFO] [stdout] 4e1f8c423a074cc4a85c0582a0b278f76ab86c4031d111f5e3a2194fd225b6e9