Dec 19 09:58:32.531 INFO checking rongfengliang/rustdemoapp against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:58:32.531 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rongfengliang/rustdemoapp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:58:33.012 INFO [stdout] 047d9d1deb8c7d2b0af6b4a6c407ea29e16c65a5d07c6e2d88e1cf8e62ddb3b1
Dec 19 09:58:33.018 INFO running `"docker" "start" "-a" "047d9d1deb8c7d2b0af6b4a6c407ea29e16c65a5d07c6e2d88e1cf8e62ddb3b1"`
Dec 19 09:58:34.748 INFO [stderr]    Compiling pest v1.0.3
Dec 19 09:58:34.756 INFO [stderr]     Checking memchr v2.0.1
Dec 19 09:58:34.756 INFO [stderr]     Checking num-traits v0.1.43
Dec 19 09:58:35.077 INFO [stderr]     Checking serde_json v1.0.9
Dec 19 09:58:35.261 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 19 09:58:37.280 INFO [stderr]    Compiling pest_derive v1.0.3
Dec 19 09:58:37.575 INFO [stderr]     Checking regex v0.2.6
Dec 19 09:58:46.680 INFO [stderr]     Checking handlebars v0.32.0
Dec 19 09:58:48.861 INFO [stderr]     Checking first v0.1.0 (/opt/crater/workdir)
Dec 19 09:58:49.185 INFO [stderr] warning: unused variable: `name`
Dec 19 09:58:49.185 INFO [stderr]   --> src/main.rs:11:16
Dec 19 09:58:49.185 INFO [stderr]    |
Dec 19 09:58:49.185 INFO [stderr] 11 |     fn appdemo(name:&str)->&str{
Dec 19 09:58:49.185 INFO [stderr]    |                ^^^^ help: consider using `_name` instead
Dec 19 09:58:49.185 INFO [stderr]    |
Dec 19 09:58:49.185 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 09:58:49.185 INFO [stderr] 
Dec 19 09:58:49.185 INFO [stderr] warning: unused variable: `n`
Dec 19 09:58:49.185 INFO [stderr]   --> src/main.rs:15:10
Dec 19 09:58:49.185 INFO [stderr]    |
Dec 19 09:58:49.185 INFO [stderr] 15 |     fn f(n: T) {
Dec 19 09:58:49.185 INFO [stderr]    |          ^ help: consider using `_n` instead
Dec 19 09:58:49.185 INFO [stderr] 
Dec 19 09:58:49.185 INFO [stderr] warning: unused variable: `name`
Dec 19 09:58:49.185 INFO [stderr]   --> src/main.rs:28:21
Dec 19 09:58:49.185 INFO [stderr]    |
Dec 19 09:58:49.185 INFO [stderr] 28 |     fn login(&self, name: &str) -> &str {
Dec 19 09:58:49.185 INFO [stderr]    |                     ^^^^ help: consider using `_name` instead
Dec 19 09:58:49.185 INFO [stderr] 
Dec 19 09:58:49.192 INFO [stderr] warning: unused variable: `name`
Dec 19 09:58:49.192 INFO [stderr]   --> src/main.rs:11:16
Dec 19 09:58:49.192 INFO [stderr]    |
Dec 19 09:58:49.192 INFO [stderr] 11 |     fn appdemo(name:&str)->&str{
Dec 19 09:58:49.192 INFO [stderr]    |                ^^^^ help: consider using `_name` instead
Dec 19 09:58:49.192 INFO [stderr]    |
Dec 19 09:58:49.192 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 09:58:49.192 INFO [stderr] 
Dec 19 09:58:49.192 INFO [stderr] warning: unused variable: `n`
Dec 19 09:58:49.192 INFO [stderr]   --> src/main.rs:15:10
Dec 19 09:58:49.192 INFO [stderr]    |
Dec 19 09:58:49.192 INFO [stderr] 15 |     fn f(n: T) {
Dec 19 09:58:49.192 INFO [stderr]    |          ^ help: consider using `_n` instead
Dec 19 09:58:49.192 INFO [stderr] 
Dec 19 09:58:49.192 INFO [stderr] warning: unused variable: `name`
Dec 19 09:58:49.192 INFO [stderr]   --> src/main.rs:28:21
Dec 19 09:58:49.192 INFO [stderr]    |
Dec 19 09:58:49.192 INFO [stderr] 28 |     fn login(&self, name: &str) -> &str {
Dec 19 09:58:49.192 INFO [stderr]    |                     ^^^^ help: consider using `_name` instead
Dec 19 09:58:49.192 INFO [stderr] 
Dec 19 09:58:49.214 INFO [stderr] warning: function is never used: `say_demo`
Dec 19 09:58:49.214 INFO [stderr]  --> src/main.rs:1:1
Dec 19 09:58:49.214 INFO [stderr]   |
Dec 19 09:58:49.214 INFO [stderr] 1 | fn say_demo(name: &str) {
Dec 19 09:58:49.214 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:58:49.214 INFO [stderr]   |
Dec 19 09:58:49.214 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 09:58:49.214 INFO [stderr] 
Dec 19 09:58:49.214 INFO [stderr] warning: method is never used: `second`
Dec 19 09:58:49.214 INFO [stderr]   --> src/main.rs:23:5
Dec 19 09:58:49.214 INFO [stderr]    |
Dec 19 09:58:49.215 INFO [stderr] 23 |     fn second(){
Dec 19 09:58:49.215 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 09:58:49.215 INFO [stderr] 
Dec 19 09:58:49.215 INFO [stderr] warning: function is never used: `say_demo`
Dec 19 09:58:49.215 INFO [stderr]  --> src/main.rs:1:1
Dec 19 09:58:49.215 INFO [stderr]   |
Dec 19 09:58:49.215 INFO [stderr] 1 | fn say_demo(name: &str) {
Dec 19 09:58:49.215 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:58:49.215 INFO [stderr]   |
Dec 19 09:58:49.215 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 09:58:49.215 INFO [stderr] 
Dec 19 09:58:49.215 INFO [stderr] warning: method is never used: `second`
Dec 19 09:58:49.215 INFO [stderr]   --> src/main.rs:23:5
Dec 19 09:58:49.215 INFO [stderr]    |
Dec 19 09:58:49.215 INFO [stderr] 23 |     fn second(){
Dec 19 09:58:49.215 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 09:58:49.215 INFO [stderr] 
Dec 19 09:58:49.265 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.65s
Dec 19 09:58:50.282 INFO running `"docker" "inspect" "047d9d1deb8c7d2b0af6b4a6c407ea29e16c65a5d07c6e2d88e1cf8e62ddb3b1"`
Dec 19 09:58:50.578 INFO running `"docker" "rm" "-f" "047d9d1deb8c7d2b0af6b4a6c407ea29e16c65a5d07c6e2d88e1cf8e62ddb3b1"`
Dec 19 09:58:50.956 INFO [stdout] 047d9d1deb8c7d2b0af6b4a6c407ea29e16c65a5d07c6e2d88e1cf8e62ddb3b1