Dec 04 17:35:22.725 INFO checking huangqian/rust-in-action against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:35:22.725 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 17:35:23.139 INFO [stdout] b235fb6f17028593da195cb576ef73ab6f98640459239cbca8ef72014795d86f
Dec 04 17:35:23.141 INFO running `"docker" "start" "-a" "b235fb6f17028593da195cb576ef73ab6f98640459239cbca8ef72014795d86f"`
Dec 04 17:35:24.083 INFO [stderr] usermod: no changes
Dec 04 17:35:24.234 INFO [stderr]     Checking combine v3.5.2
Dec 04 17:35:24.247 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 04 17:35:25.947 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 04 17:35:41.918 INFO [stderr]     Checking redis v0.9.1
Dec 04 17:35:46.983 INFO [stderr]     Checking rust-in-action v0.1.0 (/source)
Dec 04 17:35:48.919 INFO [stderr] warning: unused variable: `one`
Dec 04 17:35:48.919 INFO [stderr]   --> examples/match.rs:18:9
Dec 04 17:35:48.919 INFO [stderr]    |
Dec 04 17:35:48.919 INFO [stderr] 18 |     let one = increment(None);
Dec 04 17:35:48.919 INFO [stderr]    |         ^^^ help: consider using `_one` instead
Dec 04 17:35:48.947 INFO [stderr]    |
Dec 04 17:35:48.947 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:35:48.947 INFO [stderr] 
Dec 04 17:35:48.971 INFO [stderr] warning: variant is never constructed: `Alabama`
Dec 04 17:35:48.971 INFO [stderr]   --> examples/match.rs:23:5
Dec 04 17:35:48.971 INFO [stderr]    |
Dec 04 17:35:48.971 INFO [stderr] 23 |     Alabama,
Dec 04 17:35:48.971 INFO [stderr]    |     ^^^^^^^
Dec 04 17:35:48.971 INFO [stderr]    |
Dec 04 17:35:48.971 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:35:48.971 INFO [stderr] 
Dec 04 17:35:48.971 INFO [stderr] warning: variant is never constructed: `Nickel`
Dec 04 17:35:48.971 INFO [stderr]   --> examples/match.rs:29:5
Dec 04 17:35:48.971 INFO [stderr]    |
Dec 04 17:35:48.971 INFO [stderr] 29 |     Nickel,
Dec 04 17:35:48.971 INFO [stderr]    |     ^^^^^^
Dec 04 17:35:48.971 INFO [stderr] 
Dec 04 17:35:48.971 INFO [stderr] warning: variant is never constructed: `Dime`
Dec 04 17:35:48.971 INFO [stderr]   --> examples/match.rs:30:5
Dec 04 17:35:48.971 INFO [stderr]    |
Dec 04 17:35:48.971 INFO [stderr] 30 |     Dime,
Dec 04 17:35:48.971 INFO [stderr]    |     ^^^^
Dec 04 17:35:48.971 INFO [stderr] 
Dec 04 17:35:49.103 INFO [stderr] warning: enum is never used: `IpAddrKind`
Dec 04 17:35:49.103 INFO [stderr]  --> examples/enums.rs:7:1
Dec 04 17:35:49.103 INFO [stderr]   |
Dec 04 17:35:49.103 INFO [stderr] 7 | enum IpAddrKind{
Dec 04 17:35:49.103 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 04 17:35:49.103 INFO [stderr]   |
Dec 04 17:35:49.103 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 17:35:49.103 INFO [stderr] 
Dec 04 17:35:49.427 INFO [stderr] warning: unused variable: `s2`
Dec 04 17:35:49.427 INFO [stderr]  --> examples/ownership.rs:8:9
Dec 04 17:35:49.427 INFO [stderr]   |
Dec 04 17:35:49.427 INFO [stderr] 8 |     let s2 = s1;
Dec 04 17:35:49.427 INFO [stderr]   |         ^^ help: consider using `_s2` instead
Dec 04 17:35:49.427 INFO [stderr]   |
Dec 04 17:35:49.427 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 17:35:49.427 INFO [stderr] 
Dec 04 17:35:49.917 INFO [stderr] warning: unused variable: `user1`
Dec 04 17:35:49.917 INFO [stderr]   --> src/main.rs:63:9
Dec 04 17:35:49.917 INFO [stderr]    |
Dec 04 17:35:49.917 INFO [stderr] 63 |     let user1 = User{
Dec 04 17:35:49.917 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 04 17:35:49.917 INFO [stderr]    |
Dec 04 17:35:49.917 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:35:49.917 INFO [stderr] 
Dec 04 17:35:49.959 INFO [stderr] warning: struct is never constructed: `User`
Dec 04 17:35:49.959 INFO [stderr]   --> src/main.rs:55:1
Dec 04 17:35:49.959 INFO [stderr]    |
Dec 04 17:35:49.959 INFO [stderr] 55 | struct User{
Dec 04 17:35:49.959 INFO [stderr]    | ^^^^^^^^^^^
Dec 04 17:35:49.959 INFO [stderr]    |
Dec 04 17:35:49.959 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:35:49.959 INFO [stderr] 
Dec 04 17:35:49.959 INFO [stderr] warning: function is never used: `struct_example`
Dec 04 17:35:49.959 INFO [stderr]   --> src/main.rs:62:1
Dec 04 17:35:49.959 INFO [stderr]    |
Dec 04 17:35:49.959 INFO [stderr] 62 | fn struct_example(){
Dec 04 17:35:49.959 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 04 17:35:49.959 INFO [stderr] 
Dec 04 17:35:50.050 INFO [stderr] warning: function is never used: `while_case`
Dec 04 17:35:50.051 INFO [stderr]   --> examples/loop.rs:11:1
Dec 04 17:35:50.051 INFO [stderr]    |
Dec 04 17:35:50.051 INFO [stderr] 11 | fn while_case(){
Dec 04 17:35:50.051 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 04 17:35:50.051 INFO [stderr]    |
Dec 04 17:35:50.051 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:35:50.051 INFO [stderr] 
Dec 04 17:35:50.051 INFO [stderr] warning: function is never used: `while_demo_2`
Dec 04 17:35:50.051 INFO [stderr]   --> examples/loop.rs:20:1
Dec 04 17:35:50.051 INFO [stderr]    |
Dec 04 17:35:50.051 INFO [stderr] 20 | fn while_demo_2(){
Dec 04 17:35:50.051 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 04 17:35:50.051 INFO [stderr] 
Dec 04 17:35:50.831 INFO [stderr] warning: unused variable: `black`
Dec 04 17:35:50.831 INFO [stderr]   --> examples/structs.rs:41:9
Dec 04 17:35:50.831 INFO [stderr]    |
Dec 04 17:35:50.831 INFO [stderr] 41 |     let black = Color(0, 0, 0);
Dec 04 17:35:50.831 INFO [stderr]    |         ^^^^^ help: consider using `_black` instead
Dec 04 17:35:50.831 INFO [stderr]    |
Dec 04 17:35:50.831 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:35:50.831 INFO [stderr] 
Dec 04 17:35:50.831 INFO [stderr] warning: unused variable: `origin`
Dec 04 17:35:50.831 INFO [stderr]   --> examples/structs.rs:42:9
Dec 04 17:35:50.831 INFO [stderr]    |
Dec 04 17:35:50.831 INFO [stderr] 42 |     let origin = Point(0, 0, 0);
Dec 04 17:35:50.831 INFO [stderr]    |         ^^^^^^ help: consider using `_origin` instead
Dec 04 17:35:50.831 INFO [stderr] 
Dec 04 17:35:50.839 INFO [stderr] warning: method is never used: `can_hold`
Dec 04 17:35:50.839 INFO [stderr]   --> examples/structs.rs:98:5
Dec 04 17:35:50.839 INFO [stderr]    |
Dec 04 17:35:50.839 INFO [stderr] 98 |     fn can_hold(&self, other: &Rectangle) -> bool{
Dec 04 17:35:50.839 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:35:50.839 INFO [stderr]    |
Dec 04 17:35:50.839 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:35:50.839 INFO [stderr] 
Dec 04 17:35:50.880 INFO [stderr] warning: unused variable: `user1`
Dec 04 17:35:50.880 INFO [stderr]   --> src/main.rs:63:9
Dec 04 17:35:50.880 INFO [stderr]    |
Dec 04 17:35:50.880 INFO [stderr] 63 |     let user1 = User{
Dec 04 17:35:50.880 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 04 17:35:50.895 INFO [stderr]    |
Dec 04 17:35:50.895 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:35:50.895 INFO [stderr] 
Dec 04 17:35:50.936 INFO [stderr] warning: struct is never constructed: `User`
Dec 04 17:35:50.936 INFO [stderr]   --> src/main.rs:55:1
Dec 04 17:35:50.936 INFO [stderr]    |
Dec 04 17:35:50.936 INFO [stderr] 55 | struct User{
Dec 04 17:35:50.936 INFO [stderr]    | ^^^^^^^^^^^
Dec 04 17:35:50.955 INFO [stderr]    |
Dec 04 17:35:50.955 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 17:35:50.955 INFO [stderr] 
Dec 04 17:35:50.955 INFO [stderr] warning: function is never used: `struct_example`
Dec 04 17:35:50.955 INFO [stderr]   --> src/main.rs:62:1
Dec 04 17:35:50.955 INFO [stderr]    |
Dec 04 17:35:50.955 INFO [stderr] 62 | fn struct_example(){
Dec 04 17:35:50.955 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 04 17:35:50.955 INFO [stderr] 
Dec 04 17:35:51.395 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.28s
Dec 04 17:35:51.395 INFO [stderr] su: No module specific data is present
Dec 04 17:35:52.019 INFO running `"docker" "inspect" "b235fb6f17028593da195cb576ef73ab6f98640459239cbca8ef72014795d86f"`
Dec 04 17:35:52.267 INFO running `"docker" "rm" "-f" "b235fb6f17028593da195cb576ef73ab6f98640459239cbca8ef72014795d86f"`
Dec 04 17:35:52.592 INFO [stdout] b235fb6f17028593da195cb576ef73ab6f98640459239cbca8ef72014795d86f