Dec 17 23:12:19.816 INFO checking huangqian/rust-in-action against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:12:19.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/huangqian/rust-in-action:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:12:20.077 INFO [stdout] 635ba6146d1ee98e5086ab18f864d49b83e83a39293e4d7b21824de439f3038c
Dec 17 23:12:20.084 INFO running `"docker" "start" "-a" "635ba6146d1ee98e5086ab18f864d49b83e83a39293e4d7b21824de439f3038c"`
Dec 17 23:12:21.333 INFO [stderr]     Checking twox-hash v1.1.1
Dec 17 23:12:21.336 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 17 23:12:21.336 INFO [stderr]     Checking combine v3.5.2
Dec 17 23:12:21.336 INFO [stderr]     Checking num-bigint v0.2.1
Dec 17 23:12:21.339 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 17 23:12:22.232 INFO [stderr]     Checking regex v1.0.6
Dec 17 23:12:22.424 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 17 23:12:25.300 INFO [stderr]     Checking mysql_common v0.9.2
Dec 17 23:12:28.854 INFO [stderr]     Checking mysql v14.1.1
Dec 17 23:12:41.264 INFO [stderr]     Checking redis v0.9.1
Dec 17 23:12:44.888 INFO [stderr]     Checking rust-in-action v0.1.0 (/opt/crater/workdir)
Dec 17 23:12:45.295 INFO [stderr] warning: unused variable: `f2`
Dec 17 23:12:45.295 INFO [stderr]   --> examples/copy.rs:23:9
Dec 17 23:12:45.295 INFO [stderr]    |
Dec 17 23:12:45.295 INFO [stderr] 23 |     let f2 = f1;
Dec 17 23:12:45.295 INFO [stderr]    |         ^^ help: consider using `_f2` instead
Dec 17 23:12:45.295 INFO [stderr]    |
Dec 17 23:12:45.295 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:12:45.295 INFO [stderr] 
Dec 17 23:12:45.676 INFO [stderr] warning: unused variable: `black`
Dec 17 23:12:45.676 INFO [stderr]   --> examples/structs.rs:41:9
Dec 17 23:12:45.676 INFO [stderr]    |
Dec 17 23:12:45.676 INFO [stderr] 41 |     let black = Color(0, 0, 0);
Dec 17 23:12:45.676 INFO [stderr]    |         ^^^^^ help: consider using `_black` instead
Dec 17 23:12:45.676 INFO [stderr]    |
Dec 17 23:12:45.676 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:12:45.676 INFO [stderr] 
Dec 17 23:12:45.676 INFO [stderr] warning: unused variable: `origin`
Dec 17 23:12:45.676 INFO [stderr]   --> examples/structs.rs:42:9
Dec 17 23:12:45.676 INFO [stderr]    |
Dec 17 23:12:45.676 INFO [stderr] 42 |     let origin = Point(0, 0, 0);
Dec 17 23:12:45.676 INFO [stderr]    |         ^^^^^^ help: consider using `_origin` instead
Dec 17 23:12:45.676 INFO [stderr] 
Dec 17 23:12:45.684 INFO [stderr] warning: method is never used: `can_hold`
Dec 17 23:12:45.684 INFO [stderr]   --> examples/structs.rs:98:5
Dec 17 23:12:45.684 INFO [stderr]    |
Dec 17 23:12:45.684 INFO [stderr] 98 |     fn can_hold(&self, other: &Rectangle) -> bool{
Dec 17 23:12:45.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:12:45.688 INFO [stderr]    |
Dec 17 23:12:45.688 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:12:45.688 INFO [stderr] 
Dec 17 23:12:45.772 INFO [stderr] warning: unused variable: `user1`
Dec 17 23:12:45.772 INFO [stderr]   --> src/main.rs:63:9
Dec 17 23:12:45.772 INFO [stderr]    |
Dec 17 23:12:45.772 INFO [stderr] 63 |     let user1 = User{
Dec 17 23:12:45.772 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 17 23:12:45.772 INFO [stderr]    |
Dec 17 23:12:45.772 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:12:45.772 INFO [stderr] 
Dec 17 23:12:45.802 INFO [stderr] warning: struct is never constructed: `User`
Dec 17 23:12:45.802 INFO [stderr]   --> src/main.rs:55:1
Dec 17 23:12:45.802 INFO [stderr]    |
Dec 17 23:12:45.802 INFO [stderr] 55 | struct User{
Dec 17 23:12:45.802 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 23:12:45.804 INFO [stderr]    |
Dec 17 23:12:45.804 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:12:45.804 INFO [stderr] 
Dec 17 23:12:45.804 INFO [stderr] warning: function is never used: `struct_example`
Dec 17 23:12:45.804 INFO [stderr]   --> src/main.rs:62:1
Dec 17 23:12:45.804 INFO [stderr]    |
Dec 17 23:12:45.804 INFO [stderr] 62 | fn struct_example(){
Dec 17 23:12:45.804 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 23:12:45.804 INFO [stderr] 
Dec 17 23:12:45.911 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 23:12:45.911 INFO [stderr]  --> examples/mysql.rs:1:1
Dec 17 23:12:45.911 INFO [stderr]   |
Dec 17 23:12:45.911 INFO [stderr] 1 | #[macro_use]
Dec 17 23:12:45.911 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 23:12:45.911 INFO [stderr]   |
Dec 17 23:12:45.911 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:12:45.911 INFO [stderr] 
Dec 17 23:12:45.940 INFO [stderr] warning: unused variable: `s2`
Dec 17 23:12:45.940 INFO [stderr]  --> examples/ownership.rs:8:9
Dec 17 23:12:45.940 INFO [stderr]   |
Dec 17 23:12:45.940 INFO [stderr] 8 |     let s2 = s1;
Dec 17 23:12:45.940 INFO [stderr]   |         ^^ help: consider using `_s2` instead
Dec 17 23:12:45.941 INFO [stderr] warning: unused variable: `one`
Dec 17 23:12:45.942 INFO [stderr]   --> examples/match.rs:18:9
Dec 17 23:12:45.942 INFO [stderr]    |
Dec 17 23:12:45.942 INFO [stderr] 18 |     let one = increment(None);
Dec 17 23:12:45.942 INFO [stderr]    |         ^^^ help: consider using `_one` instead
Dec 17 23:12:45.942 INFO [stderr]    |
Dec 17 23:12:45.942 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:12:45.942 INFO [stderr] 
Dec 17 23:12:45.945 INFO [stderr]   |
Dec 17 23:12:45.945 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 23:12:45.945 INFO [stderr] 
Dec 17 23:12:45.960 INFO [stderr] warning: variant is never constructed: `Alabama`
Dec 17 23:12:45.960 INFO [stderr]   --> examples/match.rs:23:5
Dec 17 23:12:45.960 INFO [stderr]    |
Dec 17 23:12:45.960 INFO [stderr] 23 |     Alabama,
Dec 17 23:12:45.960 INFO [stderr]    |     ^^^^^^^
Dec 17 23:12:45.960 INFO [stderr]    |
Dec 17 23:12:45.960 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:12:45.960 INFO [stderr] 
Dec 17 23:12:45.960 INFO [stderr] warning: variant is never constructed: `Nickel`
Dec 17 23:12:45.960 INFO [stderr]   --> examples/match.rs:29:5
Dec 17 23:12:45.960 INFO [stderr]    |
Dec 17 23:12:45.960 INFO [stderr] 29 |     Nickel,
Dec 17 23:12:45.960 INFO [stderr]    |     ^^^^^^
Dec 17 23:12:45.960 INFO [stderr] 
Dec 17 23:12:45.960 INFO [stderr] warning: variant is never constructed: `Dime`
Dec 17 23:12:45.960 INFO [stderr]   --> examples/match.rs:30:5
Dec 17 23:12:45.960 INFO [stderr]    |
Dec 17 23:12:45.960 INFO [stderr] 30 |     Dime,
Dec 17 23:12:45.960 INFO [stderr]    |     ^^^^
Dec 17 23:12:45.960 INFO [stderr] 
Dec 17 23:12:46.261 INFO [stderr] warning: enum is never used: `IpAddrKind`
Dec 17 23:12:46.261 INFO [stderr]  --> examples/enums.rs:7:1
Dec 17 23:12:46.261 INFO [stderr]   |
Dec 17 23:12:46.261 INFO [stderr] 7 | enum IpAddrKind{
Dec 17 23:12:46.261 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 17 23:12:46.261 INFO [stderr]   |
Dec 17 23:12:46.262 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 23:12:46.264 INFO [stderr] 
Dec 17 23:12:46.697 INFO [stderr] warning: function is never used: `while_case`
Dec 17 23:12:46.697 INFO [stderr]   --> examples/loop.rs:11:1
Dec 17 23:12:46.697 INFO [stderr]    |
Dec 17 23:12:46.697 INFO [stderr] 11 | fn while_case(){
Dec 17 23:12:46.697 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 17 23:12:46.697 INFO [stderr]    |
Dec 17 23:12:46.698 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:12:46.698 INFO [stderr] 
Dec 17 23:12:46.698 INFO [stderr] warning: function is never used: `while_demo_2`
Dec 17 23:12:46.698 INFO [stderr]   --> examples/loop.rs:20:1
Dec 17 23:12:46.698 INFO [stderr]    |
Dec 17 23:12:46.698 INFO [stderr] 20 | fn while_demo_2(){
Dec 17 23:12:46.698 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 17 23:12:46.698 INFO [stderr] 
Dec 17 23:12:46.783 INFO [stderr] warning: unused variable: `user1`
Dec 17 23:12:46.784 INFO [stderr]   --> src/main.rs:63:9
Dec 17 23:12:46.784 INFO [stderr]    |
Dec 17 23:12:46.784 INFO [stderr] 63 |     let user1 = User{
Dec 17 23:12:46.785 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 17 23:12:46.786 INFO [stderr]    |
Dec 17 23:12:46.786 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:12:46.786 INFO [stderr] 
Dec 17 23:12:46.813 INFO [stderr] warning: struct is never constructed: `User`
Dec 17 23:12:46.814 INFO [stderr]   --> src/main.rs:55:1
Dec 17 23:12:46.814 INFO [stderr]    |
Dec 17 23:12:46.814 INFO [stderr] 55 | struct User{
Dec 17 23:12:46.814 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 23:12:46.815 INFO [stderr]    |
Dec 17 23:12:46.815 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:12:46.815 INFO [stderr] 
Dec 17 23:12:46.815 INFO [stderr] warning: function is never used: `struct_example`
Dec 17 23:12:46.816 INFO [stderr]   --> src/main.rs:62:1
Dec 17 23:12:46.816 INFO [stderr]    |
Dec 17 23:12:46.816 INFO [stderr] 62 | fn struct_example(){
Dec 17 23:12:46.816 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 23:12:46.820 INFO [stderr] 
Dec 17 23:12:47.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.91s
Dec 17 23:12:47.620 INFO running `"docker" "inspect" "635ba6146d1ee98e5086ab18f864d49b83e83a39293e4d7b21824de439f3038c"`
Dec 17 23:12:47.864 INFO running `"docker" "rm" "-f" "635ba6146d1ee98e5086ab18f864d49b83e83a39293e4d7b21824de439f3038c"`
Dec 17 23:12:48.108 INFO [stdout] 635ba6146d1ee98e5086ab18f864d49b83e83a39293e4d7b21824de439f3038c