Dec 19 16:00:31.769 INFO checking huangqian/rust-in-action against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:00:31.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:00:32.076 INFO [stdout] bf507e577497616ee3166fc29f2ad499990aa13de8189bd9a7af31cfdbe43597
Dec 19 16:00:32.082 INFO running `"docker" "start" "-a" "bf507e577497616ee3166fc29f2ad499990aa13de8189bd9a7af31cfdbe43597"`
Dec 19 16:00:33.529 INFO [stderr]     Checking uuid v0.6.5
Dec 19 16:00:33.552 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 19 16:00:33.552 INFO [stderr]     Checking combine v3.5.2
Dec 19 16:00:33.552 INFO [stderr]     Checking num-bigint v0.2.1
Dec 19 16:00:33.552 INFO [stderr]     Checking chrono v0.4.6
Dec 19 16:00:33.558 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 19 16:00:34.872 INFO [stderr]     Checking regex v1.0.6
Dec 19 16:00:35.559 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 19 16:00:39.176 INFO [stderr]     Checking mysql_common v0.9.2
Dec 19 16:00:42.731 INFO [stderr]     Checking mysql v14.1.1
Dec 19 16:00:54.742 INFO [stderr]     Checking redis v0.9.1
Dec 19 16:00:58.661 INFO [stderr]     Checking rust-in-action v0.1.0 (/opt/crater/workdir)
Dec 19 16:00:59.068 INFO [stderr] warning: unused variable: `s2`
Dec 19 16:00:59.068 INFO [stderr]  --> examples/ownership.rs:8:9
Dec 19 16:00:59.068 INFO [stderr]   |
Dec 19 16:00:59.068 INFO [stderr] 8 |     let s2 = s1;
Dec 19 16:00:59.068 INFO [stderr]   |         ^^ help: consider using `_s2` instead
Dec 19 16:00:59.068 INFO [stderr]   |
Dec 19 16:00:59.068 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 16:00:59.068 INFO [stderr] 
Dec 19 16:00:59.393 INFO [stderr] warning: unused variable: `user1`
Dec 19 16:00:59.394 INFO [stderr]   --> src/main.rs:63:9
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr] 63 |     let user1 = User{
Dec 19 16:00:59.394 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:00:59.394 INFO [stderr] 
Dec 19 16:00:59.394 INFO [stderr] warning: struct is never constructed: `User`
Dec 19 16:00:59.394 INFO [stderr]   --> src/main.rs:55:1
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr] 55 | struct User{
Dec 19 16:00:59.394 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:00:59.394 INFO [stderr] 
Dec 19 16:00:59.394 INFO [stderr] warning: function is never used: `struct_example`
Dec 19 16:00:59.394 INFO [stderr]   --> src/main.rs:62:1
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr] 62 | fn struct_example(){
Dec 19 16:00:59.394 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 19 16:00:59.394 INFO [stderr] 
Dec 19 16:00:59.394 INFO [stderr] warning: unused variable: `black`
Dec 19 16:00:59.394 INFO [stderr]   --> examples/structs.rs:41:9
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr] 41 |     let black = Color(0, 0, 0);
Dec 19 16:00:59.394 INFO [stderr]    |         ^^^^^ help: consider using `_black` instead
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:00:59.394 INFO [stderr] 
Dec 19 16:00:59.394 INFO [stderr] warning: unused variable: `origin`
Dec 19 16:00:59.394 INFO [stderr]   --> examples/structs.rs:42:9
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr] 42 |     let origin = Point(0, 0, 0);
Dec 19 16:00:59.394 INFO [stderr]    |         ^^^^^^ help: consider using `_origin` instead
Dec 19 16:00:59.394 INFO [stderr] 
Dec 19 16:00:59.394 INFO [stderr] warning: method is never used: `can_hold`
Dec 19 16:00:59.394 INFO [stderr]   --> examples/structs.rs:98:5
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr] 98 |     fn can_hold(&self, other: &Rectangle) -> bool{
Dec 19 16:00:59.394 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:00:59.394 INFO [stderr]    |
Dec 19 16:00:59.394 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:00:59.394 INFO [stderr] 
Dec 19 16:00:59.607 INFO [stderr] warning: function is never used: `while_case`
Dec 19 16:00:59.608 INFO [stderr]   --> examples/loop.rs:11:1
Dec 19 16:00:59.608 INFO [stderr]    |
Dec 19 16:00:59.608 INFO [stderr] 11 | fn while_case(){
Dec 19 16:00:59.608 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 16:00:59.608 INFO [stderr]    |
Dec 19 16:00:59.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:00:59.608 INFO [stderr] 
Dec 19 16:00:59.608 INFO [stderr] warning: function is never used: `while_demo_2`
Dec 19 16:00:59.608 INFO [stderr]   --> examples/loop.rs:20:1
Dec 19 16:00:59.608 INFO [stderr]    |
Dec 19 16:00:59.608 INFO [stderr] 20 | fn while_demo_2(){
Dec 19 16:00:59.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 16:00:59.608 INFO [stderr] 
Dec 19 16:00:59.688 INFO [stderr] warning: unused variable: `f2`
Dec 19 16:00:59.688 INFO [stderr]   --> examples/copy.rs:23:9
Dec 19 16:00:59.688 INFO [stderr]    |
Dec 19 16:00:59.688 INFO [stderr] 23 |     let f2 = f1;
Dec 19 16:00:59.688 INFO [stderr]    |         ^^ help: consider using `_f2` instead
Dec 19 16:00:59.688 INFO [stderr]    |
Dec 19 16:00:59.688 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:00:59.688 INFO [stderr] 
Dec 19 16:00:59.808 INFO [stderr] warning: enum is never used: `IpAddrKind`
Dec 19 16:00:59.808 INFO [stderr]  --> examples/enums.rs:7:1
Dec 19 16:00:59.808 INFO [stderr]   |
Dec 19 16:00:59.808 INFO [stderr] 7 | enum IpAddrKind{
Dec 19 16:00:59.808 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 16:00:59.808 INFO [stderr]   |
Dec 19 16:00:59.808 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 16:00:59.808 INFO [stderr] 
Dec 19 16:01:00.014 INFO [stderr] warning: unused variable: `user1`
Dec 19 16:01:00.014 INFO [stderr]   --> src/main.rs:63:9
Dec 19 16:01:00.014 INFO [stderr]    |
Dec 19 16:01:00.014 INFO [stderr] 63 |     let user1 = User{
Dec 19 16:01:00.014 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 19 16:01:00.014 INFO [stderr]    |
Dec 19 16:01:00.014 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:01:00.014 INFO [stderr] 
Dec 19 16:01:00.018 INFO [stderr] warning: struct is never constructed: `User`
Dec 19 16:01:00.018 INFO [stderr]   --> src/main.rs:55:1
Dec 19 16:01:00.018 INFO [stderr]    |
Dec 19 16:01:00.018 INFO [stderr] 55 | struct User{
Dec 19 16:01:00.018 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 16:01:00.018 INFO [stderr]    |
Dec 19 16:01:00.018 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:01:00.018 INFO [stderr] 
Dec 19 16:01:00.018 INFO [stderr] warning: function is never used: `struct_example`
Dec 19 16:01:00.018 INFO [stderr]   --> src/main.rs:62:1
Dec 19 16:01:00.018 INFO [stderr]    |
Dec 19 16:01:00.018 INFO [stderr] 62 | fn struct_example(){
Dec 19 16:01:00.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 19 16:01:00.018 INFO [stderr] 
Dec 19 16:01:00.154 INFO [stderr] warning: unused variable: `one`
Dec 19 16:01:00.154 INFO [stderr]   --> examples/match.rs:18:9
Dec 19 16:01:00.154 INFO [stderr]    |
Dec 19 16:01:00.154 INFO [stderr] 18 |     let one = increment(None);
Dec 19 16:01:00.154 INFO [stderr]    |         ^^^ help: consider using `_one` instead
Dec 19 16:01:00.154 INFO [stderr]    |
Dec 19 16:01:00.154 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 16:01:00.154 INFO [stderr] 
Dec 19 16:01:00.161 INFO [stderr] warning: variant is never constructed: `Alabama`
Dec 19 16:01:00.161 INFO [stderr]   --> examples/match.rs:23:5
Dec 19 16:01:00.161 INFO [stderr]    |
Dec 19 16:01:00.161 INFO [stderr] 23 |     Alabama,
Dec 19 16:01:00.161 INFO [stderr]    |     ^^^^^^^
Dec 19 16:01:00.161 INFO [stderr]    |
Dec 19 16:01:00.161 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:01:00.161 INFO [stderr] 
Dec 19 16:01:00.161 INFO [stderr] warning: variant is never constructed: `Nickel`
Dec 19 16:01:00.161 INFO [stderr]   --> examples/match.rs:29:5
Dec 19 16:01:00.161 INFO [stderr]    |
Dec 19 16:01:00.161 INFO [stderr] 29 |     Nickel,
Dec 19 16:01:00.161 INFO [stderr]    |     ^^^^^^
Dec 19 16:01:00.161 INFO [stderr] 
Dec 19 16:01:00.161 INFO [stderr] warning: variant is never constructed: `Dime`
Dec 19 16:01:00.161 INFO [stderr]   --> examples/match.rs:30:5
Dec 19 16:01:00.161 INFO [stderr]    |
Dec 19 16:01:00.161 INFO [stderr] 30 |     Dime,
Dec 19 16:01:00.161 INFO [stderr]    |     ^^^^
Dec 19 16:01:00.161 INFO [stderr] 
Dec 19 16:01:00.364 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 16:01:00.364 INFO [stderr]  --> examples/mysql.rs:1:1
Dec 19 16:01:00.364 INFO [stderr]   |
Dec 19 16:01:00.364 INFO [stderr] 1 | #[macro_use]
Dec 19 16:01:00.364 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 16:01:00.364 INFO [stderr]   |
Dec 19 16:01:00.364 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:01:00.364 INFO [stderr] 
Dec 19 16:01:00.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.19s
Dec 19 16:01:00.737 INFO running `"docker" "inspect" "bf507e577497616ee3166fc29f2ad499990aa13de8189bd9a7af31cfdbe43597"`
Dec 19 16:01:00.892 INFO running `"docker" "rm" "-f" "bf507e577497616ee3166fc29f2ad499990aa13de8189bd9a7af31cfdbe43597"`
Dec 19 16:01:01.136 INFO [stdout] bf507e577497616ee3166fc29f2ad499990aa13de8189bd9a7af31cfdbe43597