Dec 13 17:20:20.940 INFO testing huangqian/rust-in-action against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 17:20:20.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 17:20:21.274 INFO [stdout] d721a74975ca34044bd204d1404f73e271f1a3fe97227b18aad6693216fac48d
Dec 13 17:20:21.275 INFO running `"docker" "start" "-a" "d721a74975ca34044bd204d1404f73e271f1a3fe97227b18aad6693216fac48d"`
Dec 13 17:20:22.245 INFO [stderr] usermod: no changes
Dec 13 17:20:22.435 INFO [stderr]    Compiling redis v0.9.1
Dec 13 17:20:22.436 INFO [stderr]    Compiling memchr v2.1.0
Dec 13 17:20:22.447 INFO [stderr]    Compiling tokio-reactor v0.1.5
Dec 13 17:20:25.170 INFO [stderr]    Compiling combine v3.5.2
Dec 13 17:20:26.005 INFO [stderr]    Compiling tokio-tcp v0.1.1
Dec 13 17:20:50.851 INFO [stderr]    Compiling rust-in-action v0.1.0 (/source)
Dec 13 17:20:51.333 INFO [stderr] warning: unused variable: `user1`
Dec 13 17:20:51.333 INFO [stderr]   --> src/main.rs:63:9
Dec 13 17:20:51.333 INFO [stderr]    |
Dec 13 17:20:51.333 INFO [stderr] 63 |     let user1 = User{
Dec 13 17:20:51.333 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 13 17:20:51.333 INFO [stderr]    |
Dec 13 17:20:51.333 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 17:20:51.333 INFO [stderr] 
Dec 13 17:20:51.338 INFO [stderr] warning: struct is never constructed: `User`
Dec 13 17:20:51.338 INFO [stderr]   --> src/main.rs:55:1
Dec 13 17:20:51.338 INFO [stderr]    |
Dec 13 17:20:51.338 INFO [stderr] 55 | struct User{
Dec 13 17:20:51.338 INFO [stderr]    | ^^^^^^^^^^^
Dec 13 17:20:51.338 INFO [stderr]    |
Dec 13 17:20:51.338 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:20:51.338 INFO [stderr] 
Dec 13 17:20:51.338 INFO [stderr] warning: function is never used: `struct_example`
Dec 13 17:20:51.338 INFO [stderr]   --> src/main.rs:62:1
Dec 13 17:20:51.338 INFO [stderr]    |
Dec 13 17:20:51.338 INFO [stderr] 62 | fn struct_example(){
Dec 13 17:20:51.338 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 13 17:20:51.338 INFO [stderr] 
Dec 13 17:20:51.651 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.38s
Dec 13 17:20:51.658 INFO [stderr] su: No module specific data is present
Dec 13 17:20:51.940 INFO running `"docker" "inspect" "d721a74975ca34044bd204d1404f73e271f1a3fe97227b18aad6693216fac48d"`
Dec 13 17:20:52.035 INFO running `"docker" "rm" "-f" "d721a74975ca34044bd204d1404f73e271f1a3fe97227b18aad6693216fac48d"`
Dec 13 17:20:52.187 INFO [stdout] d721a74975ca34044bd204d1404f73e271f1a3fe97227b18aad6693216fac48d
Dec 13 17:20:52.195 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 17:20:52.601 INFO [stdout] fc73d5948a419685fb3c2ac43c5b02133ea24413e70f42b80aeb13b1e6a2c979
Dec 13 17:20:52.609 INFO running `"docker" "start" "-a" "fc73d5948a419685fb3c2ac43c5b02133ea24413e70f42b80aeb13b1e6a2c979"`
Dec 13 17:20:53.623 INFO [stderr] usermod: no changes
Dec 13 17:20:53.788 INFO [stderr]    Compiling rust-in-action v0.1.0 (/source)
Dec 13 17:20:54.461 INFO [stderr] warning: unused variable: `one`
Dec 13 17:20:54.461 INFO [stderr]   --> examples/match.rs:18:9
Dec 13 17:20:54.461 INFO [stderr]    |
Dec 13 17:20:54.461 INFO [stderr] 18 |     let one = increment(None);
Dec 13 17:20:54.461 INFO [stderr]    |         ^^^ help: consider using `_one` instead
Dec 13 17:20:54.461 INFO [stderr]    |
Dec 13 17:20:54.461 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 17:20:54.461 INFO [stderr] 
Dec 13 17:20:54.461 INFO [stderr] warning: unused variable: `user1`
Dec 13 17:20:54.461 INFO [stderr]   --> src/main.rs:63:9
Dec 13 17:20:54.461 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr] 63 |     let user1 = User{
Dec 13 17:20:54.548 INFO [stderr]    |         ^^^^^ help: consider using `_user1` instead
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.548 INFO [stderr] warning: struct is never constructed: `User`
Dec 13 17:20:54.548 INFO [stderr]   --> src/main.rs:55:1
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr] 55 | struct User{
Dec 13 17:20:54.548 INFO [stderr]    | ^^^^^^^^^^^
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.548 INFO [stderr] warning: function is never used: `struct_example`
Dec 13 17:20:54.548 INFO [stderr]   --> src/main.rs:62:1
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr] 62 | fn struct_example(){
Dec 13 17:20:54.548 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.548 INFO [stderr] warning: variant is never constructed: `Alabama`
Dec 13 17:20:54.548 INFO [stderr]   --> examples/match.rs:23:5
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr] 23 |     Alabama,
Dec 13 17:20:54.548 INFO [stderr]    |     ^^^^^^^
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.548 INFO [stderr] warning: variant is never constructed: `Nickel`
Dec 13 17:20:54.548 INFO [stderr]   --> examples/match.rs:29:5
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr] 29 |     Nickel,
Dec 13 17:20:54.548 INFO [stderr]    |     ^^^^^^
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.548 INFO [stderr] warning: variant is never constructed: `Dime`
Dec 13 17:20:54.548 INFO [stderr]   --> examples/match.rs:30:5
Dec 13 17:20:54.548 INFO [stderr]    |
Dec 13 17:20:54.548 INFO [stderr] 30 |     Dime,
Dec 13 17:20:54.548 INFO [stderr]    |     ^^^^
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.548 INFO [stderr] warning: unused variable: `s2`
Dec 13 17:20:54.548 INFO [stderr]  --> examples/ownership.rs:8:9
Dec 13 17:20:54.548 INFO [stderr]   |
Dec 13 17:20:54.548 INFO [stderr] 8 |     let s2 = s1;
Dec 13 17:20:54.548 INFO [stderr]   |         ^^ help: consider using `_s2` instead
Dec 13 17:20:54.548 INFO [stderr]   |
Dec 13 17:20:54.548 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 17:20:54.548 INFO [stderr] 
Dec 13 17:20:54.673 INFO [stderr] warning: enum is never used: `IpAddrKind`
Dec 13 17:20:54.674 INFO [stderr]  --> examples/enums.rs:7:1
Dec 13 17:20:54.674 INFO [stderr]   |
Dec 13 17:20:54.674 INFO [stderr] 7 | enum IpAddrKind{
Dec 13 17:20:54.674 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 13 17:20:54.674 INFO [stderr]   |
Dec 13 17:20:54.674 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 17:20:54.675 INFO [stderr] 
Dec 13 17:20:55.403 INFO [stderr] warning: function is never used: `while_case`
Dec 13 17:20:55.403 INFO [stderr]   --> examples/loop.rs:11:1
Dec 13 17:20:55.403 INFO [stderr]    |
Dec 13 17:20:55.403 INFO [stderr] 11 | fn while_case(){
Dec 13 17:20:55.403 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 13 17:20:55.403 INFO [stderr]    |
Dec 13 17:20:55.403 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:20:55.403 INFO [stderr] 
Dec 13 17:20:55.403 INFO [stderr] warning: function is never used: `while_demo_2`
Dec 13 17:20:55.403 INFO [stderr]   --> examples/loop.rs:20:1
Dec 13 17:20:55.403 INFO [stderr]    |
Dec 13 17:20:55.403 INFO [stderr] 20 | fn while_demo_2(){
Dec 13 17:20:55.403 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 17:20:55.403 INFO [stderr] 
Dec 13 17:20:55.549 INFO [stderr] warning: unused variable: `black`
Dec 13 17:20:55.549 INFO [stderr]   --> examples/structs.rs:41:9
Dec 13 17:20:55.549 INFO [stderr]    |
Dec 13 17:20:55.549 INFO [stderr] 41 |     let black = Color(0, 0, 0);
Dec 13 17:20:55.549 INFO [stderr]    |         ^^^^^ help: consider using `_black` instead
Dec 13 17:20:55.549 INFO [stderr]    |
Dec 13 17:20:55.555 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 17:20:55.555 INFO [stderr] 
Dec 13 17:20:55.555 INFO [stderr] warning: unused variable: `origin`
Dec 13 17:20:55.555 INFO [stderr]   --> examples/structs.rs:42:9
Dec 13 17:20:55.555 INFO [stderr]    |
Dec 13 17:20:55.555 INFO [stderr] 42 |     let origin = Point(0, 0, 0);
Dec 13 17:20:55.555 INFO [stderr]    |         ^^^^^^ help: consider using `_origin` instead
Dec 13 17:20:55.555 INFO [stderr] 
Dec 13 17:20:55.555 INFO [stderr] warning: method is never used: `can_hold`
Dec 13 17:20:55.555 INFO [stderr]   --> examples/structs.rs:98:5
Dec 13 17:20:55.555 INFO [stderr]    |
Dec 13 17:20:55.555 INFO [stderr] 98 |     fn can_hold(&self, other: &Rectangle) -> bool{
Dec 13 17:20:55.555 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 17:20:55.555 INFO [stderr]    |
Dec 13 17:20:55.555 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 17:20:55.555 INFO [stderr] 
Dec 13 17:20:56.342 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
Dec 13 17:20:56.342 INFO [stderr] su: No module specific data is present
Dec 13 17:20:56.672 INFO running `"docker" "inspect" "fc73d5948a419685fb3c2ac43c5b02133ea24413e70f42b80aeb13b1e6a2c979"`
Dec 13 17:20:56.995 INFO running `"docker" "rm" "-f" "fc73d5948a419685fb3c2ac43c5b02133ea24413e70f42b80aeb13b1e6a2c979"`
Dec 13 17:20:57.363 INFO [stdout] fc73d5948a419685fb3c2ac43c5b02133ea24413e70f42b80aeb13b1e6a2c979
Dec 13 17:20:57.369 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 17:20:57.836 INFO [stdout] d5f39f7f27cac626e0819b6ad4b455ca64ea66a6df235b0fdf3c85d5eb38663b
Dec 13 17:20:57.838 INFO running `"docker" "start" "-a" "d5f39f7f27cac626e0819b6ad4b455ca64ea66a6df235b0fdf3c85d5eb38663b"`
Dec 13 17:20:59.093 INFO [stderr] usermod: no changes
Dec 13 17:20:59.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 13 17:20:59.295 INFO [stderr]      Running /target/debug/deps/rust_in_action-0b152d04c8599fe5
Dec 13 17:20:59.303 INFO [stderr]      Running /target/debug/deps/rust_in_action-d81ec2e12a0691ac
Dec 13 17:20:59.303 INFO [stdout] 
Dec 13 17:20:59.303 INFO [stdout] running 1 test
Dec 13 17:20:59.303 INFO [stdout] test tests::hello_test ... ok
Dec 13 17:20:59.303 INFO [stdout] 
Dec 13 17:20:59.303 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:20:59.303 INFO [stdout] 
Dec 13 17:20:59.311 INFO [stdout] 
Dec 13 17:20:59.311 INFO [stdout] running 0 tests
Dec 13 17:20:59.311 INFO [stdout] 
Dec 13 17:20:59.311 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:20:59.311 INFO [stdout] 
Dec 13 17:20:59.315 INFO [stderr]    Doc-tests rust-in-action
Dec 13 17:20:59.902 INFO [stdout] 
Dec 13 17:20:59.902 INFO [stdout] running 0 tests
Dec 13 17:20:59.902 INFO [stdout] 
Dec 13 17:20:59.902 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 17:20:59.902 INFO [stdout] 
Dec 13 17:20:59.909 INFO [stderr] su: No module specific data is present
Dec 13 17:21:00.375 INFO running `"docker" "inspect" "d5f39f7f27cac626e0819b6ad4b455ca64ea66a6df235b0fdf3c85d5eb38663b"`
Dec 13 17:21:00.549 INFO running `"docker" "rm" "-f" "d5f39f7f27cac626e0819b6ad4b455ca64ea66a6df235b0fdf3c85d5eb38663b"`
Dec 13 17:21:00.660 INFO [stdout] d5f39f7f27cac626e0819b6ad4b455ca64ea66a6df235b0fdf3c85d5eb38663b