Dec 02 02:23:07.748 INFO testing VitalyAnkh/learn_error_handling against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 02:23:07.748 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 02:23:08.300 INFO [stdout] 2cd52bdb40c46fb1813b632e0ff3e6f5b40cdeb573bd63f5c2ab673485447c51
Dec 02 02:23:08.304 INFO running `"docker" "start" "-a" "2cd52bdb40c46fb1813b632e0ff3e6f5b40cdeb573bd63f5c2ab673485447c51"`
Dec 02 02:23:08.900 INFO [stderr] usermod: no changes
Dec 02 02:23:08.954 INFO [stderr]    Compiling learn_error_handling v0.1.0 (/source)
Dec 02 02:23:09.276 INFO [stderr] warning: unused imports: `Cons`, `Nil`
Dec 02 02:23:09.276 INFO [stderr]  --> src/smart_pointer/rc.rs:7:18
Dec 02 02:23:09.276 INFO [stderr]   |
Dec 02 02:23:09.276 INFO [stderr] 7 | use self::List::{Cons,Nil};
Dec 02 02:23:09.276 INFO [stderr]   |                  ^^^^ ^^^
Dec 02 02:23:09.276 INFO [stderr]   |
Dec 02 02:23:09.276 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 02:23:09.276 INFO [stderr] 
Dec 02 02:23:09.297 INFO [stderr] warning: struct is never constructed: `Guess`
Dec 02 02:23:09.297 INFO [stderr]  --> src/read/mod.rs:5:1
Dec 02 02:23:09.297 INFO [stderr]   |
Dec 02 02:23:09.297 INFO [stderr] 5 | struct Guess {
Dec 02 02:23:09.297 INFO [stderr]   | ^^^^^^^^^^^^
Dec 02 02:23:09.297 INFO [stderr]   |
Dec 02 02:23:09.297 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 02:23:09.297 INFO [stderr] 
Dec 02 02:23:09.297 INFO [stderr] warning: method is never used: `new`
Dec 02 02:23:09.297 INFO [stderr]   --> src/read/mod.rs:10:5
Dec 02 02:23:09.297 INFO [stderr]    |
Dec 02 02:23:09.297 INFO [stderr] 10 |     fn new(value: u32) -> Guess {
Dec 02 02:23:09.297 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 02:23:09.297 INFO [stderr] 
Dec 02 02:23:09.297 INFO [stderr] warning: enum is never used: `List`
Dec 02 02:23:09.297 INFO [stderr]  --> src/smart_pointer/rc.rs:1:1
Dec 02 02:23:09.297 INFO [stderr]   |
Dec 02 02:23:09.297 INFO [stderr] 1 | enum List{
Dec 02 02:23:09.297 INFO [stderr]   | ^^^^^^^^^
Dec 02 02:23:09.297 INFO [stderr] 
Dec 02 02:23:09.297 INFO [stderr] warning: comparison is useless due to type limits
Dec 02 02:23:09.298 INFO [stderr]   --> src/read/mod.rs:11:12
Dec 02 02:23:09.298 INFO [stderr]    |
Dec 02 02:23:09.298 INFO [stderr] 11 |         if value < 0 || value > 100 {
Dec 02 02:23:09.298 INFO [stderr]    |            ^^^^^^^^^
Dec 02 02:23:09.298 INFO [stderr]    |
Dec 02 02:23:09.298 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 02 02:23:09.298 INFO [stderr] 
Dec 02 02:23:10.279 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 02 02:23:10.287 INFO [stderr] su: No module specific data is present
Dec 02 02:23:10.892 INFO running `"docker" "inspect" "2cd52bdb40c46fb1813b632e0ff3e6f5b40cdeb573bd63f5c2ab673485447c51"`
Dec 02 02:23:11.072 INFO running `"docker" "rm" "-f" "2cd52bdb40c46fb1813b632e0ff3e6f5b40cdeb573bd63f5c2ab673485447c51"`
Dec 02 02:23:11.235 INFO [stdout] 2cd52bdb40c46fb1813b632e0ff3e6f5b40cdeb573bd63f5c2ab673485447c51
Dec 02 02:23:11.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 02:23:11.610 INFO [stdout] 1d3c31d891ccb58b64f820531ac5c7a39a84e424bb1385834541f13830dd3d14
Dec 02 02:23:11.612 INFO running `"docker" "start" "-a" "1d3c31d891ccb58b64f820531ac5c7a39a84e424bb1385834541f13830dd3d14"`
Dec 02 02:23:12.073 INFO [stderr] usermod: no changes
Dec 02 02:23:12.115 INFO [stderr]    Compiling learn_error_handling v0.1.0 (/source)
Dec 02 02:23:12.655 INFO [stderr] warning: unused variable: `y`
Dec 02 02:23:12.655 INFO [stderr]   --> tests/integration_test.rs:11:9
Dec 02 02:23:12.655 INFO [stderr]    |
Dec 02 02:23:12.655 INFO [stderr] 11 |     let y =&a;
Dec 02 02:23:12.655 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 02 02:23:12.655 INFO [stderr]    |
Dec 02 02:23:12.655 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 02:23:12.655 INFO [stderr] 
Dec 02 02:23:12.655 INFO [stderr] warning: function is never used: `it_add_two`
Dec 02 02:23:12.655 INFO [stderr]  --> tests/integration_test.rs:5:1
Dec 02 02:23:12.655 INFO [stderr]   |
Dec 02 02:23:12.655 INFO [stderr] 5 | fn it_add_two(){
Dec 02 02:23:12.655 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 02 02:23:12.655 INFO [stderr]   |
Dec 02 02:23:12.655 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 02:23:12.655 INFO [stderr] 
Dec 02 02:23:12.655 INFO [stderr] warning: function is never used: `check_borrow_rules`
Dec 02 02:23:12.655 INFO [stderr]  --> tests/integration_test.rs:9:1
Dec 02 02:23:12.655 INFO [stderr]   |
Dec 02 02:23:12.655 INFO [stderr] 9 | fn check_borrow_rules(){
Dec 02 02:23:12.655 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 02:23:12.655 INFO [stderr] 
Dec 02 02:23:12.667 INFO [stderr] warning: unused variable: `b`
Dec 02 02:23:12.667 INFO [stderr]   --> src/smart_pointer/rc.rs:12:9
Dec 02 02:23:12.667 INFO [stderr]    |
Dec 02 02:23:12.667 INFO [stderr] 12 |     let b = Cons(2,Rc::clone(&a));
Dec 02 02:23:12.667 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 02 02:23:12.667 INFO [stderr]    |
Dec 02 02:23:12.667 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 02:23:12.667 INFO [stderr] 
Dec 02 02:23:12.667 INFO [stderr] warning: unused variable: `y`
Dec 02 02:23:12.667 INFO [stderr]  --> src/smart_pointer/ref_cell.rs:4:13
Dec 02 02:23:12.667 INFO [stderr]   |
Dec 02 02:23:12.667 INFO [stderr] 4 |     let mut y =&a;
Dec 02 02:23:12.667 INFO [stderr]   |             ^ help: consider using `_y` instead
Dec 02 02:23:12.667 INFO [stderr] 
Dec 02 02:23:12.681 INFO [stderr] warning: variable does not need to be mutable
Dec 02 02:23:12.681 INFO [stderr]  --> src/smart_pointer/ref_cell.rs:4:9
Dec 02 02:23:12.681 INFO [stderr]   |
Dec 02 02:23:12.681 INFO [stderr] 4 |     let mut y =&a;
Dec 02 02:23:12.681 INFO [stderr]   |         ----^
Dec 02 02:23:12.681 INFO [stderr]   |         |
Dec 02 02:23:12.681 INFO [stderr]   |         help: remove this `mut`
Dec 02 02:23:12.681 INFO [stderr]   |
Dec 02 02:23:12.681 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 02 02:23:12.681 INFO [stderr] 
Dec 02 02:23:12.681 INFO [stderr] warning: field is never used: `value`
Dec 02 02:23:12.681 INFO [stderr]  --> src/read/mod.rs:6:5
Dec 02 02:23:12.681 INFO [stderr]   |
Dec 02 02:23:12.681 INFO [stderr] 6 |     value: u32
Dec 02 02:23:12.681 INFO [stderr]   |     ^^^^^^^^^^
Dec 02 02:23:12.681 INFO [stderr]   |
Dec 02 02:23:12.681 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 02:23:12.681 INFO [stderr] 
Dec 02 02:23:12.681 INFO [stderr] warning: comparison is useless due to type limits
Dec 02 02:23:12.682 INFO [stderr]   --> src/read/mod.rs:11:12
Dec 02 02:23:12.682 INFO [stderr]    |
Dec 02 02:23:12.682 INFO [stderr] 11 |         if value < 0 || value > 100 {
Dec 02 02:23:12.682 INFO [stderr]    |            ^^^^^^^^^
Dec 02 02:23:12.687 INFO [stderr]    |
Dec 02 02:23:12.687 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 02 02:23:12.687 INFO [stderr] 
Dec 02 02:23:13.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 02 02:23:13.192 INFO [stderr] su: No module specific data is present
Dec 02 02:23:13.496 INFO running `"docker" "inspect" "1d3c31d891ccb58b64f820531ac5c7a39a84e424bb1385834541f13830dd3d14"`
Dec 02 02:23:13.580 INFO running `"docker" "rm" "-f" "1d3c31d891ccb58b64f820531ac5c7a39a84e424bb1385834541f13830dd3d14"`
Dec 02 02:23:13.638 INFO [stdout] 1d3c31d891ccb58b64f820531ac5c7a39a84e424bb1385834541f13830dd3d14
Dec 02 02:23:13.640 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 02:23:13.838 INFO [stdout] 9665ebc7f71b8bc6d7fcf147e2f63c40fcb819c6b8ad812f970c1635f0b4cfd9
Dec 02 02:23:13.840 INFO running `"docker" "start" "-a" "9665ebc7f71b8bc6d7fcf147e2f63c40fcb819c6b8ad812f970c1635f0b4cfd9"`
Dec 02 02:23:14.401 INFO [stderr] usermod: no changes
Dec 02 02:23:14.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 02 02:23:14.425 INFO [stderr]      Running /target/debug/deps/learn_error_handling-89ec465f1f9b87cc
Dec 02 02:23:14.427 INFO [stdout] 
Dec 02 02:23:14.427 INFO [stdout] running 3 tests
Dec 02 02:23:14.435 INFO [stdout] test smart_pointer::ref_cell::check_borrow_rules ... ok
Dec 02 02:23:14.435 INFO [stdout] test smart_pointer::rc::test_rc ... ok
Dec 02 02:23:14.451 INFO [stdout] test read::tests::greater_than_100 ... ok
Dec 02 02:23:14.451 INFO [stdout] 
Dec 02 02:23:14.451 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:23:14.451 INFO [stdout] 
Dec 02 02:23:14.451 INFO [stderr]      Running /target/debug/deps/learn_error_handling-4d6c5bb4188d4b6d
Dec 02 02:23:14.453 INFO [stdout] 
Dec 02 02:23:14.453 INFO [stdout] running 0 tests
Dec 02 02:23:14.453 INFO [stdout] 
Dec 02 02:23:14.453 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:23:14.453 INFO [stdout] 
Dec 02 02:23:14.454 INFO [stderr]      Running /target/debug/deps/integration_test-6704c8fbc45cbddf
Dec 02 02:23:14.456 INFO [stdout] 
Dec 02 02:23:14.456 INFO [stdout] running 0 tests
Dec 02 02:23:14.456 INFO [stdout] 
Dec 02 02:23:14.456 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:23:14.456 INFO [stdout] 
Dec 02 02:23:14.456 INFO [stderr]    Doc-tests learn_error_handling
Dec 02 02:23:15.147 INFO [stdout] 
Dec 02 02:23:15.147 INFO [stdout] running 0 tests
Dec 02 02:23:15.147 INFO [stdout] 
Dec 02 02:23:15.147 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:23:15.147 INFO [stdout] 
Dec 02 02:23:15.163 INFO [stderr] su: No module specific data is present
Dec 02 02:23:16.075 INFO running `"docker" "inspect" "9665ebc7f71b8bc6d7fcf147e2f63c40fcb819c6b8ad812f970c1635f0b4cfd9"`
Dec 02 02:23:16.399 INFO running `"docker" "rm" "-f" "9665ebc7f71b8bc6d7fcf147e2f63c40fcb819c6b8ad812f970c1635f0b4cfd9"`
Dec 02 02:23:16.651 INFO [stdout] 9665ebc7f71b8bc6d7fcf147e2f63c40fcb819c6b8ad812f970c1635f0b4cfd9
