Dec 06 08:41:19.337 INFO testing VitalyAnkh/learn_error_handling against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 08:41:19.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:41:19.884 INFO [stdout] 71db3255ef2f9c21ec36efbe0563a26f75b6d628782c8566fb10be735dba1b4e
Dec 06 08:41:19.886 INFO running `"docker" "start" "-a" "71db3255ef2f9c21ec36efbe0563a26f75b6d628782c8566fb10be735dba1b4e"`
Dec 06 08:41:21.657 INFO [stderr] usermod: no changes
Dec 06 08:41:21.704 INFO [stderr]    Compiling learn_error_handling v0.1.0 (/source)
Dec 06 08:41:22.064 INFO [stderr] warning: unused imports: `Cons`, `Nil`
Dec 06 08:41:22.064 INFO [stderr]  --> src/smart_pointer/rc.rs:7:18
Dec 06 08:41:22.064 INFO [stderr]   |
Dec 06 08:41:22.064 INFO [stderr] 7 | use self::List::{Cons,Nil};
Dec 06 08:41:22.064 INFO [stderr]   |                  ^^^^ ^^^
Dec 06 08:41:22.064 INFO [stderr]   |
Dec 06 08:41:22.064 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:41:22.064 INFO [stderr] 
Dec 06 08:41:22.084 INFO [stderr] warning: struct is never constructed: `Guess`
Dec 06 08:41:22.084 INFO [stderr]  --> src/read/mod.rs:5:1
Dec 06 08:41:22.084 INFO [stderr]   |
Dec 06 08:41:22.084 INFO [stderr] 5 | struct Guess {
Dec 06 08:41:22.084 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 08:41:22.084 INFO [stderr]   |
Dec 06 08:41:22.084 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 08:41:22.084 INFO [stderr] 
Dec 06 08:41:22.084 INFO [stderr] warning: method is never used: `new`
Dec 06 08:41:22.084 INFO [stderr]   --> src/read/mod.rs:10:5
Dec 06 08:41:22.084 INFO [stderr]    |
Dec 06 08:41:22.084 INFO [stderr] 10 |     fn new(value: u32) -> Guess {
Dec 06 08:41:22.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:41:22.084 INFO [stderr] 
Dec 06 08:41:22.084 INFO [stderr] warning: enum is never used: `List`
Dec 06 08:41:22.084 INFO [stderr]  --> src/smart_pointer/rc.rs:1:1
Dec 06 08:41:22.084 INFO [stderr]   |
Dec 06 08:41:22.084 INFO [stderr] 1 | enum List{
Dec 06 08:41:22.084 INFO [stderr]   | ^^^^^^^^^
Dec 06 08:41:22.084 INFO [stderr] 
Dec 06 08:41:22.084 INFO [stderr] warning: comparison is useless due to type limits
Dec 06 08:41:22.084 INFO [stderr]   --> src/read/mod.rs:11:12
Dec 06 08:41:22.084 INFO [stderr]    |
Dec 06 08:41:22.084 INFO [stderr] 11 |         if value < 0 || value > 100 {
Dec 06 08:41:22.084 INFO [stderr]    |            ^^^^^^^^^
Dec 06 08:41:22.084 INFO [stderr]    |
Dec 06 08:41:22.084 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 06 08:41:22.084 INFO [stderr] 
Dec 06 08:41:23.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Dec 06 08:41:23.167 INFO [stderr] su: No module specific data is present
Dec 06 08:41:24.088 INFO running `"docker" "inspect" "71db3255ef2f9c21ec36efbe0563a26f75b6d628782c8566fb10be735dba1b4e"`
Dec 06 08:41:24.374 INFO running `"docker" "rm" "-f" "71db3255ef2f9c21ec36efbe0563a26f75b6d628782c8566fb10be735dba1b4e"`
Dec 06 08:41:24.644 INFO [stdout] 71db3255ef2f9c21ec36efbe0563a26f75b6d628782c8566fb10be735dba1b4e
Dec 06 08:41:24.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:41:25.132 INFO [stdout] e7d78744775b1c42aa0c34a6f47e3af8a536dfbf7c4f31ac6cacd329962c991f
Dec 06 08:41:25.134 INFO running `"docker" "start" "-a" "e7d78744775b1c42aa0c34a6f47e3af8a536dfbf7c4f31ac6cacd329962c991f"`
Dec 06 08:41:26.110 INFO [stderr] usermod: no changes
Dec 06 08:41:26.199 INFO [stderr]    Compiling learn_error_handling v0.1.0 (/source)
Dec 06 08:41:26.776 INFO [stderr] warning: unused variable: `y`
Dec 06 08:41:26.776 INFO [stderr]   --> tests/integration_test.rs:11:9
Dec 06 08:41:26.776 INFO [stderr]    |
Dec 06 08:41:26.776 INFO [stderr] 11 |     let y =&a;
Dec 06 08:41:26.776 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 06 08:41:26.776 INFO [stderr]    |
Dec 06 08:41:26.776 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:41:26.776 INFO [stderr] 
Dec 06 08:41:26.780 INFO [stderr] warning: function is never used: `it_add_two`
Dec 06 08:41:26.780 INFO [stderr]  --> tests/integration_test.rs:5:1
Dec 06 08:41:26.780 INFO [stderr]   |
Dec 06 08:41:26.780 INFO [stderr] 5 | fn it_add_two(){
Dec 06 08:41:26.780 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 06 08:41:26.780 INFO [stderr]   |
Dec 06 08:41:26.780 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 08:41:26.780 INFO [stderr] 
Dec 06 08:41:26.780 INFO [stderr] warning: function is never used: `check_borrow_rules`
Dec 06 08:41:26.780 INFO [stderr]  --> tests/integration_test.rs:9:1
Dec 06 08:41:26.780 INFO [stderr]   |
Dec 06 08:41:26.780 INFO [stderr] 9 | fn check_borrow_rules(){
Dec 06 08:41:26.780 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:41:26.780 INFO [stderr] 
Dec 06 08:41:27.148 INFO [stderr] warning: unused variable: `b`
Dec 06 08:41:27.148 INFO [stderr]   --> src/smart_pointer/rc.rs:12:9
Dec 06 08:41:27.148 INFO [stderr]    |
Dec 06 08:41:27.148 INFO [stderr] 12 |     let b = Cons(2,Rc::clone(&a));
Dec 06 08:41:27.148 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 06 08:41:27.148 INFO [stderr]    |
Dec 06 08:41:27.148 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 08:41:27.148 INFO [stderr] 
Dec 06 08:41:27.148 INFO [stderr] warning: unused variable: `y`
Dec 06 08:41:27.148 INFO [stderr]  --> src/smart_pointer/ref_cell.rs:4:13
Dec 06 08:41:27.148 INFO [stderr]   |
Dec 06 08:41:27.148 INFO [stderr] 4 |     let mut y =&a;
Dec 06 08:41:27.148 INFO [stderr]   |             ^ help: consider using `_y` instead
Dec 06 08:41:27.148 INFO [stderr] 
Dec 06 08:41:27.176 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:41:27.176 INFO [stderr]  --> src/smart_pointer/ref_cell.rs:4:9
Dec 06 08:41:27.176 INFO [stderr]   |
Dec 06 08:41:27.176 INFO [stderr] 4 |     let mut y =&a;
Dec 06 08:41:27.176 INFO [stderr]   |         ----^
Dec 06 08:41:27.176 INFO [stderr]   |         |
Dec 06 08:41:27.176 INFO [stderr]   |         help: remove this `mut`
Dec 06 08:41:27.176 INFO [stderr]   |
Dec 06 08:41:27.176 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 06 08:41:27.176 INFO [stderr] 
Dec 06 08:41:27.176 INFO [stderr] warning: field is never used: `value`
Dec 06 08:41:27.176 INFO [stderr]  --> src/read/mod.rs:6:5
Dec 06 08:41:27.176 INFO [stderr]   |
Dec 06 08:41:27.176 INFO [stderr] 6 |     value: u32
Dec 06 08:41:27.176 INFO [stderr]   |     ^^^^^^^^^^
Dec 06 08:41:27.176 INFO [stderr]   |
Dec 06 08:41:27.176 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 08:41:27.176 INFO [stderr] 
Dec 06 08:41:27.176 INFO [stderr] warning: comparison is useless due to type limits
Dec 06 08:41:27.176 INFO [stderr]   --> src/read/mod.rs:11:12
Dec 06 08:41:27.176 INFO [stderr]    |
Dec 06 08:41:27.177 INFO [stderr] 11 |         if value < 0 || value > 100 {
Dec 06 08:41:27.177 INFO [stderr]    |            ^^^^^^^^^
Dec 06 08:41:27.177 INFO [stderr]    |
Dec 06 08:41:27.177 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 06 08:41:27.177 INFO [stderr] 
Dec 06 08:41:27.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Dec 06 08:41:27.901 INFO [stderr] su: No module specific data is present
Dec 06 08:41:28.532 INFO running `"docker" "inspect" "e7d78744775b1c42aa0c34a6f47e3af8a536dfbf7c4f31ac6cacd329962c991f"`
Dec 06 08:41:28.742 INFO running `"docker" "rm" "-f" "e7d78744775b1c42aa0c34a6f47e3af8a536dfbf7c4f31ac6cacd329962c991f"`
Dec 06 08:41:28.940 INFO [stdout] e7d78744775b1c42aa0c34a6f47e3af8a536dfbf7c4f31ac6cacd329962c991f
Dec 06 08:41:28.944 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 08:41:29.396 INFO [stdout] 362362e17aadbebc0a878d5b0f499629ff8f410456c409daa135d81570342806
Dec 06 08:41:29.402 INFO running `"docker" "start" "-a" "362362e17aadbebc0a878d5b0f499629ff8f410456c409daa135d81570342806"`
Dec 06 08:41:30.672 INFO [stderr] usermod: no changes
Dec 06 08:41:30.732 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 08:41:30.733 INFO [stderr]      Running /target/debug/deps/learn_error_handling-db74463de5122198
Dec 06 08:41:30.742 INFO [stdout] 
Dec 06 08:41:30.742 INFO [stdout] running 3 tests
Dec 06 08:41:30.748 INFO [stdout] test smart_pointer::ref_cell::check_borrow_rules ... ok
Dec 06 08:41:30.760 INFO [stdout] test smart_pointer::rc::test_rc ... ok
Dec 06 08:41:30.811 INFO [stdout] test read::tests::greater_than_100 ... ok
Dec 06 08:41:30.811 INFO [stdout] 
Dec 06 08:41:30.811 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:41:30.811 INFO [stdout] 
Dec 06 08:41:30.816 INFO [stdout] 
Dec 06 08:41:30.816 INFO [stderr]      Running /target/debug/deps/learn_error_handling-1ed3b945d9156069
Dec 06 08:41:30.816 INFO [stdout] running 0 tests
Dec 06 08:41:30.816 INFO [stderr]      Running /target/debug/deps/integration_test-6f9d4593ae94c646
Dec 06 08:41:30.816 INFO [stdout] 
Dec 06 08:41:30.816 INFO [stderr]    Doc-tests learn_error_handling
Dec 06 08:41:30.816 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:41:30.816 INFO [stdout] 
Dec 06 08:41:30.816 INFO [stdout] 
Dec 06 08:41:30.816 INFO [stdout] running 0 tests
Dec 06 08:41:30.816 INFO [stdout] 
Dec 06 08:41:30.816 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:41:30.816 INFO [stdout] 
Dec 06 08:41:31.384 INFO [stdout] 
Dec 06 08:41:31.384 INFO [stdout] running 0 tests
Dec 06 08:41:31.384 INFO [stdout] 
Dec 06 08:41:31.384 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:41:31.384 INFO [stdout] 
Dec 06 08:41:31.392 INFO [stderr] su: No module specific data is present
Dec 06 08:41:31.856 INFO running `"docker" "inspect" "362362e17aadbebc0a878d5b0f499629ff8f410456c409daa135d81570342806"`
Dec 06 08:41:32.134 INFO running `"docker" "rm" "-f" "362362e17aadbebc0a878d5b0f499629ff8f410456c409daa135d81570342806"`
Dec 06 08:41:32.363 INFO [stdout] 362362e17aadbebc0a878d5b0f499629ff8f410456c409daa135d81570342806