Nov 17 10:54:12.957 INFO testing VitalyAnkh/learn_error_handling against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 10:54:12.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 10:54:13.128 INFO [stdout] a36a40ec68a603efde9d8097765927ac0ff25a14fb7d4b72c4e37b9bb5bbfa8b
Nov 17 10:54:13.128 INFO running `"docker" "start" "-a" "a36a40ec68a603efde9d8097765927ac0ff25a14fb7d4b72c4e37b9bb5bbfa8b"`
Nov 17 10:54:13.530 INFO [stderr] usermod: no changes
Nov 17 10:54:13.559 INFO [stderr]    Compiling learn_error_handling v0.1.0 (/source)
Nov 17 10:54:13.831 INFO [stderr] warning: unused imports: `Cons`, `Nil`
Nov 17 10:54:13.831 INFO [stderr]  --> src/smart_pointer/rc.rs:7:18
Nov 17 10:54:13.831 INFO [stderr]   |
Nov 17 10:54:13.831 INFO [stderr] 7 | use self::List::{Cons,Nil};
Nov 17 10:54:13.831 INFO [stderr]   |                  ^^^^ ^^^
Nov 17 10:54:13.831 INFO [stderr]   |
Nov 17 10:54:13.831 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 10:54:13.831 INFO [stderr] 
Nov 17 10:54:13.848 INFO [stderr] warning: struct is never constructed: `Guess`
Nov 17 10:54:13.848 INFO [stderr]  --> src/read/mod.rs:5:1
Nov 17 10:54:13.848 INFO [stderr]   |
Nov 17 10:54:13.848 INFO [stderr] 5 | struct Guess {
Nov 17 10:54:13.848 INFO [stderr]   | ^^^^^^^^^^^^
Nov 17 10:54:13.848 INFO [stderr]   |
Nov 17 10:54:13.849 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 10:54:13.849 INFO [stderr] 
Nov 17 10:54:13.849 INFO [stderr] warning: method is never used: `new`
Nov 17 10:54:13.849 INFO [stderr]   --> src/read/mod.rs:10:5
Nov 17 10:54:13.849 INFO [stderr]    |
Nov 17 10:54:13.849 INFO [stderr] 10 |     fn new(value: u32) -> Guess {
Nov 17 10:54:13.849 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:54:13.849 INFO [stderr] 
Nov 17 10:54:13.849 INFO [stderr] warning: enum is never used: `List`
Nov 17 10:54:13.849 INFO [stderr]  --> src/smart_pointer/rc.rs:1:1
Nov 17 10:54:13.849 INFO [stderr]   |
Nov 17 10:54:13.849 INFO [stderr] 1 | enum List{
Nov 17 10:54:13.849 INFO [stderr]   | ^^^^^^^^^
Nov 17 10:54:13.849 INFO [stderr] 
Nov 17 10:54:13.849 INFO [stderr] warning: comparison is useless due to type limits
Nov 17 10:54:13.849 INFO [stderr]   --> src/read/mod.rs:11:12
Nov 17 10:54:13.849 INFO [stderr]    |
Nov 17 10:54:13.849 INFO [stderr] 11 |         if value < 0 || value > 100 {
Nov 17 10:54:13.849 INFO [stderr]    |            ^^^^^^^^^
Nov 17 10:54:13.849 INFO [stderr]    |
Nov 17 10:54:13.849 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Nov 17 10:54:13.849 INFO [stderr] 
Nov 17 10:54:14.716 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 17 10:54:14.721 INFO [stderr] su: No module specific data is present
Nov 17 10:54:14.983 INFO running `"docker" "inspect" "a36a40ec68a603efde9d8097765927ac0ff25a14fb7d4b72c4e37b9bb5bbfa8b"`
Nov 17 10:54:15.064 INFO running `"docker" "rm" "-f" "a36a40ec68a603efde9d8097765927ac0ff25a14fb7d4b72c4e37b9bb5bbfa8b"`
Nov 17 10:54:15.159 INFO [stdout] a36a40ec68a603efde9d8097765927ac0ff25a14fb7d4b72c4e37b9bb5bbfa8b
Nov 17 10:54:15.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 10:54:15.397 INFO [stdout] 58f06b84d889ab2dc0eaf9cbe9333d225951ec4e43795cd3632786e12409455f
Nov 17 10:54:15.400 INFO running `"docker" "start" "-a" "58f06b84d889ab2dc0eaf9cbe9333d225951ec4e43795cd3632786e12409455f"`
Nov 17 10:54:15.852 INFO [stderr] usermod: no changes
Nov 17 10:54:15.884 INFO [stderr]    Compiling learn_error_handling v0.1.0 (/source)
Nov 17 10:54:16.271 INFO [stderr] warning: unused variable: `y`
Nov 17 10:54:16.271 INFO [stderr]   --> tests/integration_test.rs:11:9
Nov 17 10:54:16.271 INFO [stderr]    |
Nov 17 10:54:16.271 INFO [stderr] 11 |     let y =&a;
Nov 17 10:54:16.271 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 17 10:54:16.271 INFO [stderr]    |
Nov 17 10:54:16.271 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 10:54:16.271 INFO [stderr] 
Nov 17 10:54:16.274 INFO [stderr] warning: function is never used: `it_add_two`
Nov 17 10:54:16.274 INFO [stderr]  --> tests/integration_test.rs:5:1
Nov 17 10:54:16.274 INFO [stderr]   |
Nov 17 10:54:16.274 INFO [stderr] 5 | fn it_add_two(){
Nov 17 10:54:16.274 INFO [stderr]   | ^^^^^^^^^^^^^^^
Nov 17 10:54:16.274 INFO [stderr]   |
Nov 17 10:54:16.275 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 10:54:16.275 INFO [stderr] 
Nov 17 10:54:16.275 INFO [stderr] warning: function is never used: `check_borrow_rules`
Nov 17 10:54:16.275 INFO [stderr]  --> tests/integration_test.rs:9:1
Nov 17 10:54:16.275 INFO [stderr]   |
Nov 17 10:54:16.275 INFO [stderr] 9 | fn check_borrow_rules(){
Nov 17 10:54:16.275 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:54:16.275 INFO [stderr] 
Nov 17 10:54:16.392 INFO [stderr] warning: unused variable: `b`
Nov 17 10:54:16.392 INFO [stderr]   --> src/smart_pointer/rc.rs:12:9
Nov 17 10:54:16.392 INFO [stderr]    |
Nov 17 10:54:16.392 INFO [stderr] 12 |     let b = Cons(2,Rc::clone(&a));
Nov 17 10:54:16.392 INFO [stderr]    |         ^ help: consider using `_b` instead
Nov 17 10:54:16.392 INFO [stderr]    |
Nov 17 10:54:16.392 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 10:54:16.392 INFO [stderr] 
Nov 17 10:54:16.392 INFO [stderr] warning: unused variable: `y`
Nov 17 10:54:16.392 INFO [stderr]  --> src/smart_pointer/ref_cell.rs:4:13
Nov 17 10:54:16.392 INFO [stderr]   |
Nov 17 10:54:16.392 INFO [stderr] 4 |     let mut y =&a;
Nov 17 10:54:16.392 INFO [stderr]   |             ^ help: consider using `_y` instead
Nov 17 10:54:16.392 INFO [stderr] 
Nov 17 10:54:16.400 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:54:16.400 INFO [stderr]  --> src/smart_pointer/ref_cell.rs:4:9
Nov 17 10:54:16.400 INFO [stderr]   |
Nov 17 10:54:16.400 INFO [stderr] 4 |     let mut y =&a;
Nov 17 10:54:16.400 INFO [stderr]   |         ----^
Nov 17 10:54:16.400 INFO [stderr]   |         |
Nov 17 10:54:16.400 INFO [stderr]   |         help: remove this `mut`
Nov 17 10:54:16.400 INFO [stderr]   |
Nov 17 10:54:16.400 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 17 10:54:16.400 INFO [stderr] 
Nov 17 10:54:16.401 INFO [stderr] warning: field is never used: `value`
Nov 17 10:54:16.401 INFO [stderr]  --> src/read/mod.rs:6:5
Nov 17 10:54:16.401 INFO [stderr]   |
Nov 17 10:54:16.401 INFO [stderr] 6 |     value: u32
Nov 17 10:54:16.401 INFO [stderr]   |     ^^^^^^^^^^
Nov 17 10:54:16.401 INFO [stderr]   |
Nov 17 10:54:16.401 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 10:54:16.401 INFO [stderr] 
Nov 17 10:54:16.403 INFO [stderr] warning: comparison is useless due to type limits
Nov 17 10:54:16.403 INFO [stderr]   --> src/read/mod.rs:11:12
Nov 17 10:54:16.403 INFO [stderr]    |
Nov 17 10:54:16.403 INFO [stderr] 11 |         if value < 0 || value > 100 {
Nov 17 10:54:16.403 INFO [stderr]    |            ^^^^^^^^^
Nov 17 10:54:16.403 INFO [stderr]    |
Nov 17 10:54:16.403 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Nov 17 10:54:16.403 INFO [stderr] 
Nov 17 10:54:16.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Nov 17 10:54:16.771 INFO [stderr] su: No module specific data is present
Nov 17 10:54:17.039 INFO running `"docker" "inspect" "58f06b84d889ab2dc0eaf9cbe9333d225951ec4e43795cd3632786e12409455f"`
Nov 17 10:54:17.116 INFO running `"docker" "rm" "-f" "58f06b84d889ab2dc0eaf9cbe9333d225951ec4e43795cd3632786e12409455f"`
Nov 17 10:54:17.225 INFO [stdout] 58f06b84d889ab2dc0eaf9cbe9333d225951ec4e43795cd3632786e12409455f
Nov 17 10:54:17.227 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 10:54:17.443 INFO [stdout] d79be884b3ec21eb6a3e66cada8a61d60f554f01b281258f14f1ee78b18b00ea
Nov 17 10:54:17.445 INFO running `"docker" "start" "-a" "d79be884b3ec21eb6a3e66cada8a61d60f554f01b281258f14f1ee78b18b00ea"`
Nov 17 10:54:17.795 INFO [stderr] usermod: no changes
Nov 17 10:54:17.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 10:54:17.829 INFO [stderr]      Running /target/debug/deps/learn_error_handling-68df1ed6d1301872
Nov 17 10:54:17.831 INFO [stdout] 
Nov 17 10:54:17.831 INFO [stdout] running 3 tests
Nov 17 10:54:17.831 INFO [stdout] test smart_pointer::ref_cell::check_borrow_rules ... ok
Nov 17 10:54:17.831 INFO [stdout] test smart_pointer::rc::test_rc ... ok
Nov 17 10:54:17.872 INFO [stdout] test read::tests::greater_than_100 ... ok
Nov 17 10:54:17.872 INFO [stdout] 
Nov 17 10:54:17.872 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 10:54:17.872 INFO [stdout] 
Nov 17 10:54:17.873 INFO [stderr]      Running /target/debug/deps/learn_error_handling-cca46ea8aee17359
Nov 17 10:54:17.876 INFO [stderr]      Running /target/debug/deps/integration_test-0a323396df209f6b
Nov 17 10:54:17.877 INFO [stdout] 
Nov 17 10:54:17.877 INFO [stdout] running 0 tests
Nov 17 10:54:17.877 INFO [stdout] 
Nov 17 10:54:17.877 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 10:54:17.877 INFO [stdout] 
Nov 17 10:54:17.877 INFO [stdout] 
Nov 17 10:54:17.877 INFO [stdout] running 0 tests
Nov 17 10:54:17.877 INFO [stdout] 
Nov 17 10:54:17.877 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 10:54:17.877 INFO [stdout] 
Nov 17 10:54:17.878 INFO [stderr]    Doc-tests learn_error_handling
Nov 17 10:54:18.373 INFO [stdout] 
Nov 17 10:54:18.373 INFO [stdout] running 0 tests
Nov 17 10:54:18.373 INFO [stdout] 
Nov 17 10:54:18.373 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 10:54:18.373 INFO [stdout] 
Nov 17 10:54:18.383 INFO [stderr] su: No module specific data is present
Nov 17 10:54:19.059 INFO running `"docker" "inspect" "d79be884b3ec21eb6a3e66cada8a61d60f554f01b281258f14f1ee78b18b00ea"`
Nov 17 10:54:19.297 INFO running `"docker" "rm" "-f" "d79be884b3ec21eb6a3e66cada8a61d60f554f01b281258f14f1ee78b18b00ea"`
Nov 17 10:54:19.543 INFO [stdout] d79be884b3ec21eb6a3e66cada8a61d60f554f01b281258f14f1ee78b18b00ea