Oct 13 11:22:07.697 INFO checking off_blockway-0.0.8 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:22:07.697 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-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"`
Oct 13 11:22:08.278 INFO blam! 05b355fa021938ee108f40c291e1e11847bd9221c74edc9fbb006d9d2dd3c04b
Oct 13 11:22:08.279 INFO running `"docker" "start" "-a" "05b355fa021938ee108f40c291e1e11847bd9221c74edc9fbb006d9d2dd3c04b"`
Oct 13 11:22:09.607 INFO kablam! usermod: no changes
Oct 13 11:22:09.732 INFO kablam!     Checking sha3 v0.6.0
Oct 13 11:22:10.556 INFO kablam!     Checking off_blockway v0.0.8 (/source)
Oct 13 11:22:12.696 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 11:22:12.696 INFO kablam!    --> src/block.rs:140:13
Oct 13 11:22:12.696 INFO kablam!     |
Oct 13 11:22:12.696 INFO kablam! 140 |         Ok( ( json ) )
Oct 13 11:22:12.696 INFO kablam!     |             ^^^^^^^^ help: remove these parentheses
Oct 13 11:22:12.696 INFO kablam!     |
Oct 13 11:22:12.696 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 11:22:12.696 INFO kablam! 
Oct 13 11:22:12.696 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 11:22:12.696 INFO kablam!    --> src/merkle.rs:516:13
Oct 13 11:22:12.696 INFO kablam!     |
Oct 13 11:22:12.696 INFO kablam! 516 |         Ok( ( json ) )
Oct 13 11:22:12.696 INFO kablam!     |             ^^^^^^^^ help: remove these parentheses
Oct 13 11:22:12.696 INFO kablam! 
Oct 13 11:22:13.404 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 11:22:13.404 INFO kablam!    --> src/block.rs:140:13
Oct 13 11:22:13.404 INFO kablam!     |
Oct 13 11:22:13.404 INFO kablam! 140 |         Ok( ( json ) )
Oct 13 11:22:13.404 INFO kablam!     |             ^^^^^^^^ help: remove these parentheses
Oct 13 11:22:13.404 INFO kablam!     |
Oct 13 11:22:13.404 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 11:22:13.404 INFO kablam! 
Oct 13 11:22:13.404 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 11:22:13.404 INFO kablam!    --> src/merkle.rs:516:13
Oct 13 11:22:13.404 INFO kablam!     |
Oct 13 11:22:13.404 INFO kablam! 516 |         Ok( ( json ) )
Oct 13 11:22:13.404 INFO kablam!     |             ^^^^^^^^ help: remove these parentheses
Oct 13 11:22:13.404 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `value`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:100:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 100 |         let value: u8 = 9;
Oct 13 11:22:14.161 INFO kablam!     |             ^^^^^ help: consider using `_value` instead
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `left_value`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:122:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 122 |         let left_value: u8 = 0;
Oct 13 11:22:14.161 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_left_value` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `right_value`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:123:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 123 |         let right_value: u8 = 1;
Oct 13 11:22:14.161 INFO kablam!     |             ^^^^^^^^^^^ help: consider using `_right_value` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `status`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:212:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 212 |         let status = Command::new( "rm" ).args( &[ "-rf", "testing-block.json" ]
Oct 13 11:22:14.161 INFO kablam!     |             ^^^^^^ help: consider using `_status` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `json_block`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:219:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 219 |         let json_block = block::Block::read_and_construct( "testing-block.json" ).expect( "Did not convert json_block" );
Oct 13 11:22:14.161 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_json_block` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:374:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 374 |         for i in 0 .. 16 
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:423:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 423 |         for i in 0 .. 8 
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:444:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 444 |         for i in 0 .. 8
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:465:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 465 |         for i in 0 .. 8 
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:496:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 496 |         for i in 0 .. 8 
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:529:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 529 |         for i in 0 .. 8
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `i`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:569:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 569 |         for i in 0 .. 8
Oct 13 11:22:14.161 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `status`
Oct 13 11:22:14.161 INFO kablam!    --> src/lib.rs:677:13
Oct 13 11:22:14.161 INFO kablam!     |
Oct 13 11:22:14.161 INFO kablam! 677 |         let status = Command::new( "rm" ).args( &[ "-rf", "testing-merkle.json" ]
Oct 13 11:22:14.161 INFO kablam!     |             ^^^^^^ help: consider using `_status` instead
Oct 13 11:22:14.161 INFO kablam! 
Oct 13 11:22:14.161 INFO kablam! warning: unused variable: `json_nodes`
Oct 13 11:22:14.162 INFO kablam!    --> src/lib.rs:686:13
Oct 13 11:22:14.162 INFO kablam!     |
Oct 13 11:22:14.162 INFO kablam! 686 |         let json_nodes = merkle::Merkle::read_and_construct( "testing-merkle.json" ).expect("Did not convert to json_nodes");
Oct 13 11:22:14.162 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_json_nodes` instead
Oct 13 11:22:14.162 INFO kablam! 
Oct 13 11:22:14.162 INFO kablam! warning: unused variable: `status`
Oct 13 11:22:14.162 INFO kablam!    --> src/lib.rs:785:13
Oct 13 11:22:14.162 INFO kablam!     |
Oct 13 11:22:14.162 INFO kablam! 785 |         let status = Command::new( "rm" ).args( &[ "-rf", "testing-chain.json" ] ).status().expect( "Process failed ");
Oct 13 11:22:14.162 INFO kablam!     |             ^^^^^^ help: consider using `_status` instead
Oct 13 11:22:14.162 INFO kablam! 
Oct 13 11:22:14.162 INFO kablam! warning: unused variable: `d_chain`
Oct 13 11:22:14.162 INFO kablam!    --> src/lib.rs:798:13
Oct 13 11:22:14.162 INFO kablam!     |
Oct 13 11:22:14.162 INFO kablam! 798 |         let d_chain = chain::Chain::read_and_construct( "testing-chain.json" ).expect("Did not convert to d_chain");
Oct 13 11:22:14.162 INFO kablam!     |             ^^^^^^^ help: consider using `_d_chain` instead
Oct 13 11:22:14.162 INFO kablam! 
Oct 13 11:22:14.162 INFO kablam! warning: unused variable: `status`
Oct 13 11:22:14.162 INFO kablam!    --> src/lib.rs:909:13
Oct 13 11:22:14.162 INFO kablam!     |
Oct 13 11:22:14.162 INFO kablam! 909 |         let status = Command::new( "rm" ).args( &[ "testing-write.json" ] ).status().expect( "Filed to delete the json files" );
Oct 13 11:22:14.162 INFO kablam!     |             ^^^^^^ help: consider using `_status` instead
Oct 13 11:22:14.162 INFO kablam! 
Oct 13 11:22:14.360 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.360 INFO kablam!    --> src/lib.rs:192:9
Oct 13 11:22:14.360 INFO kablam!     |
Oct 13 11:22:14.360 INFO kablam! 192 |         block.write_to( &file_name );
Oct 13 11:22:14.360 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.360 INFO kablam!     |
Oct 13 11:22:14.360 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 11:22:14.360 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.360 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:199:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 199 |         file.read_to_string( &mut json );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:217:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 217 |         block.write_to( "testing-block.json" );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:657:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 657 |         merkle.write_to( &file_name );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:664:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 664 |         file.read_to_string( &mut json );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:684:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 684 |         merkle.write_to( "testing-merkle.json" );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:766:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 766 |         chain.write_to( "testing-chain.json" );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:772:9
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam! 772 |         file.read_to_string( &mut string );
Oct 13 11:22:14.361 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.361 INFO kablam!     |
Oct 13 11:22:14.361 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.361 INFO kablam! 
Oct 13 11:22:14.361 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.361 INFO kablam!    --> src/lib.rs:796:9
Oct 13 11:22:14.362 INFO kablam!     |
Oct 13 11:22:14.362 INFO kablam! 796 |         chain.write_to( "testing-chain.json" );
Oct 13 11:22:14.362 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.362 INFO kablam!     |
Oct 13 11:22:14.362 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.362 INFO kablam! 
Oct 13 11:22:14.363 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.363 INFO kablam!    --> src/lib.rs:890:9
Oct 13 11:22:14.363 INFO kablam!     |
Oct 13 11:22:14.363 INFO kablam! 890 |         transaction.write_to( "testing-write.json" );
Oct 13 11:22:14.363 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.363 INFO kablam!     |
Oct 13 11:22:14.363 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.363 INFO kablam! 
Oct 13 11:22:14.363 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.363 INFO kablam!    --> src/lib.rs:896:9
Oct 13 11:22:14.363 INFO kablam!     |
Oct 13 11:22:14.363 INFO kablam! 896 |         file.read_to_string( &mut info );
Oct 13 11:22:14.363 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.363 INFO kablam!     |
Oct 13 11:22:14.363 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.363 INFO kablam! 
Oct 13 11:22:14.364 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 11:22:14.364 INFO kablam!    --> src/lib.rs:921:9
Oct 13 11:22:14.364 INFO kablam!     |
Oct 13 11:22:14.364 INFO kablam! 921 |         transaction.write_to( "testing-write.json" );
Oct 13 11:22:14.364 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 11:22:14.364 INFO kablam!     |
Oct 13 11:22:14.364 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 11:22:14.364 INFO kablam! 
Oct 13 11:22:16.016 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
Oct 13 11:22:16.026 INFO kablam! su: No module specific data is present
Oct 13 11:22:16.454 INFO running `"docker" "rm" "-f" "05b355fa021938ee108f40c291e1e11847bd9221c74edc9fbb006d9d2dd3c04b"`
Oct 13 11:22:16.592 INFO blam! 05b355fa021938ee108f40c291e1e11847bd9221c74edc9fbb006d9d2dd3c04b