Nov 06 10:47:32.531 INFO checking yagince/programming-rust against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 10:47:32.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-0/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 10:47:32.984 INFO blam! f29e6b05b0d8dc0e44d3de8087934bb43a01bd10ebd6a3486acae78c95ef7849
Nov 06 10:47:32.987 INFO running `"docker" "start" "-a" "f29e6b05b0d8dc0e44d3de8087934bb43a01bd10ebd6a3486acae78c95ef7849"`
Nov 06 10:47:35.544 INFO kablam! usermod: no changes
Nov 06 10:47:35.622 INFO kablam!     Checking samples v0.1.0 (/source)
Nov 06 10:47:36.410 INFO kablam! warning: unused import: `std::io::Result`
Nov 06 10:47:36.410 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Nov 06 10:47:36.410 INFO kablam!   |
Nov 06 10:47:36.410 INFO kablam! 2 | use std::io::Result;
Nov 06 10:47:36.410 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 06 10:47:36.428 INFO kablam!   |
Nov 06 10:47:36.429 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 10:47:36.429 INFO kablam! 
Nov 06 10:47:36.736 INFO kablam! warning: unused variable: `t`
Nov 06 10:47:36.736 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Nov 06 10:47:36.736 INFO kablam!   |
Nov 06 10:47:36.736 INFO kablam! 9 |     let t = s.clone(); // cloneすると参照カウントがインクリメントされるが実際はコピーされない
Nov 06 10:47:36.736 INFO kablam!   |         ^ help: consider using `_t` instead
Nov 06 10:47:36.738 INFO kablam!   |
Nov 06 10:47:36.738 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 06 10:47:36.738 INFO kablam! 
Nov 06 10:47:36.738 INFO kablam! warning: unused variable: `u`
Nov 06 10:47:36.738 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Nov 06 10:47:36.738 INFO kablam!    |
Nov 06 10:47:36.738 INFO kablam! 10 |     let u = s.clone();
Nov 06 10:47:36.738 INFO kablam!    |         ^ help: consider using `_u` instead
Nov 06 10:47:36.738 INFO kablam! 
Nov 06 10:47:36.788 INFO kablam! warning: variable does not need to be mutable
Nov 06 10:47:36.796 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Nov 06 10:47:36.796 INFO kablam!   |
Nov 06 10:47:36.796 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Nov 06 10:47:36.796 INFO kablam!   |         ----^
Nov 06 10:47:36.796 INFO kablam!   |         |
Nov 06 10:47:36.796 INFO kablam!   |         help: remove this `mut`
Nov 06 10:47:36.796 INFO kablam!   |
Nov 06 10:47:36.796 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 06 10:47:36.796 INFO kablam! 
Nov 06 10:47:37.472 INFO kablam! warning: unused variable: `a_2`
Nov 06 10:47:37.473 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Nov 06 10:47:37.473 INFO kablam!   |
Nov 06 10:47:37.473 INFO kablam! 6 |     let a_2 = a;
Nov 06 10:47:37.474 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Nov 06 10:47:37.474 INFO kablam!   |
Nov 06 10:47:37.474 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 06 10:47:37.475 INFO kablam! 
Nov 06 10:47:38.064 INFO kablam! warning: unused variable: `aside`
Nov 06 10:47:38.064 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 06 10:47:38.064 INFO kablam!    |
Nov 06 10:47:38.064 INFO kablam! 11 |     let aside = v;
Nov 06 10:47:38.064 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Nov 06 10:47:38.064 INFO kablam!    |
Nov 06 10:47:38.064 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 10:47:38.064 INFO kablam! 
Nov 06 10:47:38.064 INFO kablam! warning: unused variable: `r1`
Nov 06 10:47:38.064 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 06 10:47:38.064 INFO kablam!    |
Nov 06 10:47:38.064 INFO kablam! 28 |     let r1 = &mut r.1; // 可変参照から可変参照の再借用は出来る
Nov 06 10:47:38.064 INFO kablam!    |         ^^ help: consider using `_r1` instead
Nov 06 10:47:38.064 INFO kablam! 
Nov 06 10:47:38.121 INFO kablam! warning: unused variable: `a_2`
Nov 06 10:47:38.122 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Nov 06 10:47:38.122 INFO kablam!   |
Nov 06 10:47:38.122 INFO kablam! 6 |     let a_2 = a;
Nov 06 10:47:38.123 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Nov 06 10:47:38.123 INFO kablam!   |
Nov 06 10:47:38.123 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 06 10:47:38.124 INFO kablam! 
Nov 06 10:47:38.493 INFO kablam! warning: unused variable: `aside`
Nov 06 10:47:38.493 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 06 10:47:38.493 INFO kablam!    |
Nov 06 10:47:38.493 INFO kablam! 11 |     let aside = v;
Nov 06 10:47:38.493 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Nov 06 10:47:38.493 INFO kablam!    |
Nov 06 10:47:38.494 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 10:47:38.494 INFO kablam! 
Nov 06 10:47:38.494 INFO kablam! warning: unused variable: `r1`
Nov 06 10:47:38.494 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 06 10:47:38.494 INFO kablam!    |
Nov 06 10:47:38.495 INFO kablam! 28 |     let r1 = &mut r.1; // 可変参照から可変参照の再借用は出来る
Nov 06 10:47:38.495 INFO kablam!    |         ^^ help: consider using `_r1` instead
Nov 06 10:47:38.495 INFO kablam! 
Nov 06 10:47:38.644 INFO kablam! warning: field is never used: `y`
Nov 06 10:47:38.645 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 06 10:47:38.645 INFO kablam!   |
Nov 06 10:47:38.645 INFO kablam! 3 |     y: &'b i32,
Nov 06 10:47:38.645 INFO kablam!   |     ^^^^^^^^^^
Nov 06 10:47:38.645 INFO kablam!   |
Nov 06 10:47:38.645 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 10:47:38.645 INFO kablam! 
Nov 06 10:47:39.013 INFO kablam! warning: unused import: `std::io::Result`
Nov 06 10:47:39.013 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Nov 06 10:47:39.013 INFO kablam!   |
Nov 06 10:47:39.014 INFO kablam! 2 | use std::io::Result;
Nov 06 10:47:39.014 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 06 10:47:39.014 INFO kablam!   |
Nov 06 10:47:39.014 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 10:47:39.015 INFO kablam! 
Nov 06 10:47:39.336 INFO kablam! warning: unused variable: `t`
Nov 06 10:47:39.336 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Nov 06 10:47:39.336 INFO kablam!   |
Nov 06 10:47:39.336 INFO kablam! 9 |     let t = s.clone(); // cloneすると参照カウントがインクリメントされるが実際はコピーされない
Nov 06 10:47:39.336 INFO kablam!   |         ^ help: consider using `_t` instead
Nov 06 10:47:39.336 INFO kablam!   |
Nov 06 10:47:39.336 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 06 10:47:39.336 INFO kablam! 
Nov 06 10:47:39.336 INFO kablam! warning: unused variable: `u`
Nov 06 10:47:39.336 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Nov 06 10:47:39.336 INFO kablam!    |
Nov 06 10:47:39.336 INFO kablam! 10 |     let u = s.clone();
Nov 06 10:47:39.336 INFO kablam!    |         ^ help: consider using `_u` instead
Nov 06 10:47:39.336 INFO kablam! 
Nov 06 10:47:39.368 INFO kablam! warning: variable does not need to be mutable
Nov 06 10:47:39.368 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Nov 06 10:47:39.368 INFO kablam!   |
Nov 06 10:47:39.368 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Nov 06 10:47:39.368 INFO kablam!   |         ----^
Nov 06 10:47:39.368 INFO kablam!   |         |
Nov 06 10:47:39.368 INFO kablam!   |         help: remove this `mut`
Nov 06 10:47:39.368 INFO kablam!   |
Nov 06 10:47:39.368 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 06 10:47:39.368 INFO kablam! 
Nov 06 10:47:39.480 INFO kablam! warning: field is never used: `y`
Nov 06 10:47:39.480 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 06 10:47:39.480 INFO kablam!   |
Nov 06 10:47:39.480 INFO kablam! 3 |     y: &'b i32,
Nov 06 10:47:39.480 INFO kablam!   |     ^^^^^^^^^^
Nov 06 10:47:39.480 INFO kablam!   |
Nov 06 10:47:39.480 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 10:47:39.480 INFO kablam! 
Nov 06 10:47:39.512 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
Nov 06 10:47:39.517 INFO kablam! su: No module specific data is present
Nov 06 10:47:41.061 INFO running `"docker" "rm" "-f" "f29e6b05b0d8dc0e44d3de8087934bb43a01bd10ebd6a3486acae78c95ef7849"`
Nov 06 10:47:41.528 INFO blam! f29e6b05b0d8dc0e44d3de8087934bb43a01bd10ebd6a3486acae78c95ef7849