Oct 26 17:39:03.817 INFO checking yagince/programming-rust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 17:39:03.818 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 26 17:39:04.364 INFO blam! a395418511ae80631d61fbf3db91a303e4e2eeea3045813410ff1e4a59f3b4ed
Oct 26 17:39:04.365 INFO running `"docker" "start" "-a" "a395418511ae80631d61fbf3db91a303e4e2eeea3045813410ff1e4a59f3b4ed"`
Oct 26 17:39:07.341 INFO kablam! usermod: no changes
Oct 26 17:39:07.407 INFO kablam!     Checking samples v0.1.0 (/source)
Oct 26 17:39:08.535 INFO kablam! warning: unused variable: `a_2`
Oct 26 17:39:08.536 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 26 17:39:08.536 INFO kablam!   |
Oct 26 17:39:08.537 INFO kablam! 6 |     let a_2 = a;
Oct 26 17:39:08.538 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 26 17:39:08.538 INFO kablam!   |
Oct 26 17:39:08.539 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 17:39:08.540 INFO kablam! 
Oct 26 17:39:08.599 INFO kablam! warning: field is never used: `y`
Oct 26 17:39:08.600 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 26 17:39:08.601 INFO kablam!   |
Oct 26 17:39:08.601 INFO kablam! 3 |     y: &'b i32,
Oct 26 17:39:08.602 INFO kablam!   |     ^^^^^^^^^^
Oct 26 17:39:08.603 INFO kablam!   |
Oct 26 17:39:08.603 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 17:39:08.604 INFO kablam! 
Oct 26 17:39:08.631 INFO kablam! warning: unused variable: `t`
Oct 26 17:39:08.632 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 26 17:39:08.633 INFO kablam!   |
Oct 26 17:39:08.633 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
Oct 26 17:39:08.634 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 26 17:39:08.655 INFO kablam!   |
Oct 26 17:39:08.656 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 17:39:08.656 INFO kablam! 
Oct 26 17:39:08.657 INFO kablam! warning: unused variable: `u`
Oct 26 17:39:08.658 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 26 17:39:08.658 INFO kablam!    |
Oct 26 17:39:08.659 INFO kablam! 10 |     let u = s.clone();
Oct 26 17:39:08.660 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 26 17:39:08.660 INFO kablam! 
Oct 26 17:39:08.687 INFO kablam! warning: variable does not need to be mutable
Oct 26 17:39:08.688 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 26 17:39:08.688 INFO kablam!   |
Oct 26 17:39:08.689 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 26 17:39:08.690 INFO kablam!   |         ----^
Oct 26 17:39:08.690 INFO kablam!   |         |
Oct 26 17:39:08.691 INFO kablam!   |         help: remove this `mut`
Oct 26 17:39:08.692 INFO kablam!   |
Oct 26 17:39:08.692 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 26 17:39:08.693 INFO kablam! 
Oct 26 17:39:09.507 INFO kablam! warning: unused import: `std::io::Result`
Oct 26 17:39:09.507 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 26 17:39:09.507 INFO kablam!   |
Oct 26 17:39:09.507 INFO kablam! 2 | use std::io::Result;
Oct 26 17:39:09.507 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 26 17:39:09.507 INFO kablam!   |
Oct 26 17:39:09.508 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 17:39:09.508 INFO kablam! 
Oct 26 17:39:09.583 INFO kablam! warning: field is never used: `y`
Oct 26 17:39:09.583 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 26 17:39:09.583 INFO kablam!   |
Oct 26 17:39:09.583 INFO kablam! 3 |     y: &'b i32,
Oct 26 17:39:09.584 INFO kablam!   |     ^^^^^^^^^^
Oct 26 17:39:09.611 INFO kablam!   |
Oct 26 17:39:09.611 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 17:39:09.611 INFO kablam! 
Oct 26 17:39:09.711 INFO kablam! warning: unused variable: `t`
Oct 26 17:39:09.711 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 26 17:39:09.711 INFO kablam!   |
Oct 26 17:39:09.711 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
Oct 26 17:39:09.712 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 26 17:39:09.712 INFO kablam!   |
Oct 26 17:39:09.712 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 17:39:09.712 INFO kablam! 
Oct 26 17:39:09.712 INFO kablam! warning: unused variable: `u`
Oct 26 17:39:09.712 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 26 17:39:09.713 INFO kablam!    |
Oct 26 17:39:09.713 INFO kablam! 10 |     let u = s.clone();
Oct 26 17:39:09.713 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 26 17:39:09.713 INFO kablam! 
Oct 26 17:39:09.736 INFO kablam! warning: variable does not need to be mutable
Oct 26 17:39:09.736 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 26 17:39:09.736 INFO kablam!   |
Oct 26 17:39:09.736 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 26 17:39:09.736 INFO kablam!   |         ----^
Oct 26 17:39:09.736 INFO kablam!   |         |
Oct 26 17:39:09.736 INFO kablam!   |         help: remove this `mut`
Oct 26 17:39:09.736 INFO kablam!   |
Oct 26 17:39:09.736 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 26 17:39:09.736 INFO kablam! 
Oct 26 17:39:09.979 INFO kablam! warning: unused variable: `aside`
Oct 26 17:39:09.979 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 26 17:39:09.979 INFO kablam!    |
Oct 26 17:39:09.979 INFO kablam! 11 |     let aside = v;
Oct 26 17:39:09.979 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 26 17:39:09.980 INFO kablam!    |
Oct 26 17:39:09.980 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 17:39:09.980 INFO kablam! 
Oct 26 17:39:09.991 INFO kablam! warning: unused variable: `r1`
Oct 26 17:39:09.991 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 26 17:39:09.991 INFO kablam!    |
Oct 26 17:39:09.991 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
Oct 26 17:39:09.991 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 26 17:39:09.991 INFO kablam! 
Oct 26 17:39:10.709 INFO kablam! warning: unused import: `std::io::Result`
Oct 26 17:39:10.709 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 26 17:39:10.709 INFO kablam!   |
Oct 26 17:39:10.710 INFO kablam! 2 | use std::io::Result;
Oct 26 17:39:10.710 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 26 17:39:10.710 INFO kablam!   |
Oct 26 17:39:10.711 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 17:39:10.711 INFO kablam! 
Oct 26 17:39:10.903 INFO kablam! warning: unused variable: `aside`
Oct 26 17:39:10.903 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 26 17:39:10.903 INFO kablam!    |
Oct 26 17:39:10.903 INFO kablam! 11 |     let aside = v;
Oct 26 17:39:10.903 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 26 17:39:10.904 INFO kablam!    |
Oct 26 17:39:10.904 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 17:39:10.904 INFO kablam! 
Oct 26 17:39:10.904 INFO kablam! warning: unused variable: `r1`
Oct 26 17:39:10.905 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 26 17:39:10.905 INFO kablam!    |
Oct 26 17:39:10.905 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
Oct 26 17:39:10.905 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 26 17:39:10.905 INFO kablam! 
Oct 26 17:39:11.051 INFO kablam! warning: unused variable: `a_2`
Oct 26 17:39:11.051 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 26 17:39:11.051 INFO kablam!   |
Oct 26 17:39:11.051 INFO kablam! 6 |     let a_2 = a;
Oct 26 17:39:11.052 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 26 17:39:11.052 INFO kablam!   |
Oct 26 17:39:11.052 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 17:39:11.052 INFO kablam! 
Oct 26 17:39:11.183 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
Oct 26 17:39:11.188 INFO kablam! su: No module specific data is present
Oct 26 17:39:12.663 INFO running `"docker" "rm" "-f" "a395418511ae80631d61fbf3db91a303e4e2eeea3045813410ff1e4a59f3b4ed"`
Oct 26 17:39:12.947 INFO blam! a395418511ae80631d61fbf3db91a303e4e2eeea3045813410ff1e4a59f3b4ed