Oct 12 10:26:29.402 INFO checking yagince/programming-rust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 10:26:29.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 10:26:29.827 INFO blam! 52445052a37c84fb122c446450be42818d5a263d574a1a4004a7c4856287fe1b
Oct 12 10:26:29.828 INFO running `"docker" "start" "-a" "52445052a37c84fb122c446450be42818d5a263d574a1a4004a7c4856287fe1b"`
Oct 12 10:26:31.896 INFO kablam! usermod: no changes
Oct 12 10:26:32.052 INFO kablam!     Checking samples v0.1.0 (/source)
Oct 12 10:26:32.952 INFO kablam! warning: unused import: `std::io::Result`
Oct 12 10:26:32.952 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 12 10:26:32.952 INFO kablam!   |
Oct 12 10:26:32.952 INFO kablam! 2 | use std::io::Result;
Oct 12 10:26:32.952 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 10:26:32.952 INFO kablam!   |
Oct 12 10:26:32.952 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 10:26:32.952 INFO kablam! 
Oct 12 10:26:33.080 INFO kablam! warning: field is never used: `y`
Oct 12 10:26:33.080 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 12 10:26:33.080 INFO kablam!   |
Oct 12 10:26:33.080 INFO kablam! 3 |     y: &'b i32,
Oct 12 10:26:33.080 INFO kablam!   |     ^^^^^^^^^^
Oct 12 10:26:33.104 INFO kablam!   |
Oct 12 10:26:33.104 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:26:33.104 INFO kablam! 
Oct 12 10:26:33.132 INFO kablam! warning: field is never used: `y`
Oct 12 10:26:33.132 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 12 10:26:33.132 INFO kablam!   |
Oct 12 10:26:33.132 INFO kablam! 3 |     y: &'b i32,
Oct 12 10:26:33.132 INFO kablam!   |     ^^^^^^^^^^
Oct 12 10:26:33.132 INFO kablam!   |
Oct 12 10:26:33.132 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:26:33.132 INFO kablam! 
Oct 12 10:26:33.143 INFO kablam! warning: unused variable: `a_2`
Oct 12 10:26:33.143 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 12 10:26:33.143 INFO kablam!   |
Oct 12 10:26:33.143 INFO kablam! 6 |     let a_2 = a;
Oct 12 10:26:33.143 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 12 10:26:33.160 INFO kablam!   |
Oct 12 10:26:33.160 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 10:26:33.160 INFO kablam! 
Oct 12 10:26:33.432 INFO kablam! warning: unused variable: `aside`
Oct 12 10:26:33.432 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 12 10:26:33.432 INFO kablam!    |
Oct 12 10:26:33.432 INFO kablam! 11 |     let aside = v;
Oct 12 10:26:33.432 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 12 10:26:33.432 INFO kablam!    |
Oct 12 10:26:33.434 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:26:33.434 INFO kablam! 
Oct 12 10:26:33.434 INFO kablam! warning: unused variable: `r1`
Oct 12 10:26:33.434 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 12 10:26:33.434 INFO kablam!    |
Oct 12 10:26:33.434 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 12 10:26:33.434 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 12 10:26:33.434 INFO kablam! 
Oct 12 10:26:34.108 INFO kablam! warning: unused variable: `t`
Oct 12 10:26:34.109 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 12 10:26:34.109 INFO kablam!   |
Oct 12 10:26:34.109 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 12 10:26:34.110 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 12 10:26:34.110 INFO kablam!   |
Oct 12 10:26:34.110 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 10:26:34.110 INFO kablam! 
Oct 12 10:26:34.111 INFO kablam! warning: unused variable: `u`
Oct 12 10:26:34.111 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 12 10:26:34.111 INFO kablam!    |
Oct 12 10:26:34.111 INFO kablam! 10 |     let u = s.clone();
Oct 12 10:26:34.112 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 12 10:26:34.112 INFO kablam! 
Oct 12 10:26:34.140 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:26:34.140 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 12 10:26:34.140 INFO kablam!   |
Oct 12 10:26:34.140 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 12 10:26:34.140 INFO kablam!   |         ----^
Oct 12 10:26:34.140 INFO kablam!   |         |
Oct 12 10:26:34.140 INFO kablam!   |         help: remove this `mut`
Oct 12 10:26:34.140 INFO kablam!   |
Oct 12 10:26:34.140 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 10:26:34.140 INFO kablam! 
Oct 12 10:26:34.469 INFO kablam! warning: unused variable: `aside`
Oct 12 10:26:34.473 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 12 10:26:34.473 INFO kablam!    |
Oct 12 10:26:34.473 INFO kablam! 11 |     let aside = v;
Oct 12 10:26:34.473 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 12 10:26:34.474 INFO kablam!    |
Oct 12 10:26:34.474 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:26:34.474 INFO kablam! 
Oct 12 10:26:34.475 INFO kablam! warning: unused variable: `r1`
Oct 12 10:26:34.475 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 12 10:26:34.475 INFO kablam!    |
Oct 12 10:26:34.475 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 12 10:26:34.476 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 12 10:26:34.476 INFO kablam! 
Oct 12 10:26:34.537 INFO kablam! warning: unused import: `std::io::Result`
Oct 12 10:26:34.537 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 12 10:26:34.537 INFO kablam!   |
Oct 12 10:26:34.537 INFO kablam! 2 | use std::io::Result;
Oct 12 10:26:34.537 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 12 10:26:34.537 INFO kablam!   |
Oct 12 10:26:34.537 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 10:26:34.537 INFO kablam! 
Oct 12 10:26:34.988 INFO kablam! warning: unused variable: `t`
Oct 12 10:26:34.989 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 12 10:26:34.989 INFO kablam!   |
Oct 12 10:26:34.989 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 12 10:26:34.989 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 12 10:26:34.990 INFO kablam!   |
Oct 12 10:26:34.990 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 10:26:34.990 INFO kablam! 
Oct 12 10:26:34.990 INFO kablam! warning: unused variable: `u`
Oct 12 10:26:34.991 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 12 10:26:34.991 INFO kablam!    |
Oct 12 10:26:34.991 INFO kablam! 10 |     let u = s.clone();
Oct 12 10:26:34.991 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 12 10:26:34.992 INFO kablam! 
Oct 12 10:26:34.992 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:26:34.996 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 12 10:26:34.996 INFO kablam!   |
Oct 12 10:26:34.996 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 12 10:26:34.996 INFO kablam!   |         ----^
Oct 12 10:26:34.996 INFO kablam!   |         |
Oct 12 10:26:34.996 INFO kablam!   |         help: remove this `mut`
Oct 12 10:26:34.996 INFO kablam!   |
Oct 12 10:26:34.998 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 10:26:34.998 INFO kablam! 
Oct 12 10:26:35.361 INFO kablam! warning: unused variable: `a_2`
Oct 12 10:26:35.365 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 12 10:26:35.365 INFO kablam!   |
Oct 12 10:26:35.365 INFO kablam! 6 |     let a_2 = a;
Oct 12 10:26:35.366 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 12 10:26:35.377 INFO kablam!   |
Oct 12 10:26:35.380 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 10:26:35.381 INFO kablam! 
Oct 12 10:26:35.447 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
Oct 12 10:26:35.452 INFO kablam! su: No module specific data is present
Oct 12 10:26:36.521 INFO running `"docker" "rm" "-f" "52445052a37c84fb122c446450be42818d5a263d574a1a4004a7c4856287fe1b"`
Oct 12 10:26:36.850 INFO blam! 52445052a37c84fb122c446450be42818d5a263d574a1a4004a7c4856287fe1b