Oct 21 12:04:43.015 INFO checking yagince/programming-rust against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 12:04:43.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 12:04:43.412 INFO blam! 1239d5a3ee409454a8ded8578305edd8b7d05b06d3e2dcad1696266b183d37ae
Oct 21 12:04:43.436 INFO running `"docker" "start" "-a" "1239d5a3ee409454a8ded8578305edd8b7d05b06d3e2dcad1696266b183d37ae"`
Oct 21 12:04:45.086 INFO kablam! usermod: no changes
Oct 21 12:04:45.140 INFO kablam!     Checking samples v0.1.0 (/source)
Oct 21 12:04:45.916 INFO kablam! warning: unused import: `std::io::Result`
Oct 21 12:04:45.916 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 21 12:04:45.917 INFO kablam!   |
Oct 21 12:04:45.917 INFO kablam! 2 | use std::io::Result;
Oct 21 12:04:45.917 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 21 12:04:45.917 INFO kablam!   |
Oct 21 12:04:45.917 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 12:04:45.917 INFO kablam! 
Oct 21 12:04:46.029 INFO kablam! warning: unused import: `std::io::Result`
Oct 21 12:04:46.029 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 21 12:04:46.029 INFO kablam!   |
Oct 21 12:04:46.029 INFO kablam! 2 | use std::io::Result;
Oct 21 12:04:46.029 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 21 12:04:46.029 INFO kablam!   |
Oct 21 12:04:46.029 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 12:04:46.029 INFO kablam! 
Oct 21 12:04:46.236 INFO kablam! warning: unused variable: `t`
Oct 21 12:04:46.236 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 21 12:04:46.236 INFO kablam!   |
Oct 21 12:04:46.236 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 21 12:04:46.236 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 21 12:04:46.236 INFO kablam!   |
Oct 21 12:04:46.236 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 12:04:46.236 INFO kablam! 
Oct 21 12:04:46.236 INFO kablam! warning: unused variable: `u`
Oct 21 12:04:46.236 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 21 12:04:46.236 INFO kablam!    |
Oct 21 12:04:46.236 INFO kablam! 10 |     let u = s.clone();
Oct 21 12:04:46.236 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 21 12:04:46.236 INFO kablam! 
Oct 21 12:04:46.261 INFO kablam! warning: variable does not need to be mutable
Oct 21 12:04:46.261 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 21 12:04:46.261 INFO kablam!   |
Oct 21 12:04:46.261 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 21 12:04:46.261 INFO kablam!   |         ----^
Oct 21 12:04:46.261 INFO kablam!   |         |
Oct 21 12:04:46.261 INFO kablam!   |         help: remove this `mut`
Oct 21 12:04:46.261 INFO kablam!   |
Oct 21 12:04:46.261 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 21 12:04:46.261 INFO kablam! 
Oct 21 12:04:46.408 INFO kablam! warning: unused variable: `aside`
Oct 21 12:04:46.408 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 21 12:04:46.408 INFO kablam!    |
Oct 21 12:04:46.408 INFO kablam! 11 |     let aside = v;
Oct 21 12:04:46.408 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 21 12:04:46.408 INFO kablam!    |
Oct 21 12:04:46.408 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 12:04:46.408 INFO kablam! 
Oct 21 12:04:46.408 INFO kablam! warning: unused variable: `r1`
Oct 21 12:04:46.408 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 21 12:04:46.408 INFO kablam!    |
Oct 21 12:04:46.408 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 21 12:04:46.408 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 21 12:04:46.408 INFO kablam! 
Oct 21 12:04:46.808 INFO kablam! warning: field is never used: `y`
Oct 21 12:04:46.808 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 21 12:04:46.808 INFO kablam!   |
Oct 21 12:04:46.808 INFO kablam! 3 |     y: &'b i32,
Oct 21 12:04:46.808 INFO kablam!   |     ^^^^^^^^^^
Oct 21 12:04:46.808 INFO kablam!   |
Oct 21 12:04:46.808 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 12:04:46.808 INFO kablam! 
Oct 21 12:04:47.629 INFO kablam! warning: unused variable: `a_2`
Oct 21 12:04:47.629 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 21 12:04:47.629 INFO kablam!   |
Oct 21 12:04:47.630 INFO kablam! 6 |     let a_2 = a;
Oct 21 12:04:47.630 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 21 12:04:47.630 INFO kablam!   |
Oct 21 12:04:47.631 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 12:04:47.631 INFO kablam! 
Oct 21 12:04:47.631 INFO kablam! warning: unused variable: `t`
Oct 21 12:04:47.632 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 21 12:04:47.632 INFO kablam!   |
Oct 21 12:04:47.632 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 21 12:04:47.633 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 21 12:04:47.633 INFO kablam!   |
Oct 21 12:04:47.633 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 12:04:47.633 INFO kablam! 
Oct 21 12:04:47.634 INFO kablam! warning: unused variable: `u`
Oct 21 12:04:47.634 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 21 12:04:47.634 INFO kablam!    |
Oct 21 12:04:47.635 INFO kablam! 10 |     let u = s.clone();
Oct 21 12:04:47.635 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 21 12:04:47.635 INFO kablam! 
Oct 21 12:04:47.636 INFO kablam! warning: variable does not need to be mutable
Oct 21 12:04:47.636 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 21 12:04:47.636 INFO kablam!   |
Oct 21 12:04:47.637 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 21 12:04:47.637 INFO kablam!   |         ----^
Oct 21 12:04:47.637 INFO kablam!   |         |
Oct 21 12:04:47.638 INFO kablam!   |         help: remove this `mut`
Oct 21 12:04:47.638 INFO kablam!   |
Oct 21 12:04:47.638 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 21 12:04:47.638 INFO kablam! 
Oct 21 12:04:47.840 INFO kablam! warning: field is never used: `y`
Oct 21 12:04:47.840 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 21 12:04:47.840 INFO kablam!   |
Oct 21 12:04:47.840 INFO kablam! 3 |     y: &'b i32,
Oct 21 12:04:47.840 INFO kablam!   |     ^^^^^^^^^^
Oct 21 12:04:47.844 INFO kablam!   |
Oct 21 12:04:47.844 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 12:04:47.844 INFO kablam! 
Oct 21 12:04:48.296 INFO kablam! warning: unused variable: `aside`
Oct 21 12:04:48.297 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 21 12:04:48.297 INFO kablam!    |
Oct 21 12:04:48.297 INFO kablam! 11 |     let aside = v;
Oct 21 12:04:48.298 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 21 12:04:48.298 INFO kablam!    |
Oct 21 12:04:48.298 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 12:04:48.298 INFO kablam! 
Oct 21 12:04:48.299 INFO kablam! warning: unused variable: `r1`
Oct 21 12:04:48.299 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 21 12:04:48.299 INFO kablam!    |
Oct 21 12:04:48.304 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 21 12:04:48.305 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 21 12:04:48.305 INFO kablam! 
Oct 21 12:04:48.503 INFO kablam! warning: unused variable: `a_2`
Oct 21 12:04:48.503 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 21 12:04:48.508 INFO kablam!   |
Oct 21 12:04:48.508 INFO kablam! 6 |     let a_2 = a;
Oct 21 12:04:48.508 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 21 12:04:48.508 INFO kablam!   |
Oct 21 12:04:48.508 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 21 12:04:48.508 INFO kablam! 
Oct 21 12:04:48.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Oct 21 12:04:48.560 INFO kablam! su: No module specific data is present
Oct 21 12:04:49.414 INFO running `"docker" "rm" "-f" "1239d5a3ee409454a8ded8578305edd8b7d05b06d3e2dcad1696266b183d37ae"`
Oct 21 12:04:49.740 INFO blam! 1239d5a3ee409454a8ded8578305edd8b7d05b06d3e2dcad1696266b183d37ae