Nov 29 14:38:14.694 INFO checking yagince/programming-rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 14:38:14.694 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 14:38:15.225 INFO [stdout] be66719935360e879f887d8b35d47ad1e624f260674d05cf0859fb318587124a
Nov 29 14:38:15.227 INFO running `"docker" "start" "-a" "be66719935360e879f887d8b35d47ad1e624f260674d05cf0859fb318587124a"`
Nov 29 14:38:17.576 INFO [stderr] usermod: no changes
Nov 29 14:38:17.684 INFO [stderr]     Checking samples v0.1.0 (/source)
Nov 29 14:38:18.440 INFO [stderr] warning: unused import: `std::io::Result`
Nov 29 14:38:18.440 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Nov 29 14:38:18.440 INFO [stderr]   |
Nov 29 14:38:18.440 INFO [stderr] 2 | use std::io::Result;
Nov 29 14:38:18.440 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 14:38:18.464 INFO [stderr] warning: unused import: `std::io::Result`
Nov 29 14:38:18.465 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Nov 29 14:38:18.465 INFO [stderr]   |
Nov 29 14:38:18.465 INFO [stderr] 2 | use std::io::Result;
Nov 29 14:38:18.465 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 29 14:38:18.466 INFO [stderr]   |
Nov 29 14:38:18.466 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:38:18.466 INFO [stderr] 
Nov 29 14:38:18.480 INFO [stderr]   |
Nov 29 14:38:18.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 14:38:18.480 INFO [stderr] 
Nov 29 14:38:18.612 INFO [stderr] warning: unused variable: `t`
Nov 29 14:38:18.613 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Nov 29 14:38:18.613 INFO [stderr]   |
Nov 29 14:38:18.613 INFO [stderr] 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 29 14:38:18.613 INFO [stderr]   |         ^ help: consider using `_t` instead
Nov 29 14:38:18.613 INFO [stderr]   |
Nov 29 14:38:18.613 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 14:38:18.613 INFO [stderr] 
Nov 29 14:38:18.613 INFO [stderr] warning: unused variable: `u`
Nov 29 14:38:18.613 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Nov 29 14:38:18.613 INFO [stderr]    |
Nov 29 14:38:18.613 INFO [stderr] 10 |     let u = s.clone();
Nov 29 14:38:18.613 INFO [stderr]    |         ^ help: consider using `_u` instead
Nov 29 14:38:18.613 INFO [stderr] 
Nov 29 14:38:18.632 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:38:18.632 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Nov 29 14:38:18.632 INFO [stderr]   |
Nov 29 14:38:18.632 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Nov 29 14:38:18.632 INFO [stderr]   |         ----^
Nov 29 14:38:18.632 INFO [stderr]   |         |
Nov 29 14:38:18.632 INFO [stderr]   |         help: remove this `mut`
Nov 29 14:38:18.636 INFO [stderr] warning: field is never used: `y`
Nov 29 14:38:18.637 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 29 14:38:18.637 INFO [stderr]   |
Nov 29 14:38:18.637 INFO [stderr] 3 |     y: &'b i32,
Nov 29 14:38:18.637 INFO [stderr]   |     ^^^^^^^^^^
Nov 29 14:38:18.637 INFO [stderr]   |
Nov 29 14:38:18.637 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:38:18.637 INFO [stderr] 
Nov 29 14:38:18.652 INFO [stderr]   |
Nov 29 14:38:18.652 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 29 14:38:18.652 INFO [stderr] 
Nov 29 14:38:18.708 INFO [stderr] warning: unused variable: `a_2`
Nov 29 14:38:18.708 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Nov 29 14:38:18.708 INFO [stderr]   |
Nov 29 14:38:18.708 INFO [stderr] 6 |     let a_2 = a;
Nov 29 14:38:18.708 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Nov 29 14:38:18.708 INFO [stderr]   |
Nov 29 14:38:18.720 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 14:38:18.720 INFO [stderr] 
Nov 29 14:38:18.972 INFO [stderr] warning: unused variable: `aside`
Nov 29 14:38:18.973 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 29 14:38:18.973 INFO [stderr]    |
Nov 29 14:38:18.973 INFO [stderr] 11 |     let aside = v;
Nov 29 14:38:18.974 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Nov 29 14:38:18.974 INFO [stderr]    |
Nov 29 14:38:18.974 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:38:18.974 INFO [stderr] 
Nov 29 14:38:18.975 INFO [stderr] warning: unused variable: `r1`
Nov 29 14:38:18.975 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 29 14:38:18.975 INFO [stderr]    |
Nov 29 14:38:18.976 INFO [stderr] 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 29 14:38:18.976 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 29 14:38:18.976 INFO [stderr] 
Nov 29 14:38:19.292 INFO [stderr] warning: unused variable: `t`
Nov 29 14:38:19.292 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Nov 29 14:38:19.292 INFO [stderr]   |
Nov 29 14:38:19.292 INFO [stderr] 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 29 14:38:19.292 INFO [stderr]   |         ^ help: consider using `_t` instead
Nov 29 14:38:19.293 INFO [stderr]   |
Nov 29 14:38:19.293 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 14:38:19.293 INFO [stderr] 
Nov 29 14:38:19.293 INFO [stderr] warning: unused variable: `u`
Nov 29 14:38:19.293 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Nov 29 14:38:19.293 INFO [stderr]    |
Nov 29 14:38:19.293 INFO [stderr] 10 |     let u = s.clone();
Nov 29 14:38:19.293 INFO [stderr]    |         ^ help: consider using `_u` instead
Nov 29 14:38:19.293 INFO [stderr] 
Nov 29 14:38:19.380 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:38:19.380 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Nov 29 14:38:19.380 INFO [stderr]   |
Nov 29 14:38:19.380 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Nov 29 14:38:19.380 INFO [stderr]   |         ----^
Nov 29 14:38:19.380 INFO [stderr]   |         |
Nov 29 14:38:19.380 INFO [stderr]   |         help: remove this `mut`
Nov 29 14:38:19.380 INFO [stderr]   |
Nov 29 14:38:19.380 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 29 14:38:19.380 INFO [stderr] 
Nov 29 14:38:19.791 INFO [stderr] warning: field is never used: `y`
Nov 29 14:38:19.792 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Nov 29 14:38:19.792 INFO [stderr]   |
Nov 29 14:38:19.792 INFO [stderr] 3 |     y: &'b i32,
Nov 29 14:38:19.792 INFO [stderr]   |     ^^^^^^^^^^
Nov 29 14:38:19.804 INFO [stderr]   |
Nov 29 14:38:19.804 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:38:19.804 INFO [stderr] 
Nov 29 14:38:21.037 INFO [stderr] warning: unused variable: `aside`
Nov 29 14:38:21.037 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Nov 29 14:38:21.037 INFO [stderr]    |
Nov 29 14:38:21.037 INFO [stderr] 11 |     let aside = v;
Nov 29 14:38:21.038 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Nov 29 14:38:21.068 INFO [stderr]    |
Nov 29 14:38:21.069 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:38:21.069 INFO [stderr] 
Nov 29 14:38:21.069 INFO [stderr] warning: unused variable: `r1`
Nov 29 14:38:21.069 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Nov 29 14:38:21.069 INFO [stderr]    |
Nov 29 14:38:21.070 INFO [stderr] 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 29 14:38:21.070 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 29 14:38:21.070 INFO [stderr] 
Nov 29 14:38:21.230 INFO [stderr] warning: unused variable: `a_2`
Nov 29 14:38:21.231 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Nov 29 14:38:21.231 INFO [stderr]   |
Nov 29 14:38:21.231 INFO [stderr] 6 |     let a_2 = a;
Nov 29 14:38:21.231 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Nov 29 14:38:21.231 INFO [stderr]   |
Nov 29 14:38:21.231 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 14:38:21.231 INFO [stderr] 
Nov 29 14:38:21.305 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
Nov 29 14:38:21.308 INFO [stderr] su: No module specific data is present
Nov 29 14:38:22.986 INFO running `"docker" "inspect" "be66719935360e879f887d8b35d47ad1e624f260674d05cf0859fb318587124a"`
Nov 29 14:38:23.372 INFO running `"docker" "rm" "-f" "be66719935360e879f887d8b35d47ad1e624f260674d05cf0859fb318587124a"`
Nov 29 14:38:23.704 INFO [stdout] be66719935360e879f887d8b35d47ad1e624f260674d05cf0859fb318587124a