Dec 04 06:43:46.758 INFO checking yagince/programming-rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 06:43:46.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 06:43:47.351 INFO [stdout] 45c1e45edbff055a74fe9638ce58c950877076f9ac4bcfe6a4e19742f154543d
Dec 04 06:43:47.354 INFO running `"docker" "start" "-a" "45c1e45edbff055a74fe9638ce58c950877076f9ac4bcfe6a4e19742f154543d"`
Dec 04 06:43:50.298 INFO [stderr] usermod: no changes
Dec 04 06:43:50.383 INFO [stderr]     Checking samples v0.1.0 (/source)
Dec 04 06:43:51.345 INFO [stderr] warning: unused variable: `aside`
Dec 04 06:43:51.345 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Dec 04 06:43:51.345 INFO [stderr]    |
Dec 04 06:43:51.345 INFO [stderr] 11 |     let aside = v;
Dec 04 06:43:51.345 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Dec 04 06:43:51.345 INFO [stderr]    |
Dec 04 06:43:51.346 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 06:43:51.346 INFO [stderr] 
Dec 04 06:43:51.346 INFO [stderr] warning: unused variable: `r1`
Dec 04 06:43:51.346 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Dec 04 06:43:51.346 INFO [stderr]    |
Dec 04 06:43:51.346 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
Dec 04 06:43:51.346 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 04 06:43:51.346 INFO [stderr] 
Dec 04 06:43:51.455 INFO [stderr] warning: unused variable: `t`
Dec 04 06:43:51.455 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Dec 04 06:43:51.455 INFO [stderr]   |
Dec 04 06:43:51.455 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
Dec 04 06:43:51.455 INFO [stderr]   |         ^ help: consider using `_t` instead
Dec 04 06:43:51.463 INFO [stderr]   |
Dec 04 06:43:51.463 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 06:43:51.463 INFO [stderr] 
Dec 04 06:43:51.471 INFO [stderr] warning: unused variable: `u`
Dec 04 06:43:51.471 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Dec 04 06:43:51.471 INFO [stderr]    |
Dec 04 06:43:51.471 INFO [stderr] 10 |     let u = s.clone();
Dec 04 06:43:51.471 INFO [stderr]    |         ^ help: consider using `_u` instead
Dec 04 06:43:51.471 INFO [stderr] 
Dec 04 06:43:51.523 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:43:51.523 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Dec 04 06:43:51.523 INFO [stderr]   |
Dec 04 06:43:51.523 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Dec 04 06:43:51.523 INFO [stderr]   |         ----^
Dec 04 06:43:51.523 INFO [stderr]   |         |
Dec 04 06:43:51.523 INFO [stderr]   |         help: remove this `mut`
Dec 04 06:43:51.523 INFO [stderr]   |
Dec 04 06:43:51.523 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 06:43:51.523 INFO [stderr] 
Dec 04 06:43:51.615 INFO [stderr] warning: field is never used: `y`
Dec 04 06:43:51.615 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Dec 04 06:43:51.615 INFO [stderr]   |
Dec 04 06:43:51.615 INFO [stderr] 3 |     y: &'b i32,
Dec 04 06:43:51.615 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 06:43:51.615 INFO [stderr]   |
Dec 04 06:43:51.615 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 06:43:51.615 INFO [stderr] 
Dec 04 06:43:51.651 INFO [stderr] warning: unused variable: `a_2`
Dec 04 06:43:51.651 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Dec 04 06:43:51.651 INFO [stderr]   |
Dec 04 06:43:51.651 INFO [stderr] 6 |     let a_2 = a;
Dec 04 06:43:51.651 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Dec 04 06:43:51.651 INFO [stderr]   |
Dec 04 06:43:51.651 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 06:43:51.651 INFO [stderr] 
Dec 04 06:43:51.759 INFO [stderr] warning: unused variable: `aside`
Dec 04 06:43:51.759 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Dec 04 06:43:51.759 INFO [stderr]    |
Dec 04 06:43:51.759 INFO [stderr] 11 |     let aside = v;
Dec 04 06:43:51.759 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Dec 04 06:43:51.759 INFO [stderr]    |
Dec 04 06:43:51.759 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 06:43:51.759 INFO [stderr] 
Dec 04 06:43:51.759 INFO [stderr] warning: unused variable: `r1`
Dec 04 06:43:51.759 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Dec 04 06:43:51.759 INFO [stderr]    |
Dec 04 06:43:51.760 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
Dec 04 06:43:51.760 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 04 06:43:51.775 INFO [stderr] 
Dec 04 06:43:52.659 INFO [stderr] warning: unused variable: `t`
Dec 04 06:43:52.659 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Dec 04 06:43:52.659 INFO [stderr]   |
Dec 04 06:43:52.659 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
Dec 04 06:43:52.659 INFO [stderr]   |         ^ help: consider using `_t` instead
Dec 04 06:43:52.659 INFO [stderr]   |
Dec 04 06:43:52.659 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 06:43:52.659 INFO [stderr] 
Dec 04 06:43:52.659 INFO [stderr] warning: unused variable: `u`
Dec 04 06:43:52.659 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Dec 04 06:43:52.659 INFO [stderr]    |
Dec 04 06:43:52.659 INFO [stderr] 10 |     let u = s.clone();
Dec 04 06:43:52.659 INFO [stderr]    |         ^ help: consider using `_u` instead
Dec 04 06:43:52.659 INFO [stderr] 
Dec 04 06:43:52.660 INFO [stderr] warning: unused import: `std::io::Result`
Dec 04 06:43:52.660 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Dec 04 06:43:52.660 INFO [stderr]   |
Dec 04 06:43:52.661 INFO [stderr] 2 | use std::io::Result;
Dec 04 06:43:52.661 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 06:43:52.661 INFO [stderr]   |
Dec 04 06:43:52.661 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:43:52.661 INFO [stderr] 
Dec 04 06:43:52.711 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:43:52.711 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Dec 04 06:43:52.711 INFO [stderr]   |
Dec 04 06:43:52.711 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Dec 04 06:43:52.711 INFO [stderr]   |         ----^
Dec 04 06:43:52.711 INFO [stderr]   |         |
Dec 04 06:43:52.711 INFO [stderr]   |         help: remove this `mut`
Dec 04 06:43:52.711 INFO [stderr]   |
Dec 04 06:43:52.711 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 06:43:52.711 INFO [stderr] 
Dec 04 06:43:52.755 INFO [stderr] warning: unused import: `std::io::Result`
Dec 04 06:43:52.755 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Dec 04 06:43:52.755 INFO [stderr]   |
Dec 04 06:43:52.755 INFO [stderr] 2 | use std::io::Result;
Dec 04 06:43:52.755 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 06:43:52.755 INFO [stderr]   |
Dec 04 06:43:52.755 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:43:52.755 INFO [stderr] 
Dec 04 06:43:53.787 INFO [stderr] warning: field is never used: `y`
Dec 04 06:43:53.787 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Dec 04 06:43:53.787 INFO [stderr]   |
Dec 04 06:43:53.788 INFO [stderr] 3 |     y: &'b i32,
Dec 04 06:43:53.788 INFO [stderr]   |     ^^^^^^^^^^
Dec 04 06:43:53.815 INFO [stderr]   |
Dec 04 06:43:53.815 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 06:43:53.816 INFO [stderr] 
Dec 04 06:43:54.027 INFO [stderr] warning: unused variable: `a_2`
Dec 04 06:43:54.027 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Dec 04 06:43:54.027 INFO [stderr]   |
Dec 04 06:43:54.027 INFO [stderr] 6 |     let a_2 = a;
Dec 04 06:43:54.027 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Dec 04 06:43:54.027 INFO [stderr]   |
Dec 04 06:43:54.027 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 06:43:54.027 INFO [stderr] 
Dec 04 06:43:54.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
Dec 04 06:43:54.307 INFO [stderr] su: No module specific data is present
Dec 04 06:43:55.955 INFO running `"docker" "inspect" "45c1e45edbff055a74fe9638ce58c950877076f9ac4bcfe6a4e19742f154543d"`
Dec 04 06:43:56.233 INFO running `"docker" "rm" "-f" "45c1e45edbff055a74fe9638ce58c950877076f9ac4bcfe6a4e19742f154543d"`
Dec 04 06:43:56.602 INFO [stdout] 45c1e45edbff055a74fe9638ce58c950877076f9ac4bcfe6a4e19742f154543d