Dec 11 05:47:50.749 INFO checking yagince/programming-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 05:47:50.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 05:47:51.249 INFO [stdout] 5ccf265a02c6a3eb961c62a8b7854018a103e579ba52104416ec3c4abebc62a9
Dec 11 05:47:51.251 INFO running `"docker" "start" "-a" "5ccf265a02c6a3eb961c62a8b7854018a103e579ba52104416ec3c4abebc62a9"`
Dec 11 05:47:53.770 INFO [stderr] usermod: no changes
Dec 11 05:47:53.888 INFO [stderr]     Checking samples v0.1.0 (/source)
Dec 11 05:47:54.329 INFO [stderr] warning: field is never used: `y`
Dec 11 05:47:54.329 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Dec 11 05:47:54.329 INFO [stderr]   |
Dec 11 05:47:54.329 INFO [stderr] 3 |     y: &'b i32,
Dec 11 05:47:54.329 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 05:47:54.356 INFO [stderr]   |
Dec 11 05:47:54.356 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 05:47:54.356 INFO [stderr] 
Dec 11 05:47:54.620 INFO [stderr] warning: unused import: `std::io::Result`
Dec 11 05:47:54.621 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Dec 11 05:47:54.621 INFO [stderr]   |
Dec 11 05:47:54.621 INFO [stderr] 2 | use std::io::Result;
Dec 11 05:47:54.621 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 05:47:54.648 INFO [stderr]   |
Dec 11 05:47:54.649 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 05:47:54.649 INFO [stderr] 
Dec 11 05:47:54.896 INFO [stderr] warning: unused variable: `a_2`
Dec 11 05:47:54.897 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Dec 11 05:47:54.897 INFO [stderr]   |
Dec 11 05:47:54.897 INFO [stderr] 6 |     let a_2 = a;
Dec 11 05:47:54.898 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Dec 11 05:47:54.898 INFO [stderr]   |
Dec 11 05:47:54.898 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 05:47:54.899 INFO [stderr] 
Dec 11 05:47:54.936 INFO [stderr] warning: unused variable: `t`
Dec 11 05:47:54.937 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Dec 11 05:47:54.937 INFO [stderr]   |
Dec 11 05:47:54.937 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 11 05:47:54.937 INFO [stderr]   |         ^ help: consider using `_t` instead
Dec 11 05:47:54.956 INFO [stderr]   |
Dec 11 05:47:54.956 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 05:47:54.956 INFO [stderr] 
Dec 11 05:47:54.956 INFO [stderr] warning: unused variable: `u`
Dec 11 05:47:54.956 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Dec 11 05:47:54.957 INFO [stderr]    |
Dec 11 05:47:54.957 INFO [stderr] 10 |     let u = s.clone();
Dec 11 05:47:54.957 INFO [stderr]    |         ^ help: consider using `_u` instead
Dec 11 05:47:54.957 INFO [stderr] 
Dec 11 05:47:54.972 INFO [stderr] warning: unused variable: `aside`
Dec 11 05:47:54.972 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Dec 11 05:47:54.972 INFO [stderr]    |
Dec 11 05:47:54.972 INFO [stderr] 11 |     let aside = v;
Dec 11 05:47:54.972 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Dec 11 05:47:54.972 INFO [stderr]    |
Dec 11 05:47:54.972 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 05:47:54.972 INFO [stderr] 
Dec 11 05:47:54.972 INFO [stderr] warning: unused variable: `r1`
Dec 11 05:47:54.972 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Dec 11 05:47:54.972 INFO [stderr]    |
Dec 11 05:47:54.973 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 11 05:47:54.973 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 11 05:47:54.973 INFO [stderr] 
Dec 11 05:47:54.983 INFO [stderr] warning: variable does not need to be mutable
Dec 11 05:47:54.983 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Dec 11 05:47:54.983 INFO [stderr]   |
Dec 11 05:47:54.983 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Dec 11 05:47:54.983 INFO [stderr]   |         ----^
Dec 11 05:47:54.984 INFO [stderr]   |         |
Dec 11 05:47:54.984 INFO [stderr]   |         help: remove this `mut`
Dec 11 05:47:54.984 INFO [stderr]   |
Dec 11 05:47:54.984 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 05:47:54.984 INFO [stderr] 
Dec 11 05:47:56.136 INFO [stderr] warning: unused variable: `a_2`
Dec 11 05:47:56.137 INFO [stderr]  --> src/bin/4_3_copy.rs:6:9
Dec 11 05:47:56.137 INFO [stderr]   |
Dec 11 05:47:56.137 INFO [stderr] 6 |     let a_2 = a;
Dec 11 05:47:56.138 INFO [stderr]   |         ^^^ help: consider using `_a_2` instead
Dec 11 05:47:56.138 INFO [stderr]   |
Dec 11 05:47:56.138 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 05:47:56.138 INFO [stderr] 
Dec 11 05:47:57.031 INFO [stderr] warning: unused import: `std::io::Result`
Dec 11 05:47:57.031 INFO [stderr]  --> src/bin/6_4_1_if_let.rs:2:5
Dec 11 05:47:57.031 INFO [stderr]   |
Dec 11 05:47:57.031 INFO [stderr] 2 | use std::io::Result;
Dec 11 05:47:57.031 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 05:47:57.031 INFO [stderr]   |
Dec 11 05:47:57.031 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 05:47:57.031 INFO [stderr] 
Dec 11 05:47:57.112 INFO [stderr] warning: unused variable: `t`
Dec 11 05:47:57.112 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:9:9
Dec 11 05:47:57.112 INFO [stderr]   |
Dec 11 05:47:57.112 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 11 05:47:57.112 INFO [stderr]   |         ^ help: consider using `_t` instead
Dec 11 05:47:57.112 INFO [stderr]   |
Dec 11 05:47:57.112 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 05:47:57.112 INFO [stderr] 
Dec 11 05:47:57.112 INFO [stderr] warning: unused variable: `u`
Dec 11 05:47:57.112 INFO [stderr]   --> src/bin/4_4_rc_arc.rs:10:9
Dec 11 05:47:57.112 INFO [stderr]    |
Dec 11 05:47:57.112 INFO [stderr] 10 |     let u = s.clone();
Dec 11 05:47:57.112 INFO [stderr]    |         ^ help: consider using `_u` instead
Dec 11 05:47:57.124 INFO [stderr] 
Dec 11 05:47:57.157 INFO [stderr] warning: variable does not need to be mutable
Dec 11 05:47:57.157 INFO [stderr]  --> src/bin/4_4_rc_arc.rs:7:9
Dec 11 05:47:57.157 INFO [stderr]   |
Dec 11 05:47:57.157 INFO [stderr] 7 |     let mut s = Rc::new("hoge".to_string());
Dec 11 05:47:57.157 INFO [stderr]   |         ----^
Dec 11 05:47:57.157 INFO [stderr]   |         |
Dec 11 05:47:57.157 INFO [stderr]   |         help: remove this `mut`
Dec 11 05:47:57.157 INFO [stderr]   |
Dec 11 05:47:57.157 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 05:47:57.157 INFO [stderr] 
Dec 11 05:47:57.157 INFO [stderr] warning: unused variable: `aside`
Dec 11 05:47:57.157 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:11:9
Dec 11 05:47:57.157 INFO [stderr]    |
Dec 11 05:47:57.157 INFO [stderr] 11 |     let aside = v;
Dec 11 05:47:57.157 INFO [stderr]    |         ^^^^^ help: consider using `_aside` instead
Dec 11 05:47:57.157 INFO [stderr]    |
Dec 11 05:47:57.157 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 05:47:57.157 INFO [stderr] 
Dec 11 05:47:57.157 INFO [stderr] warning: unused variable: `r1`
Dec 11 05:47:57.157 INFO [stderr]   --> src/bin/5_3_share_refenrence.rs:28:9
Dec 11 05:47:57.157 INFO [stderr]    |
Dec 11 05:47:57.157 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 11 05:47:57.157 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Dec 11 05:47:57.157 INFO [stderr] 
Dec 11 05:47:57.158 INFO [stderr] warning: field is never used: `y`
Dec 11 05:47:57.158 INFO [stderr]  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Dec 11 05:47:57.158 INFO [stderr]   |
Dec 11 05:47:57.158 INFO [stderr] 3 |     y: &'b i32,
Dec 11 05:47:57.158 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 05:47:57.158 INFO [stderr]   |
Dec 11 05:47:57.158 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 05:47:57.158 INFO [stderr] 
Dec 11 05:47:57.313 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
Dec 11 05:47:57.316 INFO [stderr] su: No module specific data is present
Dec 11 05:47:58.450 INFO running `"docker" "inspect" "5ccf265a02c6a3eb961c62a8b7854018a103e579ba52104416ec3c4abebc62a9"`
Dec 11 05:47:58.722 INFO running `"docker" "rm" "-f" "5ccf265a02c6a3eb961c62a8b7854018a103e579ba52104416ec3c4abebc62a9"`
Dec 11 05:47:59.092 INFO [stdout] 5ccf265a02c6a3eb961c62a8b7854018a103e579ba52104416ec3c4abebc62a9