Oct 31 17:44:45.287 INFO checking yagince/programming-rust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 17:44:45.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 17:44:45.800 INFO blam! 90ca34ff7d590b7b84b7dbab3525d5d29d5a00543c8868ba47a9eb058ecfdf7f
Oct 31 17:44:45.802 INFO running `"docker" "start" "-a" "90ca34ff7d590b7b84b7dbab3525d5d29d5a00543c8868ba47a9eb058ecfdf7f"`
Oct 31 17:44:47.912 INFO kablam! usermod: no changes
Oct 31 17:44:47.976 INFO kablam!     Checking samples v0.1.0 (/source)
Oct 31 17:44:48.980 INFO kablam! warning: field is never used: `y`
Oct 31 17:44:48.981 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 31 17:44:48.981 INFO kablam!   |
Oct 31 17:44:48.982 INFO kablam! 3 |     y: &'b i32,
Oct 31 17:44:48.982 INFO kablam!   |     ^^^^^^^^^^
Oct 31 17:44:48.982 INFO kablam!   |
Oct 31 17:44:48.982 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 17:44:48.982 INFO kablam! 
Oct 31 17:44:49.976 INFO kablam! warning: unused import: `std::io::Result`
Oct 31 17:44:49.977 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 31 17:44:49.977 INFO kablam!   |
Oct 31 17:44:49.977 INFO kablam! 2 | use std::io::Result;
Oct 31 17:44:49.977 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 31 17:44:49.978 INFO kablam! warning: field is never used: `y`
Oct 31 17:44:49.978 INFO kablam!  --> src/bin/5_2_6_lifetime_parameter.rs:3:5
Oct 31 17:44:49.978 INFO kablam!   |
Oct 31 17:44:49.978 INFO kablam! 3 |     y: &'b i32,
Oct 31 17:44:49.978 INFO kablam!   |     ^^^^^^^^^^
Oct 31 17:44:49.979 INFO kablam!   |
Oct 31 17:44:49.980 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 17:44:49.980 INFO kablam! 
Oct 31 17:44:49.981 INFO kablam!   |
Oct 31 17:44:49.981 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 17:44:49.982 INFO kablam! 
Oct 31 17:44:50.349 INFO kablam! warning: unused variable: `t`
Oct 31 17:44:50.349 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 31 17:44:50.349 INFO kablam!   |
Oct 31 17:44:50.349 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 31 17:44:50.349 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 31 17:44:50.350 INFO kablam!   |
Oct 31 17:44:50.350 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 31 17:44:50.350 INFO kablam! 
Oct 31 17:44:50.351 INFO kablam! warning: unused variable: `u`
Oct 31 17:44:50.351 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 31 17:44:50.351 INFO kablam!    |
Oct 31 17:44:50.351 INFO kablam! 10 |     let u = s.clone();
Oct 31 17:44:50.351 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 31 17:44:50.351 INFO kablam! 
Oct 31 17:44:50.368 INFO kablam! warning: unused variable: `a_2`
Oct 31 17:44:50.368 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 31 17:44:50.368 INFO kablam! warning: variable does not need to be mutable
Oct 31 17:44:50.368 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 31 17:44:50.368 INFO kablam!   |
Oct 31 17:44:50.368 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 31 17:44:50.368 INFO kablam!   |         ----^
Oct 31 17:44:50.368 INFO kablam!   |         |
Oct 31 17:44:50.368 INFO kablam!   |         help: remove this `mut`
Oct 31 17:44:50.370 INFO kablam!   |
Oct 31 17:44:50.370 INFO kablam! 6 |     let a_2 = a;
Oct 31 17:44:50.370 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 31 17:44:50.371 INFO kablam!   |
Oct 31 17:44:50.371 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 31 17:44:50.371 INFO kablam! 
Oct 31 17:44:50.407 INFO kablam!   |
Oct 31 17:44:50.407 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 31 17:44:50.408 INFO kablam! 
Oct 31 17:44:50.560 INFO kablam! warning: unused variable: `aside`
Oct 31 17:44:50.560 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 31 17:44:50.560 INFO kablam!    |
Oct 31 17:44:50.560 INFO kablam! 11 |     let aside = v;
Oct 31 17:44:50.560 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 31 17:44:50.604 INFO kablam!    |
Oct 31 17:44:50.604 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 17:44:50.604 INFO kablam! 
Oct 31 17:44:50.604 INFO kablam! warning: unused variable: `r1`
Oct 31 17:44:50.604 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 31 17:44:50.604 INFO kablam!    |
Oct 31 17:44:50.604 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 31 17:44:50.604 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 31 17:44:50.604 INFO kablam! 
Oct 31 17:44:51.168 INFO kablam! warning: unused import: `std::io::Result`
Oct 31 17:44:51.169 INFO kablam!  --> src/bin/6_4_1_if_let.rs:2:5
Oct 31 17:44:51.169 INFO kablam!   |
Oct 31 17:44:51.169 INFO kablam! 2 | use std::io::Result;
Oct 31 17:44:51.169 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 31 17:44:51.172 INFO kablam!   |
Oct 31 17:44:51.173 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 17:44:51.173 INFO kablam! 
Oct 31 17:44:51.245 INFO kablam! warning: unused variable: `a_2`
Oct 31 17:44:51.246 INFO kablam!  --> src/bin/4_3_copy.rs:6:9
Oct 31 17:44:51.246 INFO kablam!   |
Oct 31 17:44:51.246 INFO kablam! 6 |     let a_2 = a;
Oct 31 17:44:51.247 INFO kablam!   |         ^^^ help: consider using `_a_2` instead
Oct 31 17:44:51.247 INFO kablam!   |
Oct 31 17:44:51.247 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 31 17:44:51.248 INFO kablam! 
Oct 31 17:44:51.612 INFO kablam! warning: unused variable: `t`
Oct 31 17:44:51.613 INFO kablam!  --> src/bin/4_4_rc_arc.rs:9:9
Oct 31 17:44:51.613 INFO kablam!   |
Oct 31 17:44:51.614 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 31 17:44:51.614 INFO kablam!   |         ^ help: consider using `_t` instead
Oct 31 17:44:51.615 INFO kablam!   |
Oct 31 17:44:51.615 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 31 17:44:51.616 INFO kablam! 
Oct 31 17:44:51.616 INFO kablam! warning: unused variable: `u`
Oct 31 17:44:51.617 INFO kablam!   --> src/bin/4_4_rc_arc.rs:10:9
Oct 31 17:44:51.617 INFO kablam!    |
Oct 31 17:44:51.618 INFO kablam! 10 |     let u = s.clone();
Oct 31 17:44:51.618 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 31 17:44:51.619 INFO kablam! 
Oct 31 17:44:51.652 INFO kablam! warning: variable does not need to be mutable
Oct 31 17:44:51.653 INFO kablam!  --> src/bin/4_4_rc_arc.rs:7:9
Oct 31 17:44:51.654 INFO kablam!   |
Oct 31 17:44:51.654 INFO kablam! 7 |     let mut s = Rc::new("hoge".to_string());
Oct 31 17:44:51.655 INFO kablam!   |         ----^
Oct 31 17:44:51.655 INFO kablam!   |         |
Oct 31 17:44:51.656 INFO kablam!   |         help: remove this `mut`
Oct 31 17:44:51.656 INFO kablam!   |
Oct 31 17:44:51.657 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 31 17:44:51.657 INFO kablam! 
Oct 31 17:44:51.812 INFO kablam! warning: unused variable: `aside`
Oct 31 17:44:51.812 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:11:9
Oct 31 17:44:51.813 INFO kablam!    |
Oct 31 17:44:51.813 INFO kablam! 11 |     let aside = v;
Oct 31 17:44:51.814 INFO kablam!    |         ^^^^^ help: consider using `_aside` instead
Oct 31 17:44:51.814 INFO kablam!    |
Oct 31 17:44:51.814 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 17:44:51.814 INFO kablam! 
Oct 31 17:44:51.815 INFO kablam! warning: unused variable: `r1`
Oct 31 17:44:51.815 INFO kablam!   --> src/bin/5_3_share_refenrence.rs:28:9
Oct 31 17:44:51.815 INFO kablam!    |
Oct 31 17:44:51.816 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 31 17:44:51.816 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 31 17:44:51.816 INFO kablam! 
Oct 31 17:44:51.966 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
Oct 31 17:44:51.971 INFO kablam! su: No module specific data is present
Oct 31 17:44:53.527 INFO running `"docker" "rm" "-f" "90ca34ff7d590b7b84b7dbab3525d5d29d5a00543c8868ba47a9eb058ecfdf7f"`
Oct 31 17:44:53.893 INFO blam! 90ca34ff7d590b7b84b7dbab3525d5d29d5a00543c8868ba47a9eb058ecfdf7f