Nov 04 11:03:18.372 INFO checking YoshikuniJujo/learn_rust against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 11:03:18.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 11:03:18.803 INFO blam! 87d982fae9b15d1fc0519013ef421fb66738fa11d69fcac06a0dde09e6f42d3f
Nov 04 11:03:18.807 INFO running `"docker" "start" "-a" "87d982fae9b15d1fc0519013ef421fb66738fa11d69fcac06a0dde09e6f42d3f"`
Nov 04 11:03:20.167 INFO kablam! usermod: no changes
Nov 04 11:03:20.219 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Nov 04 11:03:20.919 INFO kablam! warning: function is never used: `foo`
Nov 04 11:03:20.919 INFO kablam!   --> src/ownership.rs:26:1
Nov 04 11:03:20.919 INFO kablam!    |
Nov 04 11:03:20.919 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 04 11:03:20.919 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 11:03:20.935 INFO kablam!    |
Nov 04 11:03:20.935 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 11:03:20.935 INFO kablam! 
Nov 04 11:03:24.423 INFO kablam! warning: function is never used: `foo`
Nov 04 11:03:24.424 INFO kablam!   --> src/ownership.rs:26:1
Nov 04 11:03:24.425 INFO kablam!    |
Nov 04 11:03:24.425 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 04 11:03:24.426 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 11:03:24.427 INFO kablam!    |
Nov 04 11:03:24.427 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 11:03:24.428 INFO kablam! 
Nov 04 11:03:27.127 INFO kablam! warning: value assigned to `x` is never read
Nov 04 11:03:27.127 INFO kablam!  --> src/mutability.rs:9:10
Nov 04 11:03:27.127 INFO kablam!   |
Nov 04 11:03:27.127 INFO kablam! 9 |     let mut x = 5;
Nov 04 11:03:27.127 INFO kablam!   |             ^
Nov 04 11:03:27.155 INFO kablam!   |
Nov 04 11:03:27.155 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 04 11:03:27.155 INFO kablam! 
Nov 04 11:03:27.155 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 04 11:03:27.155 INFO kablam!   --> src/mutability.rs:13:10
Nov 04 11:03:27.155 INFO kablam!    |
Nov 04 11:03:27.155 INFO kablam! 13 |     let mut y = &mut x;
Nov 04 11:03:27.155 INFO kablam!    |             ^
Nov 04 11:03:27.155 INFO kablam!    |
Nov 04 11:03:27.155 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 11:03:27.155 INFO kablam!    = note: consider using `_y` instead
Nov 04 11:03:27.155 INFO kablam! 
Nov 04 11:03:27.155 INFO kablam! warning: value assigned to `y` is never read
Nov 04 11:03:27.155 INFO kablam!   --> src/mutability.rs:14:2
Nov 04 11:03:27.155 INFO kablam!    |
Nov 04 11:03:27.155 INFO kablam! 14 |     y = &mut z;
Nov 04 11:03:27.155 INFO kablam!    |     ^
Nov 04 11:03:27.155 INFO kablam! 
Nov 04 11:03:27.155 INFO kablam! warning: field is never used: `x`
Nov 04 11:03:27.155 INFO kablam!  --> src/mutability.rs:4:2
Nov 04 11:03:27.155 INFO kablam!   |
Nov 04 11:03:27.155 INFO kablam! 4 |     x: i32,
Nov 04 11:03:27.155 INFO kablam!   |     ^^^^^^
Nov 04 11:03:27.179 INFO kablam!   |
Nov 04 11:03:27.179 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 11:03:27.179 INFO kablam! 
Nov 04 11:03:27.931 INFO kablam! warning: value assigned to `x` is never read
Nov 04 11:03:27.932 INFO kablam!  --> src/mutability.rs:9:10
Nov 04 11:03:27.932 INFO kablam!   |
Nov 04 11:03:27.933 INFO kablam! 9 |     let mut x = 5;
Nov 04 11:03:27.934 INFO kablam!   |             ^
Nov 04 11:03:27.934 INFO kablam!   |
Nov 04 11:03:27.935 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 04 11:03:27.935 INFO kablam! 
Nov 04 11:03:27.936 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 04 11:03:27.936 INFO kablam!   --> src/mutability.rs:13:10
Nov 04 11:03:27.937 INFO kablam!    |
Nov 04 11:03:27.938 INFO kablam! 13 |     let mut y = &mut x;
Nov 04 11:03:27.938 INFO kablam!    |             ^
Nov 04 11:03:27.939 INFO kablam!    |
Nov 04 11:03:27.939 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 11:03:27.940 INFO kablam!    = note: consider using `_y` instead
Nov 04 11:03:27.940 INFO kablam! 
Nov 04 11:03:27.941 INFO kablam! warning: value assigned to `y` is never read
Nov 04 11:03:27.942 INFO kablam!   --> src/mutability.rs:14:2
Nov 04 11:03:27.942 INFO kablam!    |
Nov 04 11:03:27.942 INFO kablam! 14 |     y = &mut z;
Nov 04 11:03:27.942 INFO kablam!    |     ^
Nov 04 11:03:27.942 INFO kablam! 
Nov 04 11:03:27.942 INFO kablam! warning: field is never used: `x`
Nov 04 11:03:27.942 INFO kablam!  --> src/mutability.rs:4:2
Nov 04 11:03:27.942 INFO kablam!   |
Nov 04 11:03:27.942 INFO kablam! 4 |     x: i32,
Nov 04 11:03:27.942 INFO kablam!   |     ^^^^^^
Nov 04 11:03:27.942 INFO kablam!   |
Nov 04 11:03:27.942 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 11:03:27.942 INFO kablam! 
Nov 04 11:03:28.054 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
Nov 04 11:03:28.071 INFO kablam! su: No module specific data is present
Nov 04 11:03:29.243 INFO running `"docker" "rm" "-f" "87d982fae9b15d1fc0519013ef421fb66738fa11d69fcac06a0dde09e6f42d3f"`
Nov 04 11:03:29.535 INFO blam! 87d982fae9b15d1fc0519013ef421fb66738fa11d69fcac06a0dde09e6f42d3f