Nov 09 17:14:02.466 INFO checking YoshikuniJujo/learn_rust against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 17:14:02.466 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 17:14:03.053 INFO blam! 642b818f03bb9959d8a2a9f9031737a1300030a14492a10cde7598472f129914
Nov 09 17:14:03.054 INFO running `"docker" "start" "-a" "642b818f03bb9959d8a2a9f9031737a1300030a14492a10cde7598472f129914"`
Nov 09 17:14:04.019 INFO kablam! usermod: no changes
Nov 09 17:14:04.101 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Nov 09 17:14:05.995 INFO kablam! warning: value assigned to `x` is never read
Nov 09 17:14:05.995 INFO kablam!  --> src/mutability.rs:9:10
Nov 09 17:14:05.995 INFO kablam!   |
Nov 09 17:14:05.995 INFO kablam! 9 |     let mut x = 5;
Nov 09 17:14:05.995 INFO kablam!   |             ^
Nov 09 17:14:06.006 INFO kablam!   |
Nov 09 17:14:06.006 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 09 17:14:06.006 INFO kablam! 
Nov 09 17:14:06.006 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 09 17:14:06.006 INFO kablam!   --> src/mutability.rs:13:10
Nov 09 17:14:06.006 INFO kablam!    |
Nov 09 17:14:06.006 INFO kablam! 13 |     let mut y = &mut x;
Nov 09 17:14:06.006 INFO kablam!    |             ^
Nov 09 17:14:06.006 INFO kablam!    |
Nov 09 17:14:06.006 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 17:14:06.006 INFO kablam!    = note: consider using `_y` instead
Nov 09 17:14:06.006 INFO kablam! 
Nov 09 17:14:06.006 INFO kablam! warning: value assigned to `y` is never read
Nov 09 17:14:06.006 INFO kablam!   --> src/mutability.rs:14:2
Nov 09 17:14:06.006 INFO kablam!    |
Nov 09 17:14:06.006 INFO kablam! 14 |     y = &mut z;
Nov 09 17:14:06.006 INFO kablam!    |     ^
Nov 09 17:14:06.006 INFO kablam! 
Nov 09 17:14:06.006 INFO kablam! warning: field is never used: `x`
Nov 09 17:14:06.006 INFO kablam!  --> src/mutability.rs:4:2
Nov 09 17:14:06.006 INFO kablam!   |
Nov 09 17:14:06.006 INFO kablam! 4 |     x: i32,
Nov 09 17:14:06.006 INFO kablam!   |     ^^^^^^
Nov 09 17:14:06.023 INFO kablam!   |
Nov 09 17:14:06.023 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 17:14:06.023 INFO kablam! 
Nov 09 17:14:06.415 INFO kablam! warning: function is never used: `foo`
Nov 09 17:14:06.415 INFO kablam!   --> src/ownership.rs:26:1
Nov 09 17:14:06.416 INFO kablam!    |
Nov 09 17:14:06.416 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 09 17:14:06.416 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:14:06.416 INFO kablam!    |
Nov 09 17:14:06.417 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 09 17:14:06.417 INFO kablam! 
Nov 09 17:14:09.600 INFO kablam! warning: function is never used: `foo`
Nov 09 17:14:09.601 INFO kablam!   --> src/ownership.rs:26:1
Nov 09 17:14:09.601 INFO kablam!    |
Nov 09 17:14:09.601 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 09 17:14:09.601 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:14:09.619 INFO kablam!    |
Nov 09 17:14:09.619 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 09 17:14:09.619 INFO kablam! 
Nov 09 17:14:11.610 INFO kablam! warning: value assigned to `x` is never read
Nov 09 17:14:11.610 INFO kablam!  --> src/mutability.rs:9:10
Nov 09 17:14:11.611 INFO kablam!   |
Nov 09 17:14:11.612 INFO kablam! 9 |     let mut x = 5;
Nov 09 17:14:11.612 INFO kablam!   |             ^
Nov 09 17:14:11.613 INFO kablam!   |
Nov 09 17:14:11.614 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 09 17:14:11.614 INFO kablam! 
Nov 09 17:14:11.615 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 09 17:14:11.615 INFO kablam!   --> src/mutability.rs:13:10
Nov 09 17:14:11.616 INFO kablam!    |
Nov 09 17:14:11.616 INFO kablam! 13 |     let mut y = &mut x;
Nov 09 17:14:11.617 INFO kablam!    |             ^
Nov 09 17:14:11.617 INFO kablam!    |
Nov 09 17:14:11.618 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 17:14:11.619 INFO kablam!    = note: consider using `_y` instead
Nov 09 17:14:11.619 INFO kablam! 
Nov 09 17:14:11.620 INFO kablam! warning: value assigned to `y` is never read
Nov 09 17:14:11.620 INFO kablam!   --> src/mutability.rs:14:2
Nov 09 17:14:11.620 INFO kablam!    |
Nov 09 17:14:11.620 INFO kablam! 14 |     y = &mut z;
Nov 09 17:14:11.620 INFO kablam!    |     ^
Nov 09 17:14:11.620 INFO kablam! 
Nov 09 17:14:11.620 INFO kablam! warning: field is never used: `x`
Nov 09 17:14:11.620 INFO kablam!  --> src/mutability.rs:4:2
Nov 09 17:14:11.620 INFO kablam!   |
Nov 09 17:14:11.620 INFO kablam! 4 |     x: i32,
Nov 09 17:14:11.620 INFO kablam!   |     ^^^^^^
Nov 09 17:14:11.620 INFO kablam!   |
Nov 09 17:14:11.620 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 17:14:11.620 INFO kablam! 
Nov 09 17:14:11.694 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.64s
Nov 09 17:14:11.702 INFO kablam! su: No module specific data is present
Nov 09 17:14:13.363 INFO running `"docker" "rm" "-f" "642b818f03bb9959d8a2a9f9031737a1300030a14492a10cde7598472f129914"`
Nov 09 17:14:13.655 INFO blam! 642b818f03bb9959d8a2a9f9031737a1300030a14492a10cde7598472f129914