Nov 01 09:22:36.204 INFO checking YoshikuniJujo/learn_rust against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 09:22:36.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 09:22:36.589 INFO blam! 9658cb51d898d0ec65b9a129d0e3b1cf2ddbffca5849dab32cff228f3b7f93d5
Nov 01 09:22:36.597 INFO running `"docker" "start" "-a" "9658cb51d898d0ec65b9a129d0e3b1cf2ddbffca5849dab32cff228f3b7f93d5"`
Nov 01 09:22:38.063 INFO kablam! usermod: no changes
Nov 01 09:22:38.121 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Nov 01 09:22:39.836 INFO kablam! warning: value assigned to `x` is never read
Nov 01 09:22:39.836 INFO kablam!  --> src/mutability.rs:9:10
Nov 01 09:22:39.836 INFO kablam!   |
Nov 01 09:22:39.836 INFO kablam! 9 |     let mut x = 5;
Nov 01 09:22:39.836 INFO kablam!   |             ^
Nov 01 09:22:39.836 INFO kablam!   |
Nov 01 09:22:39.836 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 01 09:22:39.836 INFO kablam! 
Nov 01 09:22:39.836 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 01 09:22:39.836 INFO kablam!   --> src/mutability.rs:13:10
Nov 01 09:22:39.836 INFO kablam!    |
Nov 01 09:22:39.836 INFO kablam! 13 |     let mut y = &mut x;
Nov 01 09:22:39.836 INFO kablam!    |             ^
Nov 01 09:22:39.836 INFO kablam!    |
Nov 01 09:22:39.836 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 09:22:39.836 INFO kablam!    = note: consider using `_y` instead
Nov 01 09:22:39.836 INFO kablam! 
Nov 01 09:22:39.836 INFO kablam! warning: value assigned to `y` is never read
Nov 01 09:22:39.836 INFO kablam!   --> src/mutability.rs:14:2
Nov 01 09:22:39.836 INFO kablam!    |
Nov 01 09:22:39.836 INFO kablam! 14 |     y = &mut z;
Nov 01 09:22:39.837 INFO kablam!    |     ^
Nov 01 09:22:39.837 INFO kablam! 
Nov 01 09:22:39.864 INFO kablam! warning: field is never used: `x`
Nov 01 09:22:39.864 INFO kablam!  --> src/mutability.rs:4:2
Nov 01 09:22:39.864 INFO kablam!   |
Nov 01 09:22:39.864 INFO kablam! 4 |     x: i32,
Nov 01 09:22:39.864 INFO kablam!   |     ^^^^^^
Nov 01 09:22:39.864 INFO kablam!   |
Nov 01 09:22:39.864 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 09:22:39.864 INFO kablam! 
Nov 01 09:22:40.376 INFO kablam! warning: value assigned to `x` is never read
Nov 01 09:22:40.376 INFO kablam!  --> src/mutability.rs:9:10
Nov 01 09:22:40.376 INFO kablam!   |
Nov 01 09:22:40.376 INFO kablam! 9 |     let mut x = 5;
Nov 01 09:22:40.376 INFO kablam!   |             ^
Nov 01 09:22:40.376 INFO kablam!   |
Nov 01 09:22:40.376 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 01 09:22:40.376 INFO kablam! 
Nov 01 09:22:40.376 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 01 09:22:40.376 INFO kablam!   --> src/mutability.rs:13:10
Nov 01 09:22:40.376 INFO kablam!    |
Nov 01 09:22:40.376 INFO kablam! 13 |     let mut y = &mut x;
Nov 01 09:22:40.376 INFO kablam!    |             ^
Nov 01 09:22:40.376 INFO kablam!    |
Nov 01 09:22:40.376 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 09:22:40.376 INFO kablam!    = note: consider using `_y` instead
Nov 01 09:22:40.376 INFO kablam! 
Nov 01 09:22:40.376 INFO kablam! warning: value assigned to `y` is never read
Nov 01 09:22:40.376 INFO kablam!   --> src/mutability.rs:14:2
Nov 01 09:22:40.376 INFO kablam!    |
Nov 01 09:22:40.377 INFO kablam! 14 |     y = &mut z;
Nov 01 09:22:40.377 INFO kablam!    |     ^
Nov 01 09:22:40.377 INFO kablam! 
Nov 01 09:22:40.396 INFO kablam! warning: field is never used: `x`
Nov 01 09:22:40.396 INFO kablam!  --> src/mutability.rs:4:2
Nov 01 09:22:40.396 INFO kablam!   |
Nov 01 09:22:40.396 INFO kablam! 4 |     x: i32,
Nov 01 09:22:40.396 INFO kablam!   |     ^^^^^^
Nov 01 09:22:40.396 INFO kablam!   |
Nov 01 09:22:40.396 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 09:22:40.396 INFO kablam! 
Nov 01 09:22:45.612 INFO kablam! warning: function is never used: `foo`
Nov 01 09:22:45.613 INFO kablam!   --> src/ownership.rs:26:1
Nov 01 09:22:45.614 INFO kablam!    |
Nov 01 09:22:45.614 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 01 09:22:45.615 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:22:45.616 INFO kablam!    |
Nov 01 09:22:45.616 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 09:22:45.617 INFO kablam! 
Nov 01 09:22:46.720 INFO kablam! warning: function is never used: `foo`
Nov 01 09:22:46.720 INFO kablam!   --> src/ownership.rs:26:1
Nov 01 09:22:46.720 INFO kablam!    |
Nov 01 09:22:46.720 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 01 09:22:46.720 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:22:46.720 INFO kablam!    |
Nov 01 09:22:46.720 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 09:22:46.720 INFO kablam! 
Nov 01 09:22:47.309 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
Nov 01 09:22:47.322 INFO kablam! su: No module specific data is present
Nov 01 09:22:48.027 INFO running `"docker" "rm" "-f" "9658cb51d898d0ec65b9a129d0e3b1cf2ddbffca5849dab32cff228f3b7f93d5"`
Nov 01 09:22:48.364 INFO blam! 9658cb51d898d0ec65b9a129d0e3b1cf2ddbffca5849dab32cff228f3b7f93d5