Nov 01 09:22:35.616 INFO checking YoshikuniJujo/learn_rust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 09:22:35.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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"`
Nov 01 09:22:36.268 INFO blam! a8f7d9b71f7b44ea846eba23903b32d75933dbcf4213e38481324eef6c1e0809
Nov 01 09:22:36.284 INFO running `"docker" "start" "-a" "a8f7d9b71f7b44ea846eba23903b32d75933dbcf4213e38481324eef6c1e0809"`
Nov 01 09:22:37.588 INFO kablam! usermod: no changes
Nov 01 09:22:37.657 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Nov 01 09:22:39.760 INFO kablam! warning: value assigned to `x` is never read
Nov 01 09:22:39.760 INFO kablam!  --> src/mutability.rs:9:10
Nov 01 09:22:39.760 INFO kablam!   |
Nov 01 09:22:39.760 INFO kablam! 9 |     let mut x = 5;
Nov 01 09:22:39.760 INFO kablam!   |             ^
Nov 01 09:22:39.760 INFO kablam!   |
Nov 01 09:22:39.760 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 01 09:22:39.760 INFO kablam! 
Nov 01 09:22:39.760 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 01 09:22:39.760 INFO kablam!   --> src/mutability.rs:13:10
Nov 01 09:22:39.760 INFO kablam!    |
Nov 01 09:22:39.760 INFO kablam! 13 |     let mut y = &mut x;
Nov 01 09:22:39.760 INFO kablam!    |             ^
Nov 01 09:22:39.760 INFO kablam!    |
Nov 01 09:22:39.760 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 09:22:39.760 INFO kablam!    = note: consider using `_y` instead
Nov 01 09:22:39.760 INFO kablam! 
Nov 01 09:22:39.760 INFO kablam! warning: value assigned to `y` is never read
Nov 01 09:22:39.760 INFO kablam!   --> src/mutability.rs:14:2
Nov 01 09:22:39.760 INFO kablam!    |
Nov 01 09:22:39.760 INFO kablam! 14 |     y = &mut z;
Nov 01 09:22:39.760 INFO kablam!    |     ^
Nov 01 09:22:39.760 INFO kablam! 
Nov 01 09:22:39.780 INFO kablam! warning: field is never used: `x`
Nov 01 09:22:39.780 INFO kablam!  --> src/mutability.rs:4:2
Nov 01 09:22:39.780 INFO kablam!   |
Nov 01 09:22:39.780 INFO kablam! 4 |     x: i32,
Nov 01 09:22:39.780 INFO kablam!   |     ^^^^^^
Nov 01 09:22:39.780 INFO kablam!   |
Nov 01 09:22:39.780 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 09:22:39.780 INFO kablam! 
Nov 01 09:22:40.264 INFO kablam! warning: function is never used: `foo`
Nov 01 09:22:40.264 INFO kablam!   --> src/ownership.rs:26:1
Nov 01 09:22:40.264 INFO kablam!    |
Nov 01 09:22:40.264 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 01 09:22:40.264 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:22:40.264 INFO kablam!    |
Nov 01 09:22:40.264 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 09:22:40.264 INFO kablam! 
Nov 01 09:22:42.944 INFO kablam! warning: value assigned to `x` is never read
Nov 01 09:22:42.945 INFO kablam!  --> src/mutability.rs:9:10
Nov 01 09:22:42.945 INFO kablam!   |
Nov 01 09:22:42.945 INFO kablam! 9 |     let mut x = 5;
Nov 01 09:22:42.945 INFO kablam!   |             ^
Nov 01 09:22:42.945 INFO kablam!   |
Nov 01 09:22:42.945 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 01 09:22:42.945 INFO kablam! 
Nov 01 09:22:42.945 INFO kablam! warning: variable `y` is assigned to, but never used
Nov 01 09:22:42.945 INFO kablam!   --> src/mutability.rs:13:10
Nov 01 09:22:42.945 INFO kablam!    |
Nov 01 09:22:42.945 INFO kablam! 13 |     let mut y = &mut x;
Nov 01 09:22:42.945 INFO kablam!    |             ^
Nov 01 09:22:42.945 INFO kablam!    |
Nov 01 09:22:42.945 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 09:22:42.945 INFO kablam!    = note: consider using `_y` instead
Nov 01 09:22:42.945 INFO kablam! 
Nov 01 09:22:42.945 INFO kablam! warning: value assigned to `y` is never read
Nov 01 09:22:42.945 INFO kablam!   --> src/mutability.rs:14:2
Nov 01 09:22:42.945 INFO kablam!    |
Nov 01 09:22:42.945 INFO kablam! 14 |     y = &mut z;
Nov 01 09:22:42.945 INFO kablam!    |     ^
Nov 01 09:22:42.946 INFO kablam! 
Nov 01 09:22:42.960 INFO kablam! warning: field is never used: `x`
Nov 01 09:22:42.961 INFO kablam!  --> src/mutability.rs:4:2
Nov 01 09:22:42.961 INFO kablam!   |
Nov 01 09:22:42.961 INFO kablam! 4 |     x: i32,
Nov 01 09:22:42.961 INFO kablam!   |     ^^^^^^
Nov 01 09:22:42.962 INFO kablam!   |
Nov 01 09:22:42.968 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 09:22:42.968 INFO kablam! 
Nov 01 09:22:45.684 INFO kablam! warning: function is never used: `foo`
Nov 01 09:22:45.684 INFO kablam!   --> src/ownership.rs:26:1
Nov 01 09:22:45.684 INFO kablam!    |
Nov 01 09:22:45.684 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Nov 01 09:22:45.684 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:22:45.684 INFO kablam!    |
Nov 01 09:22:45.684 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 09:22:45.684 INFO kablam! 
Nov 01 09:22:46.025 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
Nov 01 09:22:46.035 INFO kablam! su: No module specific data is present
Nov 01 09:22:47.516 INFO running `"docker" "rm" "-f" "a8f7d9b71f7b44ea846eba23903b32d75933dbcf4213e38481324eef6c1e0809"`
Nov 01 09:22:47.792 INFO blam! a8f7d9b71f7b44ea846eba23903b32d75933dbcf4213e38481324eef6c1e0809