Oct 27 09:02:45.333 INFO checking YoshikuniJujo/learn_rust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 09:02:45.334 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 09:02:45.807 INFO blam! 917e3eeba029421f0f2b1abaebb2a9c20e04c56b7acf72401a03f6958b587167
Oct 27 09:02:45.823 INFO running `"docker" "start" "-a" "917e3eeba029421f0f2b1abaebb2a9c20e04c56b7acf72401a03f6958b587167"`
Oct 27 09:02:46.914 INFO kablam! usermod: no changes
Oct 27 09:02:46.979 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Oct 27 09:02:50.223 INFO kablam! warning: value assigned to `x` is never read
Oct 27 09:02:50.223 INFO kablam!  --> src/mutability.rs:9:10
Oct 27 09:02:50.224 INFO kablam!   |
Oct 27 09:02:50.224 INFO kablam! 9 |     let mut x = 5;
Oct 27 09:02:50.225 INFO kablam!   |             ^
Oct 27 09:02:50.225 INFO kablam!   |
Oct 27 09:02:50.225 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 27 09:02:50.225 INFO kablam! 
Oct 27 09:02:50.225 INFO kablam! warning: variable `y` is assigned to, but never used
Oct 27 09:02:50.225 INFO kablam!   --> src/mutability.rs:13:10
Oct 27 09:02:50.225 INFO kablam!    |
Oct 27 09:02:50.225 INFO kablam! 13 |     let mut y = &mut x;
Oct 27 09:02:50.225 INFO kablam!    |             ^
Oct 27 09:02:50.226 INFO kablam!    |
Oct 27 09:02:50.226 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 09:02:50.226 INFO kablam!    = note: consider using `_y` instead
Oct 27 09:02:50.226 INFO kablam! 
Oct 27 09:02:50.226 INFO kablam! warning: value assigned to `y` is never read
Oct 27 09:02:50.226 INFO kablam!   --> src/mutability.rs:14:2
Oct 27 09:02:50.226 INFO kablam!    |
Oct 27 09:02:50.226 INFO kablam! 14 |     y = &mut z;
Oct 27 09:02:50.226 INFO kablam!    |     ^
Oct 27 09:02:50.226 INFO kablam! 
Oct 27 09:02:50.226 INFO kablam! warning: field is never used: `x`
Oct 27 09:02:50.226 INFO kablam!  --> src/mutability.rs:4:2
Oct 27 09:02:50.226 INFO kablam!   |
Oct 27 09:02:50.226 INFO kablam! 4 |     x: i32,
Oct 27 09:02:50.226 INFO kablam!   |     ^^^^^^
Oct 27 09:02:50.226 INFO kablam!   |
Oct 27 09:02:50.226 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 09:02:50.227 INFO kablam! 
Oct 27 09:02:53.811 INFO kablam! warning: function is never used: `foo`
Oct 27 09:02:53.812 INFO kablam!   --> src/ownership.rs:26:1
Oct 27 09:02:53.812 INFO kablam!    |
Oct 27 09:02:53.813 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Oct 27 09:02:53.814 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:02:53.819 INFO kablam!    |
Oct 27 09:02:53.820 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 09:02:53.820 INFO kablam! 
Oct 27 09:02:53.889 INFO kablam! warning: function is never used: `foo`
Oct 27 09:02:53.889 INFO kablam!   --> src/ownership.rs:26:1
Oct 27 09:02:53.890 INFO kablam!    |
Oct 27 09:02:53.891 INFO kablam! 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Oct 27 09:02:53.891 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:02:53.899 INFO kablam!    |
Oct 27 09:02:53.900 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 09:02:53.901 INFO kablam! 
Oct 27 09:02:54.327 INFO kablam! warning: value assigned to `x` is never read
Oct 27 09:02:54.327 INFO kablam!  --> src/mutability.rs:9:10
Oct 27 09:02:54.328 INFO kablam!   |
Oct 27 09:02:54.329 INFO kablam! 9 |     let mut x = 5;
Oct 27 09:02:54.329 INFO kablam!   |             ^
Oct 27 09:02:54.343 INFO kablam!   |
Oct 27 09:02:54.344 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Oct 27 09:02:54.344 INFO kablam! 
Oct 27 09:02:54.345 INFO kablam! warning: variable `y` is assigned to, but never used
Oct 27 09:02:54.346 INFO kablam!   --> src/mutability.rs:13:10
Oct 27 09:02:54.346 INFO kablam!    |
Oct 27 09:02:54.347 INFO kablam! 13 |     let mut y = &mut x;
Oct 27 09:02:54.348 INFO kablam!    |             ^
Oct 27 09:02:54.348 INFO kablam!    |
Oct 27 09:02:54.349 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 09:02:54.349 INFO kablam!    = note: consider using `_y` instead
Oct 27 09:02:54.350 INFO kablam! 
Oct 27 09:02:54.351 INFO kablam! warning: value assigned to `y` is never read
Oct 27 09:02:54.351 INFO kablam!   --> src/mutability.rs:14:2
Oct 27 09:02:54.352 INFO kablam!    |
Oct 27 09:02:54.353 INFO kablam! 14 |     y = &mut z;
Oct 27 09:02:54.353 INFO kablam!    |     ^
Oct 27 09:02:54.355 INFO kablam! 
Oct 27 09:02:54.363 INFO kablam! warning: field is never used: `x`
Oct 27 09:02:54.363 INFO kablam!  --> src/mutability.rs:4:2
Oct 27 09:02:54.364 INFO kablam!   |
Oct 27 09:02:54.365 INFO kablam! 4 |     x: i32,
Oct 27 09:02:54.365 INFO kablam!   |     ^^^^^^
Oct 27 09:02:54.366 INFO kablam!   |
Oct 27 09:02:54.367 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 09:02:54.367 INFO kablam! 
Oct 27 09:02:55.867 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
Oct 27 09:02:55.876 INFO kablam! su: No module specific data is present
Oct 27 09:02:57.531 INFO running `"docker" "rm" "-f" "917e3eeba029421f0f2b1abaebb2a9c20e04c56b7acf72401a03f6958b587167"`
Oct 27 09:02:57.879 INFO blam! 917e3eeba029421f0f2b1abaebb2a9c20e04c56b7acf72401a03f6958b587167