Nov 30 11:32:24.868 INFO checking DaRavenox/Rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:32:24.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 11:32:27.515 INFO [stdout] a5a7a1c9e60641cf42cd9501a3a6f4ebf4f1287ece7d9471b1eb251a32d6acd5
Nov 30 11:32:27.517 INFO running `"docker" "start" "-a" "a5a7a1c9e60641cf42cd9501a3a6f4ebf4f1287ece7d9471b1eb251a32d6acd5"`
Nov 30 11:32:27.995 INFO [stderr] usermod: no changes
Nov 30 11:32:28.022 INFO [stderr]     Checking hello_rust v0.0.1 (/source)
Nov 30 11:32:28.490 INFO [stderr] warning: unused variable: `y`
Nov 30 11:32:28.490 INFO [stderr]  --> src/main.rs:3:12
Nov 30 11:32:28.490 INFO [stderr]   |
Nov 30 11:32:28.490 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Nov 30 11:32:28.490 INFO [stderr]   |               ^ help: consider using `_y` instead
Nov 30 11:32:28.490 INFO [stderr]   |
Nov 30 11:32:28.490 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:32:28.490 INFO [stderr] 
Nov 30 11:32:28.490 INFO [stderr] warning: unused variable: `z`
Nov 30 11:32:28.490 INFO [stderr]  --> src/main.rs:4:8
Nov 30 11:32:28.490 INFO [stderr]   |
Nov 30 11:32:28.490 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Nov 30 11:32:28.490 INFO [stderr]   |           ^ help: consider using `_z` instead
Nov 30 11:32:28.490 INFO [stderr] 
Nov 30 11:32:28.490 INFO [stderr] warning: unused variable: `y`
Nov 30 11:32:28.490 INFO [stderr]   --> src/main.rs:66:27
Nov 30 11:32:28.490 INFO [stderr]    |
Nov 30 11:32:28.490 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Nov 30 11:32:28.490 INFO [stderr]    |                           ^ help: consider using `_y` instead
Nov 30 11:32:28.490 INFO [stderr] 
Nov 30 11:32:28.490 INFO [stderr] warning: unused variable: `z`
Nov 30 11:32:28.490 INFO [stderr]   --> src/main.rs:66:35
Nov 30 11:32:28.490 INFO [stderr]    |
Nov 30 11:32:28.490 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Nov 30 11:32:28.490 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Nov 30 11:32:28.490 INFO [stderr] 
Nov 30 11:32:28.490 INFO [stderr] warning: unused variable: `x`
Nov 30 11:32:28.490 INFO [stderr]   --> src/main.rs:78:13
Nov 30 11:32:28.490 INFO [stderr]    |
Nov 30 11:32:28.490 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Nov 30 11:32:28.490 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 30 11:32:28.490 INFO [stderr] 
Nov 30 11:32:28.499 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:32:28.499 INFO [stderr]  --> src/main.rs:3:8
Nov 30 11:32:28.499 INFO [stderr]   |
Nov 30 11:32:28.499 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Nov 30 11:32:28.499 INFO [stderr]   |           ----^
Nov 30 11:32:28.499 INFO [stderr]   |           |
Nov 30 11:32:28.499 INFO [stderr]   |           help: remove this `mut`
Nov 30 11:32:28.499 INFO [stderr]   |
Nov 30 11:32:28.499 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 30 11:32:28.499 INFO [stderr] 
Nov 30 11:32:28.499 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:32:28.499 INFO [stderr]   --> src/main.rs:18:9
Nov 30 11:32:28.499 INFO [stderr]    |
Nov 30 11:32:28.499 INFO [stderr] 18 |           let mut x = 7;
Nov 30 11:32:28.499 INFO [stderr]    |               ----^
Nov 30 11:32:28.499 INFO [stderr]    |               |
Nov 30 11:32:28.499 INFO [stderr]    |               help: remove this `mut`
Nov 30 11:32:28.499 INFO [stderr] 
Nov 30 11:32:28.514 INFO [stderr] warning: function is never used: `diverges`
Nov 30 11:32:28.514 INFO [stderr]   --> src/main.rs:78:1
Nov 30 11:32:28.514 INFO [stderr]    |
Nov 30 11:32:28.514 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Nov 30 11:32:28.514 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:28.514 INFO [stderr]    |
Nov 30 11:32:28.514 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 11:32:28.514 INFO [stderr] 
Nov 30 11:32:28.514 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Nov 30 11:32:28.514 INFO [stderr]    --> src/main.rs:229:1
Nov 30 11:32:28.514 INFO [stderr]     |
Nov 30 11:32:28.514 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Nov 30 11:32:28.514 INFO [stderr] 230 | |     v1[2] = 2;
Nov 30 11:32:28.514 INFO [stderr] 231 | |     v2[2] = 2;
Nov 30 11:32:28.514 INFO [stderr] 232 | | }
Nov 30 11:32:28.514 INFO [stderr]     | |_^
Nov 30 11:32:28.514 INFO [stderr]     |
Nov 30 11:32:28.514 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 30 11:32:28.514 INFO [stderr] 
Nov 30 11:32:28.540 INFO [stderr] warning: unused variable: `y`
Nov 30 11:32:28.540 INFO [stderr]  --> src/main.rs:3:12
Nov 30 11:32:28.540 INFO [stderr]   |
Nov 30 11:32:28.540 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Nov 30 11:32:28.540 INFO [stderr]   |               ^ help: consider using `_y` instead
Nov 30 11:32:28.540 INFO [stderr]   |
Nov 30 11:32:28.540 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 11:32:28.540 INFO [stderr] 
Nov 30 11:32:28.540 INFO [stderr] warning: unused variable: `z`
Nov 30 11:32:28.540 INFO [stderr]  --> src/main.rs:4:8
Nov 30 11:32:28.540 INFO [stderr]   |
Nov 30 11:32:28.540 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Nov 30 11:32:28.540 INFO [stderr]   |           ^ help: consider using `_z` instead
Nov 30 11:32:28.540 INFO [stderr] 
Nov 30 11:32:28.540 INFO [stderr] warning: unused variable: `y`
Nov 30 11:32:28.540 INFO [stderr]   --> src/main.rs:66:27
Nov 30 11:32:28.540 INFO [stderr]    |
Nov 30 11:32:28.540 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Nov 30 11:32:28.540 INFO [stderr]    |                           ^ help: consider using `_y` instead
Nov 30 11:32:28.540 INFO [stderr] 
Nov 30 11:32:28.540 INFO [stderr] warning: unused variable: `z`
Nov 30 11:32:28.540 INFO [stderr]   --> src/main.rs:66:35
Nov 30 11:32:28.540 INFO [stderr]    |
Nov 30 11:32:28.540 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Nov 30 11:32:28.540 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Nov 30 11:32:28.540 INFO [stderr] 
Nov 30 11:32:28.540 INFO [stderr] warning: unused variable: `x`
Nov 30 11:32:28.540 INFO [stderr]   --> src/main.rs:78:13
Nov 30 11:32:28.540 INFO [stderr]    |
Nov 30 11:32:28.540 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Nov 30 11:32:28.540 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 30 11:32:28.540 INFO [stderr] 
Nov 30 11:32:28.549 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:32:28.549 INFO [stderr]  --> src/main.rs:3:8
Nov 30 11:32:28.549 INFO [stderr]   |
Nov 30 11:32:28.549 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Nov 30 11:32:28.549 INFO [stderr]   |           ----^
Nov 30 11:32:28.549 INFO [stderr]   |           |
Nov 30 11:32:28.549 INFO [stderr]   |           help: remove this `mut`
Nov 30 11:32:28.549 INFO [stderr]   |
Nov 30 11:32:28.549 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 30 11:32:28.549 INFO [stderr] 
Nov 30 11:32:28.549 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:32:28.549 INFO [stderr]   --> src/main.rs:18:9
Nov 30 11:32:28.549 INFO [stderr]    |
Nov 30 11:32:28.549 INFO [stderr] 18 |           let mut x = 7;
Nov 30 11:32:28.549 INFO [stderr]    |               ----^
Nov 30 11:32:28.549 INFO [stderr]    |               |
Nov 30 11:32:28.549 INFO [stderr]    |               help: remove this `mut`
Nov 30 11:32:28.549 INFO [stderr] 
Nov 30 11:32:28.563 INFO [stderr] warning: function is never used: `diverges`
Nov 30 11:32:28.563 INFO [stderr]   --> src/main.rs:78:1
Nov 30 11:32:28.563 INFO [stderr]    |
Nov 30 11:32:28.563 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Nov 30 11:32:28.563 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 11:32:28.563 INFO [stderr]    |
Nov 30 11:32:28.563 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 11:32:28.563 INFO [stderr] 
Nov 30 11:32:28.564 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Nov 30 11:32:28.564 INFO [stderr]    --> src/main.rs:229:1
Nov 30 11:32:28.564 INFO [stderr]     |
Nov 30 11:32:28.564 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Nov 30 11:32:28.564 INFO [stderr] 230 | |     v1[2] = 2;
Nov 30 11:32:28.564 INFO [stderr] 231 | |     v2[2] = 2;
Nov 30 11:32:28.564 INFO [stderr] 232 | | }
Nov 30 11:32:28.564 INFO [stderr]     | |_^
Nov 30 11:32:28.564 INFO [stderr]     |
Nov 30 11:32:28.564 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 30 11:32:28.564 INFO [stderr] 
Nov 30 11:32:28.577 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Nov 30 11:32:28.579 INFO [stderr] su: No module specific data is present
Nov 30 11:32:29.749 INFO running `"docker" "inspect" "a5a7a1c9e60641cf42cd9501a3a6f4ebf4f1287ece7d9471b1eb251a32d6acd5"`
Nov 30 11:32:29.825 INFO running `"docker" "rm" "-f" "a5a7a1c9e60641cf42cd9501a3a6f4ebf4f1287ece7d9471b1eb251a32d6acd5"`
Nov 30 11:32:29.960 INFO [stdout] a5a7a1c9e60641cf42cd9501a3a6f4ebf4f1287ece7d9471b1eb251a32d6acd5