Dec 12 03:19:15.647 INFO checking DaRavenox/Rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:19:15.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 03:19:19.108 INFO [stdout] 03be1954e20b36f5363f8b325c64fd857bed8bfeb0908483664223f25d36a7ff
Dec 12 03:19:19.113 INFO running `"docker" "start" "-a" "03be1954e20b36f5363f8b325c64fd857bed8bfeb0908483664223f25d36a7ff"`
Dec 12 03:19:19.519 INFO [stderr] usermod: no changes
Dec 12 03:19:19.558 INFO [stderr]     Checking hello_rust v0.0.1 (/source)
Dec 12 03:19:20.236 INFO [stderr] warning: unused variable: `y`
Dec 12 03:19:20.237 INFO [stderr]  --> src/main.rs:3:12
Dec 12 03:19:20.237 INFO [stderr]   |
Dec 12 03:19:20.237 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 12 03:19:20.237 INFO [stderr]   |               ^ help: consider using `_y` instead
Dec 12 03:19:20.237 INFO [stderr]   |
Dec 12 03:19:20.237 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 03:19:20.237 INFO [stderr] 
Dec 12 03:19:20.237 INFO [stderr] warning: unused variable: `z`
Dec 12 03:19:20.238 INFO [stderr]  --> src/main.rs:4:8
Dec 12 03:19:20.238 INFO [stderr]   |
Dec 12 03:19:20.238 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Dec 12 03:19:20.238 INFO [stderr]   |           ^ help: consider using `_z` instead
Dec 12 03:19:20.238 INFO [stderr] 
Dec 12 03:19:20.238 INFO [stderr] warning: unused variable: `y`
Dec 12 03:19:20.238 INFO [stderr]   --> src/main.rs:66:27
Dec 12 03:19:20.238 INFO [stderr]    |
Dec 12 03:19:20.238 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 12 03:19:20.238 INFO [stderr]    |                           ^ help: consider using `_y` instead
Dec 12 03:19:20.238 INFO [stderr] 
Dec 12 03:19:20.238 INFO [stderr] warning: unused variable: `z`
Dec 12 03:19:20.244 INFO [stderr]   --> src/main.rs:66:35
Dec 12 03:19:20.244 INFO [stderr]    |
Dec 12 03:19:20.244 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 12 03:19:20.244 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Dec 12 03:19:20.244 INFO [stderr] 
Dec 12 03:19:20.244 INFO [stderr] warning: unused variable: `x`
Dec 12 03:19:20.244 INFO [stderr]   --> src/main.rs:78:13
Dec 12 03:19:20.244 INFO [stderr]    |
Dec 12 03:19:20.244 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 12 03:19:20.244 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 03:19:20.244 INFO [stderr] 
Dec 12 03:19:20.244 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:19:20.244 INFO [stderr]  --> src/main.rs:3:8
Dec 12 03:19:20.244 INFO [stderr]   |
Dec 12 03:19:20.244 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 12 03:19:20.244 INFO [stderr]   |           ----^
Dec 12 03:19:20.244 INFO [stderr]   |           |
Dec 12 03:19:20.244 INFO [stderr]   |           help: remove this `mut`
Dec 12 03:19:20.244 INFO [stderr]   |
Dec 12 03:19:20.244 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 03:19:20.244 INFO [stderr] 
Dec 12 03:19:20.244 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:19:20.244 INFO [stderr]   --> src/main.rs:18:9
Dec 12 03:19:20.244 INFO [stderr]    |
Dec 12 03:19:20.244 INFO [stderr] 18 |           let mut x = 7;
Dec 12 03:19:20.245 INFO [stderr]    |               ----^
Dec 12 03:19:20.245 INFO [stderr]    |               |
Dec 12 03:19:20.245 INFO [stderr]    |               help: remove this `mut`
Dec 12 03:19:20.245 INFO [stderr] 
Dec 12 03:19:20.258 INFO [stderr] warning: function is never used: `diverges`
Dec 12 03:19:20.258 INFO [stderr]   --> src/main.rs:78:1
Dec 12 03:19:20.258 INFO [stderr]    |
Dec 12 03:19:20.258 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 12 03:19:20.258 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:19:20.258 INFO [stderr]    |
Dec 12 03:19:20.258 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:19:20.258 INFO [stderr] 
Dec 12 03:19:20.259 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Dec 12 03:19:20.259 INFO [stderr]    --> src/main.rs:229:1
Dec 12 03:19:20.259 INFO [stderr]     |
Dec 12 03:19:20.259 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Dec 12 03:19:20.259 INFO [stderr] 230 | |     v1[2] = 2;
Dec 12 03:19:20.259 INFO [stderr] 231 | |     v2[2] = 2;
Dec 12 03:19:20.259 INFO [stderr] 232 | | }
Dec 12 03:19:20.259 INFO [stderr]     | |_^
Dec 12 03:19:20.259 INFO [stderr]     |
Dec 12 03:19:20.259 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 12 03:19:20.259 INFO [stderr] 
Dec 12 03:19:20.440 INFO [stderr] warning: unused variable: `y`
Dec 12 03:19:20.440 INFO [stderr]  --> src/main.rs:3:12
Dec 12 03:19:20.440 INFO [stderr]   |
Dec 12 03:19:20.440 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 12 03:19:20.440 INFO [stderr]   |               ^ help: consider using `_y` instead
Dec 12 03:19:20.440 INFO [stderr]   |
Dec 12 03:19:20.441 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 03:19:20.441 INFO [stderr] 
Dec 12 03:19:20.441 INFO [stderr] warning: unused variable: `z`
Dec 12 03:19:20.441 INFO [stderr]  --> src/main.rs:4:8
Dec 12 03:19:20.441 INFO [stderr]   |
Dec 12 03:19:20.441 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Dec 12 03:19:20.442 INFO [stderr]   |           ^ help: consider using `_z` instead
Dec 12 03:19:20.442 INFO [stderr] 
Dec 12 03:19:20.442 INFO [stderr] warning: unused variable: `y`
Dec 12 03:19:20.442 INFO [stderr]   --> src/main.rs:66:27
Dec 12 03:19:20.442 INFO [stderr]    |
Dec 12 03:19:20.442 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 12 03:19:20.442 INFO [stderr]    |                           ^ help: consider using `_y` instead
Dec 12 03:19:20.443 INFO [stderr] 
Dec 12 03:19:20.443 INFO [stderr] warning: unused variable: `z`
Dec 12 03:19:20.443 INFO [stderr]   --> src/main.rs:66:35
Dec 12 03:19:20.443 INFO [stderr]    |
Dec 12 03:19:20.443 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 12 03:19:20.443 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Dec 12 03:19:20.443 INFO [stderr] 
Dec 12 03:19:20.443 INFO [stderr] warning: unused variable: `x`
Dec 12 03:19:20.443 INFO [stderr]   --> src/main.rs:78:13
Dec 12 03:19:20.443 INFO [stderr]    |
Dec 12 03:19:20.443 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 12 03:19:20.443 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 03:19:20.444 INFO [stderr] 
Dec 12 03:19:20.444 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:19:20.444 INFO [stderr]  --> src/main.rs:3:8
Dec 12 03:19:20.444 INFO [stderr]   |
Dec 12 03:19:20.444 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 12 03:19:20.444 INFO [stderr]   |           ----^
Dec 12 03:19:20.444 INFO [stderr]   |           |
Dec 12 03:19:20.444 INFO [stderr]   |           help: remove this `mut`
Dec 12 03:19:20.444 INFO [stderr]   |
Dec 12 03:19:20.444 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 03:19:20.444 INFO [stderr] 
Dec 12 03:19:20.444 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:19:20.444 INFO [stderr]   --> src/main.rs:18:9
Dec 12 03:19:20.444 INFO [stderr]    |
Dec 12 03:19:20.445 INFO [stderr] 18 |           let mut x = 7;
Dec 12 03:19:20.445 INFO [stderr]    |               ----^
Dec 12 03:19:20.445 INFO [stderr]    |               |
Dec 12 03:19:20.445 INFO [stderr]    |               help: remove this `mut`
Dec 12 03:19:20.445 INFO [stderr] 
Dec 12 03:19:20.460 INFO [stderr] warning: function is never used: `diverges`
Dec 12 03:19:20.460 INFO [stderr]   --> src/main.rs:78:1
Dec 12 03:19:20.461 INFO [stderr]    |
Dec 12 03:19:20.461 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 12 03:19:20.461 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:19:20.461 INFO [stderr]    |
Dec 12 03:19:20.461 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:19:20.461 INFO [stderr] 
Dec 12 03:19:20.461 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Dec 12 03:19:20.462 INFO [stderr]    --> src/main.rs:229:1
Dec 12 03:19:20.462 INFO [stderr]     |
Dec 12 03:19:20.462 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Dec 12 03:19:20.462 INFO [stderr] 230 | |     v1[2] = 2;
Dec 12 03:19:20.462 INFO [stderr] 231 | |     v2[2] = 2;
Dec 12 03:19:20.462 INFO [stderr] 232 | | }
Dec 12 03:19:20.462 INFO [stderr]     | |_^
Dec 12 03:19:20.463 INFO [stderr]     |
Dec 12 03:19:20.463 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 12 03:19:20.463 INFO [stderr] 
Dec 12 03:19:20.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 12 03:19:20.469 INFO [stderr] su: No module specific data is present
Dec 12 03:19:21.058 INFO running `"docker" "inspect" "03be1954e20b36f5363f8b325c64fd857bed8bfeb0908483664223f25d36a7ff"`
Dec 12 03:19:21.173 INFO running `"docker" "rm" "-f" "03be1954e20b36f5363f8b325c64fd857bed8bfeb0908483664223f25d36a7ff"`
Dec 12 03:19:21.292 INFO [stdout] 03be1954e20b36f5363f8b325c64fd857bed8bfeb0908483664223f25d36a7ff