Dec 05 02:56:22.093 INFO checking DaRavenox/Rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:56:22.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 02:56:26.326 INFO [stdout] b3119959e6db9b1b94d9ab33cede6718a1249bd5d19fdcf48ab3229d557cf2ea
Dec 05 02:56:26.328 INFO running `"docker" "start" "-a" "b3119959e6db9b1b94d9ab33cede6718a1249bd5d19fdcf48ab3229d557cf2ea"`
Dec 05 02:56:26.986 INFO [stderr] usermod: no changes
Dec 05 02:56:27.014 INFO [stderr]     Checking hello_rust v0.0.1 (/source)
Dec 05 02:56:27.439 INFO [stderr] warning: unused variable: `y`
Dec 05 02:56:27.439 INFO [stderr]  --> src/main.rs:3:12
Dec 05 02:56:27.439 INFO [stderr]   |
Dec 05 02:56:27.439 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 05 02:56:27.439 INFO [stderr]   |               ^ help: consider using `_y` instead
Dec 05 02:56:27.439 INFO [stderr]   |
Dec 05 02:56:27.439 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 02:56:27.439 INFO [stderr] 
Dec 05 02:56:27.439 INFO [stderr] warning: unused variable: `z`
Dec 05 02:56:27.439 INFO [stderr]  --> src/main.rs:4:8
Dec 05 02:56:27.439 INFO [stderr]   |
Dec 05 02:56:27.439 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Dec 05 02:56:27.439 INFO [stderr]   |           ^ help: consider using `_z` instead
Dec 05 02:56:27.439 INFO [stderr] 
Dec 05 02:56:27.439 INFO [stderr] warning: unused variable: `y`
Dec 05 02:56:27.439 INFO [stderr]   --> src/main.rs:66:27
Dec 05 02:56:27.439 INFO [stderr]    |
Dec 05 02:56:27.439 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 05 02:56:27.439 INFO [stderr]    |                           ^ help: consider using `_y` instead
Dec 05 02:56:27.439 INFO [stderr] 
Dec 05 02:56:27.439 INFO [stderr] warning: unused variable: `z`
Dec 05 02:56:27.439 INFO [stderr]   --> src/main.rs:66:35
Dec 05 02:56:27.439 INFO [stderr]    |
Dec 05 02:56:27.439 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 05 02:56:27.439 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Dec 05 02:56:27.439 INFO [stderr] 
Dec 05 02:56:27.439 INFO [stderr] warning: unused variable: `x`
Dec 05 02:56:27.439 INFO [stderr]   --> src/main.rs:78:13
Dec 05 02:56:27.439 INFO [stderr]    |
Dec 05 02:56:27.439 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 05 02:56:27.439 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 02:56:27.440 INFO [stderr] 
Dec 05 02:56:27.444 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:56:27.444 INFO [stderr]  --> src/main.rs:3:8
Dec 05 02:56:27.444 INFO [stderr]   |
Dec 05 02:56:27.444 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 05 02:56:27.444 INFO [stderr]   |           ----^
Dec 05 02:56:27.444 INFO [stderr]   |           |
Dec 05 02:56:27.444 INFO [stderr]   |           help: remove this `mut`
Dec 05 02:56:27.444 INFO [stderr]   |
Dec 05 02:56:27.445 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 02:56:27.445 INFO [stderr] 
Dec 05 02:56:27.445 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:56:27.445 INFO [stderr]   --> src/main.rs:18:9
Dec 05 02:56:27.445 INFO [stderr]    |
Dec 05 02:56:27.445 INFO [stderr] 18 |           let mut x = 7;
Dec 05 02:56:27.445 INFO [stderr]    |               ----^
Dec 05 02:56:27.445 INFO [stderr]    |               |
Dec 05 02:56:27.445 INFO [stderr]    |               help: remove this `mut`
Dec 05 02:56:27.445 INFO [stderr] 
Dec 05 02:56:27.459 INFO [stderr] warning: function is never used: `diverges`
Dec 05 02:56:27.459 INFO [stderr]   --> src/main.rs:78:1
Dec 05 02:56:27.459 INFO [stderr]    |
Dec 05 02:56:27.459 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 05 02:56:27.459 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:27.459 INFO [stderr]    |
Dec 05 02:56:27.459 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:56:27.459 INFO [stderr] 
Dec 05 02:56:27.460 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Dec 05 02:56:27.460 INFO [stderr]    --> src/main.rs:229:1
Dec 05 02:56:27.460 INFO [stderr]     |
Dec 05 02:56:27.461 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Dec 05 02:56:27.461 INFO [stderr] 230 | |     v1[2] = 2;
Dec 05 02:56:27.461 INFO [stderr] 231 | |     v2[2] = 2;
Dec 05 02:56:27.461 INFO [stderr] 232 | | }
Dec 05 02:56:27.461 INFO [stderr]     | |_^
Dec 05 02:56:27.462 INFO [stderr]     |
Dec 05 02:56:27.462 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 05 02:56:27.462 INFO [stderr] 
Dec 05 02:56:27.578 INFO [stderr] warning: unused variable: `y`
Dec 05 02:56:27.578 INFO [stderr]  --> src/main.rs:3:12
Dec 05 02:56:27.578 INFO [stderr]   |
Dec 05 02:56:27.578 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 05 02:56:27.578 INFO [stderr]   |               ^ help: consider using `_y` instead
Dec 05 02:56:27.578 INFO [stderr]   |
Dec 05 02:56:27.578 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 02:56:27.578 INFO [stderr] 
Dec 05 02:56:27.578 INFO [stderr] warning: unused variable: `z`
Dec 05 02:56:27.578 INFO [stderr]  --> src/main.rs:4:8
Dec 05 02:56:27.578 INFO [stderr]   |
Dec 05 02:56:27.578 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Dec 05 02:56:27.578 INFO [stderr]   |           ^ help: consider using `_z` instead
Dec 05 02:56:27.578 INFO [stderr] 
Dec 05 02:56:27.578 INFO [stderr] warning: unused variable: `y`
Dec 05 02:56:27.578 INFO [stderr]   --> src/main.rs:66:27
Dec 05 02:56:27.578 INFO [stderr]    |
Dec 05 02:56:27.578 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 05 02:56:27.578 INFO [stderr]    |                           ^ help: consider using `_y` instead
Dec 05 02:56:27.578 INFO [stderr] 
Dec 05 02:56:27.578 INFO [stderr] warning: unused variable: `z`
Dec 05 02:56:27.578 INFO [stderr]   --> src/main.rs:66:35
Dec 05 02:56:27.578 INFO [stderr]    |
Dec 05 02:56:27.578 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 05 02:56:27.578 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Dec 05 02:56:27.579 INFO [stderr] 
Dec 05 02:56:27.579 INFO [stderr] warning: unused variable: `x`
Dec 05 02:56:27.579 INFO [stderr]   --> src/main.rs:78:13
Dec 05 02:56:27.579 INFO [stderr]    |
Dec 05 02:56:27.579 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 05 02:56:27.579 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 02:56:27.579 INFO [stderr] 
Dec 05 02:56:27.584 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:56:27.584 INFO [stderr]  --> src/main.rs:3:8
Dec 05 02:56:27.584 INFO [stderr]   |
Dec 05 02:56:27.584 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 05 02:56:27.584 INFO [stderr]   |           ----^
Dec 05 02:56:27.584 INFO [stderr]   |           |
Dec 05 02:56:27.584 INFO [stderr]   |           help: remove this `mut`
Dec 05 02:56:27.584 INFO [stderr]   |
Dec 05 02:56:27.584 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 02:56:27.584 INFO [stderr] 
Dec 05 02:56:27.584 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:56:27.584 INFO [stderr]   --> src/main.rs:18:9
Dec 05 02:56:27.584 INFO [stderr]    |
Dec 05 02:56:27.584 INFO [stderr] 18 |           let mut x = 7;
Dec 05 02:56:27.584 INFO [stderr]    |               ----^
Dec 05 02:56:27.584 INFO [stderr]    |               |
Dec 05 02:56:27.584 INFO [stderr]    |               help: remove this `mut`
Dec 05 02:56:27.584 INFO [stderr] 
Dec 05 02:56:27.595 INFO [stderr] warning: function is never used: `diverges`
Dec 05 02:56:27.595 INFO [stderr]   --> src/main.rs:78:1
Dec 05 02:56:27.595 INFO [stderr]    |
Dec 05 02:56:27.595 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 05 02:56:27.595 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:56:27.595 INFO [stderr]    |
Dec 05 02:56:27.595 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:56:27.595 INFO [stderr] 
Dec 05 02:56:27.595 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Dec 05 02:56:27.595 INFO [stderr]    --> src/main.rs:229:1
Dec 05 02:56:27.595 INFO [stderr]     |
Dec 05 02:56:27.595 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Dec 05 02:56:27.595 INFO [stderr] 230 | |     v1[2] = 2;
Dec 05 02:56:27.595 INFO [stderr] 231 | |     v2[2] = 2;
Dec 05 02:56:27.595 INFO [stderr] 232 | | }
Dec 05 02:56:27.595 INFO [stderr]     | |_^
Dec 05 02:56:27.595 INFO [stderr]     |
Dec 05 02:56:27.595 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 05 02:56:27.595 INFO [stderr] 
Dec 05 02:56:27.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 05 02:56:27.609 INFO [stderr] su: No module specific data is present
Dec 05 02:56:28.500 INFO running `"docker" "inspect" "b3119959e6db9b1b94d9ab33cede6718a1249bd5d19fdcf48ab3229d557cf2ea"`
Dec 05 02:56:28.595 INFO running `"docker" "rm" "-f" "b3119959e6db9b1b94d9ab33cede6718a1249bd5d19fdcf48ab3229d557cf2ea"`
Dec 05 02:56:28.748 INFO [stdout] b3119959e6db9b1b94d9ab33cede6718a1249bd5d19fdcf48ab3229d557cf2ea