Dec 18 08:03:33.354 INFO checking DaRavenox/Rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:03:33.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/DaRavenox/Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:03:33.504 INFO [stdout] e48c211d388ddf6d1ef7be5b6ae1d93e0002d97ddea584dddde106d9024d7f6c
Dec 18 08:03:33.506 INFO running `"docker" "start" "-a" "e48c211d388ddf6d1ef7be5b6ae1d93e0002d97ddea584dddde106d9024d7f6c"`
Dec 18 08:03:34.140 INFO [stderr]     Checking hello_rust v0.0.1 (/opt/crater/workdir)
Dec 18 08:03:34.480 INFO [stderr] warning: unused variable: `y`
Dec 18 08:03:34.480 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:03:34.480 INFO [stderr]   |
Dec 18 08:03:34.480 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 18 08:03:34.480 INFO [stderr]   |               ^ help: consider using `_y` instead
Dec 18 08:03:34.480 INFO [stderr]   |
Dec 18 08:03:34.480 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 08:03:34.480 INFO [stderr] 
Dec 18 08:03:34.480 INFO [stderr] warning: unused variable: `z`
Dec 18 08:03:34.480 INFO [stderr]  --> src/main.rs:4:8
Dec 18 08:03:34.480 INFO [stderr]   |
Dec 18 08:03:34.480 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Dec 18 08:03:34.480 INFO [stderr]   |           ^ help: consider using `_z` instead
Dec 18 08:03:34.480 INFO [stderr] 
Dec 18 08:03:34.480 INFO [stderr] warning: unused variable: `y`
Dec 18 08:03:34.480 INFO [stderr]   --> src/main.rs:66:27
Dec 18 08:03:34.480 INFO [stderr]    |
Dec 18 08:03:34.480 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 18 08:03:34.480 INFO [stderr]    |                           ^ help: consider using `_y` instead
Dec 18 08:03:34.480 INFO [stderr] 
Dec 18 08:03:34.480 INFO [stderr] warning: unused variable: `z`
Dec 18 08:03:34.480 INFO [stderr]   --> src/main.rs:66:35
Dec 18 08:03:34.480 INFO [stderr]    |
Dec 18 08:03:34.480 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 18 08:03:34.480 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Dec 18 08:03:34.480 INFO [stderr] 
Dec 18 08:03:34.480 INFO [stderr] warning: unused variable: `x`
Dec 18 08:03:34.480 INFO [stderr]   --> src/main.rs:78:13
Dec 18 08:03:34.480 INFO [stderr]    |
Dec 18 08:03:34.480 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 18 08:03:34.480 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 18 08:03:34.480 INFO [stderr] 
Dec 18 08:03:34.500 INFO [stderr] warning: unused variable: `y`
Dec 18 08:03:34.500 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:03:34.500 INFO [stderr]   |
Dec 18 08:03:34.500 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 18 08:03:34.500 INFO [stderr]   |               ^ help: consider using `_y` instead
Dec 18 08:03:34.500 INFO [stderr]   |
Dec 18 08:03:34.500 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 08:03:34.500 INFO [stderr] 
Dec 18 08:03:34.500 INFO [stderr] warning: unused variable: `z`
Dec 18 08:03:34.500 INFO [stderr]  --> src/main.rs:4:8
Dec 18 08:03:34.500 INFO [stderr]   |
Dec 18 08:03:34.500 INFO [stderr] 4 |       let z:i32; //We initialize a variable;
Dec 18 08:03:34.500 INFO [stderr]   |           ^ help: consider using `_z` instead
Dec 18 08:03:34.500 INFO [stderr] 
Dec 18 08:03:34.500 INFO [stderr] warning: unused variable: `y`
Dec 18 08:03:34.500 INFO [stderr]   --> src/main.rs:66:27
Dec 18 08:03:34.500 INFO [stderr]    |
Dec 18 08:03:34.500 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 18 08:03:34.500 INFO [stderr]    |                           ^ help: consider using `_y` instead
Dec 18 08:03:34.500 INFO [stderr] 
Dec 18 08:03:34.501 INFO [stderr] warning: unused variable: `z`
Dec 18 08:03:34.501 INFO [stderr]   --> src/main.rs:66:35
Dec 18 08:03:34.501 INFO [stderr]    |
Dec 18 08:03:34.501 INFO [stderr] 66 | fn math_with_args(x: i32, y: i32, z: i32) -> i32 {
Dec 18 08:03:34.501 INFO [stderr]    |                                   ^ help: consider using `_z` instead
Dec 18 08:03:34.501 INFO [stderr] 
Dec 18 08:03:34.501 INFO [stderr] warning: unused variable: `x`
Dec 18 08:03:34.501 INFO [stderr]   --> src/main.rs:78:13
Dec 18 08:03:34.501 INFO [stderr]    |
Dec 18 08:03:34.501 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 18 08:03:34.501 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 18 08:03:34.501 INFO [stderr] 
Dec 18 08:03:34.521 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:03:34.521 INFO [stderr]  --> src/main.rs:3:8
Dec 18 08:03:34.521 INFO [stderr]   |
Dec 18 08:03:34.521 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 18 08:03:34.521 INFO [stderr]   |           ----^
Dec 18 08:03:34.521 INFO [stderr]   |           |
Dec 18 08:03:34.521 INFO [stderr]   |           help: remove this `mut`
Dec 18 08:03:34.521 INFO [stderr]   |
Dec 18 08:03:34.521 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 08:03:34.521 INFO [stderr] 
Dec 18 08:03:34.521 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:03:34.521 INFO [stderr]   --> src/main.rs:18:9
Dec 18 08:03:34.521 INFO [stderr]    |
Dec 18 08:03:34.521 INFO [stderr] 18 |           let mut x = 7;
Dec 18 08:03:34.521 INFO [stderr]    |               ----^
Dec 18 08:03:34.521 INFO [stderr]    |               |
Dec 18 08:03:34.521 INFO [stderr]    |               help: remove this `mut`
Dec 18 08:03:34.521 INFO [stderr] 
Dec 18 08:03:34.521 INFO [stderr] warning: function is never used: `diverges`
Dec 18 08:03:34.521 INFO [stderr]   --> src/main.rs:78:1
Dec 18 08:03:34.521 INFO [stderr]    |
Dec 18 08:03:34.521 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 18 08:03:34.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:03:34.521 INFO [stderr]    |
Dec 18 08:03:34.521 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:03:34.521 INFO [stderr] 
Dec 18 08:03:34.521 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Dec 18 08:03:34.521 INFO [stderr]    --> src/main.rs:229:1
Dec 18 08:03:34.521 INFO [stderr]     |
Dec 18 08:03:34.521 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Dec 18 08:03:34.521 INFO [stderr] 230 | |     v1[2] = 2;
Dec 18 08:03:34.521 INFO [stderr] 231 | |     v2[2] = 2;
Dec 18 08:03:34.521 INFO [stderr] 232 | | }
Dec 18 08:03:34.521 INFO [stderr]     | |_^
Dec 18 08:03:34.521 INFO [stderr]     |
Dec 18 08:03:34.521 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 08:03:34.521 INFO [stderr] 
Dec 18 08:03:34.535 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:03:34.535 INFO [stderr]  --> src/main.rs:3:8
Dec 18 08:03:34.535 INFO [stderr]   |
Dec 18 08:03:34.535 INFO [stderr] 3 |       let mut y: i32 = 12; // mutable, this value CAN be changed;
Dec 18 08:03:34.535 INFO [stderr]   |           ----^
Dec 18 08:03:34.535 INFO [stderr]   |           |
Dec 18 08:03:34.535 INFO [stderr]   |           help: remove this `mut`
Dec 18 08:03:34.535 INFO [stderr]   |
Dec 18 08:03:34.535 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 08:03:34.535 INFO [stderr] 
Dec 18 08:03:34.535 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:03:34.535 INFO [stderr]   --> src/main.rs:18:9
Dec 18 08:03:34.535 INFO [stderr]    |
Dec 18 08:03:34.535 INFO [stderr] 18 |           let mut x = 7;
Dec 18 08:03:34.535 INFO [stderr]    |               ----^
Dec 18 08:03:34.535 INFO [stderr]    |               |
Dec 18 08:03:34.535 INFO [stderr]    |               help: remove this `mut`
Dec 18 08:03:34.535 INFO [stderr] 
Dec 18 08:03:34.588 INFO [stderr] warning: function is never used: `diverges`
Dec 18 08:03:34.588 INFO [stderr]   --> src/main.rs:78:1
Dec 18 08:03:34.588 INFO [stderr]    |
Dec 18 08:03:34.588 INFO [stderr] 78 | fn diverges(x: i32) -> !{
Dec 18 08:03:34.588 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:03:34.588 INFO [stderr]    |
Dec 18 08:03:34.588 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:03:34.590 INFO [stderr] 
Dec 18 08:03:34.590 INFO [stderr] warning: function `testBorrow` should have a snake case name such as `test_borrow`
Dec 18 08:03:34.590 INFO [stderr]    --> src/main.rs:229:1
Dec 18 08:03:34.590 INFO [stderr]     |
Dec 18 08:03:34.590 INFO [stderr] 229 | / fn testBorrow(v1: &mut Vec<i32>, v2: &mut Vec<i32>){
Dec 18 08:03:34.590 INFO [stderr] 230 | |     v1[2] = 2;
Dec 18 08:03:34.590 INFO [stderr] 231 | |     v2[2] = 2;
Dec 18 08:03:34.590 INFO [stderr] 232 | | }
Dec 18 08:03:34.590 INFO [stderr]     | |_^
Dec 18 08:03:34.590 INFO [stderr]     |
Dec 18 08:03:34.590 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 08:03:34.596 INFO [stderr] 
Dec 18 08:03:34.633 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 18 08:03:34.966 INFO running `"docker" "inspect" "e48c211d388ddf6d1ef7be5b6ae1d93e0002d97ddea584dddde106d9024d7f6c"`
Dec 18 08:03:35.096 INFO running `"docker" "rm" "-f" "e48c211d388ddf6d1ef7be5b6ae1d93e0002d97ddea584dddde106d9024d7f6c"`
Dec 18 08:03:35.211 INFO [stdout] e48c211d388ddf6d1ef7be5b6ae1d93e0002d97ddea584dddde106d9024d7f6c