Nov 01 07:10:46.535 INFO testing java007hf/Rust_demo against 1.30.0 for beta-1.31-1
Nov 01 07:10:46.535 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 07:10:46.754 INFO blam! 8319e52c1280a199297ccd4e3d65fc6c794c37bd71301554380df2be265ec338
Nov 01 07:10:46.763 INFO running `"docker" "start" "-a" "8319e52c1280a199297ccd4e3d65fc6c794c37bd71301554380df2be265ec338"`
Nov 01 07:10:47.312 INFO kablam! usermod: no changes
Nov 01 07:10:47.346 INFO kablam!    Compiling rust_demo v0.1.0 (/source)
Nov 01 07:10:47.672 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 01 07:10:47.672 INFO kablam!    --> src/main.rs:214:14
Nov 01 07:10:47.672 INFO kablam!     |
Nov 01 07:10:47.672 INFO kablam! 214 |     for x in (0..11) {
Nov 01 07:10:47.672 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Nov 01 07:10:47.672 INFO kablam!     |
Nov 01 07:10:47.672 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 01 07:10:47.672 INFO kablam! 
Nov 01 07:10:47.806 INFO kablam! warning: variable `inferred_type` is assigned to, but never used
Nov 01 07:10:47.806 INFO kablam!   --> src/main.rs:19:13
Nov 01 07:10:47.806 INFO kablam!    |
Nov 01 07:10:47.806 INFO kablam! 19 |     let mut inferred_type = 12; // Type i64 is inferred from another line
Nov 01 07:10:47.806 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 01 07:10:47.806 INFO kablam!    |
Nov 01 07:10:47.806 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 07:10:47.806 INFO kablam!    = note: consider using `_inferred_type` instead
Nov 01 07:10:47.806 INFO kablam! 
Nov 01 07:10:47.806 INFO kablam! warning: value assigned to `inferred_type` is never read
Nov 01 07:10:47.806 INFO kablam!   --> src/main.rs:20:5
Nov 01 07:10:47.806 INFO kablam!    |
Nov 01 07:10:47.806 INFO kablam! 20 |     inferred_type = 4294967296i64;
Nov 01 07:10:47.806 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 07:10:47.806 INFO kablam!    |
Nov 01 07:10:47.806 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 07:10:47.806 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: variable `mutable` is assigned to, but never used
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:23:13
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 23 |     let mut mutable = 12; // Mutable `i32`
Nov 01 07:10:47.807 INFO kablam!    |             ^^^^^^^
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam!    = note: consider using `_mutable` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: value assigned to `mutable` is never read
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:24:5
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 24 |     mutable = 21;
Nov 01 07:10:47.807 INFO kablam!    |     ^^^^^^^
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: value assigned to `mutable` is never read
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:27:5
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 27 |     mutable = 11;
Nov 01 07:10:47.807 INFO kablam!    |     ^^^^^^^
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `mutable`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:30:9
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 30 |     let mutable = true;
Nov 01 07:10:47.807 INFO kablam!    |         ^^^^^^^ help: consider using `_mutable` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `a`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:36:9
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 36 |     let a = [1, 2, 3]; // a: [i32; 3]
Nov 01 07:10:47.807 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `middle`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:61:9
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 61 |     let middle = &a[1..3];
Nov 01 07:10:47.807 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `a`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:67:10
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 67 |     let (a, b, c) = y;
Nov 01 07:10:47.807 INFO kablam!    |          ^ help: consider using `_a` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `b`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:67:13
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 67 |     let (a, b, c) = y;
Nov 01 07:10:47.807 INFO kablam!    |             ^ help: consider using `_b` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `y`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:73:9
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 73 |     let y = tuple.1;
Nov 01 07:10:47.807 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `z`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:74:9
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 74 |     let z = tuple.2;
Nov 01 07:10:47.807 INFO kablam!    |         ^ help: consider using `_z` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `j`
Nov 01 07:10:47.807 INFO kablam!   --> src/main.rs:91:9
Nov 01 07:10:47.807 INFO kablam!    |
Nov 01 07:10:47.807 INFO kablam! 91 |     let j: i32 = 0;
Nov 01 07:10:47.807 INFO kablam!    |         ^ help: consider using `_j` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.807 INFO kablam! warning: unused variable: `v2`
Nov 01 07:10:47.807 INFO kablam!    --> src/main.rs:119:9
Nov 01 07:10:47.807 INFO kablam!     |
Nov 01 07:10:47.807 INFO kablam! 119 |     let v2 = v;
Nov 01 07:10:47.807 INFO kablam!     |         ^^ help: consider using `_v2` instead
Nov 01 07:10:47.807 INFO kablam! 
Nov 01 07:10:47.827 INFO kablam! warning: function is never used: `diverges`
Nov 01 07:10:47.827 INFO kablam!    --> src/main.rs:188:1
Nov 01 07:10:47.827 INFO kablam!     |
Nov 01 07:10:47.827 INFO kablam! 188 | fn diverges() -> ! {
Nov 01 07:10:47.827 INFO kablam!     | ^^^^^^^^^^^^^^^^^^
Nov 01 07:10:47.827 INFO kablam!     |
Nov 01 07:10:47.827 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 01 07:10:47.827 INFO kablam! 
Nov 01 07:10:48.285 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Nov 01 07:10:48.287 INFO kablam! su: No module specific data is present
Nov 01 07:10:48.595 INFO running `"docker" "rm" "-f" "8319e52c1280a199297ccd4e3d65fc6c794c37bd71301554380df2be265ec338"`
Nov 01 07:10:48.758 INFO blam! 8319e52c1280a199297ccd4e3d65fc6c794c37bd71301554380df2be265ec338
Nov 01 07:10:48.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 07:10:49.116 INFO blam! 06ea3c87d2381610c5bebccaa1728fa95d017ec3fb00122de6c3e900b1ecb7ca
Nov 01 07:10:49.117 INFO running `"docker" "start" "-a" "06ea3c87d2381610c5bebccaa1728fa95d017ec3fb00122de6c3e900b1ecb7ca"`
Nov 01 07:10:49.483 INFO kablam! usermod: no changes
Nov 01 07:10:49.484 INFO kablam!     Blocking waiting for file lock on the registry index
Nov 01 07:10:49.903 INFO kablam!    Compiling rust_demo v0.1.0 (/source)
Nov 01 07:10:50.303 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 01 07:10:50.303 INFO kablam!    --> src/main.rs:214:14
Nov 01 07:10:50.303 INFO kablam!     |
Nov 01 07:10:50.303 INFO kablam! 214 |     for x in (0..11) {
Nov 01 07:10:50.303 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Nov 01 07:10:50.303 INFO kablam!     |
Nov 01 07:10:50.303 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 01 07:10:50.303 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: variable `inferred_type` is assigned to, but never used
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:19:13
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 19 |     let mut inferred_type = 12; // Type i64 is inferred from another line
Nov 01 07:10:50.467 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 07:10:50.467 INFO kablam!    = note: consider using `_inferred_type` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: value assigned to `inferred_type` is never read
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:20:5
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 20 |     inferred_type = 4294967296i64;
Nov 01 07:10:50.467 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: variable `mutable` is assigned to, but never used
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:23:13
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 23 |     let mut mutable = 12; // Mutable `i32`
Nov 01 07:10:50.467 INFO kablam!    |             ^^^^^^^
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam!    = note: consider using `_mutable` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: value assigned to `mutable` is never read
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:24:5
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 24 |     mutable = 21;
Nov 01 07:10:50.467 INFO kablam!    |     ^^^^^^^
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: value assigned to `mutable` is never read
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:27:5
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 27 |     mutable = 11;
Nov 01 07:10:50.467 INFO kablam!    |     ^^^^^^^
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `mutable`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:30:9
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 30 |     let mutable = true;
Nov 01 07:10:50.467 INFO kablam!    |         ^^^^^^^ help: consider using `_mutable` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `a`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:36:9
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 36 |     let a = [1, 2, 3]; // a: [i32; 3]
Nov 01 07:10:50.467 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `middle`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:61:9
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 61 |     let middle = &a[1..3];
Nov 01 07:10:50.467 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `a`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:67:10
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 67 |     let (a, b, c) = y;
Nov 01 07:10:50.467 INFO kablam!    |          ^ help: consider using `_a` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `b`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:67:13
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 67 |     let (a, b, c) = y;
Nov 01 07:10:50.467 INFO kablam!    |             ^ help: consider using `_b` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `y`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:73:9
Nov 01 07:10:50.467 INFO kablam!    |
Nov 01 07:10:50.467 INFO kablam! 73 |     let y = tuple.1;
Nov 01 07:10:50.467 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 07:10:50.467 INFO kablam! 
Nov 01 07:10:50.467 INFO kablam! warning: unused variable: `z`
Nov 01 07:10:50.467 INFO kablam!   --> src/main.rs:74:9
Nov 01 07:10:50.468 INFO kablam!    |
Nov 01 07:10:50.468 INFO kablam! 74 |     let z = tuple.2;
Nov 01 07:10:50.468 INFO kablam!    |         ^ help: consider using `_z` instead
Nov 01 07:10:50.468 INFO kablam! 
Nov 01 07:10:50.468 INFO kablam! warning: unused variable: `j`
Nov 01 07:10:50.468 INFO kablam!   --> src/main.rs:91:9
Nov 01 07:10:50.468 INFO kablam!    |
Nov 01 07:10:50.468 INFO kablam! 91 |     let j: i32 = 0;
Nov 01 07:10:50.468 INFO kablam!    |         ^ help: consider using `_j` instead
Nov 01 07:10:50.468 INFO kablam! 
Nov 01 07:10:50.468 INFO kablam! warning: unused variable: `v2`
Nov 01 07:10:50.468 INFO kablam!    --> src/main.rs:119:9
Nov 01 07:10:50.468 INFO kablam!     |
Nov 01 07:10:50.468 INFO kablam! 119 |     let v2 = v;
Nov 01 07:10:50.468 INFO kablam!     |         ^^ help: consider using `_v2` instead
Nov 01 07:10:50.468 INFO kablam! 
Nov 01 07:10:50.487 INFO kablam! warning: function is never used: `diverges`
Nov 01 07:10:50.487 INFO kablam!    --> src/main.rs:188:1
Nov 01 07:10:50.487 INFO kablam!     |
Nov 01 07:10:50.487 INFO kablam! 188 | fn diverges() -> ! {
Nov 01 07:10:50.487 INFO kablam!     | ^^^^^^^^^^^^^^^^^^
Nov 01 07:10:50.487 INFO kablam!     |
Nov 01 07:10:50.487 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 01 07:10:50.487 INFO kablam! 
Nov 01 07:10:50.865 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Nov 01 07:10:50.867 INFO kablam! su: No module specific data is present
Nov 01 07:10:51.287 INFO running `"docker" "rm" "-f" "06ea3c87d2381610c5bebccaa1728fa95d017ec3fb00122de6c3e900b1ecb7ca"`
Nov 01 07:10:51.539 INFO blam! 06ea3c87d2381610c5bebccaa1728fa95d017ec3fb00122de6c3e900b1ecb7ca
Nov 01 07:10:51.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 07:10:51.763 INFO blam! c2fbf9923c542600e924f704e2caf6d9e224437adfd6eab8afbf816175e0102b
Nov 01 07:10:51.771 INFO running `"docker" "start" "-a" "c2fbf9923c542600e924f704e2caf6d9e224437adfd6eab8afbf816175e0102b"`
Nov 01 07:10:52.783 INFO kablam! usermod: no changes
Nov 01 07:10:52.859 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 01 07:10:52.867 INFO kablam!      Running /target/debug/deps/rust_demo-9f2c357bce3c1451
Nov 01 07:10:52.875 INFO kablam! su: No module specific data is present
Nov 01 07:10:52.875 INFO blam! 
Nov 01 07:10:52.875 INFO blam! running 0 tests
Nov 01 07:10:52.875 INFO blam! 
Nov 01 07:10:52.875 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 07:10:52.875 INFO blam! 
Nov 01 07:10:53.423 INFO running `"docker" "rm" "-f" "c2fbf9923c542600e924f704e2caf6d9e224437adfd6eab8afbf816175e0102b"`
Nov 01 07:10:53.667 INFO blam! c2fbf9923c542600e924f704e2caf6d9e224437adfd6eab8afbf816175e0102b
