Nov 30 22:49:55.744 INFO testing tperdue321/rust_basics against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Nov 30 22:49:55.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 30 22:49:55.924 INFO [stdout] 34639c833a5ab0bb56169bbebc03b2030fbfda238b4ce2b3c9119f85a1b10d6b
Nov 30 22:49:55.927 INFO running `"docker" "start" "-a" "34639c833a5ab0bb56169bbebc03b2030fbfda238b4ce2b3c9119f85a1b10d6b"`
Nov 30 22:49:56.320 INFO [stderr] usermod: no changes
Nov 30 22:49:56.345 INFO [stderr]    Compiling basics v0.1.0 (/source)
Nov 30 22:49:56.473 INFO [stderr] warning: unused variable: `a`
Nov 30 22:49:56.473 INFO [stderr]  --> src/main.rs:9:9
Nov 30 22:49:56.473 INFO [stderr]   |
Nov 30 22:49:56.473 INFO [stderr] 9 |     let a: i32 = 1;
Nov 30 22:49:56.473 INFO [stderr]   |         ^ help: consider using `_a` instead
Nov 30 22:49:56.473 INFO [stderr]   |
Nov 30 22:49:56.473 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 22:49:56.473 INFO [stderr] 
Nov 30 22:49:56.473 INFO [stderr] warning: variable `b` is assigned to, but never used
Nov 30 22:49:56.473 INFO [stderr]   --> src/main.rs:14:13
Nov 30 22:49:56.473 INFO [stderr]    |
Nov 30 22:49:56.473 INFO [stderr] 14 |     let mut b: i32 = 15;
Nov 30 22:49:56.473 INFO [stderr]    |             ^
Nov 30 22:49:56.473 INFO [stderr]    |
Nov 30 22:49:56.473 INFO [stderr]    = note: consider using `_b` instead
Nov 30 22:49:56.473 INFO [stderr] 
Nov 30 22:49:56.474 INFO [stderr] warning: value assigned to `b` is never read
Nov 30 22:49:56.474 INFO [stderr]   --> src/main.rs:15:5
Nov 30 22:49:56.474 INFO [stderr]    |
Nov 30 22:49:56.474 INFO [stderr] 15 |     b = 25;
Nov 30 22:49:56.474 INFO [stderr]    |     ^
Nov 30 22:49:56.474 INFO [stderr]    |
Nov 30 22:49:56.475 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 22:49:56.475 INFO [stderr] 
Nov 30 22:49:56.475 INFO [stderr] warning: unused variable: `x`
Nov 30 22:49:56.475 INFO [stderr]   --> src/main.rs:17:9
Nov 30 22:49:56.475 INFO [stderr]    |
Nov 30 22:49:56.475 INFO [stderr] 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 30 22:49:56.475 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 22:49:56.475 INFO [stderr] 
Nov 30 22:49:56.475 INFO [stderr] warning: value assigned to `x` is never read
Nov 30 22:49:56.475 INFO [stderr]   --> src/main.rs:38:13
Nov 30 22:49:56.475 INFO [stderr]    |
Nov 30 22:49:56.475 INFO [stderr] 38 |     let mut x: i32 = 1;
Nov 30 22:49:56.475 INFO [stderr]    |             ^
Nov 30 22:49:56.475 INFO [stderr] 
Nov 30 22:49:56.475 INFO [stderr] warning: unused variable: `y`
Nov 30 22:49:56.475 INFO [stderr]   --> src/main.rs:42:9
Nov 30 22:49:56.475 INFO [stderr]    |
Nov 30 22:49:56.475 INFO [stderr] 42 |     let y = 4;
Nov 30 22:49:56.475 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 22:49:56.475 INFO [stderr] 
Nov 30 22:49:56.475 INFO [stderr] warning: unused variable: `y`
Nov 30 22:49:56.475 INFO [stderr]   --> src/main.rs:45:9
Nov 30 22:49:56.475 INFO [stderr]    |
Nov 30 22:49:56.475 INFO [stderr] 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 30 22:49:56.475 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 22:49:56.475 INFO [stderr] 
Nov 30 22:49:56.475 INFO [stderr] warning: unused variable: `x`
Nov 30 22:49:56.476 INFO [stderr]   --> src/main.rs:60:9
Nov 30 22:49:56.476 INFO [stderr]    |
Nov 30 22:49:56.476 INFO [stderr] 60 |     let x = return_int_plus_1(1);
Nov 30 22:49:56.476 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 22:49:56.476 INFO [stderr] 
Nov 30 22:49:56.480 INFO [stderr] warning: function is never used: `diverges`
Nov 30 22:49:56.480 INFO [stderr]   --> src/main.rs:93:1
Nov 30 22:49:56.480 INFO [stderr]    |
Nov 30 22:49:56.480 INFO [stderr] 93 | fn diverges() -> ! {
Nov 30 22:49:56.480 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 30 22:49:56.480 INFO [stderr]    |
Nov 30 22:49:56.480 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 22:49:56.480 INFO [stderr] 
Nov 30 22:49:56.723 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Nov 30 22:49:56.725 INFO [stderr] su: No module specific data is present
Nov 30 22:49:56.960 INFO running `"docker" "inspect" "34639c833a5ab0bb56169bbebc03b2030fbfda238b4ce2b3c9119f85a1b10d6b"`
Nov 30 22:49:57.057 INFO running `"docker" "rm" "-f" "34639c833a5ab0bb56169bbebc03b2030fbfda238b4ce2b3c9119f85a1b10d6b"`
Nov 30 22:49:57.173 INFO [stdout] 34639c833a5ab0bb56169bbebc03b2030fbfda238b4ce2b3c9119f85a1b10d6b
Nov 30 22:49:57.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 30 22:49:57.379 INFO [stdout] ab8acfecd2cbd34de00ee5d2c83c7e305f5533cf4aab0d96583e143bd0d36177
Nov 30 22:49:57.381 INFO running `"docker" "start" "-a" "ab8acfecd2cbd34de00ee5d2c83c7e305f5533cf4aab0d96583e143bd0d36177"`
Nov 30 22:49:57.834 INFO [stderr] usermod: no changes
Nov 30 22:49:57.858 INFO [stderr]    Compiling basics v0.1.0 (/source)
Nov 30 22:49:58.010 INFO [stderr] warning: unused variable: `a`
Nov 30 22:49:58.010 INFO [stderr]  --> src/main.rs:9:9
Nov 30 22:49:58.010 INFO [stderr]   |
Nov 30 22:49:58.010 INFO [stderr] 9 |     let a: i32 = 1;
Nov 30 22:49:58.010 INFO [stderr]   |         ^ help: consider using `_a` instead
Nov 30 22:49:58.010 INFO [stderr]   |
Nov 30 22:49:58.010 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 22:49:58.010 INFO [stderr] 
Nov 30 22:49:58.010 INFO [stderr] warning: variable `b` is assigned to, but never used
Nov 30 22:49:58.010 INFO [stderr]   --> src/main.rs:14:13
Nov 30 22:49:58.010 INFO [stderr]    |
Nov 30 22:49:58.010 INFO [stderr] 14 |     let mut b: i32 = 15;
Nov 30 22:49:58.010 INFO [stderr]    |             ^
Nov 30 22:49:58.010 INFO [stderr]    |
Nov 30 22:49:58.010 INFO [stderr]    = note: consider using `_b` instead
Nov 30 22:49:58.010 INFO [stderr] 
Nov 30 22:49:58.010 INFO [stderr] warning: value assigned to `b` is never read
Nov 30 22:49:58.010 INFO [stderr]   --> src/main.rs:15:5
Nov 30 22:49:58.010 INFO [stderr]    |
Nov 30 22:49:58.010 INFO [stderr] 15 |     b = 25;
Nov 30 22:49:58.010 INFO [stderr]    |     ^
Nov 30 22:49:58.010 INFO [stderr]    |
Nov 30 22:49:58.010 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 22:49:58.010 INFO [stderr] 
Nov 30 22:49:58.011 INFO [stderr] warning: unused variable: `x`
Nov 30 22:49:58.011 INFO [stderr]   --> src/main.rs:17:9
Nov 30 22:49:58.011 INFO [stderr]    |
Nov 30 22:49:58.011 INFO [stderr] 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 30 22:49:58.011 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 22:49:58.012 INFO [stderr] 
Nov 30 22:49:58.012 INFO [stderr] warning: value assigned to `x` is never read
Nov 30 22:49:58.012 INFO [stderr]   --> src/main.rs:38:13
Nov 30 22:49:58.012 INFO [stderr]    |
Nov 30 22:49:58.012 INFO [stderr] 38 |     let mut x: i32 = 1;
Nov 30 22:49:58.012 INFO [stderr]    |             ^
Nov 30 22:49:58.012 INFO [stderr] 
Nov 30 22:49:58.012 INFO [stderr] warning: unused variable: `y`
Nov 30 22:49:58.012 INFO [stderr]   --> src/main.rs:42:9
Nov 30 22:49:58.012 INFO [stderr]    |
Nov 30 22:49:58.012 INFO [stderr] 42 |     let y = 4;
Nov 30 22:49:58.012 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 22:49:58.015 INFO [stderr] 
Nov 30 22:49:58.016 INFO [stderr] warning: unused variable: `y`
Nov 30 22:49:58.016 INFO [stderr]   --> src/main.rs:45:9
Nov 30 22:49:58.016 INFO [stderr]    |
Nov 30 22:49:58.016 INFO [stderr] 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 30 22:49:58.017 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 22:49:58.017 INFO [stderr] 
Nov 30 22:49:58.017 INFO [stderr] warning: unused variable: `x`
Nov 30 22:49:58.017 INFO [stderr]   --> src/main.rs:60:9
Nov 30 22:49:58.017 INFO [stderr]    |
Nov 30 22:49:58.017 INFO [stderr] 60 |     let x = return_int_plus_1(1);
Nov 30 22:49:58.017 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 22:49:58.017 INFO [stderr] 
Nov 30 22:49:58.024 INFO [stderr] warning: function is never used: `diverges`
Nov 30 22:49:58.029 INFO [stderr]   --> src/main.rs:93:1
Nov 30 22:49:58.029 INFO [stderr]    |
Nov 30 22:49:58.029 INFO [stderr] 93 | fn diverges() -> ! {
Nov 30 22:49:58.029 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 30 22:49:58.029 INFO [stderr]    |
Nov 30 22:49:58.029 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 22:49:58.029 INFO [stderr] 
Nov 30 22:49:58.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Nov 30 22:49:58.379 INFO [stderr] su: No module specific data is present
Nov 30 22:49:58.567 INFO running `"docker" "inspect" "ab8acfecd2cbd34de00ee5d2c83c7e305f5533cf4aab0d96583e143bd0d36177"`
Nov 30 22:49:58.662 INFO running `"docker" "rm" "-f" "ab8acfecd2cbd34de00ee5d2c83c7e305f5533cf4aab0d96583e143bd0d36177"`
Nov 30 22:49:58.756 INFO [stdout] ab8acfecd2cbd34de00ee5d2c83c7e305f5533cf4aab0d96583e143bd0d36177
Nov 30 22:49:58.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 30 22:49:58.962 INFO [stdout] 7ac9ef05773998153b694dc8bb0dc76d4b09ceec51f6faffc5fd3ab7057c15d4
Nov 30 22:49:58.964 INFO running `"docker" "start" "-a" "7ac9ef05773998153b694dc8bb0dc76d4b09ceec51f6faffc5fd3ab7057c15d4"`
Nov 30 22:49:59.475 INFO [stderr] usermod: no changes
Nov 30 22:49:59.516 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 30 22:49:59.519 INFO [stderr]      Running /target/debug/deps/basics-359d0152150715ab
Nov 30 22:49:59.520 INFO [stdout] 
Nov 30 22:49:59.520 INFO [stdout] running 0 tests
Nov 30 22:49:59.520 INFO [stdout] 
Nov 30 22:49:59.521 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 22:49:59.521 INFO [stdout] 
Nov 30 22:49:59.523 INFO [stderr] su: No module specific data is present
Nov 30 22:49:59.964 INFO running `"docker" "inspect" "7ac9ef05773998153b694dc8bb0dc76d4b09ceec51f6faffc5fd3ab7057c15d4"`
Nov 30 22:50:00.037 INFO running `"docker" "rm" "-f" "7ac9ef05773998153b694dc8bb0dc76d4b09ceec51f6faffc5fd3ab7057c15d4"`
Nov 30 22:50:00.178 INFO [stdout] 7ac9ef05773998153b694dc8bb0dc76d4b09ceec51f6faffc5fd3ab7057c15d4
