Dec 13 14:55:14.278 INFO testing jssandh2/rust-systems against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 13 14:55:14.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 14:55:14.692 INFO [stdout] d4b5ee6a6a2f2826d5ec44a6a527a19c026b8c8f0c32039df92e868ed4a98f63 Dec 13 14:55:14.700 INFO running `"docker" "start" "-a" "d4b5ee6a6a2f2826d5ec44a6a527a19c026b8c8f0c32039df92e868ed4a98f63"` Dec 13 14:55:16.015 INFO [stderr] usermod: no changes Dec 13 14:55:16.071 INFO [stderr] Compiling rust-systems v0.0.1 (/source) Dec 13 14:55:17.040 INFO [stderr] warning: unnecessary parentheses around assigned value Dec 13 14:55:17.040 INFO [stderr] --> src/test/functions.rs:20:13 Dec 13 14:55:17.040 INFO [stderr] | Dec 13 14:55:17.040 INFO [stderr] 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Dec 13 14:55:17.040 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 13 14:55:17.040 INFO [stderr] | Dec 13 14:55:17.040 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 14:55:17.040 INFO [stderr] Dec 13 14:55:17.063 INFO [stderr] warning: unreachable statement Dec 13 14:55:17.063 INFO [stderr] --> src/test/functions.rs:23:5 Dec 13 14:55:17.063 INFO [stderr] | Dec 13 14:55:17.064 INFO [stderr] 23 | let x: String = diverges(); Dec 13 14:55:17.064 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 14:55:17.066 INFO [stderr] warning: unnecessary parentheses around assigned value Dec 13 14:55:17.066 INFO [stderr] --> src/test/primitive_types.rs:47:13 Dec 13 14:55:17.066 INFO [stderr] | Dec 13 14:55:17.067 INFO [stderr] 47 | let b = (0); // Normal zero Dec 13 14:55:17.067 INFO [stderr] | ^^^ help: remove these parentheses Dec 13 14:55:17.067 INFO [stderr] | Dec 13 14:55:17.071 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 14:55:17.071 INFO [stderr] Dec 13 14:55:17.091 INFO [stderr] | Dec 13 14:55:17.091 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 13 14:55:17.092 INFO [stderr] Dec 13 14:55:17.098 INFO [stderr] warning: variable `y` is assigned to, but never used Dec 13 14:55:17.099 INFO [stderr] --> src/test/functions.rs:19:13 Dec 13 14:55:17.099 INFO [stderr] | Dec 13 14:55:17.099 INFO [stderr] 19 | let mut y = 5; Dec 13 14:55:17.099 INFO [stderr] | ^ Dec 13 14:55:17.100 INFO [stderr] | Dec 13 14:55:17.100 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:17.100 INFO [stderr] = note: consider using `_y` instead Dec 13 14:55:17.100 INFO [stderr] Dec 13 14:55:17.100 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.100 INFO [stderr] --> src/test/functions.rs:20:9 Dec 13 14:55:17.100 INFO [stderr] | Dec 13 14:55:17.100 INFO [stderr] 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Dec 13 14:55:17.100 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.101 INFO [stderr] Dec 13 14:55:17.101 INFO [stderr] warning: value assigned to `y` is never read Dec 13 14:55:17.101 INFO [stderr] --> src/test/functions.rs:20:14 Dec 13 14:55:17.101 INFO [stderr] | Dec 13 14:55:17.101 INFO [stderr] 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Dec 13 14:55:17.101 INFO [stderr] | ^ Dec 13 14:55:17.101 INFO [stderr] | Dec 13 14:55:17.101 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 14:55:17.101 INFO [stderr] Dec 13 14:55:17.101 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.101 INFO [stderr] --> src/test/functions.rs:22:9 Dec 13 14:55:17.101 INFO [stderr] | Dec 13 14:55:17.101 INFO [stderr] 22 | let x: i32 = diverges(); Dec 13 14:55:17.101 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.101 INFO [stderr] Dec 13 14:55:17.102 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.102 INFO [stderr] --> src/test/functions.rs:23:9 Dec 13 14:55:17.102 INFO [stderr] | Dec 13 14:55:17.102 INFO [stderr] 23 | let x: String = diverges(); Dec 13 14:55:17.102 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.102 INFO [stderr] Dec 13 14:55:17.102 INFO [stderr] warning: unused variable: `f` Dec 13 14:55:17.102 INFO [stderr] --> src/test/functions.rs:28:9 Dec 13 14:55:17.102 INFO [stderr] | Dec 13 14:55:17.102 INFO [stderr] 28 | let f: fn(i32) -> i32; Dec 13 14:55:17.102 INFO [stderr] | ^ help: consider using `_f` instead Dec 13 14:55:17.102 INFO [stderr] Dec 13 14:55:17.102 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.102 INFO [stderr] --> src/test/functions.rs:31:9 Dec 13 14:55:17.102 INFO [stderr] | Dec 13 14:55:17.102 INFO [stderr] 31 | let y = f(5, 6); Dec 13 14:55:17.102 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.102 INFO [stderr] Dec 13 14:55:17.103 INFO [stderr] warning: unused variable: `z` Dec 13 14:55:17.103 INFO [stderr] --> src/test/functions.rs:34:9 Dec 13 14:55:17.103 INFO [stderr] | Dec 13 14:55:17.103 INFO [stderr] 34 | let z = sum_number(5, 6); Dec 13 14:55:17.103 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 14:55:17.103 INFO [stderr] Dec 13 14:55:17.119 INFO [stderr] warning: function is never used: `sum_number_three` Dec 13 14:55:17.119 INFO [stderr] --> src/test/functions.rs:9:1 Dec 13 14:55:17.119 INFO [stderr] | Dec 13 14:55:17.120 INFO [stderr] 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 { Dec 13 14:55:17.120 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 14:55:17.131 INFO [stderr] | Dec 13 14:55:17.131 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 14:55:17.132 INFO [stderr] Dec 13 14:55:17.175 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.175 INFO [stderr] --> src/test/primitive_types.rs:3:9 Dec 13 14:55:17.179 INFO [stderr] | Dec 13 14:55:17.179 INFO [stderr] 3 | let x = true; Dec 13 14:55:17.179 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.192 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.195 INFO [stderr] --> src/test/conditionals_and_loops.rs:14:9 Dec 13 14:55:17.195 INFO [stderr] | Dec 13 14:55:17.195 INFO [stderr] 14 | let y = if x == 5 { 10 } else { 15 }; // y : i32 Dec 13 14:55:17.195 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:4:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 4 | let y: bool = false; Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:7:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 7 | let x = 'x'; Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:10:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 10 | let x = 42; // `x` has type `i32` Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:11:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 11 | let y = 1.0; // `y` has type `f64` Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `a` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:19:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 19 | let a = [1, 2, 3]; // a : [i32; 3] Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `m` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:20:13 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_m` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `names` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:25:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 25 | let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3] Dec 13 14:55:17.196 INFO [stderr] | ^^^^^ help: consider using `_names` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `b_duplicate` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:30:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 30 | let b_duplicate = &b[..]; // A slice containing everything in `a` Dec 13 14:55:17.196 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_b_duplicate` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `middle` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:31:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 31 | let middle = &b[1..4]; // A slice of `a` : [1, 2, 3] Dec 13 14:55:17.196 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:35:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 35 | let x = (1, "hello"); Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:36:9 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 36 | let y: (i32, &str) = (1, "hello"); Dec 13 14:55:17.196 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: variable `x` is assigned to, but never used Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:38:13 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 38 | let mut x = (1, 2); Dec 13 14:55:17.196 INFO [stderr] | ^ Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] = note: consider using `_x` instead Dec 13 14:55:17.196 INFO [stderr] Dec 13 14:55:17.196 INFO [stderr] warning: value assigned to `x` is never read Dec 13 14:55:17.196 INFO [stderr] --> src/test/primitive_types.rs:40:5 Dec 13 14:55:17.196 INFO [stderr] | Dec 13 14:55:17.196 INFO [stderr] 40 | x = y; // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type Dec 13 14:55:17.196 INFO [stderr] | ^ Dec 13 14:55:17.197 INFO [stderr] | Dec 13 14:55:17.197 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 14:55:17.197 INFO [stderr] Dec 13 14:55:17.197 INFO [stderr] warning: unused variable: `a` Dec 13 14:55:17.197 INFO [stderr] --> src/test/primitive_types.rs:46:9 Dec 13 14:55:17.197 INFO [stderr] | Dec 13 14:55:17.197 INFO [stderr] 46 | let a = (0,); // Tuple of arity 1 Dec 13 14:55:17.197 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 14:55:17.197 INFO [stderr] Dec 13 14:55:17.197 INFO [stderr] warning: unused variable: `b` Dec 13 14:55:17.197 INFO [stderr] --> src/test/primitive_types.rs:47:9 Dec 13 14:55:17.197 INFO [stderr] | Dec 13 14:55:17.197 INFO [stderr] 47 | let b = (0); // Normal zero Dec 13 14:55:17.197 INFO [stderr] | ^ help: consider using `_b` instead Dec 13 14:55:17.197 INFO [stderr] Dec 13 14:55:17.197 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.197 INFO [stderr] --> src/test/primitive_types.rs:52:9 Dec 13 14:55:17.197 INFO [stderr] | Dec 13 14:55:17.197 INFO [stderr] 52 | let x = tuple.0; Dec 13 14:55:17.197 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.202 INFO [stderr] Dec 13 14:55:17.203 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.203 INFO [stderr] --> src/test/primitive_types.rs:53:9 Dec 13 14:55:17.203 INFO [stderr] | Dec 13 14:55:17.203 INFO [stderr] 53 | let y = tuple.1; Dec 13 14:55:17.203 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.203 INFO [stderr] Dec 13 14:55:17.203 INFO [stderr] warning: unused variable: `z` Dec 13 14:55:17.203 INFO [stderr] --> src/test/primitive_types.rs:54:9 Dec 13 14:55:17.203 INFO [stderr] | Dec 13 14:55:17.203 INFO [stderr] 54 | let z = tuple.2; Dec 13 14:55:17.203 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 14:55:17.203 INFO [stderr] Dec 13 14:55:17.203 INFO [stderr] | Dec 13 14:55:17.203 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:17.203 INFO [stderr] Dec 13 14:55:17.216 INFO [stderr] warning: variable does not need to be mutable Dec 13 14:55:17.216 INFO [stderr] --> src/test/primitive_types.rs:20:9 Dec 13 14:55:17.216 INFO [stderr] | Dec 13 14:55:17.216 INFO [stderr] 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Dec 13 14:55:17.216 INFO [stderr] | ----^ Dec 13 14:55:17.216 INFO [stderr] | | Dec 13 14:55:17.216 INFO [stderr] | help: remove this `mut` Dec 13 14:55:17.216 INFO [stderr] | Dec 13 14:55:17.216 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 13 14:55:17.216 INFO [stderr] Dec 13 14:55:17.223 INFO [stderr] warning: function is never used: `foo` Dec 13 14:55:17.223 INFO [stderr] --> src/test/primitive_types.rs:57:5 Dec 13 14:55:17.223 INFO [stderr] | Dec 13 14:55:17.223 INFO [stderr] 57 | fn foo(x: i32) -> i32 { x } // foo : i32 -> i32 Dec 13 14:55:17.223 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 13 14:55:17.223 INFO [stderr] | Dec 13 14:55:17.223 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 14:55:17.223 INFO [stderr] Dec 13 14:55:17.223 INFO [stderr] warning: function is never used: `two_foo` Dec 13 14:55:17.223 INFO [stderr] --> src/test/primitive_types.rs:59:5 Dec 13 14:55:17.223 INFO [stderr] | Dec 13 14:55:17.223 INFO [stderr] 59 | fn two_foo(x: i32, y: i32) -> i32 { x + y } // two_foo : (i32 * i32) -> i32 Dec 13 14:55:17.223 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 14:55:17.223 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:3:9 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Dec 13 14:55:17.543 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: unused variable: `z` Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:3:12 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Dec 13 14:55:17.543 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: unused variable: `k` Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:4:8 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 4 | let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type Dec 13 14:55:17.543 INFO [stderr] | ^ help: consider using `_k` instead Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: value assigned to `xp` is never read Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:11:12 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 11 | let mut xp = 5; Dec 13 14:55:17.543 INFO [stderr] | ^^ Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: value assigned to `a` is never read Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:32:12 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 32 | let mut a: i32 = 8; Dec 13 14:55:17.543 INFO [stderr] | ^ Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: unused variable: `a` Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:34:8 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 34 | let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). Dec 13 14:55:17.543 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: unused variable: `e` Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:37:8 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 37 | let e = 5; Dec 13 14:55:17.543 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.543 INFO [stderr] warning: unused variable: `e` Dec 13 14:55:17.543 INFO [stderr] --> src/test/data_types.rs:38:8 Dec 13 14:55:17.543 INFO [stderr] | Dec 13 14:55:17.543 INFO [stderr] 38 | let e = "I am now a string!"; // e has changed types from i32 --> string Dec 13 14:55:17.543 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 14:55:17.543 INFO [stderr] Dec 13 14:55:17.619 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:17.619 INFO [stderr] --> src/test/vectors.rs:9:9 Dec 13 14:55:17.619 INFO [stderr] | Dec 13 14:55:17.619 INFO [stderr] 9 | let x = Box::new(5); // This is closer to the Type-Theoretic defn of `List` := Nil | Cons(T, Box(List)) Dec 13 14:55:17.619 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:17.619 INFO [stderr] | Dec 13 14:55:17.619 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:17.619 INFO [stderr] Dec 13 14:55:18.728 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.68s Dec 13 14:55:18.731 INFO [stderr] su: No module specific data is present Dec 13 14:55:19.423 INFO running `"docker" "inspect" "d4b5ee6a6a2f2826d5ec44a6a527a19c026b8c8f0c32039df92e868ed4a98f63"` Dec 13 14:55:19.733 INFO running `"docker" "rm" "-f" "d4b5ee6a6a2f2826d5ec44a6a527a19c026b8c8f0c32039df92e868ed4a98f63"` Dec 13 14:55:20.147 INFO [stdout] d4b5ee6a6a2f2826d5ec44a6a527a19c026b8c8f0c32039df92e868ed4a98f63 Dec 13 14:55:20.147 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 14:55:20.567 INFO [stdout] 061fab01f9a2d3d65a21973e061706cff270564c9f83bfa9fb64e82338a0e88d Dec 13 14:55:20.699 INFO running `"docker" "start" "-a" "061fab01f9a2d3d65a21973e061706cff270564c9f83bfa9fb64e82338a0e88d"` Dec 13 14:55:21.831 INFO [stderr] usermod: no changes Dec 13 14:55:21.892 INFO [stderr] Compiling rust-systems v0.0.1 (/source) Dec 13 14:55:22.927 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:22.927 INFO [stderr] --> src/test/vectors.rs:9:9 Dec 13 14:55:22.927 INFO [stderr] | Dec 13 14:55:22.927 INFO [stderr] 9 | let x = Box::new(5); // This is closer to the Type-Theoretic defn of `List` := Nil | Cons(T, Box(List)) Dec 13 14:55:22.927 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:22.927 INFO [stderr] | Dec 13 14:55:22.927 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:22.927 INFO [stderr] Dec 13 14:55:23.299 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.299 INFO [stderr] --> src/test/data_types.rs:3:9 Dec 13 14:55:23.299 INFO [stderr] | Dec 13 14:55:23.299 INFO [stderr] 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Dec 13 14:55:23.299 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: unused variable: `z` Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:3:12 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Dec 13 14:55:23.327 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: unused variable: `k` Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:4:8 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 4 | let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type Dec 13 14:55:23.327 INFO [stderr] | ^ help: consider using `_k` instead Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: value assigned to `xp` is never read Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:11:12 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 11 | let mut xp = 5; Dec 13 14:55:23.327 INFO [stderr] | ^^ Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: value assigned to `a` is never read Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:32:12 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 32 | let mut a: i32 = 8; Dec 13 14:55:23.327 INFO [stderr] | ^ Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: unused variable: `a` Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:34:8 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 34 | let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). Dec 13 14:55:23.327 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: unused variable: `e` Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:37:8 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 37 | let e = 5; Dec 13 14:55:23.327 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 14:55:23.327 INFO [stderr] Dec 13 14:55:23.327 INFO [stderr] warning: unused variable: `e` Dec 13 14:55:23.327 INFO [stderr] --> src/test/data_types.rs:38:8 Dec 13 14:55:23.327 INFO [stderr] | Dec 13 14:55:23.327 INFO [stderr] 38 | let e = "I am now a string!"; // e has changed types from i32 --> string Dec 13 14:55:23.328 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 14:55:23.328 INFO [stderr] Dec 13 14:55:23.371 INFO [stderr] warning: unnecessary parentheses around assigned value Dec 13 14:55:23.371 INFO [stderr] --> src/test/primitive_types.rs:47:13 Dec 13 14:55:23.371 INFO [stderr] | Dec 13 14:55:23.371 INFO [stderr] 47 | let b = (0); // Normal zero Dec 13 14:55:23.371 INFO [stderr] | ^^^ help: remove these parentheses Dec 13 14:55:23.371 INFO [stderr] | Dec 13 14:55:23.371 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 14:55:23.371 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:3:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 3 | let x = true; Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:4:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 4 | let y: bool = false; Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:7:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 7 | let x = 'x'; Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:10:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 10 | let x = 42; // `x` has type `i32` Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:11:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 11 | let y = 1.0; // `y` has type `f64` Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `a` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:19:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 19 | let a = [1, 2, 3]; // a : [i32; 3] Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `m` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:20:13 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_m` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `names` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:25:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 25 | let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3] Dec 13 14:55:23.513 INFO [stderr] | ^^^^^ help: consider using `_names` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `b_duplicate` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:30:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 30 | let b_duplicate = &b[..]; // A slice containing everything in `a` Dec 13 14:55:23.513 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_b_duplicate` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `middle` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:31:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 31 | let middle = &b[1..4]; // A slice of `a` : [1, 2, 3] Dec 13 14:55:23.513 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:35:9 Dec 13 14:55:23.513 INFO [stderr] | Dec 13 14:55:23.513 INFO [stderr] 35 | let x = (1, "hello"); Dec 13 14:55:23.513 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.513 INFO [stderr] Dec 13 14:55:23.513 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.513 INFO [stderr] --> src/test/primitive_types.rs:36:9 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 36 | let y: (i32, &str) = (1, "hello"); Dec 13 14:55:23.514 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: variable `x` is assigned to, but never used Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:38:13 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 38 | let mut x = (1, 2); Dec 13 14:55:23.514 INFO [stderr] | ^ Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] = note: consider using `_x` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: value assigned to `x` is never read Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:40:5 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 40 | x = y; // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type Dec 13 14:55:23.514 INFO [stderr] | ^ Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: unused variable: `a` Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:46:9 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 46 | let a = (0,); // Tuple of arity 1 Dec 13 14:55:23.514 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: unused variable: `b` Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:47:9 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 47 | let b = (0); // Normal zero Dec 13 14:55:23.514 INFO [stderr] | ^ help: consider using `_b` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:52:9 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 52 | let x = tuple.0; Dec 13 14:55:23.514 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:53:9 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 53 | let y = tuple.1; Dec 13 14:55:23.514 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.514 INFO [stderr] warning: unused variable: `z` Dec 13 14:55:23.514 INFO [stderr] --> src/test/primitive_types.rs:54:9 Dec 13 14:55:23.514 INFO [stderr] | Dec 13 14:55:23.514 INFO [stderr] 54 | let z = tuple.2; Dec 13 14:55:23.514 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 14:55:23.514 INFO [stderr] Dec 13 14:55:23.543 INFO [stderr] warning: variable does not need to be mutable Dec 13 14:55:23.543 INFO [stderr] --> src/test/primitive_types.rs:20:9 Dec 13 14:55:23.543 INFO [stderr] | Dec 13 14:55:23.543 INFO [stderr] 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Dec 13 14:55:23.543 INFO [stderr] | ----^ Dec 13 14:55:23.543 INFO [stderr] | | Dec 13 14:55:23.543 INFO [stderr] | help: remove this `mut` Dec 13 14:55:23.543 INFO [stderr] | Dec 13 14:55:23.543 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 13 14:55:23.543 INFO [stderr] Dec 13 14:55:23.640 INFO [stderr] warning: unnecessary parentheses around assigned value Dec 13 14:55:23.640 INFO [stderr] --> src/test/functions.rs:20:13 Dec 13 14:55:23.640 INFO [stderr] | Dec 13 14:55:23.640 INFO [stderr] 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Dec 13 14:55:23.640 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 13 14:55:23.640 INFO [stderr] | Dec 13 14:55:23.640 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 14:55:23.640 INFO [stderr] Dec 13 14:55:23.763 INFO [stderr] warning: unreachable statement Dec 13 14:55:23.763 INFO [stderr] --> src/test/functions.rs:23:5 Dec 13 14:55:23.763 INFO [stderr] | Dec 13 14:55:23.763 INFO [stderr] 23 | let x: String = diverges(); Dec 13 14:55:23.763 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 14:55:23.767 INFO [stderr] | Dec 13 14:55:23.779 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 13 14:55:23.779 INFO [stderr] Dec 13 14:55:23.843 INFO [stderr] warning: variable `y` is assigned to, but never used Dec 13 14:55:23.843 INFO [stderr] --> src/test/functions.rs:19:13 Dec 13 14:55:23.843 INFO [stderr] | Dec 13 14:55:23.843 INFO [stderr] 19 | let mut y = 5; Dec 13 14:55:23.844 INFO [stderr] | ^ Dec 13 14:55:23.844 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.844 INFO [stderr] --> src/test/conditionals_and_loops.rs:14:9 Dec 13 14:55:23.845 INFO [stderr] | Dec 13 14:55:23.845 INFO [stderr] 14 | let y = if x == 5 { 10 } else { 15 }; // y : i32 Dec 13 14:55:23.845 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.845 INFO [stderr] | Dec 13 14:55:23.845 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:23.845 INFO [stderr] Dec 13 14:55:23.875 INFO [stderr] | Dec 13 14:55:23.875 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 14:55:23.876 INFO [stderr] = note: consider using `_y` instead Dec 13 14:55:23.876 INFO [stderr] Dec 13 14:55:23.876 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.877 INFO [stderr] --> src/test/functions.rs:20:9 Dec 13 14:55:23.877 INFO [stderr] | Dec 13 14:55:23.877 INFO [stderr] 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Dec 13 14:55:23.878 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.878 INFO [stderr] Dec 13 14:55:23.878 INFO [stderr] warning: value assigned to `y` is never read Dec 13 14:55:23.879 INFO [stderr] --> src/test/functions.rs:20:14 Dec 13 14:55:23.879 INFO [stderr] | Dec 13 14:55:23.879 INFO [stderr] 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Dec 13 14:55:23.879 INFO [stderr] | ^ Dec 13 14:55:23.879 INFO [stderr] | Dec 13 14:55:23.879 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 14:55:23.879 INFO [stderr] Dec 13 14:55:23.880 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.880 INFO [stderr] --> src/test/functions.rs:22:9 Dec 13 14:55:23.880 INFO [stderr] | Dec 13 14:55:23.880 INFO [stderr] 22 | let x: i32 = diverges(); Dec 13 14:55:23.880 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.880 INFO [stderr] Dec 13 14:55:23.880 INFO [stderr] warning: unused variable: `x` Dec 13 14:55:23.880 INFO [stderr] --> src/test/functions.rs:23:9 Dec 13 14:55:23.880 INFO [stderr] | Dec 13 14:55:23.880 INFO [stderr] 23 | let x: String = diverges(); Dec 13 14:55:23.880 INFO [stderr] | ^ help: consider using `_x` instead Dec 13 14:55:23.880 INFO [stderr] Dec 13 14:55:23.880 INFO [stderr] warning: unused variable: `f` Dec 13 14:55:23.880 INFO [stderr] --> src/test/functions.rs:28:9 Dec 13 14:55:23.881 INFO [stderr] | Dec 13 14:55:23.881 INFO [stderr] 28 | let f: fn(i32) -> i32; Dec 13 14:55:23.881 INFO [stderr] | ^ help: consider using `_f` instead Dec 13 14:55:23.881 INFO [stderr] Dec 13 14:55:23.881 INFO [stderr] warning: unused variable: `y` Dec 13 14:55:23.881 INFO [stderr] --> src/test/functions.rs:31:9 Dec 13 14:55:23.881 INFO [stderr] | Dec 13 14:55:23.881 INFO [stderr] 31 | let y = f(5, 6); Dec 13 14:55:23.881 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 14:55:23.881 INFO [stderr] Dec 13 14:55:23.883 INFO [stderr] warning: unused variable: `z` Dec 13 14:55:23.883 INFO [stderr] --> src/test/functions.rs:34:9 Dec 13 14:55:23.883 INFO [stderr] | Dec 13 14:55:23.883 INFO [stderr] 34 | let z = sum_number(5, 6); Dec 13 14:55:23.883 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 14:55:23.883 INFO [stderr] Dec 13 14:55:23.899 INFO [stderr] warning: function is never used: `sum_number_three` Dec 13 14:55:23.899 INFO [stderr] --> src/test/functions.rs:9:1 Dec 13 14:55:23.899 INFO [stderr] | Dec 13 14:55:23.900 INFO [stderr] 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 { Dec 13 14:55:23.900 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 13 14:55:23.903 INFO [stderr] | Dec 13 14:55:23.903 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 14:55:23.903 INFO [stderr] Dec 13 14:55:24.980 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.11s Dec 13 14:55:24.984 INFO [stderr] su: No module specific data is present Dec 13 14:55:26.202 INFO running `"docker" "inspect" "061fab01f9a2d3d65a21973e061706cff270564c9f83bfa9fb64e82338a0e88d"` Dec 13 14:55:26.563 INFO running `"docker" "rm" "-f" "061fab01f9a2d3d65a21973e061706cff270564c9f83bfa9fb64e82338a0e88d"` Dec 13 14:55:26.823 INFO [stdout] 061fab01f9a2d3d65a21973e061706cff270564c9f83bfa9fb64e82338a0e88d Dec 13 14:55:26.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 14:55:27.263 INFO [stdout] 2676d086df47de3eb147e95afab5c4f9681d5ed447db62df374235d36f475b9f Dec 13 14:55:27.265 INFO running `"docker" "start" "-a" "2676d086df47de3eb147e95afab5c4f9681d5ed447db62df374235d36f475b9f"` Dec 13 14:55:28.831 INFO [stderr] usermod: no changes Dec 13 14:55:28.919 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s Dec 13 14:55:28.931 INFO [stderr] Running /target/debug/deps/conditionals_and_loops-6abc256ee81e5f42 Dec 13 14:55:28.931 INFO [stderr] Running /target/debug/deps/data_types-6b8652314e0f3cec Dec 13 14:55:28.931 INFO [stdout] Dec 13 14:55:28.931 INFO [stdout] running 0 tests Dec 13 14:55:28.931 INFO [stdout] Dec 13 14:55:28.931 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 14:55:28.931 INFO [stdout] Dec 13 14:55:28.931 INFO [stdout] Dec 13 14:55:28.931 INFO [stdout] running 0 tests Dec 13 14:55:28.931 INFO [stdout] Dec 13 14:55:28.931 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 14:55:28.931 INFO [stdout] Dec 13 14:55:28.931 INFO [stderr] Running /target/debug/deps/functions-97560bee771da1cc Dec 13 14:55:28.939 INFO [stdout] Dec 13 14:55:28.939 INFO [stdout] running 0 tests Dec 13 14:55:28.939 INFO [stdout] Dec 13 14:55:28.939 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 14:55:28.939 INFO [stdout] Dec 13 14:55:28.939 INFO [stdout] Dec 13 14:55:28.939 INFO [stdout] running 0 tests Dec 13 14:55:28.939 INFO [stdout] Dec 13 14:55:28.939 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 14:55:28.939 INFO [stdout] Dec 13 14:55:28.939 INFO [stderr] Running /target/debug/deps/hello_world-eeeb340ab5a434e7 Dec 13 14:55:28.939 INFO [stderr] Running /target/debug/deps/primitive_types-1b71f11d5d0906df Dec 13 14:55:28.948 INFO [stdout] Dec 13 14:55:28.948 INFO [stdout] running 0 tests Dec 13 14:55:28.948 INFO [stdout] Dec 13 14:55:28.948 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 14:55:28.948 INFO [stdout] Dec 13 14:55:28.948 INFO [stdout] Dec 13 14:55:28.948 INFO [stdout] running 0 tests Dec 13 14:55:28.948 INFO [stdout] Dec 13 14:55:28.948 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 14:55:28.948 INFO [stdout] Dec 13 14:55:28.948 INFO [stderr] Running /target/debug/deps/vectors-ca97c15f6d49670f Dec 13 14:55:28.951 INFO [stderr] su: No module specific data is present Dec 13 14:55:29.899 INFO running `"docker" "inspect" "2676d086df47de3eb147e95afab5c4f9681d5ed447db62df374235d36f475b9f"` Dec 13 14:55:30.151 INFO running `"docker" "rm" "-f" "2676d086df47de3eb147e95afab5c4f9681d5ed447db62df374235d36f475b9f"` Dec 13 14:55:30.407 INFO [stdout] 2676d086df47de3eb147e95afab5c4f9681d5ed447db62df374235d36f475b9f