Nov 01 15:50:28.433 INFO testing amitdash291/rust_lifetimes against 1.30.0 for beta-1.31-1
Nov 01 15:50:28.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:50:28.698 INFO blam! 793ce1991019a2b10d20cad72b020b8f59c3c11cebb1cac3e6f7a934f29e2cc2
Nov 01 15:50:28.701 INFO running `"docker" "start" "-a" "793ce1991019a2b10d20cad72b020b8f59c3c11cebb1cac3e6f7a934f29e2cc2"`
Nov 01 15:50:29.066 INFO kablam! usermod: no changes
Nov 01 15:50:29.094 INFO kablam!    Compiling lifetime_demo v0.1.0 (/source)
Nov 01 15:50:29.435 INFO kablam! warning: variable `result_ref` is assigned to, but never used
Nov 01 15:50:29.435 INFO kablam!  --> src/main.rs:4:9
Nov 01 15:50:29.435 INFO kablam!   |
Nov 01 15:50:29.435 INFO kablam! 4 |     let result_ref;
Nov 01 15:50:29.435 INFO kablam!   |         ^^^^^^^^^^
Nov 01 15:50:29.435 INFO kablam!   |
Nov 01 15:50:29.435 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 15:50:29.435 INFO kablam!   = note: consider using `_result_ref` instead
Nov 01 15:50:29.435 INFO kablam! 
Nov 01 15:50:29.435 INFO kablam! warning: value assigned to `result_ref` is never read
Nov 01 15:50:29.435 INFO kablam!  --> src/main.rs:6:5
Nov 01 15:50:29.435 INFO kablam!   |
Nov 01 15:50:29.435 INFO kablam! 6 |     result_ref = which_is_greater(&a, &b)
Nov 01 15:50:29.435 INFO kablam!   |     ^^^^^^^^^^
Nov 01 15:50:29.435 INFO kablam!   |
Nov 01 15:50:29.435 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 01 15:50:29.435 INFO kablam! 
Nov 01 15:50:29.435 INFO kablam! warning: unused variable: `a`
Nov 01 15:50:29.435 INFO kablam!   --> src/main.rs:25:29
Nov 01 15:50:29.435 INFO kablam!    |
Nov 01 15:50:29.435 INFO kablam! 25 | fn which_is_greater<'a, 'b>(a: &'a i32, b: &'b i32) -> &'b i32 {
Nov 01 15:50:29.435 INFO kablam!    |                             ^ help: consider using `_a` instead
Nov 01 15:50:29.435 INFO kablam! 
Nov 01 15:50:29.435 INFO kablam! warning: unused variable: `b`
Nov 01 15:50:29.435 INFO kablam!   --> src/main.rs:25:41
Nov 01 15:50:29.435 INFO kablam!    |
Nov 01 15:50:29.435 INFO kablam! 25 | fn which_is_greater<'a, 'b>(a: &'a i32, b: &'b i32) -> &'b i32 {
Nov 01 15:50:29.435 INFO kablam!    |                                         ^ help: consider using `_b` instead
Nov 01 15:50:29.435 INFO kablam! 
Nov 01 15:50:29.435 INFO kablam! warning: unused variable: `vec1`
Nov 01 15:50:29.435 INFO kablam!   --> src/main.rs:37:13
Nov 01 15:50:29.435 INFO kablam!    |
Nov 01 15:50:29.435 INFO kablam! 37 |     let mut vec1: Vec<i32> = Vec::new();
Nov 01 15:50:29.435 INFO kablam!    |             ^^^^ help: consider using `_vec1` instead
Nov 01 15:50:29.435 INFO kablam! 
Nov 01 15:50:29.441 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:50:29.441 INFO kablam!   --> src/main.rs:37:9
Nov 01 15:50:29.441 INFO kablam!    |
Nov 01 15:50:29.441 INFO kablam! 37 |     let mut vec1: Vec<i32> = Vec::new();
Nov 01 15:50:29.441 INFO kablam!    |         ----^^^^
Nov 01 15:50:29.441 INFO kablam!    |         |
Nov 01 15:50:29.441 INFO kablam!    |         help: remove this `mut`
Nov 01 15:50:29.441 INFO kablam!    |
Nov 01 15:50:29.441 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 15:50:29.441 INFO kablam! 
Nov 01 15:50:29.441 INFO kablam! warning: function is never used: `test_mut_ref`
Nov 01 15:50:29.441 INFO kablam!   --> src/main.rs:34:1
Nov 01 15:50:29.441 INFO kablam!    |
Nov 01 15:50:29.441 INFO kablam! 34 | fn test_mut_ref() {
Nov 01 15:50:29.441 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Nov 01 15:50:29.441 INFO kablam!    |
Nov 01 15:50:29.441 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 15:50:29.441 INFO kablam! 
Nov 01 15:50:29.441 INFO kablam! warning: function is never used: `copy_vec`
Nov 01 15:50:29.441 INFO kablam!   --> src/main.rs:40:1
Nov 01 15:50:29.441 INFO kablam!    |
Nov 01 15:50:29.441 INFO kablam! 40 | fn copy_vec(from: &Vec<i32>, to: &mut Vec<i32>) {
Nov 01 15:50:29.441 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 15:50:29.441 INFO kablam! 
Nov 01 15:50:29.667 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Nov 01 15:50:29.669 INFO kablam! su: No module specific data is present
Nov 01 15:50:29.984 INFO running `"docker" "rm" "-f" "793ce1991019a2b10d20cad72b020b8f59c3c11cebb1cac3e6f7a934f29e2cc2"`
Nov 01 15:50:30.155 INFO blam! 793ce1991019a2b10d20cad72b020b8f59c3c11cebb1cac3e6f7a934f29e2cc2
Nov 01 15:50:30.157 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:50:30.485 INFO blam! a153042d8f73a3671b1a86a38c4bc184d89b04227a09387a64fbbea4c5aeedcc
Nov 01 15:50:30.488 INFO running `"docker" "start" "-a" "a153042d8f73a3671b1a86a38c4bc184d89b04227a09387a64fbbea4c5aeedcc"`
Nov 01 15:50:31.277 INFO kablam! usermod: no changes
Nov 01 15:50:31.318 INFO kablam!    Compiling lifetime_demo v0.1.0 (/source)
Nov 01 15:50:31.827 INFO kablam! warning: variable `result_ref` is assigned to, but never used
Nov 01 15:50:31.827 INFO kablam!  --> src/main.rs:4:9
Nov 01 15:50:31.827 INFO kablam!   |
Nov 01 15:50:31.827 INFO kablam! 4 |     let result_ref;
Nov 01 15:50:31.827 INFO kablam!   |         ^^^^^^^^^^
Nov 01 15:50:31.827 INFO kablam!   |
Nov 01 15:50:31.827 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 15:50:31.827 INFO kablam!   = note: consider using `_result_ref` instead
Nov 01 15:50:31.827 INFO kablam! 
Nov 01 15:50:31.827 INFO kablam! warning: value assigned to `result_ref` is never read
Nov 01 15:50:31.827 INFO kablam!  --> src/main.rs:6:5
Nov 01 15:50:31.827 INFO kablam!   |
Nov 01 15:50:31.827 INFO kablam! 6 |     result_ref = which_is_greater(&a, &b)
Nov 01 15:50:31.827 INFO kablam!   |     ^^^^^^^^^^
Nov 01 15:50:31.827 INFO kablam!   |
Nov 01 15:50:31.827 INFO kablam!   = note: #[warn(unused_assignments)] on by default
Nov 01 15:50:31.827 INFO kablam! 
Nov 01 15:50:31.827 INFO kablam! warning: unused variable: `a`
Nov 01 15:50:31.827 INFO kablam!   --> src/main.rs:25:29
Nov 01 15:50:31.827 INFO kablam!    |
Nov 01 15:50:31.827 INFO kablam! 25 | fn which_is_greater<'a, 'b>(a: &'a i32, b: &'b i32) -> &'b i32 {
Nov 01 15:50:31.827 INFO kablam!    |                             ^ help: consider using `_a` instead
Nov 01 15:50:31.827 INFO kablam! 
Nov 01 15:50:31.827 INFO kablam! warning: unused variable: `b`
Nov 01 15:50:31.827 INFO kablam!   --> src/main.rs:25:41
Nov 01 15:50:31.827 INFO kablam!    |
Nov 01 15:50:31.827 INFO kablam! 25 | fn which_is_greater<'a, 'b>(a: &'a i32, b: &'b i32) -> &'b i32 {
Nov 01 15:50:31.827 INFO kablam!    |                                         ^ help: consider using `_b` instead
Nov 01 15:50:31.827 INFO kablam! 
Nov 01 15:50:31.827 INFO kablam! warning: unused variable: `vec1`
Nov 01 15:50:31.827 INFO kablam!   --> src/main.rs:37:13
Nov 01 15:50:31.827 INFO kablam!    |
Nov 01 15:50:31.827 INFO kablam! 37 |     let mut vec1: Vec<i32> = Vec::new();
Nov 01 15:50:31.827 INFO kablam!    |             ^^^^ help: consider using `_vec1` instead
Nov 01 15:50:31.827 INFO kablam! 
Nov 01 15:50:31.827 INFO kablam! warning: variable does not need to be mutable
Nov 01 15:50:31.827 INFO kablam!   --> src/main.rs:37:9
Nov 01 15:50:31.827 INFO kablam!    |
Nov 01 15:50:31.827 INFO kablam! 37 |     let mut vec1: Vec<i32> = Vec::new();
Nov 01 15:50:31.827 INFO kablam!    |         ----^^^^
Nov 01 15:50:31.827 INFO kablam!    |         |
Nov 01 15:50:31.827 INFO kablam!    |         help: remove this `mut`
Nov 01 15:50:31.827 INFO kablam!    |
Nov 01 15:50:31.827 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 15:50:31.827 INFO kablam! 
Nov 01 15:50:31.833 INFO kablam! warning: function is never used: `test_mut_ref`
Nov 01 15:50:31.833 INFO kablam!   --> src/main.rs:34:1
Nov 01 15:50:31.833 INFO kablam!    |
Nov 01 15:50:31.833 INFO kablam! 34 | fn test_mut_ref() {
Nov 01 15:50:31.833 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Nov 01 15:50:31.833 INFO kablam!    |
Nov 01 15:50:31.833 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 15:50:31.833 INFO kablam! 
Nov 01 15:50:31.833 INFO kablam! warning: function is never used: `copy_vec`
Nov 01 15:50:31.833 INFO kablam!   --> src/main.rs:40:1
Nov 01 15:50:31.833 INFO kablam!    |
Nov 01 15:50:31.833 INFO kablam! 40 | fn copy_vec(from: &Vec<i32>, to: &mut Vec<i32>) {
Nov 01 15:50:31.833 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 15:50:31.833 INFO kablam! 
Nov 01 15:50:32.355 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Nov 01 15:50:32.360 INFO kablam! su: No module specific data is present
Nov 01 15:50:32.951 INFO running `"docker" "rm" "-f" "a153042d8f73a3671b1a86a38c4bc184d89b04227a09387a64fbbea4c5aeedcc"`
Nov 01 15:50:33.111 INFO blam! a153042d8f73a3671b1a86a38c4bc184d89b04227a09387a64fbbea4c5aeedcc
Nov 01 15:50:33.114 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:50:33.296 INFO blam! eba19bb3e38c8b2a0c75c35166be87fd441ed7a5cd402ee266c563c378b7af44
Nov 01 15:50:33.300 INFO running `"docker" "start" "-a" "eba19bb3e38c8b2a0c75c35166be87fd441ed7a5cd402ee266c563c378b7af44"`
Nov 01 15:50:33.967 INFO kablam! usermod: no changes
Nov 01 15:50:34.023 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 01 15:50:34.030 INFO kablam!      Running /target/debug/deps/lifetime_demo-ae954fe52aaa5be5
Nov 01 15:50:34.058 INFO blam! 
Nov 01 15:50:34.058 INFO blam! running 0 tests
Nov 01 15:50:34.058 INFO blam! 
Nov 01 15:50:34.058 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 15:50:34.058 INFO blam! 
Nov 01 15:50:34.059 INFO kablam! su: No module specific data is present
Nov 01 15:50:34.699 INFO running `"docker" "rm" "-f" "eba19bb3e38c8b2a0c75c35166be87fd441ed7a5cd402ee266c563c378b7af44"`
Nov 01 15:50:35.007 INFO blam! eba19bb3e38c8b2a0c75c35166be87fd441ed7a5cd402ee266c563c378b7af44
