Oct 31 18:14:13.493 INFO testing tperdue321/rust_ownership against 1.30.0 for beta-1.31-1
Oct 31 18:14:13.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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"`
Oct 31 18:14:13.708 INFO blam! d1c2c8835dd28e2748cd6010b3f3cc99838206e1d79cdd61fb6b7f29757b13bd
Oct 31 18:14:13.713 INFO running `"docker" "start" "-a" "d1c2c8835dd28e2748cd6010b3f3cc99838206e1d79cdd61fb6b7f29757b13bd"`
Oct 31 18:14:14.387 INFO kablam! usermod: no changes
Oct 31 18:14:14.421 INFO kablam!    Compiling ownership v0.1.0 (/source)
Oct 31 18:14:14.606 INFO kablam! warning: unused variable: `string`
Oct 31 18:14:14.607 INFO kablam!   --> src/main.rs:13:13
Oct 31 18:14:14.607 INFO kablam!    |
Oct 31 18:14:14.607 INFO kablam! 13 |         let string = "hello"; // string is valid from here forward
Oct 31 18:14:14.607 INFO kablam!    |             ^^^^^^ help: consider using `_string` instead
Oct 31 18:14:14.608 INFO kablam!    |
Oct 31 18:14:14.608 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 18:14:14.608 INFO kablam! 
Oct 31 18:14:14.608 INFO kablam! warning: unused variable: `s2`
Oct 31 18:14:14.608 INFO kablam!   --> src/main.rs:40:9
Oct 31 18:14:14.609 INFO kablam!    |
Oct 31 18:14:14.609 INFO kablam! 40 |     let s2 = s1;
Oct 31 18:14:14.609 INFO kablam!    |         ^^ help: consider using `_s2` instead
Oct 31 18:14:14.609 INFO kablam! 
Oct 31 18:14:14.609 INFO kablam! warning: unused variable: `s1`
Oct 31 18:14:14.609 INFO kablam!   --> src/main.rs:68:9
Oct 31 18:14:14.610 INFO kablam!    |
Oct 31 18:14:14.610 INFO kablam! 68 |     let s1 = gives_ownership();         // gives_ownership moves its return
Oct 31 18:14:14.610 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 31 18:14:14.610 INFO kablam! 
Oct 31 18:14:14.610 INFO kablam! warning: unused variable: `r1`
Oct 31 18:14:14.611 INFO kablam!   --> src/main.rs:98:9
Oct 31 18:14:14.611 INFO kablam!    |
Oct 31 18:14:14.611 INFO kablam! 98 |     let r1 = &mut s2;
Oct 31 18:14:14.611 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 31 18:14:14.611 INFO kablam! 
Oct 31 18:14:14.611 INFO kablam! warning: unused variable: `r3`
Oct 31 18:14:14.612 INFO kablam!    --> src/main.rs:107:13
Oct 31 18:14:14.612 INFO kablam!     |
Oct 31 18:14:14.612 INFO kablam! 107 |         let r3 = &mut s3;
Oct 31 18:14:14.612 INFO kablam!     |             ^^ help: consider using `_r3` instead
Oct 31 18:14:14.612 INFO kablam! 
Oct 31 18:14:14.613 INFO kablam! warning: unused variable: `r4`
Oct 31 18:14:14.613 INFO kablam!    --> src/main.rs:110:9
Oct 31 18:14:14.613 INFO kablam!     |
Oct 31 18:14:14.613 INFO kablam! 110 |     let r4 = &mut s3;
Oct 31 18:14:14.613 INFO kablam!     |         ^^ help: consider using `_r4` instead
Oct 31 18:14:14.613 INFO kablam! 
Oct 31 18:14:14.631 INFO kablam! warning: unused variable: `r1`
Oct 31 18:14:14.631 INFO kablam!    --> src/main.rs:113:9
Oct 31 18:14:14.631 INFO kablam!     |
Oct 31 18:14:14.631 INFO kablam! 113 |     let r1 = &s; // immutable ref
Oct 31 18:14:14.632 INFO kablam!     |         ^^ help: consider using `_r1` instead
Oct 31 18:14:14.632 INFO kablam! 
Oct 31 18:14:14.632 INFO kablam! warning: unused variable: `r2`
Oct 31 18:14:14.632 INFO kablam!    --> src/main.rs:114:9
Oct 31 18:14:14.632 INFO kablam!     |
Oct 31 18:14:14.632 INFO kablam! 114 |     let r2 = &s; // second because as many refs can read the same data safely
Oct 31 18:14:14.633 INFO kablam!     |         ^^ help: consider using `_r2` instead
Oct 31 18:14:14.633 INFO kablam! 
Oct 31 18:14:14.633 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.633 INFO kablam!    --> src/main.rs:140:9
Oct 31 18:14:14.633 INFO kablam!     |
Oct 31 18:14:14.633 INFO kablam! 140 |     let slice = &s[0..2];   // same
Oct 31 18:14:14.634 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.634 INFO kablam! 
Oct 31 18:14:14.634 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.634 INFO kablam!    --> src/main.rs:141:9
Oct 31 18:14:14.634 INFO kablam!     |
Oct 31 18:14:14.634 INFO kablam! 141 |     let slice = &s[..2];    // same
Oct 31 18:14:14.635 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.635 INFO kablam! 
Oct 31 18:14:14.635 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.635 INFO kablam!    --> src/main.rs:145:9
Oct 31 18:14:14.635 INFO kablam!     |
Oct 31 18:14:14.636 INFO kablam! 145 |     let slice = &s[2..len]; // same
Oct 31 18:14:14.636 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.636 INFO kablam! 
Oct 31 18:14:14.636 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.636 INFO kablam!    --> src/main.rs:146:9
Oct 31 18:14:14.636 INFO kablam!     |
Oct 31 18:14:14.637 INFO kablam! 146 |     let slice = &s[2..];    // same
Oct 31 18:14:14.637 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.637 INFO kablam! 
Oct 31 18:14:14.637 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.637 INFO kablam!    --> src/main.rs:148:9
Oct 31 18:14:14.637 INFO kablam!     |
Oct 31 18:14:14.638 INFO kablam! 148 |     let slice = &s[0..len]; // same
Oct 31 18:14:14.638 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.638 INFO kablam! 
Oct 31 18:14:14.638 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.638 INFO kablam!    --> src/main.rs:149:9
Oct 31 18:14:14.639 INFO kablam!     |
Oct 31 18:14:14.639 INFO kablam! 149 |     let slice = &s[..];     // same
Oct 31 18:14:14.639 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.639 INFO kablam! 
Oct 31 18:14:14.639 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:14.639 INFO kablam!    --> src/main.rs:166:9
Oct 31 18:14:14.640 INFO kablam!     |
Oct 31 18:14:14.640 INFO kablam! 166 |     let slice = &a[0..2];
Oct 31 18:14:14.640 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:14.640 INFO kablam! 
Oct 31 18:14:14.640 INFO kablam! warning: variable does not need to be mutable
Oct 31 18:14:14.641 INFO kablam!    --> src/main.rs:112:9
Oct 31 18:14:14.641 INFO kablam!     |
Oct 31 18:14:14.641 INFO kablam! 112 |     let mut s = String::from("hello s");
Oct 31 18:14:14.641 INFO kablam!     |         ----^
Oct 31 18:14:14.641 INFO kablam!     |         |
Oct 31 18:14:14.641 INFO kablam!     |         help: remove this `mut`
Oct 31 18:14:14.642 INFO kablam!     |
Oct 31 18:14:14.642 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 18:14:14.642 INFO kablam! 
Oct 31 18:14:15.119 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Oct 31 18:14:15.127 INFO kablam! su: No module specific data is present
Oct 31 18:14:15.483 INFO running `"docker" "rm" "-f" "d1c2c8835dd28e2748cd6010b3f3cc99838206e1d79cdd61fb6b7f29757b13bd"`
Oct 31 18:14:15.587 INFO blam! d1c2c8835dd28e2748cd6010b3f3cc99838206e1d79cdd61fb6b7f29757b13bd
Oct 31 18:14:15.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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"`
Oct 31 18:14:15.934 INFO blam! fbe81243f87921d0c392f239fc47b4652eb885dc15cae79ae5a3a6207468d951
Oct 31 18:14:15.936 INFO running `"docker" "start" "-a" "fbe81243f87921d0c392f239fc47b4652eb885dc15cae79ae5a3a6207468d951"`
Oct 31 18:14:16.847 INFO kablam! usermod: no changes
Oct 31 18:14:16.898 INFO kablam!    Compiling ownership v0.1.0 (/source)
Oct 31 18:14:17.206 INFO kablam! warning: unused variable: `string`
Oct 31 18:14:17.207 INFO kablam!   --> src/main.rs:13:13
Oct 31 18:14:17.207 INFO kablam!    |
Oct 31 18:14:17.208 INFO kablam! 13 |         let string = "hello"; // string is valid from here forward
Oct 31 18:14:17.208 INFO kablam!    |             ^^^^^^ help: consider using `_string` instead
Oct 31 18:14:17.208 INFO kablam!    |
Oct 31 18:14:17.208 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 18:14:17.209 INFO kablam! 
Oct 31 18:14:17.209 INFO kablam! warning: unused variable: `s2`
Oct 31 18:14:17.209 INFO kablam!   --> src/main.rs:40:9
Oct 31 18:14:17.210 INFO kablam!    |
Oct 31 18:14:17.210 INFO kablam! 40 |     let s2 = s1;
Oct 31 18:14:17.210 INFO kablam!    |         ^^ help: consider using `_s2` instead
Oct 31 18:14:17.211 INFO kablam! 
Oct 31 18:14:17.211 INFO kablam! warning: unused variable: `s1`
Oct 31 18:14:17.211 INFO kablam!   --> src/main.rs:68:9
Oct 31 18:14:17.212 INFO kablam!    |
Oct 31 18:14:17.212 INFO kablam! 68 |     let s1 = gives_ownership();         // gives_ownership moves its return
Oct 31 18:14:17.212 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 31 18:14:17.212 INFO kablam! 
Oct 31 18:14:17.213 INFO kablam! warning: unused variable: `r1`
Oct 31 18:14:17.213 INFO kablam!   --> src/main.rs:98:9
Oct 31 18:14:17.213 INFO kablam!    |
Oct 31 18:14:17.214 INFO kablam! 98 |     let r1 = &mut s2;
Oct 31 18:14:17.214 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 31 18:14:17.214 INFO kablam! 
Oct 31 18:14:17.215 INFO kablam! warning: unused variable: `r3`
Oct 31 18:14:17.215 INFO kablam!    --> src/main.rs:107:13
Oct 31 18:14:17.215 INFO kablam!     |
Oct 31 18:14:17.215 INFO kablam! 107 |         let r3 = &mut s3;
Oct 31 18:14:17.216 INFO kablam!     |             ^^ help: consider using `_r3` instead
Oct 31 18:14:17.216 INFO kablam! 
Oct 31 18:14:17.216 INFO kablam! warning: unused variable: `r4`
Oct 31 18:14:17.216 INFO kablam!    --> src/main.rs:110:9
Oct 31 18:14:17.217 INFO kablam!     |
Oct 31 18:14:17.217 INFO kablam! 110 |     let r4 = &mut s3;
Oct 31 18:14:17.217 INFO kablam!     |         ^^ help: consider using `_r4` instead
Oct 31 18:14:17.217 INFO kablam! 
Oct 31 18:14:17.217 INFO kablam! warning: unused variable: `r1`
Oct 31 18:14:17.217 INFO kablam!    --> src/main.rs:113:9
Oct 31 18:14:17.217 INFO kablam!     |
Oct 31 18:14:17.217 INFO kablam! 113 |     let r1 = &s; // immutable ref
Oct 31 18:14:17.217 INFO kablam!     |         ^^ help: consider using `_r1` instead
Oct 31 18:14:17.217 INFO kablam! 
Oct 31 18:14:17.217 INFO kablam! warning: unused variable: `r2`
Oct 31 18:14:17.218 INFO kablam!    --> src/main.rs:114:9
Oct 31 18:14:17.218 INFO kablam!     |
Oct 31 18:14:17.218 INFO kablam! 114 |     let r2 = &s; // second because as many refs can read the same data safely
Oct 31 18:14:17.218 INFO kablam!     |         ^^ help: consider using `_r2` instead
Oct 31 18:14:17.218 INFO kablam! 
Oct 31 18:14:17.218 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.218 INFO kablam!    --> src/main.rs:140:9
Oct 31 18:14:17.218 INFO kablam!     |
Oct 31 18:14:17.218 INFO kablam! 140 |     let slice = &s[0..2];   // same
Oct 31 18:14:17.218 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.218 INFO kablam! 
Oct 31 18:14:17.218 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.218 INFO kablam!    --> src/main.rs:141:9
Oct 31 18:14:17.218 INFO kablam!     |
Oct 31 18:14:17.218 INFO kablam! 141 |     let slice = &s[..2];    // same
Oct 31 18:14:17.218 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.218 INFO kablam! 
Oct 31 18:14:17.218 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.218 INFO kablam!    --> src/main.rs:145:9
Oct 31 18:14:17.218 INFO kablam!     |
Oct 31 18:14:17.218 INFO kablam! 145 |     let slice = &s[2..len]; // same
Oct 31 18:14:17.218 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.219 INFO kablam! 
Oct 31 18:14:17.219 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.219 INFO kablam!    --> src/main.rs:146:9
Oct 31 18:14:17.219 INFO kablam!     |
Oct 31 18:14:17.219 INFO kablam! 146 |     let slice = &s[2..];    // same
Oct 31 18:14:17.219 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.219 INFO kablam! 
Oct 31 18:14:17.219 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.219 INFO kablam!    --> src/main.rs:148:9
Oct 31 18:14:17.219 INFO kablam!     |
Oct 31 18:14:17.219 INFO kablam! 148 |     let slice = &s[0..len]; // same
Oct 31 18:14:17.219 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.219 INFO kablam! 
Oct 31 18:14:17.219 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.219 INFO kablam!    --> src/main.rs:149:9
Oct 31 18:14:17.219 INFO kablam!     |
Oct 31 18:14:17.219 INFO kablam! 149 |     let slice = &s[..];     // same
Oct 31 18:14:17.219 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.219 INFO kablam! 
Oct 31 18:14:17.219 INFO kablam! warning: unused variable: `slice`
Oct 31 18:14:17.219 INFO kablam!    --> src/main.rs:166:9
Oct 31 18:14:17.219 INFO kablam!     |
Oct 31 18:14:17.219 INFO kablam! 166 |     let slice = &a[0..2];
Oct 31 18:14:17.219 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 31 18:14:17.220 INFO kablam! 
Oct 31 18:14:17.220 INFO kablam! warning: variable does not need to be mutable
Oct 31 18:14:17.220 INFO kablam!    --> src/main.rs:112:9
Oct 31 18:14:17.220 INFO kablam!     |
Oct 31 18:14:17.220 INFO kablam! 112 |     let mut s = String::from("hello s");
Oct 31 18:14:17.220 INFO kablam!     |         ----^
Oct 31 18:14:17.220 INFO kablam!     |         |
Oct 31 18:14:17.220 INFO kablam!     |         help: remove this `mut`
Oct 31 18:14:17.220 INFO kablam!     |
Oct 31 18:14:17.220 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 18:14:17.220 INFO kablam! 
Oct 31 18:14:17.683 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Oct 31 18:14:17.683 INFO kablam! su: No module specific data is present
Oct 31 18:14:18.239 INFO running `"docker" "rm" "-f" "fbe81243f87921d0c392f239fc47b4652eb885dc15cae79ae5a3a6207468d951"`
Oct 31 18:14:18.495 INFO blam! fbe81243f87921d0c392f239fc47b4652eb885dc15cae79ae5a3a6207468d951
Oct 31 18:14:18.503 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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"`
Oct 31 18:14:18.899 INFO blam! e3c46c176ca047e17ab9fcf452f4c5123b9fc91d5fe1c4dae3f1767935150449
Oct 31 18:14:18.902 INFO running `"docker" "start" "-a" "e3c46c176ca047e17ab9fcf452f4c5123b9fc91d5fe1c4dae3f1767935150449"`
Oct 31 18:14:19.664 INFO kablam! usermod: no changes
Oct 31 18:14:19.694 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Oct 31 18:14:19.694 INFO blam! 
Oct 31 18:14:19.694 INFO kablam!      Running /target/debug/deps/ownership-c3636c9a7cfeb48c
Oct 31 18:14:19.694 INFO blam! running 0 tests
Oct 31 18:14:19.694 INFO kablam! su: No module specific data is present
Oct 31 18:14:19.694 INFO blam! 
Oct 31 18:14:19.694 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 31 18:14:19.694 INFO blam! 
Oct 31 18:14:19.997 INFO running `"docker" "rm" "-f" "e3c46c176ca047e17ab9fcf452f4c5123b9fc91d5fe1c4dae3f1767935150449"`
Oct 31 18:14:20.089 INFO blam! e3c46c176ca047e17ab9fcf452f4c5123b9fc91d5fe1c4dae3f1767935150449
