Nov 09 03:24:13.522 INFO checking tperdue321/rust_ownership against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 03:24:13.522 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-alt check --frozen --all --all-targets" "-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"`
Nov 09 03:24:14.020 INFO blam! 96f10610dd42f71be7a68101846df4e68a077294ffa3bb15903d6a1b72433dd0
Nov 09 03:24:14.022 INFO running `"docker" "start" "-a" "96f10610dd42f71be7a68101846df4e68a077294ffa3bb15903d6a1b72433dd0"`
Nov 09 03:24:15.711 INFO kablam! usermod: no changes
Nov 09 03:24:15.711 INFO kablam!     Checking ownership v0.1.0 (/source)
Nov 09 03:24:15.951 INFO kablam! warning: unused variable: `string`
Nov 09 03:24:15.952 INFO kablam!   --> src/main.rs:13:13
Nov 09 03:24:15.952 INFO kablam!    |
Nov 09 03:24:15.952 INFO kablam! 13 |         let string = "hello"; // string is valid from here forward
Nov 09 03:24:15.952 INFO kablam!    |             ^^^^^^ help: consider using `_string` instead
Nov 09 03:24:15.953 INFO kablam!    |
Nov 09 03:24:15.953 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 03:24:15.953 INFO kablam! 
Nov 09 03:24:15.954 INFO kablam! warning: unused variable: `s2`
Nov 09 03:24:15.954 INFO kablam!   --> src/main.rs:40:9
Nov 09 03:24:15.954 INFO kablam!    |
Nov 09 03:24:15.955 INFO kablam! 40 |     let s2 = s1;
Nov 09 03:24:15.955 INFO kablam!    |         ^^ help: consider using `_s2` instead
Nov 09 03:24:15.955 INFO kablam! 
Nov 09 03:24:15.956 INFO kablam! warning: unused variable: `s1`
Nov 09 03:24:15.956 INFO kablam!   --> src/main.rs:68:9
Nov 09 03:24:15.956 INFO kablam!    |
Nov 09 03:24:15.957 INFO kablam! 68 |     let s1 = gives_ownership();         // gives_ownership moves its return
Nov 09 03:24:15.957 INFO kablam!    |         ^^ help: consider using `_s1` instead
Nov 09 03:24:15.957 INFO kablam! 
Nov 09 03:24:15.957 INFO kablam! warning: unused variable: `r1`
Nov 09 03:24:15.958 INFO kablam!   --> src/main.rs:98:9
Nov 09 03:24:15.958 INFO kablam!    |
Nov 09 03:24:15.958 INFO kablam! 98 |     let r1 = &mut s2;
Nov 09 03:24:15.959 INFO kablam!    |         ^^ help: consider using `_r1` instead
Nov 09 03:24:15.959 INFO kablam! 
Nov 09 03:24:15.959 INFO kablam! warning: unused variable: `r3`
Nov 09 03:24:15.959 INFO kablam!    --> src/main.rs:107:13
Nov 09 03:24:15.960 INFO kablam!     |
Nov 09 03:24:15.960 INFO kablam! 107 |         let r3 = &mut s3;
Nov 09 03:24:15.960 INFO kablam!     |             ^^ help: consider using `_r3` instead
Nov 09 03:24:15.961 INFO kablam! 
Nov 09 03:24:15.961 INFO kablam! warning: unused variable: `r4`
Nov 09 03:24:15.961 INFO kablam!    --> src/main.rs:110:9
Nov 09 03:24:15.962 INFO kablam!     |
Nov 09 03:24:15.962 INFO kablam! 110 |     let r4 = &mut s3;
Nov 09 03:24:15.962 INFO kablam!     |         ^^ help: consider using `_r4` instead
Nov 09 03:24:15.963 INFO kablam! 
Nov 09 03:24:15.963 INFO kablam! warning: unused variable: `r1`
Nov 09 03:24:15.963 INFO kablam!    --> src/main.rs:113:9
Nov 09 03:24:15.964 INFO kablam!     |
Nov 09 03:24:15.964 INFO kablam! 113 |     let r1 = &s; // immutable ref
Nov 09 03:24:15.964 INFO kablam!     |         ^^ help: consider using `_r1` instead
Nov 09 03:24:15.965 INFO kablam! 
Nov 09 03:24:15.965 INFO kablam! warning: unused variable: `r2`
Nov 09 03:24:15.965 INFO kablam!    --> src/main.rs:114:9
Nov 09 03:24:15.965 INFO kablam!     |
Nov 09 03:24:15.966 INFO kablam! 114 |     let r2 = &s; // second because as many refs can read the same data safely
Nov 09 03:24:15.966 INFO kablam!     |         ^^ help: consider using `_r2` instead
Nov 09 03:24:15.966 INFO kablam! 
Nov 09 03:24:15.967 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.967 INFO kablam!    --> src/main.rs:140:9
Nov 09 03:24:15.967 INFO kablam!     |
Nov 09 03:24:15.968 INFO kablam! 140 |     let slice = &s[0..2];   // same
Nov 09 03:24:15.968 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.968 INFO kablam! 
Nov 09 03:24:15.969 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.969 INFO kablam!    --> src/main.rs:141:9
Nov 09 03:24:15.969 INFO kablam!     |
Nov 09 03:24:15.970 INFO kablam! 141 |     let slice = &s[..2];    // same
Nov 09 03:24:15.970 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.970 INFO kablam! 
Nov 09 03:24:15.975 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.975 INFO kablam!    --> src/main.rs:145:9
Nov 09 03:24:15.975 INFO kablam!     |
Nov 09 03:24:15.975 INFO kablam! 145 |     let slice = &s[2..len]; // same
Nov 09 03:24:15.976 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.976 INFO kablam! 
Nov 09 03:24:15.976 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.976 INFO kablam!    --> src/main.rs:146:9
Nov 09 03:24:15.977 INFO kablam!     |
Nov 09 03:24:15.977 INFO kablam! 146 |     let slice = &s[2..];    // same
Nov 09 03:24:15.977 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.977 INFO kablam! 
Nov 09 03:24:15.979 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.980 INFO kablam!    --> src/main.rs:148:9
Nov 09 03:24:15.980 INFO kablam!     |
Nov 09 03:24:15.980 INFO kablam! 148 |     let slice = &s[0..len]; // same
Nov 09 03:24:15.981 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.981 INFO kablam! 
Nov 09 03:24:15.981 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.982 INFO kablam!    --> src/main.rs:149:9
Nov 09 03:24:15.982 INFO kablam!     |
Nov 09 03:24:15.982 INFO kablam! 149 |     let slice = &s[..];     // same
Nov 09 03:24:15.982 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.983 INFO kablam! 
Nov 09 03:24:15.983 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:15.983 INFO kablam!    --> src/main.rs:166:9
Nov 09 03:24:15.988 INFO kablam!     |
Nov 09 03:24:15.989 INFO kablam! 166 |     let slice = &a[0..2];
Nov 09 03:24:15.989 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:15.989 INFO kablam! 
Nov 09 03:24:15.999 INFO kablam! warning: variable does not need to be mutable
Nov 09 03:24:15.999 INFO kablam!    --> src/main.rs:112:9
Nov 09 03:24:16.000 INFO kablam!     |
Nov 09 03:24:16.000 INFO kablam! 112 |     let mut s = String::from("hello s");
Nov 09 03:24:16.000 INFO kablam!     |         ----^
Nov 09 03:24:16.001 INFO kablam!     |         |
Nov 09 03:24:16.001 INFO kablam!     |         help: remove this `mut`
Nov 09 03:24:16.001 INFO kablam!     |
Nov 09 03:24:16.002 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 03:24:16.002 INFO kablam! 
Nov 09 03:24:16.002 INFO kablam! warning: unused variable: `string`
Nov 09 03:24:16.003 INFO kablam!   --> src/main.rs:13:13
Nov 09 03:24:16.003 INFO kablam!    |
Nov 09 03:24:16.003 INFO kablam! 13 |         let string = "hello"; // string is valid from here forward
Nov 09 03:24:16.003 INFO kablam!    |             ^^^^^^ help: consider using `_string` instead
Nov 09 03:24:16.004 INFO kablam!    |
Nov 09 03:24:16.004 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 03:24:16.005 INFO kablam! 
Nov 09 03:24:16.005 INFO kablam! warning: unused variable: `s2`
Nov 09 03:24:16.005 INFO kablam!   --> src/main.rs:40:9
Nov 09 03:24:16.005 INFO kablam!    |
Nov 09 03:24:16.006 INFO kablam! 40 |     let s2 = s1;
Nov 09 03:24:16.006 INFO kablam!    |         ^^ help: consider using `_s2` instead
Nov 09 03:24:16.006 INFO kablam! 
Nov 09 03:24:16.007 INFO kablam! warning: unused variable: `s1`
Nov 09 03:24:16.007 INFO kablam!   --> src/main.rs:68:9
Nov 09 03:24:16.008 INFO kablam!    |
Nov 09 03:24:16.008 INFO kablam! 68 |     let s1 = gives_ownership();         // gives_ownership moves its return
Nov 09 03:24:16.008 INFO kablam!    |         ^^ help: consider using `_s1` instead
Nov 09 03:24:16.008 INFO kablam! 
Nov 09 03:24:16.009 INFO kablam! warning: unused variable: `r1`
Nov 09 03:24:16.009 INFO kablam!   --> src/main.rs:98:9
Nov 09 03:24:16.009 INFO kablam!    |
Nov 09 03:24:16.009 INFO kablam! 98 |     let r1 = &mut s2;
Nov 09 03:24:16.010 INFO kablam!    |         ^^ help: consider using `_r1` instead
Nov 09 03:24:16.010 INFO kablam! 
Nov 09 03:24:16.010 INFO kablam! warning: unused variable: `r3`
Nov 09 03:24:16.011 INFO kablam!    --> src/main.rs:107:13
Nov 09 03:24:16.011 INFO kablam!     |
Nov 09 03:24:16.011 INFO kablam! 107 |         let r3 = &mut s3;
Nov 09 03:24:16.012 INFO kablam!     |             ^^ help: consider using `_r3` instead
Nov 09 03:24:16.012 INFO kablam! 
Nov 09 03:24:16.012 INFO kablam! warning: unused variable: `r4`
Nov 09 03:24:16.012 INFO kablam!    --> src/main.rs:110:9
Nov 09 03:24:16.013 INFO kablam!     |
Nov 09 03:24:16.013 INFO kablam! 110 |     let r4 = &mut s3;
Nov 09 03:24:16.014 INFO kablam!     |         ^^ help: consider using `_r4` instead
Nov 09 03:24:16.014 INFO kablam! 
Nov 09 03:24:16.014 INFO kablam! warning: unused variable: `r1`
Nov 09 03:24:16.014 INFO kablam!    --> src/main.rs:113:9
Nov 09 03:24:16.015 INFO kablam!     |
Nov 09 03:24:16.015 INFO kablam! 113 |     let r1 = &s; // immutable ref
Nov 09 03:24:16.015 INFO kablam!     |         ^^ help: consider using `_r1` instead
Nov 09 03:24:16.015 INFO kablam! 
Nov 09 03:24:16.016 INFO kablam! warning: unused variable: `r2`
Nov 09 03:24:16.016 INFO kablam!    --> src/main.rs:114:9
Nov 09 03:24:16.016 INFO kablam!     |
Nov 09 03:24:16.017 INFO kablam! 114 |     let r2 = &s; // second because as many refs can read the same data safely
Nov 09 03:24:16.017 INFO kablam!     |         ^^ help: consider using `_r2` instead
Nov 09 03:24:16.017 INFO kablam! 
Nov 09 03:24:16.017 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.018 INFO kablam!    --> src/main.rs:140:9
Nov 09 03:24:16.018 INFO kablam!     |
Nov 09 03:24:16.018 INFO kablam! 140 |     let slice = &s[0..2];   // same
Nov 09 03:24:16.019 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.019 INFO kablam! 
Nov 09 03:24:16.019 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.020 INFO kablam!    --> src/main.rs:141:9
Nov 09 03:24:16.020 INFO kablam!     |
Nov 09 03:24:16.020 INFO kablam! 141 |     let slice = &s[..2];    // same
Nov 09 03:24:16.021 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.021 INFO kablam! 
Nov 09 03:24:16.021 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.021 INFO kablam!    --> src/main.rs:145:9
Nov 09 03:24:16.022 INFO kablam!     |
Nov 09 03:24:16.022 INFO kablam! 145 |     let slice = &s[2..len]; // same
Nov 09 03:24:16.022 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.023 INFO kablam! 
Nov 09 03:24:16.023 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.023 INFO kablam!    --> src/main.rs:146:9
Nov 09 03:24:16.024 INFO kablam!     |
Nov 09 03:24:16.024 INFO kablam! 146 |     let slice = &s[2..];    // same
Nov 09 03:24:16.024 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.025 INFO kablam! 
Nov 09 03:24:16.025 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.025 INFO kablam!    --> src/main.rs:148:9
Nov 09 03:24:16.026 INFO kablam!     |
Nov 09 03:24:16.026 INFO kablam! 148 |     let slice = &s[0..len]; // same
Nov 09 03:24:16.026 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.027 INFO kablam! 
Nov 09 03:24:16.027 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.027 INFO kablam!    --> src/main.rs:149:9
Nov 09 03:24:16.028 INFO kablam!     |
Nov 09 03:24:16.028 INFO kablam! 149 |     let slice = &s[..];     // same
Nov 09 03:24:16.028 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.028 INFO kablam! 
Nov 09 03:24:16.029 INFO kablam! warning: unused variable: `slice`
Nov 09 03:24:16.029 INFO kablam!    --> src/main.rs:166:9
Nov 09 03:24:16.029 INFO kablam!     |
Nov 09 03:24:16.030 INFO kablam! 166 |     let slice = &a[0..2];
Nov 09 03:24:16.030 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Nov 09 03:24:16.030 INFO kablam! 
Nov 09 03:24:16.031 INFO kablam! warning: variable does not need to be mutable
Nov 09 03:24:16.031 INFO kablam!    --> src/main.rs:112:9
Nov 09 03:24:16.031 INFO kablam!     |
Nov 09 03:24:16.031 INFO kablam! 112 |     let mut s = String::from("hello s");
Nov 09 03:24:16.031 INFO kablam!     |         ----^
Nov 09 03:24:16.031 INFO kablam!     |         |
Nov 09 03:24:16.031 INFO kablam!     |         help: remove this `mut`
Nov 09 03:24:16.031 INFO kablam!     |
Nov 09 03:24:16.031 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 03:24:16.031 INFO kablam! 
Nov 09 03:24:16.063 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Nov 09 03:24:16.063 INFO kablam! su: No module specific data is present
Nov 09 03:24:17.137 INFO running `"docker" "rm" "-f" "96f10610dd42f71be7a68101846df4e68a077294ffa3bb15903d6a1b72433dd0"`
Nov 09 03:24:17.435 INFO blam! 96f10610dd42f71be7a68101846df4e68a077294ffa3bb15903d6a1b72433dd0