Oct 12 20:49:56.433 INFO testing tperdue321/rust_ownership against master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513 for rustdoc-test-static-cling-1
Oct 12 20:49:56.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-4/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/rustdoc-test-static-cling-1/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/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 +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-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"`
Oct 12 20:49:56.943 INFO blam! 2a820399a512f051a40a03bbec440a28eb57e7c0ee2a9d887c039326fbea226d
Oct 12 20:49:56.946 INFO running `"docker" "start" "-a" "2a820399a512f051a40a03bbec440a28eb57e7c0ee2a9d887c039326fbea226d"`
Oct 12 20:49:58.428 INFO kablam! usermod: no changes
Oct 12 20:49:58.463 INFO kablam!    Compiling ownership v0.1.0 (/source)
Oct 12 20:49:58.655 INFO kablam! warning: unused variable: `string`
Oct 12 20:49:58.655 INFO kablam!   --> src/main.rs:13:13
Oct 12 20:49:58.655 INFO kablam!    |
Oct 12 20:49:58.655 INFO kablam! 13 |         let string = "hello"; // string is valid from here forward
Oct 12 20:49:58.655 INFO kablam!    |             ^^^^^^ help: consider using `_string` instead
Oct 12 20:49:58.655 INFO kablam!    |
Oct 12 20:49:58.655 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 20:49:58.655 INFO kablam! 
Oct 12 20:49:58.655 INFO kablam! warning: unused variable: `s2`
Oct 12 20:49:58.655 INFO kablam!   --> src/main.rs:40:9
Oct 12 20:49:58.655 INFO kablam!    |
Oct 12 20:49:58.655 INFO kablam! 40 |     let s2 = s1;
Oct 12 20:49:58.655 INFO kablam!    |         ^^ help: consider using `_s2` instead
Oct 12 20:49:58.655 INFO kablam! 
Oct 12 20:49:58.655 INFO kablam! warning: unused variable: `s1`
Oct 12 20:49:58.655 INFO kablam!   --> src/main.rs:68:9
Oct 12 20:49:58.655 INFO kablam!    |
Oct 12 20:49:58.655 INFO kablam! 68 |     let s1 = gives_ownership();         // gives_ownership moves its return
Oct 12 20:49:58.655 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 12 20:49:58.655 INFO kablam! 
Oct 12 20:49:58.655 INFO kablam! warning: unused variable: `r1`
Oct 12 20:49:58.656 INFO kablam!   --> src/main.rs:98:9
Oct 12 20:49:58.656 INFO kablam!    |
Oct 12 20:49:58.656 INFO kablam! 98 |     let r1 = &mut s2;
Oct 12 20:49:58.656 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `r3`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:107:13
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 107 |         let r3 = &mut s3;
Oct 12 20:49:58.656 INFO kablam!     |             ^^ help: consider using `_r3` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `r4`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:110:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 110 |     let r4 = &mut s3;
Oct 12 20:49:58.656 INFO kablam!     |         ^^ help: consider using `_r4` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `r1`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:113:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 113 |     let r1 = &s; // immutable ref
Oct 12 20:49:58.656 INFO kablam!     |         ^^ help: consider using `_r1` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `r2`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:114:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 114 |     let r2 = &s; // second because as many refs can read the same data safely
Oct 12 20:49:58.656 INFO kablam!     |         ^^ help: consider using `_r2` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:140:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 140 |     let slice = &s[0..2];   // same
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:141:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 141 |     let slice = &s[..2];    // same
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:145:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 145 |     let slice = &s[2..len]; // same
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:146:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 146 |     let slice = &s[2..];    // same
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:148:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 148 |     let slice = &s[0..len]; // same
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:149:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 149 |     let slice = &s[..];     // same
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.656 INFO kablam! warning: unused variable: `slice`
Oct 12 20:49:58.656 INFO kablam!    --> src/main.rs:166:9
Oct 12 20:49:58.656 INFO kablam!     |
Oct 12 20:49:58.656 INFO kablam! 166 |     let slice = &a[0..2];
Oct 12 20:49:58.656 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:49:58.656 INFO kablam! 
Oct 12 20:49:58.683 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:49:58.683 INFO kablam!    --> src/main.rs:112:9
Oct 12 20:49:58.683 INFO kablam!     |
Oct 12 20:49:58.683 INFO kablam! 112 |     let mut s = String::from("hello s");
Oct 12 20:49:58.683 INFO kablam!     |         ----^
Oct 12 20:49:58.683 INFO kablam!     |         |
Oct 12 20:49:58.683 INFO kablam!     |         help: remove this `mut`
Oct 12 20:49:58.683 INFO kablam!     |
Oct 12 20:49:58.683 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 20:49:58.683 INFO kablam! 
Oct 12 20:49:59.231 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Oct 12 20:49:59.231 INFO kablam! su: No module specific data is present
Oct 12 20:49:59.721 INFO running `"docker" "rm" "-f" "2a820399a512f051a40a03bbec440a28eb57e7c0ee2a9d887c039326fbea226d"`
Oct 12 20:49:59.943 INFO blam! 2a820399a512f051a40a03bbec440a28eb57e7c0ee2a9d887c039326fbea226d
Oct 12 20:49:59.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-4/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/rustdoc-test-static-cling-1/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/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 +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-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"`
Oct 12 20:50:00.319 INFO blam! 3b8a953ddf2d90b40ea20fd1e5c97af35c03f27448e777174a1c8f649df75386
Oct 12 20:50:00.323 INFO running `"docker" "start" "-a" "3b8a953ddf2d90b40ea20fd1e5c97af35c03f27448e777174a1c8f649df75386"`
Oct 12 20:50:00.847 INFO kablam! usermod: no changes
Oct 12 20:50:00.875 INFO kablam!    Compiling ownership v0.1.0 (/source)
Oct 12 20:50:01.020 INFO kablam! warning: unused variable: `string`
Oct 12 20:50:01.020 INFO kablam!   --> src/main.rs:13:13
Oct 12 20:50:01.020 INFO kablam!    |
Oct 12 20:50:01.020 INFO kablam! 13 |         let string = "hello"; // string is valid from here forward
Oct 12 20:50:01.020 INFO kablam!    |             ^^^^^^ help: consider using `_string` instead
Oct 12 20:50:01.020 INFO kablam!    |
Oct 12 20:50:01.020 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 20:50:01.020 INFO kablam! 
Oct 12 20:50:01.020 INFO kablam! warning: unused variable: `s2`
Oct 12 20:50:01.020 INFO kablam!   --> src/main.rs:40:9
Oct 12 20:50:01.020 INFO kablam!    |
Oct 12 20:50:01.020 INFO kablam! 40 |     let s2 = s1;
Oct 12 20:50:01.020 INFO kablam!    |         ^^ help: consider using `_s2` instead
Oct 12 20:50:01.020 INFO kablam! 
Oct 12 20:50:01.020 INFO kablam! warning: unused variable: `s1`
Oct 12 20:50:01.020 INFO kablam!   --> src/main.rs:68:9
Oct 12 20:50:01.020 INFO kablam!    |
Oct 12 20:50:01.020 INFO kablam! 68 |     let s1 = gives_ownership();         // gives_ownership moves its return
Oct 12 20:50:01.020 INFO kablam!    |         ^^ help: consider using `_s1` instead
Oct 12 20:50:01.020 INFO kablam! 
Oct 12 20:50:01.020 INFO kablam! warning: unused variable: `r1`
Oct 12 20:50:01.020 INFO kablam!   --> src/main.rs:98:9
Oct 12 20:50:01.020 INFO kablam!    |
Oct 12 20:50:01.021 INFO kablam! 98 |     let r1 = &mut s2;
Oct 12 20:50:01.021 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 12 20:50:01.021 INFO kablam! 
Oct 12 20:50:01.021 INFO kablam! warning: unused variable: `r3`
Oct 12 20:50:01.021 INFO kablam!    --> src/main.rs:107:13
Oct 12 20:50:01.021 INFO kablam!     |
Oct 12 20:50:01.021 INFO kablam! 107 |         let r3 = &mut s3;
Oct 12 20:50:01.021 INFO kablam!     |             ^^ help: consider using `_r3` instead
Oct 12 20:50:01.021 INFO kablam! 
Oct 12 20:50:01.021 INFO kablam! warning: unused variable: `r4`
Oct 12 20:50:01.021 INFO kablam!    --> src/main.rs:110:9
Oct 12 20:50:01.021 INFO kablam!     |
Oct 12 20:50:01.021 INFO kablam! 110 |     let r4 = &mut s3;
Oct 12 20:50:01.021 INFO kablam!     |         ^^ help: consider using `_r4` instead
Oct 12 20:50:01.021 INFO kablam! 
Oct 12 20:50:01.021 INFO kablam! warning: unused variable: `r1`
Oct 12 20:50:01.021 INFO kablam!    --> src/main.rs:113:9
Oct 12 20:50:01.021 INFO kablam!     |
Oct 12 20:50:01.021 INFO kablam! 113 |     let r1 = &s; // immutable ref
Oct 12 20:50:01.021 INFO kablam!     |         ^^ help: consider using `_r1` instead
Oct 12 20:50:01.021 INFO kablam! 
Oct 12 20:50:01.021 INFO kablam! warning: unused variable: `r2`
Oct 12 20:50:01.021 INFO kablam!    --> src/main.rs:114:9
Oct 12 20:50:01.021 INFO kablam!     |
Oct 12 20:50:01.021 INFO kablam! 114 |     let r2 = &s; // second because as many refs can read the same data safely
Oct 12 20:50:01.022 INFO kablam!     |         ^^ help: consider using `_r2` instead
Oct 12 20:50:01.022 INFO kablam! 
Oct 12 20:50:01.022 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.022 INFO kablam!    --> src/main.rs:140:9
Oct 12 20:50:01.022 INFO kablam!     |
Oct 12 20:50:01.022 INFO kablam! 140 |     let slice = &s[0..2];   // same
Oct 12 20:50:01.022 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.022 INFO kablam! 
Oct 12 20:50:01.022 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.022 INFO kablam!    --> src/main.rs:141:9
Oct 12 20:50:01.022 INFO kablam!     |
Oct 12 20:50:01.022 INFO kablam! 141 |     let slice = &s[..2];    // same
Oct 12 20:50:01.022 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.022 INFO kablam! 
Oct 12 20:50:01.022 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.022 INFO kablam!    --> src/main.rs:145:9
Oct 12 20:50:01.022 INFO kablam!     |
Oct 12 20:50:01.022 INFO kablam! 145 |     let slice = &s[2..len]; // same
Oct 12 20:50:01.022 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.022 INFO kablam! 
Oct 12 20:50:01.022 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.022 INFO kablam!    --> src/main.rs:146:9
Oct 12 20:50:01.022 INFO kablam!     |
Oct 12 20:50:01.022 INFO kablam! 146 |     let slice = &s[2..];    // same
Oct 12 20:50:01.023 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.023 INFO kablam! 
Oct 12 20:50:01.023 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.023 INFO kablam!    --> src/main.rs:148:9
Oct 12 20:50:01.023 INFO kablam!     |
Oct 12 20:50:01.023 INFO kablam! 148 |     let slice = &s[0..len]; // same
Oct 12 20:50:01.023 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.023 INFO kablam! 
Oct 12 20:50:01.023 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.023 INFO kablam!    --> src/main.rs:149:9
Oct 12 20:50:01.023 INFO kablam!     |
Oct 12 20:50:01.023 INFO kablam! 149 |     let slice = &s[..];     // same
Oct 12 20:50:01.023 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.023 INFO kablam! 
Oct 12 20:50:01.023 INFO kablam! warning: unused variable: `slice`
Oct 12 20:50:01.023 INFO kablam!    --> src/main.rs:166:9
Oct 12 20:50:01.023 INFO kablam!     |
Oct 12 20:50:01.023 INFO kablam! 166 |     let slice = &a[0..2];
Oct 12 20:50:01.023 INFO kablam!     |         ^^^^^ help: consider using `_slice` instead
Oct 12 20:50:01.023 INFO kablam! 
Oct 12 20:50:01.031 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:50:01.031 INFO kablam!    --> src/main.rs:112:9
Oct 12 20:50:01.031 INFO kablam!     |
Oct 12 20:50:01.031 INFO kablam! 112 |     let mut s = String::from("hello s");
Oct 12 20:50:01.031 INFO kablam!     |         ----^
Oct 12 20:50:01.031 INFO kablam!     |         |
Oct 12 20:50:01.031 INFO kablam!     |         help: remove this `mut`
Oct 12 20:50:01.031 INFO kablam!     |
Oct 12 20:50:01.031 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 20:50:01.031 INFO kablam! 
Oct 12 20:50:01.347 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Oct 12 20:50:01.348 INFO kablam! su: No module specific data is present
Oct 12 20:50:01.661 INFO running `"docker" "rm" "-f" "3b8a953ddf2d90b40ea20fd1e5c97af35c03f27448e777174a1c8f649df75386"`
Oct 12 20:50:01.854 INFO blam! 3b8a953ddf2d90b40ea20fd1e5c97af35c03f27448e777174a1c8f649df75386
Oct 12 20:50:01.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-4/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/rustdoc-test-static-cling-1/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/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 +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-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"`
Oct 12 20:50:02.080 INFO blam! 9496cb2670e5b89732a697a3411a56f7d84938c5a708c412cdf5c0135d6b91f5
Oct 12 20:50:02.081 INFO running `"docker" "start" "-a" "9496cb2670e5b89732a697a3411a56f7d84938c5a708c412cdf5c0135d6b91f5"`
Oct 12 20:50:02.543 INFO kablam! usermod: no changes
Oct 12 20:50:02.571 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Oct 12 20:50:02.572 INFO kablam!      Running /target/debug/deps/ownership-d2fddd18f7691ee4
Oct 12 20:50:02.574 INFO blam! 
Oct 12 20:50:02.574 INFO blam! running 0 tests
Oct 12 20:50:02.574 INFO blam! 
Oct 12 20:50:02.574 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Oct 12 20:50:02.575 INFO blam! 
Oct 12 20:50:02.576 INFO kablam! su: No module specific data is present
Oct 12 20:50:02.828 INFO running `"docker" "rm" "-f" "9496cb2670e5b89732a697a3411a56f7d84938c5a708c412cdf5c0135d6b91f5"`
Oct 12 20:50:02.955 INFO blam! 9496cb2670e5b89732a697a3411a56f7d84938c5a708c412cdf5c0135d6b91f5