Dec 13 23:38:01.301 INFO testing chyld/rust_types against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 23:38:01.301 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 23:38:01.763 INFO [stdout] f639eb5399549ad587a3801d0eb912ba39a1dfccae5c40d735e53839c396c66b
Dec 13 23:38:01.769 INFO running `"docker" "start" "-a" "f639eb5399549ad587a3801d0eb912ba39a1dfccae5c40d735e53839c396c66b"`
Dec 13 23:38:02.943 INFO [stderr] usermod: no changes
Dec 13 23:38:02.995 INFO [stderr]    Compiling rust_types v0.1.0 (/source)
Dec 13 23:38:03.390 INFO [stderr] warning: unused variable: `is_true`
Dec 13 23:38:03.390 INFO [stderr]   --> src/main.rs:12:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 12 |     let is_true: bool = true;
Dec 13 23:38:03.391 INFO [stderr]    |         ^^^^^^^ help: consider using `_is_true` instead
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `a`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:18:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 18 |     let a: u8 = 50;
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `b`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:19:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 19 |     let b: i64 = 100;
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `c`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:20:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 20 |     let c: f32 = 1.1;
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_c` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `d`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:21:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 21 |     let d: f64 = 2.2;
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `e`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:25:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 25 |     let e: usize = 200;
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_e` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `f`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:26:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 26 |     let f: isize = 250;
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `g`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:30:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 30 |     let g: char = 'A';
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_g` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `h`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:31:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 31 |     let h: &str = "hello world";
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_h` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `i`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:34:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 34 |     let i: (char, u8, bool) = ('x', 3, true);
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: unused variable: `k`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:38:9
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 38 |     let k: &[char] = &j[..];
Dec 13 23:38:03.391 INFO [stderr]    |         ^ help: consider using `_k` instead
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.391 INFO [stderr] warning: function is never used: `foo`
Dec 13 23:38:03.391 INFO [stderr]   --> src/main.rs:48:5
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr] 48 |     fn foo(){}
Dec 13 23:38:03.391 INFO [stderr]    |     ^^^^^^^^
Dec 13 23:38:03.391 INFO [stderr]    |
Dec 13 23:38:03.391 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 23:38:03.391 INFO [stderr] 
Dec 13 23:38:03.639 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 13 23:38:03.642 INFO [stderr] su: No module specific data is present
Dec 13 23:38:04.471 INFO running `"docker" "inspect" "f639eb5399549ad587a3801d0eb912ba39a1dfccae5c40d735e53839c396c66b"`
Dec 13 23:38:04.692 INFO running `"docker" "rm" "-f" "f639eb5399549ad587a3801d0eb912ba39a1dfccae5c40d735e53839c396c66b"`
Dec 13 23:38:05.039 INFO [stdout] f639eb5399549ad587a3801d0eb912ba39a1dfccae5c40d735e53839c396c66b
Dec 13 23:38:05.043 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 23:38:05.488 INFO [stdout] 1449d199c3e1aa7829183a6e782da7bbaa4eb713603c682dc52a5645eff3b79d
Dec 13 23:38:05.495 INFO running `"docker" "start" "-a" "1449d199c3e1aa7829183a6e782da7bbaa4eb713603c682dc52a5645eff3b79d"`
Dec 13 23:38:06.763 INFO [stderr] usermod: no changes
Dec 13 23:38:06.843 INFO [stderr]    Compiling rust_types v0.1.0 (/source)
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `is_true`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:12:9
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr] 12 |     let is_true: bool = true;
Dec 13 23:38:07.263 INFO [stderr]    |         ^^^^^^^ help: consider using `_is_true` instead
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 23:38:07.263 INFO [stderr] 
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `a`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:18:9
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr] 18 |     let a: u8 = 50;
Dec 13 23:38:07.263 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 13 23:38:07.263 INFO [stderr] 
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `b`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:19:9
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr] 19 |     let b: i64 = 100;
Dec 13 23:38:07.263 INFO [stderr]    |         ^ help: consider using `_b` instead
Dec 13 23:38:07.263 INFO [stderr] 
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `c`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:20:9
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr] 20 |     let c: f32 = 1.1;
Dec 13 23:38:07.263 INFO [stderr]    |         ^ help: consider using `_c` instead
Dec 13 23:38:07.263 INFO [stderr] 
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `d`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:21:9
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr] 21 |     let d: f64 = 2.2;
Dec 13 23:38:07.263 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 13 23:38:07.263 INFO [stderr] 
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `e`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:25:9
Dec 13 23:38:07.263 INFO [stderr]    |
Dec 13 23:38:07.263 INFO [stderr] 25 |     let e: usize = 200;
Dec 13 23:38:07.263 INFO [stderr]    |         ^ help: consider using `_e` instead
Dec 13 23:38:07.263 INFO [stderr] 
Dec 13 23:38:07.263 INFO [stderr] warning: unused variable: `f`
Dec 13 23:38:07.263 INFO [stderr]   --> src/main.rs:26:9
Dec 13 23:38:07.264 INFO [stderr]    |
Dec 13 23:38:07.264 INFO [stderr] 26 |     let f: isize = 250;
Dec 13 23:38:07.264 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 13 23:38:07.264 INFO [stderr] 
Dec 13 23:38:07.264 INFO [stderr] warning: unused variable: `g`
Dec 13 23:38:07.264 INFO [stderr]   --> src/main.rs:30:9
Dec 13 23:38:07.264 INFO [stderr]    |
Dec 13 23:38:07.264 INFO [stderr] 30 |     let g: char = 'A';
Dec 13 23:38:07.264 INFO [stderr]    |         ^ help: consider using `_g` instead
Dec 13 23:38:07.264 INFO [stderr] 
Dec 13 23:38:07.264 INFO [stderr] warning: unused variable: `h`
Dec 13 23:38:07.264 INFO [stderr]   --> src/main.rs:31:9
Dec 13 23:38:07.264 INFO [stderr]    |
Dec 13 23:38:07.264 INFO [stderr] 31 |     let h: &str = "hello world";
Dec 13 23:38:07.264 INFO [stderr]    |         ^ help: consider using `_h` instead
Dec 13 23:38:07.264 INFO [stderr] 
Dec 13 23:38:07.264 INFO [stderr] warning: unused variable: `i`
Dec 13 23:38:07.264 INFO [stderr]   --> src/main.rs:34:9
Dec 13 23:38:07.264 INFO [stderr]    |
Dec 13 23:38:07.264 INFO [stderr] 34 |     let i: (char, u8, bool) = ('x', 3, true);
Dec 13 23:38:07.264 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 13 23:38:07.264 INFO [stderr] 
Dec 13 23:38:07.264 INFO [stderr] warning: unused variable: `k`
Dec 13 23:38:07.264 INFO [stderr]   --> src/main.rs:38:9
Dec 13 23:38:07.264 INFO [stderr]    |
Dec 13 23:38:07.264 INFO [stderr] 38 |     let k: &[char] = &j[..];
Dec 13 23:38:07.264 INFO [stderr]    |         ^ help: consider using `_k` instead
Dec 13 23:38:07.264 INFO [stderr] 
Dec 13 23:38:07.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 13 23:38:07.524 INFO [stderr] su: No module specific data is present
Dec 13 23:38:07.957 INFO running `"docker" "inspect" "1449d199c3e1aa7829183a6e782da7bbaa4eb713603c682dc52a5645eff3b79d"`
Dec 13 23:38:08.055 INFO running `"docker" "rm" "-f" "1449d199c3e1aa7829183a6e782da7bbaa4eb713603c682dc52a5645eff3b79d"`
Dec 13 23:38:08.156 INFO [stdout] 1449d199c3e1aa7829183a6e782da7bbaa4eb713603c682dc52a5645eff3b79d
Dec 13 23:38:08.164 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 23:38:08.390 INFO [stdout] 785e7e45f5dcae99f7a13b3d7e8b28fae24f2e1731288b25cd96482102f0a710
Dec 13 23:38:08.392 INFO running `"docker" "start" "-a" "785e7e45f5dcae99f7a13b3d7e8b28fae24f2e1731288b25cd96482102f0a710"`
Dec 13 23:38:08.768 INFO [stderr] usermod: no changes
Dec 13 23:38:08.799 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 23:38:08.799 INFO [stderr]      Running /target/debug/deps/rust_types-c707276287722b13
Dec 13 23:38:08.800 INFO [stdout] 
Dec 13 23:38:08.800 INFO [stdout] running 0 tests
Dec 13 23:38:08.800 INFO [stdout] 
Dec 13 23:38:08.800 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 23:38:08.800 INFO [stdout] 
Dec 13 23:38:08.802 INFO [stderr] su: No module specific data is present
Dec 13 23:38:09.112 INFO running `"docker" "inspect" "785e7e45f5dcae99f7a13b3d7e8b28fae24f2e1731288b25cd96482102f0a710"`
Dec 13 23:38:09.211 INFO running `"docker" "rm" "-f" "785e7e45f5dcae99f7a13b3d7e8b28fae24f2e1731288b25cd96482102f0a710"`
Dec 13 23:38:09.304 INFO [stdout] 785e7e45f5dcae99f7a13b3d7e8b28fae24f2e1731288b25cd96482102f0a710