Oct 13 07:30:41.910 INFO checking tester-0.4.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:30:41.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 07:30:42.192 INFO blam! b2757f25e9843d9bb716f7fbf3863563b960c683b32277c23ef38ea3cea086f1
Oct 13 07:30:42.193 INFO running `"docker" "start" "-a" "b2757f25e9843d9bb716f7fbf3863563b960c683b32277c23ef38ea3cea086f1"`
Oct 13 07:30:42.836 INFO kablam! usermod: no changes
Oct 13 07:30:42.920 INFO kablam!     Checking tester v0.4.1 (/source)
Oct 13 07:30:44.024 INFO kablam! error[E0308]: mismatched types
Oct 13 07:30:44.024 INFO kablam!    --> src/stats.rs:913:5
Oct 13 07:30:44.024 INFO kablam!     |
Oct 13 07:30:44.024 INFO kablam! 913 | /     pub fn sum_three_items(b: &mut Bencher) {
Oct 13 07:30:44.024 INFO kablam! 914 | |         b.iter(|| { [1e20f64, 1.5f64, -1e20f64].sum(); })
Oct 13 07:30:44.024 INFO kablam! 915 | |     }
Oct 13 07:30:44.024 INFO kablam!     | |_____^ expected struct `Bencher`, found struct `test::Bencher`
Oct 13 07:30:44.024 INFO kablam!     |
Oct 13 07:30:44.024 INFO kablam!     = note: expected type `&mut Bencher`
Oct 13 07:30:44.024 INFO kablam!                found type `&mut test::Bencher`
Oct 13 07:30:44.024 INFO kablam! 
Oct 13 07:30:44.060 INFO kablam! error[E0308]: mismatched types
Oct 13 07:30:44.060 INFO kablam!    --> src/stats.rs:917:5
Oct 13 07:30:44.060 INFO kablam!     |
Oct 13 07:30:44.060 INFO kablam! 917 | /     pub fn sum_many_f64(b: &mut Bencher) {
Oct 13 07:30:44.060 INFO kablam! 918 | |         let nums = [-1e30f64, 1e60, 1e30, 1.0, -1e60];
Oct 13 07:30:44.060 INFO kablam! 919 | |         let v = (0..500).map(|i| nums[i % 5]).collect::<Vec<_>>();
Oct 13 07:30:44.060 INFO kablam! 920 | |
Oct 13 07:30:44.060 INFO kablam! 921 | |         b.iter(|| { v.sum(); })
Oct 13 07:30:44.060 INFO kablam! 922 | |     }
Oct 13 07:30:44.060 INFO kablam!     | |_____^ expected struct `Bencher`, found struct `test::Bencher`
Oct 13 07:30:44.060 INFO kablam!     |
Oct 13 07:30:44.060 INFO kablam!     = note: expected type `&mut Bencher`
Oct 13 07:30:44.060 INFO kablam!                found type `&mut test::Bencher`
Oct 13 07:30:44.060 INFO kablam! 
Oct 13 07:30:44.084 INFO kablam! error[E0308]: mismatched types
Oct 13 07:30:44.084 INFO kablam!    --> src/stats.rs:925:5
Oct 13 07:30:44.084 INFO kablam!     |
Oct 13 07:30:44.084 INFO kablam! 925 |     pub fn no_iter(_: &mut Bencher) {}
Oct 13 07:30:44.084 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Bencher`, found struct `test::Bencher`
Oct 13 07:30:44.084 INFO kablam!     |
Oct 13 07:30:44.084 INFO kablam!     = note: expected type `&mut Bencher`
Oct 13 07:30:44.084 INFO kablam!                found type `&mut test::Bencher`
Oct 13 07:30:44.084 INFO kablam! 
Oct 13 07:30:44.096 INFO kablam! error: aborting due to 3 previous errors
Oct 13 07:30:44.096 INFO kablam! 
Oct 13 07:30:44.096 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Oct 13 07:30:44.103 INFO kablam! error: Could not compile `tester`.
Oct 13 07:30:44.103 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 13 07:30:44.458 INFO kablam! error: build failed
Oct 13 07:30:44.460 INFO kablam! su: No module specific data is present
Oct 13 07:30:45.058 INFO running `"docker" "rm" "-f" "b2757f25e9843d9bb716f7fbf3863563b960c683b32277c23ef38ea3cea086f1"`
Oct 13 07:30:45.154 INFO blam! b2757f25e9843d9bb716f7fbf3863563b960c683b32277c23ef38ea3cea086f1