[INFO] crate rustc-test 0.3.0 is already in cache
[INFO] extracting crate rustc-test 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-test/0.3.0
[INFO] extracting crate rustc-test 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustc-test/0.3.0
[INFO] validating manifest of rustc-test-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustc-test-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustc-test-0.3.0
[INFO] finished frobbing rustc-test-0.3.0
[INFO] frobbed toml for rustc-test-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-test/0.3.0/Cargo.toml
[INFO] started frobbing rustc-test-0.3.0
[INFO] finished frobbing rustc-test-0.3.0
[INFO] frobbed toml for rustc-test-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustc-test/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rustc-test-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-test/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 55fa74e3a46f6963ae59b39886c700a5886159c8ba8abfc55a1c59a8e3028998
[INFO] running `"docker" "start" "-a" "55fa74e3a46f6963ae59b39886c700a5886159c8ba8abfc55a1c59a8e3028998"`
[INFO] [stderr]    Compiling rustc-test v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `"docker" "inspect" "55fa74e3a46f6963ae59b39886c700a5886159c8ba8abfc55a1c59a8e3028998"`
[INFO] running `"docker" "rm" "-f" "55fa74e3a46f6963ae59b39886c700a5886159c8ba8abfc55a1c59a8e3028998"`
[INFO] [stdout] 55fa74e3a46f6963ae59b39886c700a5886159c8ba8abfc55a1c59a8e3028998
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-test/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 086827c370579ad70d3471d40c7c37866a61fb8cc9ea0e37fe8fe9cd4bac46ab
[INFO] running `"docker" "start" "-a" "086827c370579ad70d3471d40c7c37866a61fb8cc9ea0e37fe8fe9cd4bac46ab"`
[INFO] [stderr]    Compiling rustc-test v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/stats.rs:886:5
[INFO] [stderr]     |
[INFO] [stderr] 886 | /     pub fn sum_three_items(b: &mut Bencher) {
[INFO] [stderr] 887 | |         b.iter(|| {
[INFO] [stderr] 888 | |             [1e20f64, 1.5f64, -1e20f64].sum();
[INFO] [stderr] 889 | |         })
[INFO] [stderr] 890 | |     }
[INFO] [stderr]     | |_____^ expected struct `Bencher`, found struct `test::Bencher`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&mut Bencher`
[INFO] [stderr]                found type `&mut test::Bencher`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/stats.rs:892:5
[INFO] [stderr]     |
[INFO] [stderr] 892 | /     pub fn sum_many_f64(b: &mut Bencher) {
[INFO] [stderr] 893 | |         let nums = [-1e30f64, 1e60, 1e30, 1.0, -1e60];
[INFO] [stderr] 894 | |         let v = (0..500).map(|i| nums[i % 5]).collect::<Vec<_>>();
[INFO] [stderr] 895 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 898 | |         })
[INFO] [stderr] 899 | |     }
[INFO] [stderr]     | |_____^ expected struct `Bencher`, found struct `test::Bencher`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&mut Bencher`
[INFO] [stderr]                found type `&mut test::Bencher`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `rustc-test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "086827c370579ad70d3471d40c7c37866a61fb8cc9ea0e37fe8fe9cd4bac46ab"`
[INFO] running `"docker" "rm" "-f" "086827c370579ad70d3471d40c7c37866a61fb8cc9ea0e37fe8fe9cd4bac46ab"`
[INFO] [stdout] 086827c370579ad70d3471d40c7c37866a61fb8cc9ea0e37fe8fe9cd4bac46ab