[INFO] updating cached repository ConnorBP/benchme [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ConnorBP/benchme [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ConnorBP/benchme" "work/ex/beta-1.38-1/sources/1.37.0/gh/ConnorBP/benchme"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ConnorBP/benchme'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ConnorBP/benchme" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ConnorBP/benchme"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ConnorBP/benchme'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6d806e86d22822348ccde5a65205c2519f19c456 [INFO] sha for GitHub repo ConnorBP/benchme: 6d806e86d22822348ccde5a65205c2519f19c456 [INFO] validating manifest of ConnorBP/benchme on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ConnorBP/benchme on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ConnorBP/benchme [INFO] finished frobbing ConnorBP/benchme [INFO] frobbed toml for ConnorBP/benchme written to work/ex/beta-1.38-1/sources/1.37.0/gh/ConnorBP/benchme/Cargo.toml [INFO] started frobbing ConnorBP/benchme [INFO] finished frobbing ConnorBP/benchme [INFO] frobbed toml for ConnorBP/benchme written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ConnorBP/benchme/Cargo.toml [INFO] crate ConnorBP/benchme already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ConnorBP/benchme against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ConnorBP/benchme:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 9c9e10ca1f2c6a4543017b74c5d6cb9f59992424c016ec5636de61e9fb1e0939 [INFO] running `"docker" "start" "-a" "9c9e10ca1f2c6a4543017b74c5d6cb9f59992424c016ec5636de61e9fb1e0939"` [INFO] [stderr] Compiling benchme v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `"docker" "inspect" "9c9e10ca1f2c6a4543017b74c5d6cb9f59992424c016ec5636de61e9fb1e0939"` [INFO] running `"docker" "rm" "-f" "9c9e10ca1f2c6a4543017b74c5d6cb9f59992424c016ec5636de61e9fb1e0939"` [INFO] [stdout] 9c9e10ca1f2c6a4543017b74c5d6cb9f59992424c016ec5636de61e9fb1e0939 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ConnorBP/benchme:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 67275ccb3fc99b7310d8f705eb8043ae569d9a6fb2ffb02e5e3ac732ffebaef4 [INFO] running `"docker" "start" "-a" "67275ccb3fc99b7310d8f705eb8043ae569d9a6fb2ffb02e5e3ac732ffebaef4"` [INFO] [stderr] Compiling benchme v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: expected `;`, found keyword `let` [INFO] [stderr] --> src/lib.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let start = Instant::now(); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 72 | / runcount! { [INFO] [stderr] 73 | | #[testcount, 1, 0] [INFO] [stderr] 74 | | let x = x * 2; [INFO] [stderr] 75 | | } [INFO] [stderr] | |_________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: This was erroneously allowed and will become a hard error in a future release [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | let y = x * 2; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | let x = x * 2; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | let mut x = 1; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `"docker" "inspect" "67275ccb3fc99b7310d8f705eb8043ae569d9a6fb2ffb02e5e3ac732ffebaef4"` [INFO] running `"docker" "rm" "-f" "67275ccb3fc99b7310d8f705eb8043ae569d9a6fb2ffb02e5e3ac732ffebaef4"` [INFO] [stdout] 67275ccb3fc99b7310d8f705eb8043ae569d9a6fb2ffb02e5e3ac732ffebaef4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ConnorBP/benchme:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] e642525d8f80e28e2a135e9ba93e2d37aac5365a2f7b4d5a6cc8f62f45fb7e92 [INFO] running `"docker" "start" "-a" "e642525d8f80e28e2a135e9ba93e2d37aac5365a2f7b4d5a6cc8f62f45fb7e92"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/benchme-a6047a7600a15d9e [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_benchmark_named ... ok [INFO] [stdout] test tests::test_benchmark ... ok [INFO] [stdout] test tests::test_runcount ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_runcount stdout ---- [INFO] [stdout] ran testcount for 9512146 times in 1.000000261s time. [INFO] [stdout] thread 'tests::test_runcount' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `""`, [INFO] [stdout] right: `"ran testcount for 14222626 times in 1.000000281s time."`', src/lib.rs:76:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56060fd3220b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x56060fd3220b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56060fd3220b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x56060fd3220b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x56060fd3220b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x56060fd31e7c - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x56060fd3297d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x56060fd32502 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x56060fd3244f - std::panicking::begin_panic_fmt::h4b478f1ed53f4521 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x56060fce8f6b - benchme::tests::test_runcount::h1fd1cce98c8ed747 [INFO] [stdout] at src/lib.rs:76 [INFO] [stdout] 10: 0x56060fce8b8a - benchme::tests::test_runcount::{{closure}}::h2966a905348e9da0 [INFO] [stdout] at src/lib.rs:70 [INFO] [stdout] 11: 0x56060fcea1fe - core::ops::function::FnOnce::call_once::h9bcbccda518c2469 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 12: 0x56060fcf507f - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 13: 0x56060fd3525a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 14: 0x56060fd0f66e - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x56060fd0f66e - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x56060fd0f66e - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 17: 0x56060fceaaa5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x56060fceecb5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x56060fceecb5 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x56060fceecb5 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x56060fd3525a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 22: 0x56060fcef2b2 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x56060fcef2b2 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x56060fcef2b2 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x56060fcef2b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 26: 0x56060fd2805f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 27: 0x56060fd34990 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 28: 0x56060fd34990 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x56060fd34990 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f11dde204a4 - start_thread [INFO] [stdout] 31: 0x7f11dd94bd0f - __clone [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_runcount [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "e642525d8f80e28e2a135e9ba93e2d37aac5365a2f7b4d5a6cc8f62f45fb7e92"` [INFO] running `"docker" "rm" "-f" "e642525d8f80e28e2a135e9ba93e2d37aac5365a2f7b4d5a6cc8f62f45fb7e92"` [INFO] [stdout] e642525d8f80e28e2a135e9ba93e2d37aac5365a2f7b4d5a6cc8f62f45fb7e92