[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 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 315d8d03610fbf07a2624403d80d816af5542f14e1d42391cc00fd97a8bff539 [INFO] running `"docker" "start" "-a" "315d8d03610fbf07a2624403d80d816af5542f14e1d42391cc00fd97a8bff539"` [INFO] [stderr] Compiling benchme v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `"docker" "inspect" "315d8d03610fbf07a2624403d80d816af5542f14e1d42391cc00fd97a8bff539"` [INFO] running `"docker" "rm" "-f" "315d8d03610fbf07a2624403d80d816af5542f14e1d42391cc00fd97a8bff539"` [INFO] [stdout] 315d8d03610fbf07a2624403d80d816af5542f14e1d42391cc00fd97a8bff539 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 89c849a2b3a7932afa22115ecb8ac66e6fe5c51da7994f42633cb3faed811718 [INFO] running `"docker" "start" "-a" "89c849a2b3a7932afa22115ecb8ac66e6fe5c51da7994f42633cb3faed811718"` [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 0.87s [INFO] running `"docker" "inspect" "89c849a2b3a7932afa22115ecb8ac66e6fe5c51da7994f42633cb3faed811718"` [INFO] running `"docker" "rm" "-f" "89c849a2b3a7932afa22115ecb8ac66e6fe5c51da7994f42633cb3faed811718"` [INFO] [stdout] 89c849a2b3a7932afa22115ecb8ac66e6fe5c51da7994f42633cb3faed811718 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] ccb3a0d7347bcf2e9e3989ba6669f40d1fae117e58d8d32b71b9c9467536a26e [INFO] running `"docker" "start" "-a" "ccb3a0d7347bcf2e9e3989ba6669f40d1fae117e58d8d32b71b9c9467536a26e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/benchme-97290be7d01af0a4 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_benchmark ... ok [INFO] [stdout] test tests::test_benchmark_named ... 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 12222009 times in 1.000000383s 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: 0x562052f40c4b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x562052f40c4b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x562052f40c4b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x562052f40c4b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x562052f40c4b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x562052f408ba - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x562052f413c0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x562052f40f42 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x562052f40e8f - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x562052ef65fb - benchme::tests::test_runcount::h57444e4cf03c7f9d [INFO] [stdout] at src/lib.rs:76 [INFO] [stdout] 10: 0x562052ef621a - benchme::tests::test_runcount::{{closure}}::h5f6ede4b5333cd87 [INFO] [stdout] at src/lib.rs:70 [INFO] [stdout] 11: 0x562052ef712e - core::ops::function::FnOnce::call_once::h0522402b09f670e0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x562052f0383f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: 0x562052f4393a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x562052f1de38 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x562052f1de38 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x562052f1de38 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 17: 0x562052ef8cb5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 18: 0x562052efcd75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 19: 0x562052efcd75 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 20: 0x562052efcd75 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 21: 0x562052f4393a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 22: 0x562052efd472 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 23: 0x562052efd472 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x562052efd472 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 25: 0x562052efd472 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 26: 0x562052f3699f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 27: 0x562052f43090 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x562052f43090 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 29: 0x562052f43090 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 30: 0x7f102435a4a4 - start_thread [INFO] [stdout] 31: 0x7f1023e85d0f - __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" "ccb3a0d7347bcf2e9e3989ba6669f40d1fae117e58d8d32b71b9c9467536a26e"` [INFO] running `"docker" "rm" "-f" "ccb3a0d7347bcf2e9e3989ba6669f40d1fae117e58d8d32b71b9c9467536a26e"` [INFO] [stdout] ccb3a0d7347bcf2e9e3989ba6669f40d1fae117e58d8d32b71b9c9467536a26e