[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-1.37-6/sources/1.36.0/gh/ConnorBP/benchme"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ConnorBP/benchme'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ConnorBP/benchme" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ConnorBP/benchme"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ConnorBP/benchme 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 ConnorBP/benchme [INFO] finished frobbing ConnorBP/benchme [INFO] frobbed toml for ConnorBP/benchme written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 ConnorBP/benchme 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 5ba6e0e65bffc3b36dd04a78bf71717fe24d752d9f5ea0a29b01ba0ee3b05d81 [INFO] running `"docker" "start" "-a" "5ba6e0e65bffc3b36dd04a78bf71717fe24d752d9f5ea0a29b01ba0ee3b05d81"` [INFO] [stderr] Compiling benchme v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `"docker" "inspect" "5ba6e0e65bffc3b36dd04a78bf71717fe24d752d9f5ea0a29b01ba0ee3b05d81"` [INFO] running `"docker" "rm" "-f" "5ba6e0e65bffc3b36dd04a78bf71717fe24d752d9f5ea0a29b01ba0ee3b05d81"` [INFO] [stdout] 5ba6e0e65bffc3b36dd04a78bf71717fe24d752d9f5ea0a29b01ba0ee3b05d81 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 3c69d46c20cb30ec249de68a2588ae286cdda6a454c127601a2a400fe837abdf [INFO] running `"docker" "start" "-a" "3c69d46c20cb30ec249de68a2588ae286cdda6a454c127601a2a400fe837abdf"` [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 0.94s [INFO] running `"docker" "inspect" "3c69d46c20cb30ec249de68a2588ae286cdda6a454c127601a2a400fe837abdf"` [INFO] running `"docker" "rm" "-f" "3c69d46c20cb30ec249de68a2588ae286cdda6a454c127601a2a400fe837abdf"` [INFO] [stdout] 3c69d46c20cb30ec249de68a2588ae286cdda6a454c127601a2a400fe837abdf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] a193eaa36b51a2fef648ec14c0650d919df12e368e23b858321be1d830b97042 [INFO] running `"docker" "start" "-a" "a193eaa36b51a2fef648ec14c0650d919df12e368e23b858321be1d830b97042"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/benchme-88dddb65bdf8b9cc [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 9791435 times in 1.000000296s 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: 0x55fd1ac572d3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55fd1ac52c7b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55fd1ac56016 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55fd1ac55d3e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55fd1ac5671f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55fd1ac562a1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55fd1ac561ee - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x55fd1ac0a13a - benchme::tests::test_runcount::h79837982c362599a [INFO] [stdout] at src/lib.rs:76 [INFO] [stdout] 8: 0x55fd1ac09d69 - benchme::tests::test_runcount::{{closure}}::h46ce2f1e29d42fe5 [INFO] [stdout] at src/lib.rs:70 [INFO] [stdout] 9: 0x55fd1ac0acad - core::ops::function::FnOnce::call_once::he7c4b3a67fdea846 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x55fd1ac173be - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x55fd1ac59439 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x55fd1ac31cb7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 13: 0x55fd1ac0c6d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x55fd1ac10784 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 15: 0x55fd1ac59439 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x55fd1ac10d91 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x55fd1ac4a99e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x55fd1ac58b1f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 19: 0x7fa27c2394a3 - start_thread [INFO] [stdout] 20: 0x7fa27bd64d0e - __clone [INFO] [stdout] 21: 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" "a193eaa36b51a2fef648ec14c0650d919df12e368e23b858321be1d830b97042"` [INFO] running `"docker" "rm" "-f" "a193eaa36b51a2fef648ec14c0650d919df12e368e23b858321be1d830b97042"` [INFO] [stdout] a193eaa36b51a2fef648ec14c0650d919df12e368e23b858321be1d830b97042