[INFO] updating cached repository https://github.com/ConnorBP/benchme [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6d806e86d22822348ccde5a65205c2519f19c456 [INFO] testing ConnorBP/benchme against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fbenchme" "work/builds/worker-10/source"` [INFO] [stderr] Cloning into 'work/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ConnorBP/benchme on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ConnorBP/benchme [INFO] finished tweaking git repo https://github.com/ConnorBP/benchme [INFO] tweaked toml for git repo https://github.com/ConnorBP/benchme written to work/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/ConnorBP/benchme already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] d768853e82da870c2e7e528cc72188803709cac478549a922a383f757d9673e6 [INFO] running `"docker" "start" "-a" "d768853e82da870c2e7e528cc72188803709cac478549a922a383f757d9673e6"` [INFO] [stderr] Compiling benchme v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "d768853e82da870c2e7e528cc72188803709cac478549a922a383f757d9673e6"` [INFO] running `"docker" "rm" "-f" "d768853e82da870c2e7e528cc72188803709cac478549a922a383f757d9673e6"` [INFO] [stdout] d768853e82da870c2e7e528cc72188803709cac478549a922a383f757d9673e6 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 0b2c285411b136d5ce1c1f33ee08f8fc7ac971f478c60b7abb24154ee2195eec [INFO] running `"docker" "start" "-a" "0b2c285411b136d5ce1c1f33ee08f8fc7ac971f478c60b7abb24154ee2195eec"` [INFO] [stderr] Compiling benchme v0.2.0 (/opt/rustwide/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: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:20:21 [INFO] [stderr] | [INFO] [stderr] 20 | $($lines;)* [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] ... [INFO] [stderr] 61 | / benchmarknamed! { [INFO] [stderr] 62 | | #[IhaveAname] [INFO] [stderr] 63 | | for x in 0..10 { [INFO] [stderr] 64 | | let y = x * 2; [INFO] [stderr] 65 | | }; [INFO] [stderr] 66 | | } [INFO] [stderr] | |_________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | $($lines;)* [INFO] [stderr] | ^ help: remove this semicolon [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] 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 0.46s [INFO] running `"docker" "inspect" "0b2c285411b136d5ce1c1f33ee08f8fc7ac971f478c60b7abb24154ee2195eec"` [INFO] running `"docker" "rm" "-f" "0b2c285411b136d5ce1c1f33ee08f8fc7ac971f478c60b7abb24154ee2195eec"` [INFO] [stdout] 0b2c285411b136d5ce1c1f33ee08f8fc7ac971f478c60b7abb24154ee2195eec [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 7399b96cb818c5bda379b8670c5c8f6252920454ca53e58a72aaa40481b6259d [INFO] running `"docker" "start" "-a" "7399b96cb818c5bda379b8670c5c8f6252920454ca53e58a72aaa40481b6259d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/benchme-87baa19169b30fcb [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 13692304 times in 1.000032208s 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: 0x56264ba97024 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x56264ba97024 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56264ba97024 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stdout] 3: 0x56264ba97024 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stdout] 4: 0x56264bab1e4c - core::fmt::write::h7fd0d904495c035f [INFO] [stdout] at src/libcore/fmt/mod.rs:1030 [INFO] [stdout] 5: 0x56264ba524d5 - std::io::Write::write_fmt::h424452e6ba861394 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/io/mod.rs:1412 [INFO] [stdout] 6: 0x56264ba92bb1 - std::io::impls::>::write_fmt::h814a51d8ae1dee4a [INFO] [stdout] at src/libstd/io/impls.rs:141 [INFO] [stdout] 7: 0x56264ba994b5 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stdout] 8: 0x56264ba994b5 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x56264ba994b5 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stdout] at src/libstd/panicking.rs:196 [INFO] [stdout] 10: 0x56264ba9913c - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stdout] at src/libstd/panicking.rs:207 [INFO] [stdout] 11: 0x56264ba99bb5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stdout] at src/libstd/panicking.rs:473 [INFO] [stdout] 12: 0x56264ba99752 - std::panicking::continue_panic_fmt::hd961751be84a6f83 [INFO] [stdout] at src/libstd/panicking.rs:380 [INFO] [stdout] 13: 0x56264ba996ac - std::panicking::begin_panic_fmt::h23ef54e17e5a13fa [INFO] [stdout] at src/libstd/panicking.rs:335 [INFO] [stdout] 14: 0x56264ba5014b - benchme::tests::test_runcount::h9881b4f4b2833be2 [INFO] [stdout] at src/lib.rs:76 [INFO] [stdout] 15: 0x56264ba4fd6a - benchme::tests::test_runcount::{{closure}}::h43d3dc553193aaf8 [INFO] [stdout] at src/lib.rs:70 [INFO] [stdout] 16: 0x56264ba513ae - core::ops::function::FnOnce::call_once::hbfb14b62730ecf2e [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stdout] 17: 0x56264ba5c3cf - as core::ops::function::FnOnce>::call_once::h8b428e8a43aaf8e9 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 18: 0x56264ba9c2ba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 19: 0x56264ba76bde - std::panicking::try::heccce20d527a3513 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stdout] 20: 0x56264ba76bde - std::panic::catch_unwind::h7fd8f5d3271f1692 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x56264ba76bde - test::run_test::run_test_inner::{{closure}}::h88b46e5c359957e5 [INFO] [stdout] at src/libtest/lib.rs:1413 [INFO] [stdout] 22: 0x56264ba51c45 - std::sys_common::backtrace::__rust_begin_short_backtrace::h00847676c8212941 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126 [INFO] [stdout] 23: 0x56264ba55dd5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5dd37acd2295488e [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470 [INFO] [stdout] 24: 0x56264ba55dd5 - as core::ops::function::FnOnce<()>>::call_once::h9d32b103da0b97c6 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x56264ba55dd5 - std::panicking::try::do_call::h2bd819a3056c57cd [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292 [INFO] [stdout] 26: 0x56264ba9c2ba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 27: 0x56264ba56382 - std::panicking::try::h243a25457a848a1a [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stdout] 28: 0x56264ba56382 - std::panic::catch_unwind::h74b81f55e55e757c [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x56264ba56382 - std::thread::Builder::spawn_unchecked::{{closure}}::h4c2d214a2cffa6cf [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469 [INFO] [stdout] 30: 0x56264ba56382 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8a8a187b3fb58e53 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stdout] 31: 0x56264ba8f60f - as core::ops::function::FnOnce>::call_once::h3cdef3b7ea22cd61 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 32: 0x56264ba9ba10 - as core::ops::function::FnOnce>::call_once::hc8f25720bf0d5424 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 33: 0x56264ba9ba10 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 34: 0x56264ba9ba10 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 35: 0x7f6ee9bf26db - start_thread [INFO] [stdout] 36: 0x7f6ee970388f - __clone [INFO] [stdout] 37: 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" "7399b96cb818c5bda379b8670c5c8f6252920454ca53e58a72aaa40481b6259d"` [INFO] running `"docker" "rm" "-f" "7399b96cb818c5bda379b8670c5c8f6252920454ca53e58a72aaa40481b6259d"` [INFO] [stdout] 7399b96cb818c5bda379b8670c5c8f6252920454ca53e58a72aaa40481b6259d