[INFO] crate rust-reduce 0.1.0 is already in cache [INFO] extracting crate rust-reduce 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-reduce/0.1.0 [INFO] extracting crate rust-reduce 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-reduce/0.1.0 [INFO] validating manifest of rust-reduce-0.1.0 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 rust-reduce-0.1.0 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 rust-reduce-0.1.0 [INFO] finished frobbing rust-reduce-0.1.0 [INFO] frobbed toml for rust-reduce-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-reduce/0.1.0/Cargo.toml [INFO] started frobbing rust-reduce-0.1.0 [INFO] finished frobbing rust-reduce-0.1.0 [INFO] frobbed toml for rust-reduce-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-reduce/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 rust-reduce-0.1.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-reduce/0.1.0:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 144fe9d2025dc9b5f87702fe56356b13b333b1c5f2a491238c640db4e0de5b2d [INFO] running `"docker" "start" "-a" "144fe9d2025dc9b5f87702fe56356b13b333b1c5f2a491238c640db4e0de5b2d"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling syn-inline-mod v0.2.0 [INFO] [stderr] Compiling rust-reduce v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:25:43 [INFO] [stderr] | [INFO] [stderr] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:26:23 [INFO] [stderr] | [INFO] [stderr] 26 | inner: Option>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:49:53 [INFO] [stderr] | [INFO] [stderr] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:59:53 [INFO] [stderr] | [INFO] [stderr] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:94:53 [INFO] [stderr] | [INFO] [stderr] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:160:56 [INFO] [stderr] | [INFO] [stderr] 160 | Box::new(std::io::stdout()) as Box [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.76s [INFO] running `"docker" "inspect" "144fe9d2025dc9b5f87702fe56356b13b333b1c5f2a491238c640db4e0de5b2d"` [INFO] running `"docker" "rm" "-f" "144fe9d2025dc9b5f87702fe56356b13b333b1c5f2a491238c640db4e0de5b2d"` [INFO] [stdout] 144fe9d2025dc9b5f87702fe56356b13b333b1c5f2a491238c640db4e0de5b2d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-reduce/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 9b5ce1da3484b4b9c07849f53d179d67e4f3e079505f6ad9905bce6a4114736c [INFO] running `"docker" "start" "-a" "9b5ce1da3484b4b9c07849f53d179d67e4f3e079505f6ad9905bce6a4114736c"` [INFO] [stderr] Compiling rust-reduce v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:25:43 [INFO] [stderr] | [INFO] [stderr] 25 | constructor: fn(PathBuf, bool) -> Box, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:26:23 [INFO] [stderr] | [INFO] [stderr] 26 | inner: Option>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:49:53 [INFO] [stderr] | [INFO] [stderr] 49 | fn new(path: PathBuf, need_backup: bool) -> Box where Self: Sized; [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:59:53 [INFO] [stderr] | [INFO] [stderr] 59 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:94:53 [INFO] [stderr] | [INFO] [stderr] 94 | fn new(file: PathBuf, need_backup: bool) -> Box { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn OutputType` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/output.rs:160:56 [INFO] [stderr] | [INFO] [stderr] 160 | Box::new(std::io::stdout()) as Box [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.76s [INFO] running `"docker" "inspect" "9b5ce1da3484b4b9c07849f53d179d67e4f3e079505f6ad9905bce6a4114736c"` [INFO] running `"docker" "rm" "-f" "9b5ce1da3484b4b9c07849f53d179d67e4f3e079505f6ad9905bce6a4114736c"` [INFO] [stdout] 9b5ce1da3484b4b9c07849f53d179d67e4f3e079505f6ad9905bce6a4114736c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-reduce/0.1.0:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] cb0a4a0b88b9bf2e96272de519a9feb3d58456e2e6c71748f73a465ed14a8063 [INFO] running `"docker" "start" "-a" "cb0a4a0b88b9bf2e96272de519a9feb3d58456e2e6c71748f73a465ed14a8063"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_reduce-49fdb3e49a5a9aed [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/suite-32fea76756edaa64 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test futures_core ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- futures_core stdout ---- [INFO] [stdout] thread 'futures_core' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `""`, [INFO] [stdout] right: `"#![cfg_attr(feature = \"cfg-target-has-atomic\", feature(cfg_target_has_atomic))]\n#![cfg_attr(not(feature = \"std\"), no_std)]\n#![warn(\n missing_docs,\n missing_debug_implementations,\n rust_2018_idioms,\n unreachable_pub\n)]\n#![warn(clippy::all)]\npub mod future {\n mod future_obj {\n unsafe impl<\'a, T, F> UnsafeFutureObj<\'a, T> for &\'a mut F\n where\n F: Future + Unpin + \'a,\n {\n fn into_raw(self) -> *mut (Future + \'a) {\n unimplemented!()\n }\n }\n }\n}\n"`', tests/suite/main.rs:36:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x558b35abd0db - 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: 0x558b35abd0db - 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: 0x558b35abd0db - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x558b35abd0db - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x558b35abd0db - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x558b35abcd4a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x558b35abd850 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x558b35abd3d2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x558b35abd31f - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x558b35a6dc97 - suite::run_test::heff96a1736f57b1e [INFO] [stdout] at tests/suite/main.rs:36 [INFO] [stdout] 10: 0x558b35a6e005 - suite::futures_core::hbe1d1987237f0ae3 [INFO] [stdout] at tests/suite/main.rs:44 [INFO] [stdout] 11: 0x558b35a6dfda - suite::futures_core::{{closure}}::he97949402a6220a6 [INFO] [stdout] at tests/suite/main.rs:43 [INFO] [stdout] 12: 0x558b35a6e90e - core::ops::function::FnOnce::call_once::h1dee689874cc0af1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x558b35a7be6f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 14: 0x558b35ac470a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 15: 0x558b35a96468 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 16: 0x558b35a96468 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 17: 0x558b35a96468 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 18: 0x558b35a712e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 19: 0x558b35a753a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 20: 0x558b35a753a5 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 21: 0x558b35a753a5 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 22: 0x558b35ac470a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 23: 0x558b35a75aa2 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 24: 0x558b35a75aa2 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x558b35a75aa2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 26: 0x558b35a75aa2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 27: 0x558b35ab09ef - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x558b35ac3e60 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 29: 0x558b35ac3e60 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 30: 0x558b35ac3e60 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 31: 0x7f0c6150b4a4 - start_thread [INFO] [stdout] 32: 0x7f0c61036d0f - __clone [INFO] [stdout] 33: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] futures_core [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test suite' [INFO] running `"docker" "inspect" "cb0a4a0b88b9bf2e96272de519a9feb3d58456e2e6c71748f73a465ed14a8063"` [INFO] running `"docker" "rm" "-f" "cb0a4a0b88b9bf2e96272de519a9feb3d58456e2e6c71748f73a465ed14a8063"` [INFO] [stdout] cb0a4a0b88b9bf2e96272de519a9feb3d58456e2e6c71748f73a465ed14a8063