[INFO] fetching crate dice 0.1.0... [INFO] testing dice-0.1.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate dice 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate dice 0.1.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate dice 0.1.0 [INFO] finished tweaking crates.io crate dice 0.1.0 [INFO] tweaked toml for crates.io crate dice 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5655469faa8be1c5b6e1c6111cc9d12266c59ba601d5369e819044f1d8f7168c [INFO] running `Command { std: "docker" "start" "-a" "5655469faa8be1c5b6e1c6111cc9d12266c59ba601d5369e819044f1d8f7168c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5655469faa8be1c5b6e1c6111cc9d12266c59ba601d5369e819044f1d8f7168c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5655469faa8be1c5b6e1c6111cc9d12266c59ba601d5369e819044f1d8f7168c", kill_on_drop: false }` [INFO] [stdout] 5655469faa8be1c5b6e1c6111cc9d12266c59ba601d5369e819044f1d8f7168c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79cfa12e1062be1f91758abc331c56d2ab710e7cab8e3246fa7f2047b0aa091e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "79cfa12e1062be1f91758abc331c56d2ab710e7cab8e3246fa7f2047b0aa091e", kill_on_drop: false }` [INFO] [stderr] Compiling dice v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "79cfa12e1062be1f91758abc331c56d2ab710e7cab8e3246fa7f2047b0aa091e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79cfa12e1062be1f91758abc331c56d2ab710e7cab8e3246fa7f2047b0aa091e", kill_on_drop: false }` [INFO] [stdout] 79cfa12e1062be1f91758abc331c56d2ab710e7cab8e3246fa7f2047b0aa091e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b6009c8b64c43c308c17d672ed6fd8736458b5d80ffca43c8e545910eb34d5c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8b6009c8b64c43c308c17d672ed6fd8736458b5d80ffca43c8e545910eb34d5c", kill_on_drop: false }` [INFO] [stderr] Compiling dice v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "8b6009c8b64c43c308c17d672ed6fd8736458b5d80ffca43c8e545910eb34d5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b6009c8b64c43c308c17d672ed6fd8736458b5d80ffca43c8e545910eb34d5c", kill_on_drop: false }` [INFO] [stdout] 8b6009c8b64c43c308c17d672ed6fd8736458b5d80ffca43c8e545910eb34d5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6000a69f70f62e675f6255824918ca8ad2f575ccbcbe0557f98fb1e9fd2ddfd8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6000a69f70f62e675f6255824918ca8ad2f575ccbcbe0557f98fb1e9fd2ddfd8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 2 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dice-622a9f863fa25d79 [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::com ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::com stdout ---- [INFO] [stdout] Exact: Table { values: [1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 228, 244, 258, 270, 280, 288, 294, 298, 300, 300, 298, 294, 288, 280, 270, 258, 244, 228, 210, 190, 171, 153, 136, 120, 105, 91, 78, 66, 55, 45, 36, 28, 21, 15, 10, 6, 3, 1], min: 3, norm: 8000 } [INFO] [stdout] At least: Table { values: [8000, 7999, 7996, 7990, 7980, 7965, 7944, 7916, 7880, 7835, 7780, 7714, 7636, 7545, 7440, 7320, 7184, 7031, 6860, 6670, 6460, 6232, 5988, 5730, 5460, 5180, 4892, 4598, 4300, 4000, 3700, 3402, 3108, 2820, 2540, 2270, 2012, 1768, 1540, 1330, 1140, 969, 816, 680, 560, 455, 364, 286, 220, 165, 120, 84, 56, 35, 20, 10, 4, 1], min: 3, norm: 8000 } [INFO] [stdout] thread 'tests::com' panicked at 'attempt to subtract with overflow', src/table.rs:27:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f088507430 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stdout] 1: 0x55f088507430 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f088507430 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55f088507430 - ::fmt::he009dcaaa75eed60 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55f08852af1c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55f0884b11f6 - std::io::Write::write_fmt::h3a40d9c04f88bb58 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stdout] 6: 0x55f08850172d - std::io::impls::>::write_fmt::h1b3d263673641f53 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/impls.rs:179:9 [INFO] [stdout] 7: 0x55f088509b05 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 8: 0x55f088509b05 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 9: 0x55f088509b05 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stdout] 10: 0x55f088509752 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:224:9 [INFO] [stdout] 11: 0x55f08850a2a1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stdout] 12: 0x55f088509db7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:497:13 [INFO] [stdout] 13: 0x55f0885078ec - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 14: 0x55f088509d49 - rust_begin_unwind [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stdout] 15: 0x55f088528e81 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stdout] 16: 0x55f088528dcd - core::panicking::panic::h339b30ca166fd852 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:50:5 [INFO] [stdout] 17: 0x55f0884af7ad - dice::table::Table::permutations_of::h2ce579988f7a2820 [INFO] [stdout] at /opt/rustwide/workdir/src/table.rs:27:21 [INFO] [stdout] 18: 0x55f0884af719 - dice::table::Table::chance_of::ha9a9d1825fe79258 [INFO] [stdout] at /opt/rustwide/workdir/src/table.rs:22:9 [INFO] [stdout] 19: 0x55f0884a9a3e - dice::tests::com::h99eef89af9e31022 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:146:35 [INFO] [stdout] 20: 0x55f0884a948a - dice::tests::com::{{closure}}::h5f5aec6d4af42533 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:129:5 [INFO] [stdout] 21: 0x55f0884af09e - core::ops::function::FnOnce::call_once::h1967b1474a719db5 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x55f0884d8d43 - core::ops::function::FnOnce::call_once::hdbd2235b6243db3d [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 23: 0x55f0884d8d43 - test::__rust_begin_short_backtrace::hb1dea1c208110812 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:517:5 [INFO] [stdout] 24: 0x55f0884d71ea - as core::ops::function::FnOnce>::call_once::h5d11a40efef721f2 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9 [INFO] [stdout] 25: 0x55f0884d71ea - as core::ops::function::FnOnce<()>>::call_once::h23961df98af0bc5a [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:322:9 [INFO] [stdout] 26: 0x55f0884d71ea - std::panicking::try::do_call::h6390646e3de3fb9e [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 27: 0x55f0884d71ea - std::panicking::try::hc531439ab6159192 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 28: 0x55f0884d71ea - std::panic::catch_unwind::h859d8bdaf9b4855c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 29: 0x55f0884d71ea - test::run_test_in_process::hae60aa74417e3abc [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:544:18 [INFO] [stdout] 30: 0x55f0884d71ea - test::run_test::run_test_inner::{{closure}}::hf48c86652c4a151d [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:450:39 [INFO] [stdout] 31: 0x55f0884b0576 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb82b392232b8bd1f [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 32: 0x55f0884b5573 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h79ca9e9abe157956 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 33: 0x55f0884b5573 - as core::ops::function::FnOnce<()>>::call_once::ha12f1f228780a4f7 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:322:9 [INFO] [stdout] 34: 0x55f0884b5573 - std::panicking::try::do_call::h722bb7416d021cdc [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 35: 0x55f0884b5573 - std::panicking::try::h78e5abca71ac7cac [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 36: 0x55f0884b5573 - std::panic::catch_unwind::h95162588bd0fa090 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 37: 0x55f0884b5573 - std::thread::Builder::spawn_unchecked::{{closure}}::h64da5c4b9acc58dc [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 38: 0x55f0884b5573 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7a8c588ad0b69edb [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 39: 0x55f0885106ca - as core::ops::function::FnOnce>::call_once::h09ff301006f1aeca [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9 [INFO] [stdout] 40: 0x55f0885106ca - as core::ops::function::FnOnce>::call_once::he79488c8f00b5f31 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9 [INFO] [stdout] 41: 0x55f0885106ca - std::sys::unix::thread::Thread::new::thread_start::h587efff279c68ba7 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 42: 0x7f8de0b87609 - start_thread [INFO] [stdout] 43: 0x7f8de0959293 - clone [INFO] [stdout] 44: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::com [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "6000a69f70f62e675f6255824918ca8ad2f575ccbcbe0557f98fb1e9fd2ddfd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6000a69f70f62e675f6255824918ca8ad2f575ccbcbe0557f98fb1e9fd2ddfd8", kill_on_drop: false }` [INFO] [stdout] 6000a69f70f62e675f6255824918ca8ad2f575ccbcbe0557f98fb1e9fd2ddfd8