[INFO] cloning repository PinkNoize/framebuffer-manager [INFO] running `"git" "clone" "--bare" "git://github.com/PinkNoize/framebuffer-manager.git" "work/cache/sources/gh/PinkNoize/framebuffer-manager"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/PinkNoize/framebuffer-manager'... [INFO] running `"git" "clone" "work/cache/sources/gh/PinkNoize/framebuffer-manager" "work/ex/beta-1.37-6/sources/1.36.0/gh/PinkNoize/framebuffer-manager"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PinkNoize/framebuffer-manager'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/PinkNoize/framebuffer-manager" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PinkNoize/framebuffer-manager"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PinkNoize/framebuffer-manager'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 159a14bb258988bb8ba4611029a0d341e6f5ea4a [INFO] sha for GitHub repo PinkNoize/framebuffer-manager: 159a14bb258988bb8ba4611029a0d341e6f5ea4a [INFO] validating manifest of PinkNoize/framebuffer-manager 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 PinkNoize/framebuffer-manager 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 PinkNoize/framebuffer-manager [INFO] finished frobbing PinkNoize/framebuffer-manager [INFO] frobbed toml for PinkNoize/framebuffer-manager written to work/ex/beta-1.37-6/sources/1.36.0/gh/PinkNoize/framebuffer-manager/Cargo.toml [INFO] started frobbing PinkNoize/framebuffer-manager [INFO] finished frobbing PinkNoize/framebuffer-manager [INFO] frobbed toml for PinkNoize/framebuffer-manager written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PinkNoize/framebuffer-manager/Cargo.toml [INFO] crate PinkNoize/framebuffer-manager 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] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing PinkNoize/framebuffer-manager against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PinkNoize/framebuffer-manager:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] abd995b09ecb960d7ef9d7d89bbfdfc2c4c94896b9c7022833aa565e40e1245a [INFO] running `"docker" "start" "-a" "abd995b09ecb960d7ef9d7d89bbfdfc2c4c94896b9c7022833aa565e40e1245a"` [INFO] [stderr] Compiling memmap v0.5.2 [INFO] [stderr] Compiling framebuffer v0.1.8 [INFO] [stderr] Compiling framebuffer-manager v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.43s [INFO] running `"docker" "inspect" "abd995b09ecb960d7ef9d7d89bbfdfc2c4c94896b9c7022833aa565e40e1245a"` [INFO] running `"docker" "rm" "-f" "abd995b09ecb960d7ef9d7d89bbfdfc2c4c94896b9c7022833aa565e40e1245a"` [INFO] [stdout] abd995b09ecb960d7ef9d7d89bbfdfc2c4c94896b9c7022833aa565e40e1245a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PinkNoize/framebuffer-manager:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] e3f070949a55a40867375537236c337b86dce76a19912deab98b834b11f4d2d3 [INFO] running `"docker" "start" "-a" "e3f070949a55a40867375537236c337b86dce76a19912deab98b834b11f4d2d3"` [INFO] [stderr] Compiling framebuffer-manager v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `win` [INFO] [stderr] --> src/lib.rs:261:11 [INFO] [stderr] | [INFO] [stderr] 261 | let mut win = &mut fm.windows[0]; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_win` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:261:7 [INFO] [stderr] | [INFO] [stderr] 261 | let mut win = &mut fm.windows[0]; [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 1.64s [INFO] running `"docker" "inspect" "e3f070949a55a40867375537236c337b86dce76a19912deab98b834b11f4d2d3"` [INFO] running `"docker" "rm" "-f" "e3f070949a55a40867375537236c337b86dce76a19912deab98b834b11f4d2d3"` [INFO] [stdout] e3f070949a55a40867375537236c337b86dce76a19912deab98b834b11f4d2d3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PinkNoize/framebuffer-manager:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 9199037ec4758bfb04c0709812b84644d2c268a777da69b54c860c6c2c3de273 [INFO] running `"docker" "start" "-a" "9199037ec4758bfb04c0709812b84644d2c268a777da69b54c860c6c2c3de273"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/framebuffer_manager-df756524094262cf [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::single_square ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::single_square stdout ---- [INFO] [stdout] thread 'tests::single_square' panicked at 'called `Result::unwrap()` on an `Err` value: FramebufferError { kind: IoError, details: "entity not found" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555e09b162ab - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x555e09b162ab - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x555e09b162ab - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x555e09b162ab - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x555e09b162ab - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x555e09b15f1a - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x555e09b16a20 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x555e09b165a2 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x555e09b16486 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x555e09b2c48d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x555e09ac6063 - core::result::unwrap_failed::h06efaa10c80d1a64 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x555e09ac6758 - core::result::Result::unwrap::h7cfb2f8ee363dc14 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x555e09abffcf - framebuffer_manager::FBmanager::new::ha936133fce812aa1 [INFO] [stdout] at src/lib.rs:168 [INFO] [stdout] 13: 0x555e09ac4b16 - framebuffer_manager::tests::single_square::hbeb5851d620aea81 [INFO] [stdout] at src/lib.rs:260 [INFO] [stdout] 14: 0x555e09ac49ea - framebuffer_manager::tests::single_square::{{closure}}::h3805c53299eedda2 [INFO] [stdout] at src/lib.rs:252 [INFO] [stdout] 15: 0x555e09ac1afe - core::ops::function::FnOnce::call_once::hb8749289ddfe7bc1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x555e09ad2cbf - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x555e09b18faa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x555e09aed2b8 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x555e09aed2b8 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x555e09aed2b8 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x555e09ac8135 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x555e09acc2b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x555e09acc2b5 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x555e09acc2b5 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x555e09b18faa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x555e09acc8f2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x555e09acc8f2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x555e09acc8f2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x555e09acc8f2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x555e09b0bedf - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x555e09b18700 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x555e09b18700 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x555e09b18700 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f2855a464a4 - start_thread [INFO] [stdout] 35: 0x7f2855571d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::single_square [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 '--lib' [INFO] running `"docker" "inspect" "9199037ec4758bfb04c0709812b84644d2c268a777da69b54c860c6c2c3de273"` [INFO] running `"docker" "rm" "-f" "9199037ec4758bfb04c0709812b84644d2c268a777da69b54c860c6c2c3de273"` [INFO] [stdout] 9199037ec4758bfb04c0709812b84644d2c268a777da69b54c860c6c2c3de273