[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 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 66c77664aa7ffd4b3c76c85dd81796b84e3c03cbb42272abcaa092a4c050ae7c [INFO] running `"docker" "start" "-a" "66c77664aa7ffd4b3c76c85dd81796b84e3c03cbb42272abcaa092a4c050ae7c"` [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 3.56s [INFO] running `"docker" "inspect" "66c77664aa7ffd4b3c76c85dd81796b84e3c03cbb42272abcaa092a4c050ae7c"` [INFO] running `"docker" "rm" "-f" "66c77664aa7ffd4b3c76c85dd81796b84e3c03cbb42272abcaa092a4c050ae7c"` [INFO] [stdout] 66c77664aa7ffd4b3c76c85dd81796b84e3c03cbb42272abcaa092a4c050ae7c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 01b2ba59369e559fcce9f1d9d0bd05ec05ad37cc24419f3d537b04b8fedd5ffa [INFO] running `"docker" "start" "-a" "01b2ba59369e559fcce9f1d9d0bd05ec05ad37cc24419f3d537b04b8fedd5ffa"` [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 1.38s [INFO] running `"docker" "inspect" "01b2ba59369e559fcce9f1d9d0bd05ec05ad37cc24419f3d537b04b8fedd5ffa"` [INFO] running `"docker" "rm" "-f" "01b2ba59369e559fcce9f1d9d0bd05ec05ad37cc24419f3d537b04b8fedd5ffa"` [INFO] [stdout] 01b2ba59369e559fcce9f1d9d0bd05ec05ad37cc24419f3d537b04b8fedd5ffa [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] cc72d73734b8c8565ae7e5b3331df62cc715319f7e19e9229305eb73a87ad9c2 [INFO] running `"docker" "start" "-a" "cc72d73734b8c8565ae7e5b3331df62cc715319f7e19e9229305eb73a87ad9c2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/framebuffer_manager-7a66911a5e68af7c [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: 0x5653611fe3d3 - 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: 0x5653611f9d0b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5653611fd116 - 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: 0x5653611fce3e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5653611fd81f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5653611fd3a1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x5653611fd285 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x56536120f55c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x5653611ab352 - core::result::unwrap_failed::hf7efbf015ed953a9 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x5653611aba3a - core::result::Result::unwrap::h437ba8297f71719a [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stdout] 10: 0x5653611a57ee - framebuffer_manager::FBmanager::new::hec171f3b4cdff8eb [INFO] [stdout] at src/lib.rs:168 [INFO] [stdout] 11: 0x5653611a9e05 - framebuffer_manager::tests::single_square::hfc4d980c0da6cdbe [INFO] [stdout] at src/lib.rs:260 [INFO] [stdout] 12: 0x5653611a9cd9 - framebuffer_manager::tests::single_square::{{closure}}::h5729618ac5c08a6b [INFO] [stdout] at src/lib.rs:252 [INFO] [stdout] 13: 0x5653611a735d - core::ops::function::FnOnce::call_once::h6b0a79048537bbb1 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 14: 0x5653611b83be - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 15: 0x565361200549 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x5653611d2cb7 - 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] 17: 0x5653611ad6d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 18: 0x5653611b1784 - 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] 19: 0x565361200549 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 20: 0x5653611b1d91 - 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] 21: 0x5653611f197e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 22: 0x5653611ffc2f - 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] 23: 0x7faddaa064a3 - start_thread [INFO] [stdout] 24: 0x7fadda531d0e - __clone [INFO] [stdout] 25: 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" "cc72d73734b8c8565ae7e5b3331df62cc715319f7e19e9229305eb73a87ad9c2"` [INFO] running `"docker" "rm" "-f" "cc72d73734b8c8565ae7e5b3331df62cc715319f7e19e9229305eb73a87ad9c2"` [INFO] [stdout] cc72d73734b8c8565ae7e5b3331df62cc715319f7e19e9229305eb73a87ad9c2