[INFO] updating cached repository https://github.com/PinkNoize/framebuffer-manager [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 159a14bb258988bb8ba4611029a0d341e6f5ea4a [INFO] testing PinkNoize/framebuffer-manager against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinkNoize%2Fframebuffer-manager" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PinkNoize/framebuffer-manager on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/PinkNoize/framebuffer-manager [INFO] finished tweaking git repo https://github.com/PinkNoize/framebuffer-manager [INFO] tweaked toml for git repo https://github.com/PinkNoize/framebuffer-manager written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/PinkNoize/framebuffer-manager already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2722580da5f0975d49f754ff7b330c46797d3065c06aef16ef0fd9e6f4896910 [INFO] running `"docker" "start" "-a" "2722580da5f0975d49f754ff7b330c46797d3065c06aef16ef0fd9e6f4896910"` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling memmap v0.5.2 [INFO] [stderr] Compiling framebuffer v0.1.8 [INFO] [stderr] Compiling framebuffer-manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.55s [INFO] running `"docker" "inspect" "2722580da5f0975d49f754ff7b330c46797d3065c06aef16ef0fd9e6f4896910"` [INFO] running `"docker" "rm" "-f" "2722580da5f0975d49f754ff7b330c46797d3065c06aef16ef0fd9e6f4896910"` [INFO] [stdout] 2722580da5f0975d49f754ff7b330c46797d3065c06aef16ef0fd9e6f4896910 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6a83417f6bfd0cd2f4836c05cea66facf3e1271e7da4be6d2cf5aeadc8eadbb0 [INFO] running `"docker" "start" "-a" "6a83417f6bfd0cd2f4836c05cea66facf3e1271e7da4be6d2cf5aeadc8eadbb0"` [INFO] [stderr] Compiling framebuffer-manager v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `win` [INFO] [stderr] --> src/lib.rs:261:7 [INFO] [stderr] | [INFO] [stderr] 261 | let mut win = &mut fm.windows[0]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it 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] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `"docker" "inspect" "6a83417f6bfd0cd2f4836c05cea66facf3e1271e7da4be6d2cf5aeadc8eadbb0"` [INFO] running `"docker" "rm" "-f" "6a83417f6bfd0cd2f4836c05cea66facf3e1271e7da4be6d2cf5aeadc8eadbb0"` [INFO] [stdout] 6a83417f6bfd0cd2f4836c05cea66facf3e1271e7da4be6d2cf5aeadc8eadbb0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a5fcd2b98a68352315a65d90d2f6e4a4d8f9613f2e90e6c801cf0ff63db9d3c7 [INFO] running `"docker" "start" "-a" "a5fcd2b98a68352315a65d90d2f6e4a4d8f9613f2e90e6c801cf0ff63db9d3c7"` [INFO] [stderr] warning: unused variable: `win` [INFO] [stderr] --> src/lib.rs:261:7 [INFO] [stderr] | [INFO] [stderr] 261 | let mut win = &mut fm.windows[0]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it 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] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/framebuffer_manager-1fd4a21b38538518 [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/lib.rs:168:27 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5587d605d734 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5587d605d734 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5587d605d734 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5587d605d734 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5587d608635c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5587d600b295 - std::io::Write::write_fmt::h5d052af13df32ea6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5587d6057d51 - std::io::impls::>::write_fmt::h8fe8a9bdc421b4b6 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x5587d6060005 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x5587d6060005 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x5587d6060005 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5587d605fceb - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5587d6060662 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x5587d606024b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x5587d6084d81 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x5587d6084ba3 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x5587d600740c - core::result::Result::unwrap::h7d006bdaf379e1cb [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x5587d6002cfc - framebuffer_manager::FBmanager::new::hf2cdcb9851015310 [INFO] [stdout] at src/lib.rs:168 [INFO] [stdout] 17: 0x5587d6006576 - framebuffer_manager::tests::single_square::hfc02f99ae0de6556 [INFO] [stdout] at src/lib.rs:260 [INFO] [stdout] 18: 0x5587d600644a - framebuffer_manager::tests::single_square::{{closure}}::h8c8463d3558d51a1 [INFO] [stdout] at src/lib.rs:252 [INFO] [stdout] 19: 0x5587d600474e - core::ops::function::FnOnce::call_once::h19e034a2b64cc671 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x5587d601718f - as core::ops::function::FnOnce>::call_once::h1f6ee40732e80908 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 21: 0x5587d603278e - as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x5587d603278e - std::panicking::try::do_call::hee6f5a4bef67c840 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 23: 0x5587d603278e - std::panicking::try::h3384d3b948e84dbc [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x5587d603278e - std::panic::catch_unwind::h5ae91218e578066d [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x5587d603278e - test::run_test_in_process::he37a49587889b910 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x5587d603278e - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x5587d600a746 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x5587d600fad5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x5587d600fad5 - as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x5587d600fad5 - std::panicking::try::do_call::hb29b86f86d4d722e [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 31: 0x5587d600fad5 - std::panicking::try::h4bfefb3eddc0d900 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x5587d600fad5 - std::panic::catch_unwind::h774c24d4b38d5828 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5587d600fad5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x5587d600fad5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x5587d6053dbf - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x5587d6066e53 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 37: 0x5587d6066e53 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f1f436b16db - start_thread [INFO] [stdout] 39: 0x7f1f431c288f - __clone [INFO] [stdout] 40: 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" "a5fcd2b98a68352315a65d90d2f6e4a4d8f9613f2e90e6c801cf0ff63db9d3c7"` [INFO] running `"docker" "rm" "-f" "a5fcd2b98a68352315a65d90d2f6e4a4d8f9613f2e90e6c801cf0ff63db9d3c7"` [INFO] [stdout] a5fcd2b98a68352315a65d90d2f6e4a4d8f9613f2e90e6c801cf0ff63db9d3c7